./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_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_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/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_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/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_efc59c78-040c-4460-89df-71c29d73bc9e/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 01d4d945c40a0d8f8226eb600057b7aa267dec29f7781f2da62dc3d7dcc0ef56 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:49:01,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:49:01,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:49:01,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:49:01,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:49:01,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:49:01,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:49:01,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:49:01,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:49:01,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:49:01,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:49:01,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:49:01,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:49:01,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:49:01,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:49:01,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:49:01,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:49:01,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:49:01,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:49:01,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:49:01,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:49:01,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:49:01,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:49:01,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:49:01,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:49:01,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:49:01,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:49:01,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:49:01,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:49:01,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:49:01,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:49:01,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:49:01,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:49:01,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:49:01,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:49:01,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:49:01,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:49:01,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:49:01,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:49:01,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:49:01,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:49:01,148 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:49:01,174 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:49:01,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:49:01,176 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:49:01,176 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:49:01,176 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:49:01,177 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:49:01,177 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:49:01,177 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:49:01,178 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:49:01,178 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:49:01,178 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:49:01,178 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:49:01,179 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:49:01,179 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:49:01,179 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:49:01,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:49:01,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:49:01,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:49:01,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:49:01,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:49:01,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:49:01,182 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:49:01,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:49:01,183 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:49:01,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:49:01,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:49:01,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:49:01,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:49:01,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:49:01,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:49:01,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:49:01,185 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:49:01,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:49:01,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:49:01,186 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:49:01,187 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:49:01,187 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_efc59c78-040c-4460-89df-71c29d73bc9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01d4d945c40a0d8f8226eb600057b7aa267dec29f7781f2da62dc3d7dcc0ef56 [2021-11-07 01:49:01,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:49:01,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:49:01,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:49:01,562 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:49:01,563 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:49:01,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i [2021-11-07 01:49:01,669 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/data/dedf74dbe/c8ed303a12e74f8e8e7feac0613e952e/FLAGb864cff50 [2021-11-07 01:49:02,635 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:49:02,636 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i [2021-11-07 01:49:02,689 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/data/dedf74dbe/c8ed303a12e74f8e8e7feac0613e952e/FLAGb864cff50 [2021-11-07 01:49:03,058 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/data/dedf74dbe/c8ed303a12e74f8e8e7feac0613e952e [2021-11-07 01:49:03,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:49:03,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:49:03,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:49:03,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:49:03,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:49:03,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:49:03" (1/1) ... [2021-11-07 01:49:03,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ab414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:03, skipping insertion in model container [2021-11-07 01:49:03,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:49:03" (1/1) ... [2021-11-07 01:49:03,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:49:03,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:49:03,555 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_efc59c78-040c-4460-89df-71c29d73bc9e/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i[4494,4507] [2021-11-07 01:49:03,563 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_efc59c78-040c-4460-89df-71c29d73bc9e/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i[4554,4567] [2021-11-07 01:49:03,591 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:49:03,598 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:49:04,709 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:04,710 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:04,711 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:04,712 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:04,714 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:04,733 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:04,735 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:04,737 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:04,738 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:05,296 