./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_eq_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_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/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_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/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_a48244aa-46cf-4dac-b4e4-eded416bcb05/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 8b61e347701f0c89420e753e852eb314cc29dd4fd4a4715a05b300c448d0ac03 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:18:51,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:18:51,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:18:51,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:18:51,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:18:51,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:18:51,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:18:51,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:18:51,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:18:51,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:18:51,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:18:51,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:18:51,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:18:51,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:18:51,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:18:51,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:18:51,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:18:51,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:18:51,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:18:51,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:18:51,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:18:51,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:18:51,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:18:51,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:18:51,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:18:51,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:18:51,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:18:51,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:18:51,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:18:51,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:18:51,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:18:51,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:18:51,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:18:51,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:18:51,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:18:51,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:18:51,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:18:51,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:18:51,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:18:51,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:18:51,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:18:51,827 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:18:51,874 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:18:51,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:18:51,876 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:18:51,876 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:18:51,876 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:18:51,877 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:18:51,877 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:18:51,877 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:18:51,877 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:18:51,878 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:18:51,879 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:18:51,879 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:18:51,879 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:18:51,880 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:18:51,880 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:18:51,881 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:18:51,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:18:51,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:18:51,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:18:51,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:18:51,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:18:51,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:18:51,884 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:18:51,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:18:51,884 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:18:51,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:18:51,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:18:51,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:18:51,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:18:51,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:18:51,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:18:51,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:18:51,888 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:18:51,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:18:51,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:18:51,889 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:18:51,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:18:51,890 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_a48244aa-46cf-4dac-b4e4-eded416bcb05/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b61e347701f0c89420e753e852eb314cc29dd4fd4a4715a05b300c448d0ac03 [2021-11-12 23:18:52,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:18:52,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:18:52,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:18:52,190 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:18:52,192 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:18:52,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i [2021-11-12 23:18:52,283 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/data/f60d424b2/dd1d997631b243028005f8a49339352e/FLAGbce4c2b22 [2021-11-12 23:18:53,081 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:18:53,083 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i [2021-11-12 23:18:53,131 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/data/f60d424b2/dd1d997631b243028005f8a49339352e/FLAGbce4c2b22 [2021-11-12 23:18:53,622 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/data/f60d424b2/dd1d997631b243028005f8a49339352e [2021-11-12 23:18:53,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:18:53,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:18:53,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:18:53,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:18:53,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:18:53,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:18:53" (1/1) ... [2021-11-12 23:18:53,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458facf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:18:53, skipping insertion in model container [2021-11-12 23:18:53,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:18:53" (1/1) ... [2021-11-12 23:18:53,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:18:53,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:18:54,048 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_a48244aa-46cf-4dac-b4e4-eded416bcb05/sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i[4487,4500] [2021-11-12 23:18:54,056 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_a48244aa-46cf-4dac-b4e4-eded416bcb05/sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i[4547,4560] [2021-11-12 23:18:54,082 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:18:54,088 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:18:55,212 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:18:55,213 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:18:55,213 