./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_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_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/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_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/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_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/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 ffbf3b1479afd9aaa2ec45fcd2782998a39316f97238379433376f7ba5094eb5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:39:19,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:39:19,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:39:19,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:39:19,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:39:19,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:39:19,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:39:19,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:39:19,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:39:19,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:39:19,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:39:19,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:39:19,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:39:19,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:39:19,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:39:19,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:39:19,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:39:19,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:39:19,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:39:19,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:39:19,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:39:19,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:39:19,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:39:19,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:39:19,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:39:19,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:39:19,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:39:19,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:39:19,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:39:19,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:39:19,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:39:19,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:39:19,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:39:19,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:39:19,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:39:19,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:39:19,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:39:19,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:39:19,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:39:19,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:39:19,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:39:19,906 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 01:39:19,939 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:39:19,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:39:19,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:39:19,941 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:39:19,941 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:39:19,941 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:39:19,942 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:39:19,942 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:39:19,942 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:39:19,943 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:39:19,943 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:39:19,943 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:39:19,944 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:39:19,944 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:39:19,945 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:39:19,945 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:39:19,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:39:19,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:39:19,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:39:19,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:39:19,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:39:19,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:39:19,948 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:39:19,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:39:19,949 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:39:19,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:39:19,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:39:19,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:39:19,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:39:19,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:39:19,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:39:19,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:39:19,951 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:39:19,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:39:19,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:39:19,952 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:39:19,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:39:19,953 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_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffbf3b1479afd9aaa2ec45fcd2782998a39316f97238379433376f7ba5094eb5 [2021-11-13 01:39:20,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:39:20,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:39:20,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:39:20,319 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:39:20,321 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:39:20,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2021-11-13 01:39:20,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/data/9f8e13d15/6f853daf477241789ee6372880870eed/FLAGd7f3b30bf [2021-11-13 01:39:21,356 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:39:21,357 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2021-11-13 01:39:21,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/data/9f8e13d15/6f853daf477241789ee6372880870eed/FLAGd7f3b30bf [2021-11-13 01:39:21,811 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/data/9f8e13d15/6f853daf477241789ee6372880870eed [2021-11-13 01:39:21,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:39:21,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:39:21,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:39:21,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:39:21,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:39:21,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:39:21" (1/1) ... [2021-11-13 01:39:21,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50a86198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:21, skipping insertion in model container [2021-11-13 01:39:21,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:39:21" (1/1) ... [2021-11-13 01:39:21,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:39:21,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:39:22,345 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_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4501,4514] [2021-11-13 01:39:22,353 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_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4561,4574] [2021-11-13 01:39:22,381 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-13 01:39:22,387 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-13 01:39:23,390 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-13 01:39:23,505 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:23,506 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:23,507 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:23,508 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:23,520 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:23,542 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:23,543 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:23,551 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:23,552 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:23,555 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:23,557 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:23,558 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:23,558 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:24,004 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-13 01:39:24,009 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-13 01:39:24,012 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-13 01:39:24,015 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-13 01:39:24,023 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-13 01:39:24,024 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-13 01:39:24,025 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-13 01:39:24,029 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-13 01:39:24,030 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-13 01:39:24,031 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-13 01:39:24,213 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:24,246 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:24,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:39:24,405 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-13 01:39:24,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e147373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:24, skipping insertion in model container [2021-11-13 01:39:24,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:39:24,406 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 01:39:24,409 INFO L158 Benchmark]: Toolchain (without parser) took 2591.32ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 64.5MB in the beginning and 119.5MB in the end (delta: -55.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2021-11-13 01:39:24,410 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:39:24,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2588.03ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 64.3MB in the beginning and 119.5MB in the end (delta: -55.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2021-11-13 01:39:24,413 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2588.03ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 64.3MB in the beginning and 119.5MB in the end (delta: -55.