./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_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_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/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_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/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_7178acbf-d3fa-4759-b1c1-7e86563134f2/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 926c219674f55200b40d9809e5b1fdaded5b761814321598aab4b2039c1325ea --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:10:06,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:10:06,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:10:06,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:10:06,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:10:06,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:10:06,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:10:06,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:10:06,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:10:06,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:10:06,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:10:06,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:10:06,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:10:06,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:10:06,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:10:06,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:10:06,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:10:06,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:10:06,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:10:06,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:10:06,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:10:06,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:10:06,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:10:06,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:10:06,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:10:06,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:10:06,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:10:06,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:10:06,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:10:06,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:10:06,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:10:06,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:10:06,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:10:06,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:10:06,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:10:06,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:10:06,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:10:06,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:10:06,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:10:06,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:10:06,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:10:06,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 02:10:06,307 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:10:06,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:10:06,309 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:10:06,309 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:10:06,310 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:10:06,310 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:10:06,311 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:10:06,311 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:10:06,312 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:10:06,312 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:10:06,313 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:10:06,313 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:10:06,313 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:10:06,314 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:10:06,314 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:10:06,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:10:06,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:10:06,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:10:06,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:10:06,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:10:06,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:10:06,317 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:10:06,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:10:06,317 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:10:06,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:10:06,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:10:06,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:10:06,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:10:06,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:10:06,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:10:06,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:10:06,320 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:10:06,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:10:06,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:10:06,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:10:06,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:10:06,321 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_7178acbf-d3fa-4759-b1c1-7e86563134f2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 926c219674f55200b40d9809e5b1fdaded5b761814321598aab4b2039c1325ea [2021-11-07 02:10:06,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:10:06,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:10:06,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:10:06,649 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:10:06,650 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:10:06,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness.i [2021-11-07 02:10:06,718 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/data/13d82f899/eae66c3ce26345a0b6276b1043bc60ad/FLAG5026db289 [2021-11-07 02:10:07,717 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:10:07,717 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness.i [2021-11-07 02:10:07,778 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/data/13d82f899/eae66c3ce26345a0b6276b1043bc60ad/FLAG5026db289 [2021-11-07 02:10:08,097 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/data/13d82f899/eae66c3ce26345a0b6276b1043bc60ad [2021-11-07 02:10:08,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:10:08,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:10:08,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:10:08,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:10:08,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:10:08,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:10:08" (1/1) ... [2021-11-07 02:10:08,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b23ac6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:08, skipping insertion in model container [2021-11-07 02:10:08,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:10:08" (1/1) ... [2021-11-07 02:10:08,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:10:08,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:10:08,690 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_7178acbf-d3fa-4759-b1c1-7e86563134f2/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness.i[4497,4510] [2021-11-07 02:10:08,705 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_7178acbf-d3fa-4759-b1c1-7e86563134f2/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness.i[4557,4570] [2021-11-07 02:10:08,736 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:10:08,742 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:10:09,765 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:09,766 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:09,767 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:09,768 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:09,769 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:09,787 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:09,787 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:09,790 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:09,791 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:10,399 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:10:10,400 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:10:10,402 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:10:10,403 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:10:10,405 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:10:10,406 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:10:10,407 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:10:10,408 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:10:10,409 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:10:10,409 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:10:10,683 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:10:10,906 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:10,907 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:10,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:10:11,047 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 02:10:11,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@460eaa8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:11, skipping insertion in model container [2021-11-07 02:10:11,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:10:11,050 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:10:11,053 INFO L168 Benchmark]: Toolchain (without parser) took 2949.11 ms. Allocated memory was 104.9 MB in the beginning and 134.2 MB in the end (delta: 29.4 MB). Free memory was 75.8 MB in the beginning and 82.9 MB in the end (delta: -7.2 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. [2021-11-07 02:10:11,054 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 104.9 MB. Free memory is still 79.