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:18:55,214 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:18:55,216 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:18:55,231 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:18:55,232 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:18:55,234 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:18:55,235 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:18:55,648 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:18:55,650 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:18:55,651 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:18:55,652 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:18:55,654 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:18:55,655 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:18:55,655 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:18:55,656 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:18:55,657 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:18:55,657 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:18:55,837 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:18:56,091 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:18:56,103 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:18:56,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:18:56,184 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 23:18:56,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@46a3978d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:18:56, skipping insertion in model container [2021-11-12 23:18:56,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:18:56,190 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:18:56,193 INFO L158 Benchmark]: Toolchain (without parser) took 2562.88ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 47.1MB in the beginning and 79.6MB in the end (delta: -32.5MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2021-11-12 23:18:56,193 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:18:56,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2557.92ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 46.9MB in the beginning and 79.6MB in the end (delta: -32.7MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2021-11-12 23:18:56,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2557.92ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 46.9MB in the beginning and 79.6MB in the end (delta: -32.7MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6991]: 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_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/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_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/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_a48244aa-46cf-4dac-b4e4-eded416bcb05/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 8b61e347701f0c89420e753e852eb314cc29dd4fd4a4715a05b300c448d0ac03 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:18:58,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:18:58,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:18:58,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:18:58,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:18:58,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:18:58,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:18:58,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:18:58,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:18:58,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:18:58,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:18:58,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:18:58,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:18:58,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:18:58,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:18:58,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:18:58,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:18:58,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:18:58,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:18:58,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:18:58,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:18:58,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:18:58,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:18:58,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:18:58,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:18:58,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:18:58,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:18:58,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:18:58,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:18:58,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:18:58,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:18:58,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:18:58,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:18:58,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:18:58,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:18:58,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:18:58,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:18:58,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:18:58,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:18:58,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:18:58,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:18:58,765 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:18:58,808 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:18:58,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:18:58,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:18:58,810 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:18:58,810 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:18:58,810 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:18:58,811 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:18:58,811 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:18:58,811 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:18:58,811 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:18:58,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:18:58,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:18:58,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:18:58,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:18:58,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:18:58,815 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:18:58,815 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:18:58,815 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:18:58,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:18:58,816 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:18:58,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:18:58,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:18:58,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:18:58,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:18:58,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:18:58,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:18:58,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:18:58,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:18:58,818 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:18:58,818 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:18:58,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:18:58,818 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:18:58,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:18:58,819 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_a48244aa-46cf-4dac-b4e4-eded416bcb05/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b61e347701f0c89420e753e852eb314cc29dd4fd4a4715a05b300c448d0ac03 [2021-11-12 23:18:59,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:18:59,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:18:59,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:18:59,267 