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:49:05,297 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:49:05,299 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:49:05,300 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:49:05,302 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:49:05,303 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:49:05,304 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:49:05,305 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:49:05,305 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:49:05,306 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:49:05,580 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:49:05,779 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:05,801 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:05,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:49:05,986 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 01:49:05,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50554f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:05, skipping insertion in model container [2021-11-07 01:49:05,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:49:05,988 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:49:05,991 INFO L168 Benchmark]: Toolchain (without parser) took 2925.99 ms. Allocated memory was 104.9 MB in the beginning and 138.4 MB in the end (delta: 33.6 MB). Free memory was 56.9 MB in the beginning and 87.4 MB in the end (delta: -30.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:49:05,992 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 104.9 MB. Free memory is still 83.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:49:05,993 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2922.33 ms. Allocated memory was 104.9 MB in the beginning and 138.4 MB in the end (delta: 33.6 MB). Free memory was 56.7 MB in the beginning and 87.4 MB in the end (delta: -30.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:49:05,995 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 104.9 MB. Free memory is still 83.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2922.33 ms. Allocated memory was 104.9 MB in the beginning and 138.4 MB in the end (delta: 33.6 MB). Free memory was 56.7 MB in the beginning and 87.4 MB in the end (delta: -30.7 MB). Peak memory consumption was 17.9 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_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/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_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/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_efc59c78-040c-4460-89df-71c29d73bc9e/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 01d4d945c40a0d8f8226eb600057b7aa267dec29f7781f2da62dc3d7dcc0ef56 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:49:08,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:49:08,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:49:08,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:49:08,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:49:08,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:49:08,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:49:08,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:49:08,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:49:08,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:49:08,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:49:08,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:49:08,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:49:08,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:49:08,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:49:08,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:49:08,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:49:08,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:49:08,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:49:08,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:49:08,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:49:08,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:49:08,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:49:08,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:49:09,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:49:09,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:49:09,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:49:09,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:49:09,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:49:09,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:49:09,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:49:09,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:49:09,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:49:09,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:49:09,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:49:09,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:49:09,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:49:09,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:49:09,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:49:09,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:49:09,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:49:09,026 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:49:09,082 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:49:09,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:49:09,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:49:09,085 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:49:09,085 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:49:09,085 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:49:09,086 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:49:09,086 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:49:09,086 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:49:09,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:49:09,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:49:09,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:49:09,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:49:09,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:49:09,091 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:49:09,091 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:49:09,091 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:49:09,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:49:09,092 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:49:09,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:49:09,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:49:09,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:49:09,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:49:09,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:49:09,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:49:09,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:49:09,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:49:09,095 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:49:09,095 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:49:09,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:49:09,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:49:09,096 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:49:09,096 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_efc59c78-040c-4460-89df-71c29d73bc9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01d4d945c40a0d8f8226eb600057b7aa267dec29f7781f2da62dc3d7dcc0ef56 [2021-11-07 01:49:09,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:49:09,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:49:09,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:49:09,573 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:49:09,574 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:49:09,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i [2021-11-07 01:49:09,668 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/data/54842e764/3e82047302c146269fbd119f3cb0f8cd/FLAGadef7d8da [2021-11-07 01:49:10,879 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:49:10,881 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i [2021-11-07 01:49:10,926 