./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8 --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 60926facf5511174d61dcd6a0b7a731efc9ccdb495bc26b58400da4cd6320ca0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:43:21,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:43:21,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:43:21,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:43:21,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:43:21,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:43:21,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:43:21,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:43:21,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:43:21,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:43:21,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:43:21,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:43:21,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:43:21,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:43:21,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:43:21,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:43:21,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:43:21,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:43:21,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:43:21,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:43:21,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:43:21,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:43:21,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:43:21,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:43:21,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:43:21,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:43:21,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:43:21,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:43:21,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:43:21,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:43:21,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:43:21,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:43:21,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:43:21,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:43:21,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:43:21,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:43:21,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:43:21,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:43:21,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:43:21,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:43:21,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:43:21,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:43:21,849 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:43:21,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:43:21,850 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:43:21,850 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:43:21,851 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:43:21,851 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:43:21,851 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:43:21,852 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:43:21,852 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:43:21,852 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:43:21,853 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:43:21,853 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:43:21,853 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:43:21,853 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:43:21,854 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:43:21,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:43:21,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:43:21,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:43:21,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:43:21,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:43:21,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:43:21,856 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:43:21,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:43:21,857 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:43:21,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:43:21,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:43:21,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:43:21,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:43:21,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:43:21,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:43:21,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:43:21,859 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:43:21,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:43:21,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:43:21,860 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:43:21,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:43:21,861 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_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60926facf5511174d61dcd6a0b7a731efc9ccdb495bc26b58400da4cd6320ca0 [2021-11-07 01:43:22,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:43:22,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:43:22,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:43:22,214 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:43:22,215 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:43:22,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2021-11-07 01:43:22,302 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/data/487a727eb/44015522b58f4e899c1e276c78cb6740/FLAG7d7f3effc [2021-11-07 01:43:23,420 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:43:23,421 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2021-11-07 01:43:23,485 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/data/487a727eb/44015522b58f4e899c1e276c78cb6740/FLAG7d7f3effc [2021-11-07 01:43:23,783 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/data/487a727eb/44015522b58f4e899c1e276c78cb6740 [2021-11-07 01:43:23,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:43:23,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:43:23,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:43:23,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:43:23,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:43:23,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:43:23" (1/1) ... [2021-11-07 01:43:23,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b34a89d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:23, skipping insertion in model container [2021-11-07 01:43:23,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:43:23" (1/1) ... [2021-11-07 01:43:23,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:43:24,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:43:24,437 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_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i[4505,4518] [2021-11-07 01:43:24,445 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_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i[4565,4578] [2021-11-07 01:43:24,480 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:43:24,497 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:43:26,035 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:26,036 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:26,036 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:26,038 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:26,039 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:26,055 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:26,056 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:26,058 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:26,059 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:26,669 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:43:26,670 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:43:26,671 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:43:26,675 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:43:26,685 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:43:26,690 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:43:26,691 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:43:26,694 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:43:26,695 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:43:26,696 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:43:26,890 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:43:27,029 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:27,030 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:27,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:43:27,246 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) [2021-11-07 01:43:27,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66a107be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:27, skipping insertion in model container [2021-11-07 01:43:27,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:43:27,254 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:43:27,256 INFO L168 Benchmark]: Toolchain (without parser) took 3464.92 ms. Allocated memory was 121.6 MB in the beginning and 169.9 MB in the end (delta: 48.2 MB). Free memory was 76.8 MB in the beginning and 128.6 MB in the end (delta: -51.7 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:43:27,258 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 121.6 MB. Free memory was 94.9 MB in the beginning and 94.9 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:43:27,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3458.65 ms. Allocated memory was 121.6 MB in the beginning and 169.9 MB in the end (delta: 48.2 MB). Free memory was 76.6 MB in the beginning and 128.6 MB in the end (delta: -52.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:43:27,261 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 121.6 MB. Free memory was 94.9 MB in the beginning and 94.9 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3458.65 ms. Allocated memory was 121.6 MB in the beginning and 169.9 MB in the end (delta: 48.2 MB). Free memory was 76.6 MB in the beginning and 128.6 MB in the end (delta: -52.