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:18:59,268 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:18:59,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i [2021-11-12 23:18:59,350 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/data/1ed36c4e8/62467ca747b74a6fbd1328c62300c02b/FLAGaaafcbc3a [2021-11-12 23:19:00,307 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:19:00,308 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i [2021-11-12 23:19:00,345 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/data/1ed36c4e8/62467ca747b74a6fbd1328c62300c02b/FLAGaaafcbc3a [2021-11-12 23:19:00,784 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/data/1ed36c4e8/62467ca747b74a6fbd1328c62300c02b [2021-11-12 23:19:00,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:19:00,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:19:00,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:19:00,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:19:00,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:19:00,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:19:00" (1/1) ... [2021-11-12 23:19:00,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c24f41b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:19:00, skipping insertion in model container [2021-11-12 23:19:00,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:19:00" (1/1) ... [2021-11-12 23:19:00,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:19:00,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:19:01,228 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_a48244aa-46cf-4dac-b4e4-eded416bcb05/sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i[4487,4500] [2021-11-12 23:19:01,236 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_a48244aa-46cf-4dac-b4e4-eded416bcb05/sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i[4547,4560] [2021-11-12 23:19:01,263 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:19:01,271 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:19:02,053 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:02,054 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:02,055 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:02,056 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:02,057 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:02,073 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:02,074 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:02,076 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:02,077 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:02,515 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:19:02,516 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:19:02,517 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:19:02,518 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:19:02,520 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:19:02,521 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:19:02,522 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:19:02,522 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:19:02,523 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:19:02,524 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:19:02,716 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:19:02,903 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:02,905 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:02,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:19:02,981 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:19:03,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:19:03,042 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_a48244aa-46cf-4dac-b4e4-eded416bcb05/sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i[4487,4500] [2021-11-12 23:19:03,043 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_a48244aa-46cf-4dac-b4e4-eded416bcb05/sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i[4547,4560] [2021-11-12 23:19:03,044 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:19:03,045 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:19:03,077 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,077 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,078 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,078 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,079 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,103 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,106 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,107 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,115 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,156 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:19:03,157 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:19:03,157 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:19:03,165 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:19:03,167 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:19:03,171 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:19:03,171 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:19:03,172 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:19:03,172 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:19:03,173 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:19:03,197 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:19:03,304 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,305 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:19:03,345 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:19:03,374 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_a48244aa-46cf-4dac-b4e4-eded416bcb05/sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i[4487,4500] [2021-11-12 23:19:03,375 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_a48244aa-46cf-4dac-b4e4-eded416bcb05/sv-benchmarks/c/aws-c-common/aws_string_eq_harness.i[4547,4560] [2021-11-12 23:19:03,377 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:19:03,377 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:19:03,445 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,445 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,446 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,446 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,447 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,451 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,452 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,453 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,453 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,482 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:19:03,483 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:19:03,484 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:19:03,484 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:19:03,485 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:19:03,485 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:19:03,486 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:19:03,486 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:19:03,487 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:19:03,487 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:19:03,505 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:19:03,654 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,668 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:19:03,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:19:03,983 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:19:03,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:19:03 WrapperNode [2021-11-12 23:19:03,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:19:03,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:19:03,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:19:03,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:19:03,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:19:03" (1/1) ... [2021-11-12 