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/data/54842e764/3e82047302c146269fbd119f3cb0f8cd/FLAGadef7d8da [2021-11-07 01:49:11,200 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/data/54842e764/3e82047302c146269fbd119f3cb0f8cd [2021-11-07 01:49:11,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:49:11,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:49:11,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:49:11,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:49:11,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:49:11,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:49:11" (1/1) ... [2021-11-07 01:49:11,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@792929ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:11, skipping insertion in model container [2021-11-07 01:49:11,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:49:11" (1/1) ... [2021-11-07 01:49:11,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:49:11,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:49:11,809 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_efc59c78-040c-4460-89df-71c29d73bc9e/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i[4494,4507] [2021-11-07 01:49:11,818 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_efc59c78-040c-4460-89df-71c29d73bc9e/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i[4554,4567] [2021-11-07 01:49:11,857 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:49:11,875 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:49:13,218 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:13,220 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:13,222 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:13,223 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:13,225 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:13,251 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:13,256 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:13,259 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:13,260 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:13,788 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:49:13,802 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:49:13,804 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:49:13,807 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:49:13,809 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:49:13,809 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:49:13,810 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:49:13,811 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:49:13,812 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:49:13,812 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:49:14,033 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:49:14,166 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:14,167 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:14,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:49:14,392 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:49:14,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:49:14,499 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_efc59c78-040c-4460-89df-71c29d73bc9e/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i[4494,4507] [2021-11-07 01:49:14,506 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_efc59c78-040c-4460-89df-71c29d73bc9e/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i[4554,4567] [2021-11-07 01:49:14,508 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:49:14,509 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:49:14,603 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:14,604 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:14,605 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:14,606 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:14,607 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:14,627 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:14,634 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:14,636 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:14,637 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:14,718 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:49:14,719 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:49:14,719 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:49:14,721 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:49:14,722 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:49:14,723 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:49:14,723 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:49:14,724 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:49:14,724 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:49:14,725 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:49:14,765 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:49:14,872 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:14,873 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:14,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:49:14,998 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:49:15,029 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_efc59c78-040c-4460-89df-71c29d73bc9e/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i[4494,4507] [2021-11-07 01:49:15,029 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_efc59c78-040c-4460-89df-71c29d73bc9e/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i[4554,4567] [2021-11-07 01:49:15,031 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:49:15,032 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:49:15,085 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:15,086 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:15,086 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:15,087 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:15,087 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:15,095 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:15,096 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:15,097 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:15,097 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:15,134 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:49:15,135 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:49:15,135 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:49:15,136 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:49:15,137 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:49:15,138 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:49:15,139 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:49:15,140 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:49:15,140 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:49:15,141 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:49:15,171 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:49:15,289 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:15,290 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:49:15,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:49:15,722 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:49:15,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:15 WrapperNode [2021-11-07 01:49:15,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:49:15,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:49:15,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:49:15,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:49:15,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:15" (1/1) ... [2021-11-07 01:49:15,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:15" (1/1) ... [2021-11-07 01:49:16,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:49:16,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:49:16,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:49:16,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:49:16,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:15" (1/1) ... [2021-11-07 01:49:16,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:15" (1/1) ... [2021-11-07 01:49:16,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:15" (1/1) ... [2021-11-07 01:49:16,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:15" (1/1) ... [2021-11-07 01:49:16,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:15" (1/1) ... [2021-11-07 