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:10:11,055 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2946.27 ms. Allocated memory was 104.9 MB in the beginning and 134.2 MB in the end (delta: 29.4 MB). Free memory was 75.5 MB in the beginning and 82.9 MB in the end (delta: -7.4 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. [2021-11-07 02:10:11,059 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 104.9 MB. Free memory is still 79.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2946.27 ms. Allocated memory was 104.9 MB in the beginning and 134.2 MB in the end (delta: 29.4 MB). Free memory was 75.5 MB in the beginning and 82.9 MB in the end (delta: -7.4 MB). Peak memory consumption was 35.9 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_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/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_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/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_7178acbf-d3fa-4759-b1c1-7e86563134f2/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 926c219674f55200b40d9809e5b1fdaded5b761814321598aab4b2039c1325ea --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:10:13,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:10:13,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:10:13,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:10:13,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:10:13,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:10:13,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:10:13,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:10:13,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:10:13,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:10:13,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:10:13,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:10:13,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:10:13,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:10:13,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:10:13,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:10:13,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:10:13,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:10:13,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:10:13,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:10:13,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:10:13,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:10:13,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:10:13,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:10:13,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:10:13,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:10:13,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:10:13,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:10:13,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:10:13,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:10:13,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:10:13,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:10:13,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:10:13,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:10:13,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:10:13,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:10:13,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:10:13,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:10:13,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:10:13,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:10:13,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:10:13,807 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 02:10:13,839 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:10:13,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:10:13,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:10:13,841 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:10:13,842 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:10:13,842 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:10:13,842 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:10:13,843 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:10:13,843 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:10:13,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:10:13,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:10:13,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:10:13,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:10:13,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:10:13,846 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:10:13,846 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:10:13,846 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:10:13,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:10:13,847 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:10:13,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:10:13,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:10:13,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:10:13,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:10:13,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:10:13,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:10:13,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:10:13,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:10:13,848 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:10:13,849 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:10:13,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:10:13,849 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:10:13,849 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:10:13,849 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_7178acbf-d3fa-4759-b1c1-7e86563134f2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 926c219674f55200b40d9809e5b1fdaded5b761814321598aab4b2039c1325ea [2021-11-07 02:10:14,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:10:14,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:10:14,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:10:14,287 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:10:14,289 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:10:14,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness.i [2021-11-07 02:10:14,385 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/data/839e46b34/b5d7d39d1bd649f69fd5250e2384ea6f/FLAG3125e8931 [2021-11-07 02:10:15,419 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:10:15,419 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness.i [2021-11-07 02:10:15,489 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/data/839e46b34/b5d7d39d1bd649f69fd5250e2384ea6f/FLAG3125e8931 [2021-11-07 02:10:15,843 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/data/839e46b34/b5d7d39d1bd649f69fd5250e2384ea6f [2021-11-07 02:10:15,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:10:15,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:10:15,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:10:15,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:10:15,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:10:15,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:10:15" (1/1) ... [2021-11-07 02:10:15,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc84b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:15, skipping insertion in model container [2021-11-07 02:10:15,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:10:15" (1/1) ... [2021-11-07 02:10:15,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:10:16,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:10:16,418 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_7178acbf-d3fa-4759-b1c1-7e86563134f2/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness.i[4497,4510] [2021-11-07 02:10:16,431 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_7178acbf-d3fa-4759-b1c1-7e86563134f2/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness.i[4557,4570] [2021-11-07 02:10:16,465 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:10:16,482 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:10:17,778 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:17,779 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:17,780 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:17,781 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:17,787 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:17,828 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:17,829 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:17,831 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:17,831 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:18,345 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:10:18,347 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:10:18,348 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:10:18,349 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:10:18,351 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:10:18,352 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:10:18,353 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:10:18,354 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:10:18,354 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:10:18,355 