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6990]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8 --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 60926facf5511174d61dcd6a0b7a731efc9ccdb495bc26b58400da4cd6320ca0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:43:30,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:43:30,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:43:30,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:43:30,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:43:30,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:43:30,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:43:30,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:43:30,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:43:30,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:43:30,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:43:30,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:43:30,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:43:30,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:43:30,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:43:30,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:43:30,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:43:30,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:43:30,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:43:30,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:43:30,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:43:30,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:43:30,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:43:30,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:43:30,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:43:30,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:43:30,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:43:30,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:43:30,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:43:30,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:43:30,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:43:30,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:43:30,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:43:30,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:43:30,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:43:30,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:43:30,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:43:30,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:43:30,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:43:30,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:43:30,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:43:30,169 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:43:30,228 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:43:30,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:43:30,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:43:30,233 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:43:30,234 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:43:30,234 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:43:30,234 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:43:30,235 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:43:30,235 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:43:30,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:43:30,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:43:30,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:43:30,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:43:30,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:43:30,239 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:43:30,239 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:43:30,240 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:43:30,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:43:30,240 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:43:30,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:43:30,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:43:30,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:43:30,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:43:30,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:43:30,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:43:30,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:43:30,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:43:30,243 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:43:30,243 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:43:30,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:43:30,244 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:43:30,244 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:43:30,244 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_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60926facf5511174d61dcd6a0b7a731efc9ccdb495bc26b58400da4cd6320ca0 [2021-11-07 01:43:30,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:43:30,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:43:30,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:43:30,716 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:43:30,717 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:43:30,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2021-11-07 01:43:30,804 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/data/47a62ea46/26bd7645436b4132bbf2f8a58231c0d7/FLAGb0d9a9971 [2021-11-07 01:43:32,027 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:43:32,028 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2021-11-07 01:43:32,100 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/data/47a62ea46/26bd7645436b4132bbf2f8a58231c0d7/FLAGb0d9a9971 [2021-11-07 01:43:32,121 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/data/47a62ea46/26bd7645436b4132bbf2f8a58231c0d7 [2021-11-07 01:43:32,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:43:32,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:43:32,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:43:32,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:43:32,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:43:32,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:43:32" (1/1) ... [2021-11-07 01:43:32,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b79b6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:32, skipping insertion in model container [2021-11-07 01:43:32,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:43:32" (1/1) ... [2021-11-07 01:43:32,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:43:32,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:43:32,725 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_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i[4505,4518] [2021-11-07 01:43:32,734 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_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i[4565,4578] [2021-11-07 01:43:32,773 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:43:32,782 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:43:34,002 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:34,003 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:34,003 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:34,005 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:34,006 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:34,031 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:34,040 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:34,043 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:34,046 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:34,714 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:43:34,716 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:43:34,718 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:43:34,719 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:43:34,722 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:43:34,723 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:43:34,723 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:43:34,724 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:43:34,726 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:43:34,727 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:43:34,965 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:43:35,144 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:35,144 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:35,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:43:35,302 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:43:35,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:43:35,388 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_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i[4505,4518] [2021-11-07 01:43:35,388 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_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i[4565,4578] [2021-11-07 01:43:35,392 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:43:35,393 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:43:35,484 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:35,485 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:35,486 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:35,486 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:35,487 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:35,496 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:35,497 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:35,498 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:35,499 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:35,545 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:43:35,546 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:43:35,547 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:43:35,548 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:43:35,549 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:43:35,550 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:43:35,551 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:43:35,552 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:43:35,552 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:43:35,553 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:43:35,597 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:43:35,722 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:35,723 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:35,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:43:35,926 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:43:35,970 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_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i[4505,4518] [2021-11-07 01:43:35,970 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_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i[4565,4578] [2021-11-07 01:43:35,972 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:43:35,980 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:43:36,043 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:36,043 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:36,044 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:36,045 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:36,045 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:36,053 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:36,054 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:36,055 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:36,056 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:36,104 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:43:36,105 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:43:36,106 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:43:36,107 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:43:36,108 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:43:36,109 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:43:36,109 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:43:36,110 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:43:36,111 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:43:36,112 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:43:36,199 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:43:36,297 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:36,298 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:43:36,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:43:36,647 