01:49:16,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:15" (1/1) ... [2021-11-07 01:49:16,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:15" (1/1) ... [2021-11-07 01:49:16,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:49:16,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:49:16,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:49:16,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:49:16,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:15" (1/1) ... [2021-11-07 01:49:16,198 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:49:16,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:49:16,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:49:16,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:49:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:49:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:49:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:49:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 01:49:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2021-11-07 01:49:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:49:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:49:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-07 01:49:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-07 01:49:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 01:49:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 01:49:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:49:16,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:49:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 01:49:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:49:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 01:49:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 01:49:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:49:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:49:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:49:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:49:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:49:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE8 [2021-11-07 01:49:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE4 [2021-11-07 01:49:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2021-11-07 01:49:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 01:49:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 01:49:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 01:49:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 01:49:37,550 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:49:37,551 INFO L299 CfgBuilder]: Removed 88 assume(true) statements. [2021-11-07 01:49:37,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:49:37 BoogieIcfgContainer [2021-11-07 01:49:37,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:49:37,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:49:37,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:49:37,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:49:37,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:49:11" (1/3) ... [2021-11-07 01:49:37,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c0800e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:49:37, skipping insertion in model container [2021-11-07 01:49:37,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:15" (2/3) ... [2021-11-07 01:49:37,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c0800e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:49:37, skipping insertion in model container [2021-11-07 01:49:37,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:49:37" (3/3) ... [2021-11-07 01:49:37,569 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_harness.i [2021-11-07 01:49:37,576 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:49:37,576 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2021-11-07 01:49:37,662 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:49:37,671 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 01:49:37,672 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-11-07 01:49:37,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 173 states have (on average 1.4855491329479769) internal successors, (257), 184 states have internal predecessors, (257), 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 01:49:37,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-07 01:49:37,723 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:37,724 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] [2021-11-07 01:49:37,724 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 01:49:37,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:37,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1793759102, now seen corresponding path program 1 times [2021-11-07 01:49:37,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:37,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2127534982] [2021-11-07 01:49:37,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:37,763 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:37,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:37,768 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:37,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:49:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:42,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 1811 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:49:42,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:42,741 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 01:49:42,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:42,896 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 01:49:42,897 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:42,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2127534982] [2021-11-07 01:49:42,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2127534982] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:42,898 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:42,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:49:42,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196371627] [2021-11-07 01:49:42,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:49:42,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:42,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:49:42,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:49:42,922 INFO L87 Difference]: Start difference. First operand has 185 states, 173 states have (on average 1.4855491329479769) internal successors, (257), 184 states have internal predecessors, (257), 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 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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 01:49:42,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:42,955 INFO L93 Difference]: Finished difference Result 367 states and 510 transitions. [2021-11-07 01:49:42,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:49:42,956 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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 38 [2021-11-07 01:49:42,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:42,970 INFO L225 Difference]: With dead ends: 367 [2021-11-07 01:49:42,972 INFO L226 Difference]: Without dead ends: 177 [2021-11-07 01:49:42,977 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 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 01:49:42,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-11-07 01:49:43,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2021-11-07 01:49:43,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 166 states have (on average 1.3614457831325302) internal successors, (226), 176 states have internal predecessors, (226), 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 01:49:43,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 226 transitions. [2021-11-07 01:49:43,044 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 226 transitions. Word has length 38 [2021-11-07 01:49:43,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:43,045 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 226 transitions. [2021-11-07 01:49:43,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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 