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:10:18,590 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:10:18,777 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:18,794 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:18,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:10:18,966 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:10:19,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:10:19,042 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness.i[4497,4510] [2021-11-07 02:10:19,042 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness.i[4557,4570] [2021-11-07 02:10:19,046 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:10:19,047 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:10:19,102 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,102 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,103 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,103 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,104 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,122 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,123 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,124 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,125 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,188 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:10:19,189 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:10:19,190 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:10:19,191 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:10:19,192 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:10:19,193 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:10:19,198 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:10:19,198 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:10:19,199 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:10:19,199 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:10:19,244 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:10:19,353 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,354 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:10:19,441 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:10:19,471 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_7178acbf-d3fa-4759-b1c1-7e86563134f2/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness.i[4497,4510] [2021-11-07 02:10:19,471 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_7178acbf-d3fa-4759-b1c1-7e86563134f2/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness.i[4557,4570] [2021-11-07 02:10:19,473 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:10:19,474 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:10:19,519 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,521 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,521 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,522 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,522 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,530 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,531 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,532 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,533 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,566 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:10:19,567 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:10:19,568 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:10:19,569 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:10:19,569 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:10:19,570 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:10:19,571 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:10:19,571 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:10:19,572 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:10:19,573 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:10:19,642 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:10:19,731 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,732 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:10:19,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:10:20,140 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:10:20,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:20 WrapperNode [2021-11-07 02:10:20,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:10:20,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:10:20,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:10:20,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:10:20,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:20" (1/1) ... [2021-11-07 02:10:20,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:20" (1/1) ... [2021-11-07 02:10:20,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:10:20,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:10:20,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:10:20,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:10:20,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:20" (1/1) ... [2021-11-07 02:10:20,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:20" (1/1) ... [2021-11-07 02:10:20,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:20" (1/1) ... [2021-11-07 02:10:20,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:20" (1/1) ... [2021-11-07 02:10:20,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:20" (1/1) ... [2021-11-07 02:10:20,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:20" (1/1) ... [2021-11-07 02:10:20,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:20" (1/1) ... [2021-11-07 02:10:20,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:10:20,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:10:20,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:10:20,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:10:20,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:20" (1/1) ... [2021-11-07 02:10:20,678 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:10:20,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:10:20,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:10:20,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:10:20,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:10:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:10:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 02:10:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 02:10:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 02:10:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 02:10:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:10:20,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:10:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 02:10:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 02:10:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:10:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 02:10:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 02:10:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 02:10:36,532 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:10:36,533 INFO L299 CfgBuilder]: Removed 52 assume(true) statements. [2021-11-07 02:10:36,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:10:36 BoogieIcfgContainer [2021-11-07 02:10:36,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:10:36,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:10:36,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:10:36,555 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:10:36,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:10:15" (1/3) ... [2021-11-07 02:10:36,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544bd479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:10:36, skipping insertion in model container [2021-11-07 02:10:36,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:20" (2/3) ... [2021-11-07 02:10:36,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544bd479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:10:36, skipping insertion in model container [2021-11-07 02:10:36,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:10:36" (3/3) ... [2021-11-07 02:10:36,558 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_from_c_str_harness.i [2021-11-07 02:10:36,564 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:10:36,564 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-07 02:10:36,617 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:10:36,623 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 02:10:36,623 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-11-07 02:10:36,642 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 90 states have (on average 1.488888888888889) internal successors, (134), 100 states have internal predecessors, (134), 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 02:10:36,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-07 02:10:36,648 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:10:36,649 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:10:36,649 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 02:10:36,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:10:36,655 INFO L85 PathProgramCache]: Analyzing trace with hash -169602626, now seen corresponding path program 1 times [2021-11-07 02:10:36,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:10:36,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [874588937] [2021-11-07 02:10:36,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:10:36,738 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:10:36,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:10:36,742 