23:19:04,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:19:03" (1/1) ... [2021-11-12 23:19:04,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:19:04,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:19:04,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:19:04,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:19:04,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:19:03" (1/1) ... [2021-11-12 23:19:04,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:19:03" (1/1) ... [2021-11-12 23:19:04,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:19:03" (1/1) ... [2021-11-12 23:19:04,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:19:03" (1/1) ... [2021-11-12 23:19:04,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:19:03" (1/1) ... [2021-11-12 23:19:04,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:19:03" (1/1) ... [2021-11-12 23:19:04,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:19:03" (1/1) ... [2021-11-12 23:19:04,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:19:04,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:19:04,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:19:04,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:19:04,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:19:03" (1/1) ... [2021-11-12 23:19:04,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:19:04,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:19:04,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:19:04,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:19:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-11-12 23:19:04,362 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-11-12 23:19:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2021-11-12 23:19:04,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2021-11-12 23:19:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-12 23:19:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-12 23:19:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-12 23:19:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:19:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-12 23:19:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-12 23:19:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:19:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:19:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:19:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:19:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-12 23:19:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-12 23:19:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:19:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:19:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 23:19:04,366 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 23:19:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:19:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2021-11-12 23:19:04,366 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2021-11-12 23:19:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:19:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:19:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:19:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-12 23:19:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-12 23:19:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-12 23:19:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-12 23:19:05,507 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:19:05,508 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:19:05,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:19:05 BoogieIcfgContainer [2021-11-12 23:19:05,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:19:05,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:19:05,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:19:05,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:19:05,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:19:00" (1/3) ... [2021-11-12 23:19:05,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d9ef0bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:19:05, skipping insertion in model container [2021-11-12 23:19:05,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:19:03" (2/3) ... [2021-11-12 23:19:05,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d9ef0bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:19:05, skipping insertion in model container [2021-11-12 23:19:05,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:19:05" (3/3) ... [2021-11-12 23:19:05,524 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_eq_harness.i [2021-11-12 23:19:05,533 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:19:05,534 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:19:05,582 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:19:05,589 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:19:05,590 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:19:05,611 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 66 states have internal predecessors, (81), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2021-11-12 23:19:05,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-12 23:19:05,620 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:19:05,620 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:19:05,621 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:19:05,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:19:05,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1135633648, now seen corresponding path program 1 times [2021-11-12 23:19:05,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:19:05,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1999168999] [2021-11-12 23:19:05,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:19:05,645 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:19:05,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:19:05,648 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:19:05,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:19:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:19:06,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 23:19:06,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:19:06,154 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-12 23:19:06,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:19:06,260 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-12 23:19:06,261 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:19:06,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1999168999] [2021-11-12 23:19:06,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1999168999] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:19:06,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:19:06,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-12 23:19:06,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779926604] [2021-11-12 23:19:06,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:19:06,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:19:06,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:19:06,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:19:06,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:19:06,315 INFO L87 Difference]: Start difference. First operand has 102 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 66 states have internal predecessors, (81), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-12 23:19:06,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:19:06,393 INFO L93 Difference]: Finished difference Result 199 states and 274 transitions. [2021-11-12 23:19:06,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:19:06,396 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2021-11-12 23:19:06,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:19:06,412 INFO L225 Difference]: With dead ends: 199 [2021-11-12 23:19:06,412 INFO L226 Difference]: Without dead ends: 97 [2021-11-12 23:19:06,419 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:19:06,426 INFO L933 BasicCegarLoop]: 131 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, 131 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.71ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 23:19:06,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 6.71ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 23:19:06,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-11-12 23:19:06,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2021-11-12 23:19:06,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 61 states have (on average 1.2131147540983607) internal successors, (74), 62 states have internal predecessors, (74), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-12 23:19:06,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 125 transitions. [2021-11-12 23:19:06,499 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 125 transitions. Word has length 35 [2021-11-12 23:19:06,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:19:06,501 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 125 transitions. [2021-11-12 23:19:06,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-12 23:19:06,501 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 125 transitions. [2021-11-12 23:19:06,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-12 23:19:06,504 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:19:06,504 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:19:06,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:19:06,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:19:06,723 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:19:06,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:19:06,724 INFO L85 PathProgramCache]: Analyzing trace with hash -157446480, now seen corresponding path program 1 times [2021-11-12 23:19:06,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:19:06,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940436696] [2021-11-12 23:19:06,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:19:06,726 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:19:06,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:19:06,728 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:19:06,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:19:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:19:07,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-12 23:19:07,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:19:07,367 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-12 23:19:07,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:19:07,546 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-12 23:19:07,546 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:19:07,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940436696] [2021-11-12 23:19:07,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [940436696] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:19:07,547 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:19:07,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-12 23:19:07,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602625624] [2021-11-12 23:19:07,547 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:19:07,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:19:07,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:19:07,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:19:07,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:19:07,550 INFO L87 Difference]: Start difference. First operand 97 states and 125 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 4 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-12 23:19:07,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:19:07,791 INFO L93 Difference]: Finished difference Result 172 states and 228 transitions. [2021-11-12 23:19:07,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:19:07,795 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 4 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 35 [2021-11-12 23:19:07,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:19:07,797 INFO L225 Difference]: With dead ends: 172 [2021-11-12 23:19:07,798 INFO L226 Difference]: Without dead ends: 97 [2021-11-12 23:19:07,799 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:19:07,800 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 40 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 111.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.98ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 128.91ms IncrementalHoareTripleChecker+Time [2021-11-12 23:19:07,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 656 Invalid, 36 Unknown, 0 Unchecked, 12.98ms Time], IncrementalHoareTripleChecker [10 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 128.91ms Time] [2021-11-12 23:19:07,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-11-12 23:19:07,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2021-11-12 23:19:07,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 61 states have (on average 1.1967213114754098) internal successors, (73), 62 states have internal predecessors, (73), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-12 23:19:07,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 124 transitions. [2021-11-12 23:19:07,827 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 124 transitions. Word has length 35 [2021-11-12 23:19:07,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:19:07,828 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 124 transitions. [2021-11-12 23:19:07,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 4 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-12 23:19:07,828 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 124 transitions. [2021-11-12 23:19:07,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-12 23:19:07,839 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:19:07,840 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:19:07,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:19:08,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:19:08,058 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:19:08,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:19:08,058 INFO L85 PathProgramCache]: Analyzing trace with hash -798036876, now seen corresponding path program 1 times [2021-11-12 23:19:08,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:19:08,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1113498587] [2021-11-12 23:19:08,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:19:08,060 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:19:08,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:19:08,065 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:19:08,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:19:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:19:08,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-12 23:19:08,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:19:08,963 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-12 23:19:08,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:19:10,494 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-12 23:19:10,494 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:19:10,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1113498587] [2021-11-12 23:19:10,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1113498587] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:19:10,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:19:10,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 16 [2021-11-12 23:19:10,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475265667] [2021-11-12 23:19:10,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:19:10,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 