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2886]: 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_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/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_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/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_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/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 ffbf3b1479afd9aaa2ec45fcd2782998a39316f97238379433376f7ba5094eb5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:39:27,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:39:27,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:39:27,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:39:27,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:39:27,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:39:27,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:39:27,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:39:27,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:39:27,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:39:27,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:39:27,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:39:27,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:39:27,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:39:27,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:39:27,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:39:27,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:39:27,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:39:27,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:39:27,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:39:27,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:39:27,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:39:27,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:39:27,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:39:27,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:39:27,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:39:27,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:39:27,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:39:27,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:39:27,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:39:27,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:39:27,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:39:27,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:39:27,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:39:27,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:39:27,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:39:27,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:39:27,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:39:27,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:39:27,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:39:27,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:39:27,453 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 01:39:27,512 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:39:27,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:39:27,515 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:39:27,515 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:39:27,515 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:39:27,516 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:39:27,516 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:39:27,516 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:39:27,516 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:39:27,517 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:39:27,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:39:27,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:39:27,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:39:27,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:39:27,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:39:27,521 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:39:27,521 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 01:39:27,522 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 01:39:27,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:39:27,522 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:39:27,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:39:27,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:39:27,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 01:39:27,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:39:27,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:39:27,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:39:27,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:39:27,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:39:27,525 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 01:39:27,525 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 01:39:27,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:39:27,526 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:39:27,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:39:27,527 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_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffbf3b1479afd9aaa2ec45fcd2782998a39316f97238379433376f7ba5094eb5 [2021-11-13 01:39:28,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:39:28,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:39:28,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:39:28,065 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:39:28,066 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:39:28,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2021-11-13 01:39:28,171 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/data/06859b18e/616d5cc89e81422f8eb4642d792c8679/FLAG824a0a26d [2021-11-13 01:39:29,287 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:39:29,289 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2021-11-13 01:39:29,350 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/data/06859b18e/616d5cc89e81422f8eb4642d792c8679/FLAG824a0a26d [2021-11-13 01:39:29,622 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/data/06859b18e/616d5cc89e81422f8eb4642d792c8679 [2021-11-13 01:39:29,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:39:29,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:39:29,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:39:29,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:39:29,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:39:29,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:39:29" (1/1) ... [2021-11-13 01:39:29,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39fd4101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:29, skipping insertion in model container [2021-11-13 01:39:29,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:39:29" (1/1) ... [2021-11-13 01:39:29,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:39:29,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:39:30,218 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_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4501,4514] [2021-11-13 01:39:30,229 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_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4561,4574] [2021-11-13 01:39:30,269 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-13 01:39:30,275 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-13 01:39:31,414 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-13 01:39:31,510 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:31,511 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:31,511 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:31,512 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:31,514 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:31,533 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:31,534 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:31,536 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:31,537 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:31,540 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:31,542 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:31,543 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:31,544 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,098 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-13 01:39:32,100 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-13 01:39:32,102 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-13 01:39:32,103 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-13 01:39:32,105 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-13 01:39:32,106 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-13 01:39:32,107 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-13 01:39:32,108 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-13 01:39:32,109 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-13 01:39:32,110 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-13 01:39:32,304 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,316 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:39:32,432 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 01:39:32,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:39:32,482 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_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4501,4514] [2021-11-13 01:39:32,482 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_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4561,4574] [2021-11-13 01:39:32,484 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-13 01:39:32,485 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-13 01:39:32,524 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-13 01:39:32,545 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,546 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,546 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,547 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,548 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,558 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,559 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,565 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,565 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,567 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,571 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,572 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,572 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,661 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-13 01:39:32,664 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-13 01:39:32,665 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-13 01:39:32,672 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-13 01:39:32,675 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-13 01:39:32,676 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-13 01:39:32,678 