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:10:36,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:10:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:10:41,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 1696 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:10:41,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:10:41,992 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 02:10:41,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:10:42,094 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 02:10:42,095 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:10:42,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [874588937] [2021-11-07 02:10:42,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [874588937] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:10:42,096 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:10:42,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 02:10:42,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765281783] [2021-11-07 02:10:42,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:10:42,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:10:42,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:10:42,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:10:42,137 INFO L87 Difference]: Start difference. First operand has 101 states, 90 states have (on average 1.488888888888889) internal successors, (134), 100 states have internal predecessors, (134), 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 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 02:10:43,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:10:43,456 INFO L93 Difference]: Finished difference Result 196 states and 260 transitions. [2021-11-07 02:10:43,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:10:43,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2021-11-07 02:10:43,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:10:43,469 INFO L225 Difference]: With dead ends: 196 [2021-11-07 02:10:43,469 INFO L226 Difference]: Without dead ends: 93 [2021-11-07 02:10:43,473 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 02:10:43,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-11-07 02:10:43,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2021-11-07 02:10:43,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 83 states have (on average 1.3132530120481927) internal successors, (109), 92 states have internal predecessors, (109), 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 02:10:43,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 109 transitions. [2021-11-07 02:10:43,520 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 109 transitions. Word has length 14 [2021-11-07 02:10:43,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:10:43,521 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 109 transitions. [2021-11-07 02:10:43,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 02:10:43,522 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 109 transitions. [2021-11-07 02:10:43,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-07 02:10:43,523 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:10:43,523 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] [2021-11-07 02:10:43,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 02:10:43,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:10:43,725 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 02:10:43,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:10:43,727 INFO L85 PathProgramCache]: Analyzing trace with hash 742333779, now seen corresponding path program 1 times [2021-11-07 02:10:43,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:10:43,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1721223838] [2021-11-07 02:10:43,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:10:43,737 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:10:43,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:10:43,739 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:10:43,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:10:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:10:48,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 1709 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 02:10:48,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:10:48,986 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 02:10:48,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:10:49,133 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 02:10:49,133 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:10:49,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1721223838] [2021-11-07 02:10:49,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1721223838] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:10:49,134 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:10:49,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-07 02:10:49,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599874893] [2021-11-07 02:10:49,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:10:49,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:10:49,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:10:49,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:10:49,139 INFO L87 Difference]: Start difference. First operand 93 states and 109 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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 02:10:49,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:10:49,995 INFO L93 Difference]: Finished difference Result 162 states and 185 transitions. [2021-11-07 02:10:49,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 02:10:49,996 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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 20 [2021-11-07 02:10:49,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:10:49,998 INFO L225 Difference]: With dead ends: 162 [2021-11-07 02:10:49,999 INFO L226 Difference]: Without dead ends: 158 [2021-11-07 02:10:50,000 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-11-07 02:10:50,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-11-07 02:10:50,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 101. [2021-11-07 02:10:50,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 91 states have (on average 1.2857142857142858) internal successors, (117), 100 states have internal predecessors, (117), 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 02:10:50,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2021-11-07 02:10:50,014 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 20 [2021-11-07 02:10:50,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:10:50,015 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2021-11-07 02:10:50,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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 02:10:50,015 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2021-11-07 02:10:50,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 02:10:50,017 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:10:50,017 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] [2021-11-07 02:10:50,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:10:50,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:10:50,234 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 02:10:50,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:10:50,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1552162933, now seen corresponding path program 1 times [2021-11-07 02:10:50,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:10:50,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1610742925] [2021-11-07 02:10:50,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:10:50,241 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:10:50,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:10:50,249 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:10:50,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:10:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:10:55,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 1718 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 02:10:55,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:10:55,604 INFO L354 Elim1Store]: treesize reduction 336, result has 0.3 percent of original size [2021-11-07 02:10:55,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 203 treesize of output 59 [2021-11-07 02:10:55,762 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 02:10:55,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:10:56,221 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 02:10:56,221 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:10:56,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1610742925] [2021-11-07 02:10:56,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1610742925] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:10:56,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:10:56,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2021-11-07 02:10:56,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928742149] [2021-11-07 02:10:56,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:10:56,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:10:56,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:10:56,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:10:56,224 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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 02:11:05,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:11:05,082 INFO L93 Difference]: Finished