01:49:43,045 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 226 transitions. [2021-11-07 01:49:43,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-07 01:49:43,048 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:43,048 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] [2021-11-07 01:49:43,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:43,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:43,262 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 01:49:43,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:43,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1799806660, now seen corresponding path program 1 times [2021-11-07 01:49:43,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:43,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [320852400] [2021-11-07 01:49:43,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:43,270 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:43,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:43,272 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:43,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:49:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:47,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 1811 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:49:47,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:47,836 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 01:49:47,836 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:48,075 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 01:49:48,075 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:48,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [320852400] [2021-11-07 01:49:48,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [320852400] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:48,076 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:48,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:49:48,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070579885] [2021-11-07 01:49:48,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:49:48,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:48,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:49:48,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:49:48,079 INFO L87 Difference]: Start difference. First operand 177 states and 226 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 01:49:48,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:48,430 INFO L93 Difference]: Finished difference Result 333 states and 425 transitions. [2021-11-07 01:49:48,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:49:48,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 38 [2021-11-07 01:49:48,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:48,436 INFO L225 Difference]: With dead ends: 333 [2021-11-07 01:49:48,437 INFO L226 Difference]: Without dead ends: 177 [2021-11-07 01:49:48,438 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 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 01:49:48,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-11-07 01:49:48,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2021-11-07 01:49:48,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 166 states have (on average 1.3433734939759037) internal successors, (223), 176 states have internal predecessors, (223), 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 01:49:48,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 223 transitions. [2021-11-07 01:49:48,452 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 223 transitions. Word has length 38 [2021-11-07 01:49:48,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:48,452 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 223 transitions. [2021-11-07 01:49:48,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 01:49:48,453 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 223 transitions. [2021-11-07 01:49:48,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-07 01:49:48,455 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:48,455 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] [2021-11-07 01:49:48,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:48,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:48,670 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 01:49:48,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:48,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1750210556, now seen corresponding path program 1 times [2021-11-07 01:49:48,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:48,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [913482695] [2021-11-07 01:49:48,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:48,688 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:48,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:48,689 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:48,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:49:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:53,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 1819 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:49:53,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:53,692 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 01:49:53,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:53,998 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 01:49:53,998 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:53,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [913482695] [2021-11-07 01:49:53,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [913482695] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:53,999 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:53,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:49:53,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794676793] [2021-11-07 01:49:54,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:49:54,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:54,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:49:54,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:49:54,001 INFO L87 Difference]: Start difference. First operand 177 states and 223 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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 01:49:54,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:54,393 INFO L93 Difference]: Finished difference Result 298 states and 375 transitions. [2021-11-07 01:49:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:49:54,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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 42 [2021-11-07 01:49:54,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:54,401 INFO L225 Difference]: With dead ends: 298 [2021-11-07 01:49:54,401 INFO L226 Difference]: Without dead ends: 177 [2021-11-07 01:49:54,404 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:49:54,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-11-07 01:49:54,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2021-11-07 01:49:54,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 166 states have (on average 1.3253012048192772) internal successors, (220), 176 states have internal predecessors, (220), 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 01:49:54,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 220 transitions. [2021-11-07 01:49:54,430 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 220 transitions. Word has length 42 [2021-11-07 01:49:54,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:54,431 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 220 transitions. [2021-11-07 01:49:54,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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 01:49:54,431 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 220 transitions. [2021-11-07 01:49:54,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 01:49:54,441 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:54,441 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] [2021-11-07 01:49:54,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:54,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:54,642 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 