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:43:36,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:36 WrapperNode [2021-11-07 01:43:36,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:43:36,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:43:36,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:43:36,650 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:43:36,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:36" (1/1) ... [2021-11-07 01:43:36,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:36" (1/1) ... [2021-11-07 01:43:36,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:43:37,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:43:37,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:43:37,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:43:37,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:36" (1/1) ... [2021-11-07 01:43:37,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:36" (1/1) ... [2021-11-07 01:43:37,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:36" (1/1) ... [2021-11-07 01:43:37,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:36" (1/1) ... [2021-11-07 01:43:37,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:36" (1/1) ... [2021-11-07 01:43:37,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:36" (1/1) ... [2021-11-07 01:43:37,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:36" (1/1) ... [2021-11-07 01:43:37,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:43:37,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:43:37,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:43:37,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:43:37,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:36" (1/1) ... [2021-11-07 01:43:37,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:43:37,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:43:37,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:43:37,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:43:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 01:43:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:43:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:43:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:43:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:43:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:43:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:43:37,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:43:37,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 01:43:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:43:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:43:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:43:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:43:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:43:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:43:55,321 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:43:55,321 INFO L299 CfgBuilder]: Removed 142 assume(true) statements. [2021-11-07 01:43:55,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:43:55 BoogieIcfgContainer [2021-11-07 01:43:55,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:43:55,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:43:55,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:43:55,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:43:55,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:43:32" (1/3) ... [2021-11-07 01:43:55,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530a42dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:43:55, skipping insertion in model container [2021-11-07 01:43:55,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:36" (2/3) ... [2021-11-07 01:43:55,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530a42dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:43:55, skipping insertion in model container [2021-11-07 01:43:55,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:43:55" (3/3) ... [2021-11-07 01:43:55,335 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lexical_harness.i [2021-11-07 01:43:55,342 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:43:55,342 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2021-11-07 01:43:55,407 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:43:55,413 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 [2021-11-07 01:43:55,414 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-11-07 01:43:55,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 282 states, 269 states have (on average 1.4721189591078068) internal successors, (396), 281 states have internal predecessors, (396), 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) [2021-11-07 01:43:55,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 01:43:55,450 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:43:55,451 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:43:55,452 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-11-07 01:43:55,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:43:55,458 INFO L85 PathProgramCache]: Analyzing trace with hash -152366096, now seen corresponding path program 1 times [2021-11-07 01:43:55,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:43:55,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [905387041] [2021-11-07 01:43:55,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:43:55,489 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:43:55,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:43:55,495 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:43:55,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:44:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:00,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 1827 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:44:00,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:00,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:44:00,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:01,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:44:01,165 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:44:01,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [905387041] [2021-11-07 01:44:01,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [905387041] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:44:01,166 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:44:01,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:44:01,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97189140] [2021-11-07 01:44:01,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:44:01,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:44:01,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:44:01,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:44:01,197 INFO L87 Difference]: Start difference. First operand has 282 states, 269 states have (on average 1.4721189591078068) internal successors, (396), 281 states have internal predecessors, (396), 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) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 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) [2021-11-07 01:44:01,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:44:01,247 INFO L93 Difference]: Finished difference Result 560 states and 787 transitions. [2021-11-07 01:44:01,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:44:01,249 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 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) Word has length 49 [2021-11-07 01:44:01,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:44:01,264 INFO L225 Difference]: With dead ends: 560 [2021-11-07 01:44:01,265 INFO L226 Difference]: Without dead ends: 275 [2021-11-07 01:44:01,270 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:44:01,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-11-07 01:44:01,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2021-11-07 01:44:01,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 263 states have (on average 1.338403041825095) internal successors, (352), 274 states have internal predecessors, (352), 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) [2021-11-07 01:44:01,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 352 transitions. [2021-11-07 01:44:01,333 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 352 transitions. Word has length 49 [2021-11-07 01:44:01,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:44:01,334 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 352 transitions. [2021-11-07 01:44:01,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 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) [2021-11-07 01:44:01,335 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 352 transitions. [2021-11-07 01:44:01,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 01:44:01,338 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:01,338 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:44:01,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:44:01,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:44:01,559 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-11-07 01:44:01,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:01,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1690407850, now seen corresponding path program 1 times [2021-11-07 01:44:01,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:44:01,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1624560524] [2021-11-07 01:44:01,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:01,564 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:44:01,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:44:01,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:44:01,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:44:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:06,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 1827 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:44:06,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:07,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:44:07,021 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:07,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:44:07,307 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:44:07,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1624560524] [2021-11-07 01:44:07,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1624560524] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:44:07,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:44:07,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:44:07,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186803664] [2021-11-07 01:44:07,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:44:07,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:44:07,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:44:07,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:44:07,311 INFO L87 Difference]: Start difference. First operand 275 states and 352 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2021-11-07 01:44:08,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:44:08,224 INFO L93 Difference]: Finished difference Result 529 states and 677 transitions. [2021-11-07 01:44:08,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:44:08,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) Word