difference Result 267 states and 306 transitions. [2021-11-07 02:11:05,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:11:05,084 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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 24 [2021-11-07 02:11:05,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:11:05,087 INFO L225 Difference]: With dead ends: 267 [2021-11-07 02:11:05,087 INFO L226 Difference]: Without dead ends: 195 [2021-11-07 02:11:05,088 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:11:05,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-11-07 02:11:05,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 111. [2021-11-07 02:11:05,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 101 states have (on average 1.297029702970297) internal successors, (131), 110 states have internal predecessors, (131), 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 02:11:05,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions. [2021-11-07 02:11:05,102 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 24 [2021-11-07 02:11:05,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:11:05,103 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 131 transitions. [2021-11-07 02:11:05,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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 02:11:05,103 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2021-11-07 02:11:05,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 02:11:05,105 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:11:05,105 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] [2021-11-07 02:11:05,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-07 02:11:05,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:11:05,318 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 02:11:05,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:11:05,319 INFO L85 PathProgramCache]: Analyzing trace with hash -872104563, now seen corresponding path program 1 times [2021-11-07 02:11:05,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:11:05,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [752491248] [2021-11-07 02:11:05,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:11:05,323 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:11:05,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:11:05,325 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:11:05,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 02:11:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:11:31,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 1715 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-07 02:11:31,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:11:31,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:11:31,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-07 02:11:31,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:11:31,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-07 02:11:32,519 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 02:11:32,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:11:32,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2021-11-07 02:11:32,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2021-11-07 02:11:32,919 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 02:11:32,919 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:11:32,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [752491248] [2021-11-07 02:11:32,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [752491248] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:11:32,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:11:32,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 9 [2021-11-07 02:11:32,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255891275] [2021-11-07 02:11:32,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 02:11:32,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:11:32,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 02:11:32,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:11:32,922 INFO L87 Difference]: Start difference. First operand 111 states and 131 transitions. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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 02:11:39,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:11:39,549 INFO L93 Difference]: Finished difference Result 226 states and 268 transitions. [2021-11-07 02:11:39,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 02:11:39,560 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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 24 [2021-11-07 02:11:39,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:11:39,562 INFO L225 Difference]: With dead ends: 226 [2021-11-07 02:11:39,563 INFO L226 Difference]: Without dead ends: 147 [2021-11-07 02:11:39,564 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-11-07 02:11:39,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2021-11-07 02:11:39,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 120. [2021-11-07 02:11:39,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 110 states have (on average 1.3) internal successors, (143), 119 states have internal predecessors, (143), 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 02:11:39,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 143 transitions. [2021-11-07 02:11:39,589 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 143 transitions. Word has length 24 [2021-11-07 02:11:39,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:11:39,589 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 143 transitions. [2021-11-07 02:11:39,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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 02:11:39,590 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 143 transitions. [2021-11-07 02:11:39,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 02:11:39,592 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:11:39,592 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] [2021-11-07 02:11:39,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:11:39,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:11:39,794 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 02:11:39,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:11:39,795 INFO L85 PathProgramCache]: Analyzing trace with hash -613939125, now seen corresponding path program 1 times [2021-11-07 02:11:39,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:11:39,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [970146712] [2021-11-07 02:11:39,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:11:39,799 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:11:39,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:11:39,803 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:11:39,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7178acbf-d3fa-4759-b1c1-7e86563134f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 02:16:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:16:41,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 1712 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-07 02:16:41,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:16:41,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3582 treesize of output 3467 [2021-11-07 02:16:41,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:41,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:16:41,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:16:41,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:16:41,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:16:41,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:16:41,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:16:41,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:16:41,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:16:41,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:16:41,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:16:41,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:16:41,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:16:41,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:16:41,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:16:41,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:16:41,829 INFO L244 Elim1Store]: Index analysis took 371 ms [2021-11-07 02:16:41,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 120 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 347 treesize of output 407 [2021-11-07 02:16:42,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:16:42,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 431 [2021-11-07 02:16:42,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:16:42,925 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:16:42,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 153 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 431 treesize of output 464 [2021-11-07 02:16:43,621 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:16:43,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 482 treesize of output 354 [2021-11-07 02:16:43,820 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 02:16:43,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:16:44,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:16:44,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 02:16:44,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:16:44,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-07 02:16:44,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28735 treesize of output 27823