01:49:54,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:54,642 INFO L85 PathProgramCache]: Analyzing trace with hash -62787625, now seen corresponding path program 1 times [2021-11-07 01:49:54,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:54,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1422888432] [2021-11-07 01:49:54,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:54,646 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:54,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:54,647 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:54,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:49:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:59,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 1823 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-07 01:49:59,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:50:00,724 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:50:00,725 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 155 treesize of output 59 [2021-11-07 01:50:00,862 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 01:50:00,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:50:12,836 WARN L207 SmtUtils]: Spent 11.13 s on a formula simplification. DAG size of input: 523 DAG size of output: 169 [2021-11-07 01:50:12,840 INFO L354 Elim1Store]: treesize reduction 1138, result has 27.7 percent of original size [2021-11-07 01:50:12,841 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 470 [2021-11-07 01:56:44,375 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 01:56:44,375 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:56:44,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1422888432] [2021-11-07 01:56:44,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1422888432] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:56:44,376 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:56:44,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 14 [2021-11-07 01:56:44,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621569899] [2021-11-07 01:56:44,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-07 01:56:44,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:56:44,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 01:56:44,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-07 01:56:44,378 INFO L87 Difference]: Start difference. First operand 177 states and 220 transitions. Second operand has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 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 01:57:22,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:57:22,680 INFO L93 Difference]: Finished difference Result 518 states and 639 transitions. [2021-11-07 01:57:22,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 01:57:22,684 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 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 44 [2021-11-07 01:57:22,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:57:22,687 INFO L225 Difference]: With dead ends: 518 [2021-11-07 01:57:22,687 INFO L226 Difference]: Without dead ends: 375 [2021-11-07 01:57:22,688 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2021-11-07 01:57:22,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2021-11-07 01:57:22,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 210. [2021-11-07 01:57:22,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 199 states have (on average 1.3015075376884422) internal successors, (259), 209 states have internal predecessors, (259), 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 01:57:22,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 259 transitions. [2021-11-07 01:57:22,709 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 259 transitions. Word has length 44 [2021-11-07 01:57:22,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:57:22,710 INFO L470 AbstractCegarLoop]: Abstraction has 210 states and 259 transitions. [2021-11-07 01:57:22,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 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 01:57:22,711 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 259 transitions. [2021-11-07 01:57:22,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 01:57:22,712 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:57:22,712 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] [2021-11-07 01:57:22,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-07 01:57:22,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:57:22,930 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 01:57:22,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:57:22,930 INFO L85 PathProgramCache]: Analyzing trace with hash -872134251, now seen corresponding path program 1 times [2021-11-07 01:57:22,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:57:22,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [341346780] [2021-11-07 01:57:22,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:57:22,934 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:57:22,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:57:22,935 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:57:22,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:57:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:57:28,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 1821 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:57:28,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:57:28,794 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 01:57:28,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:57:29,176 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 01:57:29,177 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:57:29,177 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [341346780] [2021-11-07 01:57:29,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [341346780] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:57:29,178 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:57:29,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-07 01:57:29,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752764531] [2021-11-07 01:57:29,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:57:29,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:57:29,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:57:29,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:57:29,180 INFO L87 Difference]: Start difference. First operand 210 states and 259 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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 01:57:31,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:57:31,989 INFO L93 Difference]: Finished difference Result 428 states and 526 transitions. [2021-11-07 01:57:31,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:57:31,993 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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 44 [2021-11-07 01:57:31,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:57:31,996 INFO L225 Difference]: With dead ends: 428 [2021-11-07 01:57:31,996 INFO L226 Difference]: Without dead ends: 324 [2021-11-07 01:57:31,997 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:57:31,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-11-07 01:57:32,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 212. [2021-11-07 01:57:32,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 201 states have (on average 1.2985074626865671) internal successors, (261), 211 states have internal predecessors, (261), 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 01:57:32,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 261 transitions. [2021-11-07 01:57:32,013 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 261 transitions. Word has length 44 [2021-11-07 01:57:32,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:57:32,014 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 261 transitions. [2021-11-07 01:57:32,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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 01:57:32,015 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 261 transitions. [2021-11-07 01:57:32,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-07 