23:19:10,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:19:10,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 23:19:10,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:19:10,498 INFO L87 Difference]: Start difference. First operand 97 states and 124 transitions. Second operand has 10 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 6 states have call successors, (11), 2 states have call predecessors, (11), 5 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2021-11-12 23:19:10,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:19:10,926 INFO L93 Difference]: Finished difference Result 130 states and 158 transitions. [2021-11-12 23:19:10,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-12 23:19:10,926 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 6 states have call successors, (11), 2 states have call predecessors, (11), 5 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 69 [2021-11-12 23:19:10,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:19:10,927 INFO L225 Difference]: With dead ends: 130 [2021-11-12 23:19:10,927 INFO L226 Difference]: Without dead ends: 0 [2021-11-12 23:19:10,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2021-11-12 23:19:10,930 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 11 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 124.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.36ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 143.04ms IncrementalHoareTripleChecker+Time [2021-11-12 23:19:10,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 259 Invalid, 68 Unknown, 0 Unchecked, 2.36ms Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 15 Unchecked, 143.04ms Time] [2021-11-12 23:19:10,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-12 23:19:10,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-12 23:19:10,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:19:10,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-12 23:19:10,932 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2021-11-12 23:19:10,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:19:10,933 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-12 23:19:10,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 6 states have call successors, (11), 2 states have call predecessors, (11), 5 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2021-11-12 23:19:10,933 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-12 23:19:10,933 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-12 23:19:10,935 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 23:19:10,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:19:11,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:19:11,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-12 23:19:11,389 INFO L854 garLoopResultBuilder]: At program point L6816(lines 6807 6817) the Hoare annotation is: (exists ((|ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| (_ BitVec 64))) (and (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvule (bvadd (_ bv9223372036853541257 64) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) (_ bv36028797018963967 64)))) [2021-11-12 23:19:11,389 INFO L858 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6801 6805) no Hoare annotation was computed. [2021-11-12 23:19:11,389 INFO L858 garLoopResultBuilder]: For program point L6811-1(lines 6811 6812) no Hoare annotation was computed. [2021-11-12 23:19:11,389 INFO L854 garLoopResultBuilder]: At program point L6811(line 6811) the Hoare annotation is: (and (exists ((|ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| (_ BitVec 64))) (and (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvule (bvadd (_ bv9223372036853541257 64) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) (_ bv36028797018963967 64)))) (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvult |ensure_string_is_allocated_bounded_length_~len~1#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|)) [2021-11-12 23:19:11,390 INFO L858 garLoopResultBuilder]: For program point L6811-5(lines 6811 6812) no Hoare annotation was computed. [2021-11-12 23:19:11,390 INFO L858 garLoopResultBuilder]: For program point L6808-1(line 6808) no Hoare annotation was computed. [2021-11-12 23:19:11,390 INFO L854 garLoopResultBuilder]: At program point L6808(line 6808) the Hoare annotation is: (and (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvult |ensure_string_is_allocated_bounded_length_~len~1#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|)) [2021-11-12 23:19:11,390 INFO L858 garLoopResultBuilder]: For program point L6811-3(line 6811) no Hoare annotation was computed. [2021-11-12 23:19:11,390 INFO L854 garLoopResultBuilder]: At program point L6811-2(line 6811) the Hoare annotation is: (exists ((|ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| (_ BitVec 64))) (and (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvule (bvadd (_ bv9223372036853541257 64) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) (_ bv36028797018963967 64)))) [2021-11-12 23:19:11,391 INFO L854 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) [2021-11-12 23:19:11,391 INFO L858 garLoopResultBuilder]: For program point L6803-1(line 6803) no Hoare annotation was computed. [2021-11-12 23:19:11,391 INFO L854 garLoopResultBuilder]: At program point L6803(line 6803) the Hoare annotation is: (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) [2021-11-12 23:19:11,391 INFO L861 garLoopResultBuilder]: At program point ensure_string_is_allocated_bounded_lengthENTRY(lines 6801 6805) the Hoare annotation is: true [2021-11-12 23:19:11,391 INFO L858 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2021-11-12 23:19:11,391 INFO L858 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthFINAL(lines 6801 6805) no Hoare annotation was computed. [2021-11-12 23:19:11,392 INFO L861 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6883 6888) the Hoare annotation is: true [2021-11-12 23:19:11,392 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6883 6888) no Hoare annotation was computed. [2021-11-12 23:19:11,392 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6883 6888) no Hoare annotation was computed. [2021-11-12 23:19:11,392 INFO L858 garLoopResultBuilder]: For program point L6884-1(lines 6884 6886) no Hoare annotation was computed. [2021-11-12 23:19:11,392 INFO L854 garLoopResultBuilder]: At program point L6884(lines 6884 6886) the Hoare annotation is: (= bounded_malloc_~size |bounded_malloc_#in~size|) [2021-11-12 23:19:11,393 INFO L861 garLoopResultBuilder]: At program point aws_array_eqENTRY(lines 8019 8039) the Hoare annotation is: true [2021-11-12 23:19:11,393 INFO L858 garLoopResultBuilder]: For program point L8032(lines 8032 8036) no Hoare annotation was computed. [2021-11-12 23:19:11,393 INFO L858 garLoopResultBuilder]: For program point aws_array_eqEXIT(lines 8019 8039) no Hoare annotation was computed. [2021-11-12 23:19:11,393 INFO L858 garLoopResultBuilder]: For program point L8023(lines 8020 8039) no Hoare annotation was computed. [2021-11-12 23:19:11,393 INFO L858 garLoopResultBuilder]: For program point aws_array_eqFINAL(lines 8019 8039) no Hoare annotation was computed. [2021-11-12 23:19:11,394 INFO L861 garLoopResultBuilder]: At program point L8021-1(line 8021) the Hoare annotation is: true [2021-11-12 23:19:11,394 INFO L861 garLoopResultBuilder]: At program point L8021(line 8021) the Hoare annotation is: true [2021-11-12 23:19:11,394 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-11-12 23:19:11,394 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-11-12 23:19:11,394 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-11-12 23:19:11,394 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-11-12 23:19:11,395 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-11-12 23:19:11,395 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-12 23:19:11,395 