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-13 01:39:32,681 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-13 01:39:32,682 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-13 01:39:32,683 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-13 01:39:32,716 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,728 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:39:32,822 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:39:32,853 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_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4501,4514] [2021-11-13 01:39:32,854 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_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4561,4574] [2021-11-13 01:39:32,856 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-13 01:39:32,864 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-13 01:39:32,910 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-13 01:39:32,959 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,960 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,960 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,961 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,961 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,972 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,973 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,974 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,975 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,983 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,983 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,984 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:32,984 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:33,036 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-13 01:39:33,037 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-13 01:39:33,038 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-13 01:39:33,039 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-13 01:39:33,041 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-13 01:39:33,041 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-13 01:39:33,043 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-13 01:39:33,043 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-13 01:39:33,044 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-13 01:39:33,045 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-13 01:39:33,079 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:33,085 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:39:33,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:39:33,491 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:39:33,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:33 WrapperNode [2021-11-13 01:39:33,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:39:33,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:39:33,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:39:33,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:39:33,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:33" (1/1) ... [2021-11-13 01:39:33,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:33" (1/1) ... [2021-11-13 01:39:33,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:39:33,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:39:33,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:39:33,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:39:33,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:33" (1/1) ... [2021-11-13 01:39:33,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:33" (1/1) ... [2021-11-13 01:39:33,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:33" (1/1) ... [2021-11-13 01:39:33,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:33" (1/1) ... [2021-11-13 01:39:33,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:33" (1/1) ... [2021-11-13 01:39:33,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:33" (1/1) ... [2021-11-13 01:39:34,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:33" (1/1) ... [2021-11-13 01:39:34,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:39:34,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:39:34,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:39:34,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:39:34,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:33" (1/1) ... [2021-11-13 01:39:34,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:39:34,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:39:34,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:39:34,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:39:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-11-13 01:39:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-11-13 01:39:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 01:39:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-13 01:39:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-13 01:39:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-13 01:39:34,130 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-13 01:39:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 01:39:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 01:39:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-13 01:39:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2021-11-13 01:39:34,131 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2021-11-13 01:39:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-13 01:39:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-13 01:39:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-13 01:39:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-13 01:39:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 01:39:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 01:39:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:39:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:39:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-13 01:39:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-13 01:39:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 01:39:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 01:39:34,135 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-13 01:39:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-13 01:39:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-13 01:39:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-13 01:39:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 01:39:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 01:39:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 01:39:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 01:39:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2021-11-13 01:39:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2021-11-13 01:39:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:39:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-13 01:39:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 01:39:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-13 01:39:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 01:39:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-13 01:39:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-13 01:39:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-13 01:39:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-13 01:39:49,966 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:39:49,966 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 01:39:49,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:39:49 BoogieIcfgContainer [2021-11-13 01:39:49,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:39:49,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:39:49,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:39:49,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:39:49,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:39:29" (1/3) ... [2021-11-13 01:39:49,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678418ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:39:49, skipping insertion in model container [2021-11-13 01:39:49,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:33" (2/3) ... [2021-11-13 01:39:49,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678418ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:39:49, skipping insertion in model container [2021-11-13 01:39:49,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:39:49" (3/3) ... [2021-11-13 01:39:49,979 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_dynamic_harness.i [2021-11-13 01:39:49,986 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:39:49,986 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 01:39:50,052 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 01:39:50,060 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 01:39:50,060 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 01:39:50,085 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 88 states have internal predecessors, (107), 34 states have call successors, (34), 14 states have call predecessors, (34), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2021-11-13 01:39:50,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 01:39:50,095 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:50,096 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] [2021-11-13 01:39:50,096 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:39:50,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:50,103 INFO L85 PathProgramCache]: Analyzing trace with hash 227057795, now seen corresponding path program 1 times [2021-11-13 01:39:50,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:39:50,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780402974] [2021-11-13 01:39:50,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:50,131 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:39:50,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:39:50,135 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:39:50,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 01:39:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:55,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 1554 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 01:39:55,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:39:55,357 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 01:39:55,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:39:55,544 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 01:39:55,545 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:39:55,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780402974] [2021-11-13 01:39:55,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780402974] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:39:55,546 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:39:55,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-13 01:39:55,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177868600] [2021-11-13 01:39:55,549 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:39:55,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 01:39:55,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:39:55,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 01:39:55,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 01:39:55,590 INFO L87 Difference]: Start difference. First operand has 136 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 88 states have internal predecessors, (107), 34 states have call successors, (34), 14 states have call predecessors, (34), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-13 01:39:55,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:55,639 INFO L93 Difference]: Finished difference Result 267 states and 365 transitions. [2021-11-13 01:39:55,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 01:39:55,642 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2021-11-13 01:39:55,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:55,655 INFO L225 Difference]: With dead ends: 267 [2021-11-13 01:39:55,655 INFO L226 Difference]: Without dead ends: 129 [2021-11-13 01:39:55,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 01:39:55,664 INFO L933 BasicCegarLoop]: 170 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, 170 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.77ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:55,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 2.77ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 01:39:55,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-11-13 01:39:55,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2021-11-13 01:39:55,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 80 states have (on average 1.2) internal successors, (96), 82 states have internal predecessors, (96), 34 states have call successors, (34), 14 states have call predecessors, (34), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-13 01:39:55,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 162 transitions. [2021-11-13 01:39:55,735 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 162 transitions. Word has length 53 [2021-11-13 01:39:55,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:55,737 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 162 transitions. [2021-11-13 01:39:55,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-13 01:39:55,739 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 162 transitions. [2021-11-13 01:39:55,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-13 01:39:55,743 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:55,743 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] [2021-11-13 01:39:55,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 01:39:55,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:39:55,945 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:39:55,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:55,946 INFO L85 PathProgramCache]: Analyzing trace with hash -101057615, now seen corresponding path program 1 times [2021-11-13 01:39:55,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:39:55,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798483745] [2021-11-13 01:39:55,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:55,951 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:39:55,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:39:55,952 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:39:55,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 01:40:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:00,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 1571 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 01:40:00,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:40:00,933 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 01:40:00,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:40:01,298 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 01:40:01,299 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:40:01,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798483745] [2021-11-13 01:40:01,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798483745] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:40:01,299 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:40:01,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-13 01:40:01,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922409270] [2021-11-13 01:40:01,300 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:40:01,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:40:01,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:40:01,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:40:01,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:40:01,305 INFO L87 Difference]: Start difference. First operand 129 states and 162 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-13 01:40:01,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:40:01,450 INFO L93 Difference]: Finished difference Result 249 states and 310 transitions. [2021-11-13 01:40:01,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:40:01,455 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 59 [2021-11-13 01:40:01,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:40:01,465 INFO L225 Difference]: With dead ends: 249 [2021-11-13 01:40:01,466 INFO L226 Difference]: Without dead ends: 131 [2021-11-13 01:40:01,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:40:01,471 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 6 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.39ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.98ms IncrementalHoareTripleChecker+Time [2021-11-13 01:40:01,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 322 Invalid, 11 Unknown, 0 Unchecked, 12.39ms Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 65.98ms Time] [2021-11-13 01:40:01,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-11-13 01:40:01,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-11-13 01:40:01,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 82 states have (on average 1.1951219512195121) internal successors, (98), 84 states have internal predecessors, (98), 34 states have call successors, (34), 14 states have call predecessors, (34), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-13 01:40:01,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 164 transitions. [2021-11-13 01:40:01,515 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 164 transitions. Word has length 59 [2021-11-13 01:40:01,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:40:01,516 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 164 transitions. [2021-11-13 01:40:01,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-13 01:40:01,517 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 164 transitions. [2021-11-13 01:40:01,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 01:40:01,529 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:40:01,529 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 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] [2021-11-13 01:40:01,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 01:40:01,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:40:01,755 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:40:01,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:40:01,756 INFO L85 PathProgramCache]: Analyzing trace with hash 981555441, now seen corresponding path program 1 times [2021-11-13 01:40:01,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:40:01,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1783875179] [2021-11-13 01:40:01,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:01,760 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:40:01,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:40:01,762 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:40:01,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 01:40:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:06,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 1581 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 01:40:06,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:40:06,747 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 01:40:06,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:40:07,288 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 01:40:07,289 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:40:07,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1783875179] [2021-11-13 01:40:07,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1783875179] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:40:07,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [576571097] [2021-11-13 01:40:07,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:07,290 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 01:40:07,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-13 01:40:07,295 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 01:40:07,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-13 01:40:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:11,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 1581 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 01:40:11,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:40:12,058 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 01:40:12,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:40:12,398 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 01:40:12,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [576571097] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:40:12,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501738335] [2021-11-13 01:40:12,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:12,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:40:12,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:40:12,401 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:40:12,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-13 01:40:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:14,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 1581 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 01:40:14,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:40:14,951 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-13 01:40:14,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:40:15,495 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-13 01:40:15,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501738335] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 01:40:15,496 INFO L186 FreeRefinementEngine]: Found 1 perfect and 5 imperfect interpolant sequences. [2021-11-13 01:40:15,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 6, 6, 6, 11] total 21 [2021-11-13 01:40:15,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208494137] [2021-11-13 01:40:15,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:40:15,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:40:15,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:40:15,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:40:15,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2021-11-13 01:40:15,498 INFO L87 Difference]: Start difference. First operand 131 states and 164 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-13 01:40:15,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:40:15,840 INFO L93 Difference]: Finished difference Result 139 states and 172 transitions. [2021-11-13 01:40:15,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:40:15,849 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 61 [2021-11-13 01:40:15,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:40:15,852 INFO L225 Difference]: With dead ends: 139 [2021-11-13 01:40:15,852 INFO L226 Difference]: Without dead ends: 137 [2021-11-13 01:40:15,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:40:15,854 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 6 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 233.