01:57:32,016 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:57:32,016 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] [2021-11-07 01:57:32,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-07 01:57:32,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:57:32,242 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 01:57:32,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:57:32,242 INFO L85 PathProgramCache]: Analyzing trace with hash -529441823, now seen corresponding path program 1 times [2021-11-07 01:57:32,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:57:32,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1428538401] [2021-11-07 01:57:32,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:57:32,247 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:57:32,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:57:32,247 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:57:32,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:57:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:57:37,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 1840 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:57:37,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:57:37,712 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 01:57:37,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:57:38,004 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 01:57:38,004 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:57:38,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1428538401] [2021-11-07 01:57:38,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1428538401] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:57:38,005 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:57:38,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-07 01:57:38,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417261006] [2021-11-07 01:57:38,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:57:38,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:57:38,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:57:38,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:57:38,007 INFO L87 Difference]: Start difference. First operand 212 states and 261 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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 01:57:40,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:57:40,793 INFO L93 Difference]: Finished difference Result 428 states and 525 transitions. [2021-11-07 01:57:40,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 01:57:40,798 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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 45 [2021-11-07 01:57:40,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:57:40,800 INFO L225 Difference]: With dead ends: 428 [2021-11-07 01:57:40,800 INFO L226 Difference]: Without dead ends: 324 [2021-11-07 01:57:40,801 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:57:40,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-11-07 01:57:40,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 210. [2021-11-07 01:57:40,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 199 states have (on average 1.2964824120603016) internal successors, (258), 209 states have internal predecessors, (258), 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 01:57:40,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 258 transitions. [2021-11-07 01:57:40,814 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 258 transitions. Word has length 45 [2021-11-07 01:57:40,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:57:40,815 INFO L470 AbstractCegarLoop]: Abstraction has 210 states and 258 transitions. [2021-11-07 01:57:40,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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 01:57:40,816 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 258 transitions. [2021-11-07 01:57:40,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-07 01:57:40,817 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:57:40,817 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] [2021-11-07 01:57:40,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:57:41,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:57:41,042 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 01:57:41,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:57:41,042 INFO L85 PathProgramCache]: Analyzing trace with hash 2001336784, now seen corresponding path program 1 times [2021-11-07 01:57:41,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:57:41,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398982234] [2021-11-07 01:57:41,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:57:41,071 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:57:41,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:57:41,072 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:57:41,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:57:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:57:46,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:57:46,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:57:46,583 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 01:57:46,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:57:46,757 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 01:57:46,757 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:57:46,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398982234] [2021-11-07 01:57:46,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1398982234] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:57:46,758 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:57:46,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-07 01:57:46,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348102196] [2021-11-07 01:57:46,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:57:46,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:57:46,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:57:46,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:57:46,760 INFO L87 Difference]: Start difference. First operand 210 states and 258 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 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 01:57:48,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:57:48,173 INFO L93 Difference]: Finished difference Result 369 states and 443 transitions. [2021-11-07 01:57:48,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:57:48,173 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 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 46 [2021-11-07 01:57:48,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:57:48,176 INFO L225 Difference]: With dead ends: 369 [2021-11-07 01:57:48,177 INFO L226 Difference]: Without dead ends: 359 [2021-11-07 01:57:48,177 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:57:48,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2021-11-07 01:57:48,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 230. [2021-11-07 01:57:48,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 219 states have (on average 1.269406392694064) internal successors, (278), 229 states have internal predecessors, (278), 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 01:57:48,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 278 transitions. [2021-11-07 01:57:48,191 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 278 transitions. Word has length 46 [2021-11-07 01:57:48,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:57:48,191 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 278 transitions. [2021-11-07 01:57:48,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 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 01:57:48,192 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 278 transitions. [2021-11-07 01:57:48,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 01:57:48,192 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:57:48,193 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] [2021-11-07 01:57:48,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:57:48,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:57:48,395 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 01:57:48,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:57:48,396 INFO L85 PathProgramCache]: Analyzing trace with hash 2094852360, now seen corresponding path program 1 times [2021-11-07 01:57:48,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:57:48,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674939460] [2021-11-07 01:57:48,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:57:48,400 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:57:48,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:57:48,401 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:57:48,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc59c78-040c-4460-89df-71c29d73bc9e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:58:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:32,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 1834 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-07 01:58:32,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:33,329 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:58:33,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 105 treesize of output 114 [2021-11-07 01:58:33,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:58:33,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:58:33,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:58:33,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:58:33,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:58:33,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:58:33,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:58:33,575 INFO L354 Elim1Store]: treesize reduction 136, result has 29.5 percent of original size [2021-11-07 01:58:33,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 90 treesize of output 138 [2021-11-07 01:58:33,955 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 01:58:33,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:34,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:58:34,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 511 [2021-11-07 01:58:36,537 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base| (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 8))) (= (_ bv0 64) (let ((.cse0 (select (store |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base| (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base|) (bvadd (_ bv8 64) |c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.offset|) v_DerPreprocessor_1) |c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.offset| ((_ extract 7 0) (_ bv0 64))) (bvadd (_ bv1 64) |c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.offset|) ((_ extract 15 8) (_ bv0 64))) (bvadd (_ bv2 64) |c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.offset|) ((_ extract 23 16) (_ bv0 64))) (bvadd (_ bv3 64) |c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.offset|) ((_ extract 31 24) (_ bv0 64))) (bvadd (_ bv4 64) |c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.offset|) ((_ extract 39 32) (_ bv0 64))) (bvadd |c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.offset| (_ bv5 64)) ((_ extract 47 40) (_ bv0 64))) (bvadd |c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.offset| (_ bv6 64)) ((_ extract 55 48) (_ bv0 64))) (bvadd (_ bv7 64) |c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.offset|) ((_ extract 63 56) (_ bv0 64)))) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd (_ bv7 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset)) (select .cse0 (bvadd (_ bv6 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 (bvadd (_ bv5 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 (bvadd (_ bv4 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 (bvadd (_ bv3 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 (bvadd (_ bv2 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 (bvadd (_ bv1 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))))) is different from false [2021-11-07 01:58:38,667 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base| (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 8))) (= (_ bv0 64) (let ((.cse0 (select (store |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base| (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base|) (_ bv8 64) v_DerPreprocessor_1) (_ bv0 64) ((_ extract 7 0) (_ bv0 64))) (_ bv1 64) ((_ extract 15 8) (_ bv0 64))) (_ bv2 64) ((_ extract 23 16) (_ bv0 64))) (_ bv3 64) ((_ extract 31 24) (_ bv0 64))) (_ bv4 64) ((_ extract 39 32) (_ bv0 64))) (_ bv5 64) ((_ extract 47 40) (_ bv0 64))) (_ bv6 64) ((_ extract 55 48) (_ bv0 64))) (_ bv7 64) ((_ extract 63 56) (_ bv0 64)))) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd (_ bv7 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset)) (select .cse0 (bvadd (_ bv6 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 (bvadd (_ bv5 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 (bvadd (_ bv4 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 (bvadd (_ bv3 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 (bvadd (_ bv2 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 (bvadd (_ bv1 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))))) is different from false [2021-11-07 01:58:40,922 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base| (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 8))) (= (let ((.cse0 (select (store |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base| (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base|) (_ bv8 64) v_DerPreprocessor_1) (_ bv0 64) ((_ extract 7 0) (_ bv0 64))) (_ bv1 64) ((_ extract 15 8) (_ bv0 64))) (_ bv2 64) ((_ extract 23 16) (_ bv0 64))) (_ bv3 64) ((_ extract 31 24) (_ bv0 64))) (_ bv4 64) ((_ extract 39 32) (_ bv0 64))) (_ bv5 64) ((_ extract 47 40) (_ bv0 64))) (_ bv6 64) ((_ extract 55 48) (_ bv0 64))) (_ bv7 64) ((_ extract 63 56) (_ bv0 64)))) c_ULTIMATE.start_aws_byte_cursor_read_~cur.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd c_ULTIMATE.start_aws_byte_cursor_read_~cur.offset (_ bv7 64))) (select .cse0 (bvadd c_ULTIMATE.start_aws_byte_cursor_read_~cur.offset (_ bv6 64)))) (select .cse0 (bvadd c_ULTIMATE.start_aws_byte_cursor_read_~cur.offset (_ bv5 64)))) (select .cse0 (bvadd (_ bv4 64) c_ULTIMATE.start_aws_byte_cursor_read_~cur.offset))) (select .cse0 (bvadd (_ bv3 64) c_ULTIMATE.start_aws_byte_cursor_read_~cur.offset))) (select .cse0 (bvadd (_ bv2 64) c_ULTIMATE.start_aws_byte_cursor_read_~cur.offset))) (select .cse0 (bvadd (_ bv1 64) c_ULTIMATE.start_aws_byte_cursor_read_~cur.offset))) (select .cse0 c_ULTIMATE.start_aws_byte_cursor_read_~cur.offset))) (_ bv0 64))) is different from false [2021-11-07 01:58:43,233 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base| (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 8))) (= (_ bv0 64) (let ((.cse0 (select (store |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base| (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base|) (_ bv8 64) v_DerPreprocessor_1) (_ bv0 64) ((_ extract 7 0) (_ bv0 64))) (_ bv1 64) ((_ extract 15 8) (_ bv0 64))) (_ bv2 64) ((_ extract 23 16) (_ bv0 64))) (_ bv3 64) ((_ extract 31 24) (_ bv0 64))) (_ bv4 64) ((_ extract 39 32) (_ bv0 64))) (_ bv5 64) ((_ extract 47 40) (_ bv0 64))) (_ bv6 64) ((_ extract 55 48) (_ bv0 64))) (_ bv7 64) ((_ extract 63 56) (_ bv0 64)))) |c_ULTIMATE.start_aws_byte_cursor_read_harness_~#cur~3.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd |c_ULTIMATE.start_aws_byte_cursor_read_harness_~#cur~3.offset| (_ bv7 64))) (select .cse0 (bvadd |c_ULTIMATE.start_aws_byte_cursor_read_harness_~#cur~3.offset| (_ bv6 64)))) (select .cse0 (bvadd |c_ULTIMATE.start_aws_byte_cursor_read_harness_~#cur~3.offset| (_ bv5 64)))) (select .cse0 (bvadd |c_ULTIMATE.start_aws_byte_cursor_read_harness_~#cur~3.offset| (_ bv4 64)))) (select .cse0 (bvadd (_ bv3 64) |c_ULTIMATE.start_aws_byte_cursor_read_harness_~#cur~3.offset|))) (select .cse0 (bvadd |c_ULTIMATE.start_aws_byte_cursor_read_harness_~#cur~3.offset| (_ bv2 64)))) (select .cse0 (bvadd |c_ULTIMATE.start_aws_byte_cursor_read_harness_~#cur~3.offset| (_ bv1 64)))) (select .cse0 |c_ULTIMATE.start_aws_byte_cursor_read_harness_~#cur~3.offset|))))) is different from false