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-11-12 23:19:11,395 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6890 6892) no Hoare annotation was computed. [2021-11-12 23:19:11,395 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6890 6892) no Hoare annotation was computed. [2021-11-12 23:19:11,396 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6890 6892) the Hoare annotation is: true [2021-11-12 23:19:11,396 INFO L861 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6253 6258) the Hoare annotation is: true [2021-11-12 23:19:11,396 INFO L858 garLoopResultBuilder]: For program point L6257-2(line 6257) no Hoare annotation was computed. [2021-11-12 23:19:11,396 INFO L858 garLoopResultBuilder]: For program point L6257-3(line 6257) no Hoare annotation was computed. [2021-11-12 23:19:11,396 INFO L858 garLoopResultBuilder]: For program point L6257(line 6257) no Hoare annotation was computed. [2021-11-12 23:19:11,396 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6253 6258) no Hoare annotation was computed. [2021-11-12 23:19:11,397 INFO L858 garLoopResultBuilder]: For program point L6257-5(line 6257) no Hoare annotation was computed. [2021-11-12 23:19:11,397 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6253 6258) no Hoare annotation was computed. [2021-11-12 23:19:11,397 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-11-12 23:19:11,397 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-11-12 23:19:11,397 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2021-11-12 23:19:11,398 INFO L858 garLoopResultBuilder]: For program point L7100(lines 7100 7113) no Hoare annotation was computed. [2021-11-12 23:19:11,398 INFO L858 garLoopResultBuilder]: For program point L7414(line 7414) no Hoare annotation was computed. [2021-11-12 23:19:11,398 INFO L854 garLoopResultBuilder]: At program point L8917(line 8917) the Hoare annotation is: false [2021-11-12 23:19:11,398 INFO L858 garLoopResultBuilder]: For program point L8917-1(line 8917) no Hoare annotation was computed. [2021-11-12 23:19:11,398 INFO L854 garLoopResultBuilder]: At program point L7414-4(line 7414) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base|)) [2021-11-12 23:19:11,399 INFO L858 garLoopResultBuilder]: For program point L7414-3(line 7414) no Hoare annotation was computed. [2021-11-12 23:19:11,399 INFO L854 garLoopResultBuilder]: At program point L7414-2(line 7414) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base|)) [2021-11-12 23:19:11,399 INFO L858 garLoopResultBuilder]: For program point L7414-5(line 7414) no Hoare annotation was computed. [2021-11-12 23:19:11,399 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-12 23:19:11,399 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-12 23:19:11,399 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-12 23:19:11,400 INFO L858 garLoopResultBuilder]: For program point L7101-1(lines 7100 7113) no Hoare annotation was computed. [2021-11-12 23:19:11,400 INFO L854 garLoopResultBuilder]: At program point L7101(line 7101) the Hoare annotation is: false [2021-11-12 23:19:11,400 INFO L858 garLoopResultBuilder]: For program point L7415(line 7415) no Hoare annotation was computed. [2021-11-12 23:19:11,400 INFO L858 garLoopResultBuilder]: For program point L7415-5(line 7415) no Hoare annotation was computed. [2021-11-12 23:19:11,400 INFO L854 garLoopResultBuilder]: At program point L7415-4(line 7415) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base|)) [2021-11-12 23:19:11,401 INFO L858 garLoopResultBuilder]: For program point L7415-3(line 7415) no Hoare annotation was computed. [2021-11-12 23:19:11,401 INFO L854 garLoopResultBuilder]: At program point L7415-2(line 7415) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base|)) [2021-11-12 23:19:11,401 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-12 23:19:11,401 INFO L861 garLoopResultBuilder]: At program point L8923(line 8923) the Hoare annotation is: true [2021-11-12 23:19:11,401 INFO L858 garLoopResultBuilder]: For program point L8919-2(line 8919) no Hoare annotation was computed. [2021-11-12 23:19:11,401 INFO L854 garLoopResultBuilder]: At program point L8915(line 8915) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base|)) [2021-11-12 23:19:11,402 INFO L858 garLoopResultBuilder]: For program point L7416(lines 7416 7420) no Hoare annotation was computed. [2021-11-12 23:19:11,402 INFO L858 garLoopResultBuilder]: For program point L8915-1(line 8915) no Hoare annotation was computed. [2021-11-12 23:19:11,402 INFO L854 garLoopResultBuilder]: At program point L8919(line 8919) the Hoare annotation is: false [2021-11-12 23:19:11,402 INFO L854 garLoopResultBuilder]: At program point L8919-1(line 8919) the Hoare annotation is: false [2021-11-12 23:19:11,402 INFO L854 garLoopResultBuilder]: At program point L8915-3(line 8915) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base|)) [2021-11-12 23:19:11,403 INFO L858 garLoopResultBuilder]: For program point L8915-4(line 8915) no Hoare annotation was computed. [2021-11-12 23:19:11,403 INFO L858 garLoopResultBuilder]: For program point L8911(lines 8911 8922) no Hoare annotation was computed. [2021-11-12 23:19:11,403 INFO L858 garLoopResultBuilder]: For program point L8915-5(line 8915) no Hoare annotation was computed. [2021-11-12 23:19:11,403 INFO L858 garLoopResultBuilder]: For program point L7111-1(line 7111) no Hoare annotation was computed. [2021-11-12 23:19:11,403 INFO L854 garLoopResultBuilder]: At program point L7111(line 7111) the Hoare annotation is: false [2021-11-12 23:19:11,403 INFO L858 garLoopResultBuilder]: For program point L7107-1(line 7107) no Hoare annotation was computed. [2021-11-12 23:19:11,404 INFO L854 garLoopResultBuilder]: At program point L7107(line 7107) the Hoare annotation is: false [2021-11-12 23:19:11,404 INFO L858 garLoopResultBuilder]: For program point L7421(lines 7421 7429) no Hoare annotation was computed. [2021-11-12 23:19:11,404 INFO L858 garLoopResultBuilder]: For program point L8916(lines 8916 8921) no Hoare annotation was computed. [2021-11-12 23:19:11,404 INFO L854 garLoopResultBuilder]: At program point L8920(line 8920) the Hoare annotation is: false [2021-11-12 23:19:11,404 INFO L854 garLoopResultBuilder]: At program point L8920-1(line 8920) the Hoare annotation is: false [2021-11-12 23:19:11,405 INFO L858 garLoopResultBuilder]: For program point L8920-2(line 8920) no Hoare annotation was computed. [2021-11-12 23:19:11,405 INFO L858 garLoopResultBuilder]: For program point L8912-3(line 8912) no Hoare annotation was computed. [2021-11-12 23:19:11,405 INFO L858 garLoopResultBuilder]: For program point L8912-5(lines 8912 8913) no Hoare annotation was computed. [2021-11-12 23:19:11,405 INFO L861 garLoopResultBuilder]: At program point L8912(line 8912) the Hoare annotation is: true [2021-11-12 23:19:11,405 INFO L858 garLoopResultBuilder]: For program point L8912-1(lines 8912 8913) no Hoare annotation was computed. [2021-11-12 23:19:11,406 INFO L861 garLoopResultBuilder]: At program point L8912-2(line 8912) the Hoare annotation is: true [2021-11-12 23:19:11,406 INFO L854 garLoopResultBuilder]: At program point L7430(line 7430) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base|)) [2021-11-12 23:19:11,406 INFO L858 garLoopResultBuilder]: For program point L7108-1(lines 7108 7110) no Hoare annotation was computed. [2021-11-12 23:19:11,406 INFO L854 garLoopResultBuilder]: At program point L7430-2(lines 7412 7431) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base|)) [2021-11-12 23:19:11,406 INFO L854 garLoopResultBuilder]: At program point L7108(lines 7108 7110) the Hoare annotation is: false [2021-11-12 23:19:11,407 INFO L858 garLoopResultBuilder]: For program point L7430-1(line 7430) no Hoare annotation was computed. [2021-11-12 23:19:11,407 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-12 23:19:11,407 