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.16ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 250.93ms IncrementalHoareTripleChecker+Time [2021-11-13 01:40:15,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 625 Invalid, 24 Unknown, 0 Unchecked, 6.16ms Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 250.93ms Time] [2021-11-13 01:40:15,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-13 01:40:15,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 136. [2021-11-13 01:40:15,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 85 states have (on average 1.188235294117647) internal successors, (101), 88 states have internal predecessors, (101), 35 states have call successors, (35), 15 states have call predecessors, (35), 15 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2021-11-13 01:40:15,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 169 transitions. [2021-11-13 01:40:15,872 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 169 transitions. Word has length 61 [2021-11-13 01:40:15,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:40:15,873 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 169 transitions. [2021-11-13 01:40:15,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-13 01:40:15,874 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 169 transitions. [2021-11-13 01:40:15,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 01:40:15,875 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:40:15,875 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 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] [2021-11-13 01:40:15,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-11-13 01:40:16,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-13 01:40:16,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-13 01:40:16,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:40:16,496 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:40:16,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:40:16,497 INFO L85 PathProgramCache]: Analyzing trace with hash 983402483, now seen corresponding path program 1 times [2021-11-13 01:40:16,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:40:16,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232227225] [2021-11-13 01:40:16,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:16,502 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:40:16,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:40:16,503 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:40:16,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 01:40:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:21,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 01:40:21,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:40:21,742 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 01:40:21,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:40:22,228 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 01:40:22,228 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:40:22,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232227225] [2021-11-13 01:40:22,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1232227225] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:40:22,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [129698042] [2021-11-13 01:40:22,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:22,229 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 01:40:22,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-13 01:40:22,230 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 01:40:22,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-13 01:40:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:26,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 01:40:26,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:40:27,083 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 01:40:27,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:40:27,365 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 01:40:27,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [129698042] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:40:27,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403254351] [2021-11-13 01:40:27,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:27,366 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:40:27,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:40:27,371 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:40:27,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-13 01:40:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:29,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 01:40:29,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:40:29,308 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 01:40:29,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:40:29,794 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 01:40:29,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403254351] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:40:29,795 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-13 01:40:29,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 14 [2021-11-13 01:40:29,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827987627] [2021-11-13 01:40:29,795 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-13 01:40:29,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:40:29,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:40:29,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:40:29,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:40:29,798 INFO L87 Difference]: Start difference. First operand 136 states and 169 transitions. Second operand has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-13 01:40:30,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:40:30,488 INFO L93 Difference]: Finished difference Result 263 states and 326 transitions. [2021-11-13 01:40:30,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 01:40:30,489 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 61 [2021-11-13 01:40:30,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:40:30,493 INFO L225 Difference]: With dead ends: 263 [2021-11-13 01:40:30,493 INFO L226 Difference]: Without dead ends: 140 [2021-11-13 01:40:30,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=122, Invalid=184, Unknown=0, NotChecked=0, Total=306 [2021-11-13 01:40:30,495 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 16 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 190.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.09ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 216.27ms IncrementalHoareTripleChecker+Time [2021-11-13 01:40:30,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 1106 Invalid, 56 Unknown, 0 Unchecked, 8.09ms Time], IncrementalHoareTripleChecker [12 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 216.27ms Time] [2021-11-13 01:40:30,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-13 01:40:30,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2021-11-13 01:40:30,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 89 states have (on average 1.1797752808988764) internal successors, (105), 92 states have internal predecessors, (105), 35 states have call successors, (35), 15 states have call predecessors, (35), 15 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2021-11-13 01:40:30,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 173 transitions. [2021-11-13 01:40:30,512 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 173 transitions. Word has length 61 [2021-11-13 01:40:30,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:40:30,513 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 173 transitions. [2021-11-13 01:40:30,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-13 01:40:30,513 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 173 transitions. [2021-11-13 01:40:30,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 01:40:30,515 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:40:30,515 INFO L514 BasicCegarLoop]: trace histogram [6, 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] [2021-11-13 01:40:30,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-13 01:40:30,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-11-13 01:40:30,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-13 01:40:31,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:40:31,135 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:40:31,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:40:31,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1037652595, now seen corresponding path program 2 times [2021-11-13 01:40:31,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:40:31,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806983178] [2021-11-13 01:40:31,139 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 01:40:31,139 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:40:31,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:40:31,140 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:40:31,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fbff2f-b4d3-4c44-9470-a2a31ffcd4ca/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process