has length 49 [2021-11-07 01:44:08,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:44:08,232 INFO L225 Difference]: With dead ends: 529 [2021-11-07 01:44:08,232 INFO L226 Difference]: Without dead ends: 275 [2021-11-07 01:44:08,235 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:44:08,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-11-07 01:44:08,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2021-11-07 01:44:08,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 263 states have (on average 1.3231939163498099) internal successors, (348), 274 states have internal predecessors, (348), 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) [2021-11-07 01:44:08,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 348 transitions. [2021-11-07 01:44:08,258 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 348 transitions. Word has length 49 [2021-11-07 01:44:08,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:44:08,259 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 348 transitions. [2021-11-07 01:44:08,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2021-11-07 01:44:08,259 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 348 transitions. [2021-11-07 01:44:08,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-07 01:44:08,262 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:08,263 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:44:08,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:44:08,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:44:08,476 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-11-07 01:44:08,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:08,477 INFO L85 PathProgramCache]: Analyzing trace with hash -529089996, now seen corresponding path program 1 times [2021-11-07 01:44:08,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:44:08,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [763784971] [2021-11-07 01:44:08,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:08,481 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:44:08,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:44:08,482 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:44:08,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:44:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:13,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 1835 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-07 01:44:13,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:14,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 01:44:14,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 01:44:14,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:44:14,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:15,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 32 [2021-11-07 01:44:15,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:15,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:15,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:44:15,413 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:44:15,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [763784971] [2021-11-07 01:44:15,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [763784971] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:44:15,414 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:44:15,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 10 [2021-11-07 01:44:15,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869986707] [2021-11-07 01:44:15,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:44:15,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:44:15,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:44:15,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:44:15,417 INFO L87 Difference]: Start difference. First operand 275 states and 348 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 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) [2021-11-07 01:44:22,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:44:22,518 INFO L93 Difference]: Finished difference Result 761 states and 967 transitions. [2021-11-07 01:44:22,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:44:22,525 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 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) Word has length 53 [2021-11-07 01:44:22,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:44:22,529 INFO L225 Difference]: With dead ends: 761 [2021-11-07 01:44:22,530 INFO L226 Difference]: Without dead ends: 496 [2021-11-07 01:44:22,531 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:44:22,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2021-11-07 01:44:22,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 275. [2021-11-07 01:44:22,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 263 states have (on average 1.3193916349809887) internal successors, (347), 274 states have internal predecessors, (347), 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) [2021-11-07 01:44:22,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 347 transitions. [2021-11-07 01:44:22,593 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 347 transitions. Word has length 53 [2021-11-07 01:44:22,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:44:22,601 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 347 transitions. [2021-11-07 01:44:22,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 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) [2021-11-07 01:44:22,601 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 347 transitions. [2021-11-07 01:44:22,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 01:44:22,604 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:22,605 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:44:22,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:44:22,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:44:22,824 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-11-07 01:44:22,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:22,825 INFO L85 PathProgramCache]: Analyzing trace with hash -708777313, now seen corresponding path program 1 times [2021-11-07 01:44:22,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:44:22,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [112603029] [2021-11-07 01:44:22,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:22,831 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:44:22,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:44:22,833 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:44:22,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:44:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:28,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 1849 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:44:28,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:28,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:44:28,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:28,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:44:28,947 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:44:28,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [112603029] [2021-11-07 01:44:28,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [112603029] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:44:28,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:44:28,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:44:28,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438330926] [2021-11-07 01:44:28,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:44:28,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:44:28,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:44:28,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:44:28,950 INFO L87 Difference]: Start difference. First operand 275 states and 347 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2021-11-07 01:44:29,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:44:29,800 INFO L93 Difference]: Finished difference Result 502 states and 635 transitions. [2021-11-07 01:44:29,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:44:29,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) Word has length 56 [2021-11-07 01:44:29,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:44:29,803 INFO L225 Difference]: With dead ends: 502 [2021-11-07 01:44:29,804 INFO L226 Difference]: Without dead ends: 275 [2021-11-07 01:44:29,805 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:44:29,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-11-07 01:44:29,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2021-11-07 01:44:29,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 263 states have (on average 1.3041825095057034) internal successors, (343), 274 states have internal predecessors, (343), 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) [2021-11-07 01:44:29,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 343 transitions. [2021-11-07 01:44:29,820 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 343 transitions. Word has length 56 [2021-11-07 01:44:29,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:44:29,821 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 343 transitions. [2021-11-07 01:44:29,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2021-11-07 01:44:29,822 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 343 transitions. [2021-11-07 01:44:29,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 01:44:29,824 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:29,825 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:44:29,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:44:30,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:44:30,048 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-11-07 01:44:30,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:30,049 INFO L85 PathProgramCache]: Analyzing trace with hash -340639878, now seen corresponding path program 1 times [2021-11-07 01:44:30,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:44:30,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [895424187] [2021-11-07 01:44:30,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:30,055 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:44:30,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:44:30,056 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:44:30,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981bf5f8-2ef3-4492-9ff4-c72515cf54c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:44:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:35,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 1853 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-07 01:44:35,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:36,415 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 99 treesize of output 35 [2021-11-07 01:44:36,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:44:36,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:48,896 WARN L207 SmtUtils]: Spent 11.31 s on a formula simplification. DAG size of input: 523 DAG size of output: 269 [2021-11-07 01:44:48,902 INFO L354 Elim1Store]: treesize reduction 837, result has 46.8 percent of original size [2021-11-07 01:44:48,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 128 treesize of output 771