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-11-12 23:19:11,407 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-12 23:19:11,407 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-11-12 23:19:11,407 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-11-12 23:19:11,408 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-12 23:19:11,411 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-12 23:19:11,413 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:19:11,423 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-12 23:19:11,424 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-12 23:19:11,425 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-12 23:19:11,425 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-12 23:19:11,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 11:19:11 BoogieIcfgContainer [2021-11-12 23:19:11,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-12 23:19:11,427 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-12 23:19:11,427 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-12 23:19:11,427 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-12 23:19:11,428 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:19:05" (3/4) ... [2021-11-12 23:19:11,431 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-12 23:19:11,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2021-11-12 23:19:11,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-11-12 23:19:11,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_eq [2021-11-12 23:19:11,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-11-12 23:19:11,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-11-12 23:19:11,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-12 23:19:11,439 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-12 23:19:11,439 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-11-12 23:19:11,439 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2021-11-12 23:19:11,452 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-12 23:19:11,453 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-12 23:19:11,454 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-12 23:19:11,456 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-12 23:19:11,486 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1 : bv64 :: ~bvult64(ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1, \old(max_size)) && ~bvule64(~bvadd16(9223372036853541257bv64, ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1), 36028797018963967bv64)) [2021-11-12 23:19:11,734 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-12 23:19:11,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-12 23:19:11,735 INFO L158 Benchmark]: Toolchain (without parser) took 10947.84ms. Allocated memory was 56.6MB in the beginning and 195.0MB in the end (delta: 138.4MB). Free memory was 25.7MB in the beginning and 74.3MB in the end (delta: -48.5MB). Peak memory consumption was 121.4MB. Max. memory is 16.1GB. [2021-11-12 23:19:11,735 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 56.6MB. Free memory was 37.7MB in the beginning and 37.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:19:11,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3194.64ms. Allocated memory was 56.6MB in the beginning and 119.5MB in the end (delta: 62.9MB). Free memory was 25.5MB in the beginning and 50.4MB in the end (delta: -24.9MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2021-11-12 23:19:11,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.95ms. Allocated memory is still 119.5MB. Free memory was 49.9MB in the beginning and 67.0MB in the end (delta: -17.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-12 23:19:11,736 INFO L158 Benchmark]: Boogie Preprocessor took 104.06ms. Allocated memory is still 119.5MB. Free memory was 67.0MB in the beginning and 61.4MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-12 23:19:11,737 INFO L158 Benchmark]: RCFGBuilder took 1239.10ms. Allocated memory was 119.5MB in the beginning and 195.0MB in the end (delta: 75.5MB). Free memory was 61.4MB in the beginning and 123.5MB in the end (delta: -62.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-12 23:19:11,737 INFO L158 Benchmark]: TraceAbstraction took 5914.52ms. Allocated memory is still 195.0MB. Free memory was 123.5MB in the beginning and 54.3MB in the end (delta: 69.3MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2021-11-12 23:19:11,738 INFO L158 Benchmark]: Witness Printer took 307.00ms. Allocated memory is still 195.0MB. Free memory was 54.3MB in the beginning and 74.3MB in the end (delta: -20.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-11-12 23:19:11,740 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 56.6MB. Free memory was 37.7MB in the beginning and 37.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3194.64ms. Allocated memory was 56.6MB in the beginning and 119.5MB in the end (delta: 62.9MB). Free memory was 25.5MB in the beginning and 50.4MB in the end (delta: -24.9MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 180.95ms. Allocated memory is still 119.5MB. Free memory was 49.9MB in the beginning and 67.0MB in the end (delta: -17.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.06ms. Allocated memory is still 119.5MB. Free memory was 67.0MB in the beginning and 61.4MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1239.10ms. Allocated memory was 119.5MB in the beginning and 195.0MB in the end (delta: 75.5MB). Free memory was 61.4MB in the beginning and 123.5MB in the end (delta: -62.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5914.52ms. Allocated memory is still 195.0MB. Free memory was 123.5MB in the beginning and 54.3MB in the end (delta: 69.3MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. * Witness Printer took 307.00ms. Allocated memory is still 195.0MB. Free memory was 54.3MB in the beginning and 74.3MB in the end (delta: -20.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 60 SdHoareTripleChecker+Valid, 271.96ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 1046 SdHoareTripleChecker+Invalid, 236.29ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 15 IncrementalHoareTripleChecker+Unchecked, 747 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 76 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 299 mSDtfsCounter, 76 mSolverCounterSat, 22.05ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 279 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 132 PreInvPairs, 157 NumberOfFragments, 138 HoareAnnotationTreeSize, 132 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 38 FomulaSimplificationsInter, 84 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 272 ConstructedInterpolants, 10 QuantifiedInterpolants, 653 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1169 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 80/94 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8923]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7412]: Loop Invariant Derived loop invariant: 0bv64 == str_a && 0bv64 == str_a - InvariantResult [Line: 6807]: Loop Invariant [2021-11-12 23:19:11,749 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-12 23:19:11,749 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-12 23:19:11,750 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-12 23:19:11,750 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] Derived loop invariant: (\exists ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1 : bv64 :: ~bvult64(ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1, \old(max_size)) && ~bvule64(~bvadd16(9223372036853541257bv64, ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1), 36028797018963967bv64)) RESULT: Ultimate proved your program to be correct! [2021-11-12 23:19:11,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a48244aa-46cf-4dac-b4e4-eded416bcb05/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE