./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_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_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/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_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/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_e4fabef1-3d38-45c0-a840-c453a2036393/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 52a5b40e07f9d2025e21e89532c54ecb2612af1d6384644534b1ef79f7198c6a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:57:28,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:57:28,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:57:28,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:57:28,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:57:28,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:57:28,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:57:28,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:57:28,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:57:28,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:57:28,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:57:28,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:57:28,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:57:28,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:57:28,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:57:28,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:57:28,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:57:28,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:57:28,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:57:28,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:57:28,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:57:28,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:57:28,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:57:28,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:57:28,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:57:28,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:57:28,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:57:28,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:57:28,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:57:28,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:57:28,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:57:28,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:57:28,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:57:28,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:57:28,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:57:28,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:57:28,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:57:28,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:57:28,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:57:28,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:57:28,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:57:28,238 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 00:57:28,263 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:57:28,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:57:28,268 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:57:28,269 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:57:28,269 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:57:28,269 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:57:28,270 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:57:28,270 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:57:28,270 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:57:28,270 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:57:28,271 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:57:28,271 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:57:28,271 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:57:28,272 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:57:28,272 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:57:28,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:57:28,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:57:28,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:57:28,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:57:28,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:57:28,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:57:28,278 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:57:28,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:57:28,278 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:57:28,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:57:28,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:57:28,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:57:28,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:57:28,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:57:28,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:57:28,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:57:28,283 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:57:28,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:57:28,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:57:28,284 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:57:28,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:57:28,285 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_e4fabef1-3d38-45c0-a840-c453a2036393/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52a5b40e07f9d2025e21e89532c54ecb2612af1d6384644534b1ef79f7198c6a [2021-11-07 00:57:28,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:57:28,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:57:28,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:57:28,645 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:57:28,645 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:57:28,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_harness.i [2021-11-07 00:57:28,730 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/data/2fe2358e3/a3ef2e91afb1490fa5db2d9a568a08cd/FLAG185926564 [2021-11-07 00:57:29,581 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:57:29,581 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_harness.i [2021-11-07 00:57:29,645 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/data/2fe2358e3/a3ef2e91afb1490fa5db2d9a568a08cd/FLAG185926564 [2021-11-07 00:57:30,112 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/data/2fe2358e3/a3ef2e91afb1490fa5db2d9a568a08cd [2021-11-07 00:57:30,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:57:30,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:57:30,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:57:30,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:57:30,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:57:30,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:57:30" (1/1) ... [2021-11-07 00:57:30,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ed94fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:30, skipping insertion in model container [2021-11-07 00:57:30,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:57:30" (1/1) ... [2021-11-07 00:57:30,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:57:30,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:57:30,602 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_e4fabef1-3d38-45c0-a840-c453a2036393/sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_harness.i[4500,4513] [2021-11-07 00:57:30,611 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_e4fabef1-3d38-45c0-a840-c453a2036393/sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_harness.i[4560,4573] [2021-11-07 00:57:30,634 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 00:57:30,642 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 00:57:31,419 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:31,427 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:31,430 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:31,431 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:31,435 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:31,456 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:31,457 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:31,463 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:31,465 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:31,470 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:31,479 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:31,480 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:31,483 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:31,856 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 00:57:31,857 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 00:57:31,859 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 00:57:31,860 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 00:57:31,862 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 00:57:31,863 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 00:57:31,864 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 00:57:31,864 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 00:57:31,865 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 00:57:31,866 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 00:57:32,067 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 00:57:32,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:57:32,136 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 00:57:32,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@35eb2b8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:32, skipping insertion in model container [2021-11-07 00:57:32,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:57:32,138 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 00:57:32,140 INFO L168 Benchmark]: Toolchain (without parser) took 2020.99 ms. Allocated memory is still 130.0 MB. Free memory was 90.2 MB in the beginning and 74.2 MB in the end (delta: 16.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-11-07 00:57:32,141 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 88.1 MB. Free memory is still 47.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:57:32,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2017.38 ms. Allocated memory is still 130.0 MB. Free memory was 90.1 MB in the beginning and 74.2 MB in the end (delta: 15.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-11-07 00:57:32,144 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 88.1 MB. Free memory is still 47.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2017.38 ms. Allocated memory is still 130.0 MB. Free memory was 90.1 MB in the beginning and 74.2 MB in the end (delta: 15.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7037]: 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_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/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_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/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_e4fabef1-3d38-45c0-a840-c453a2036393/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 52a5b40e07f9d2025e21e89532c54ecb2612af1d6384644534b1ef79f7198c6a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:57:34,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:57:34,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:57:34,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:57:34,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:57:34,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:57:34,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:57:34,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:57:34,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:57:34,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:57:34,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:57:34,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:57:34,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:57:34,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:57:34,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:57:34,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:57:34,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:57:34,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:57:34,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:57:34,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:57:34,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:57:34,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:57:34,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:57:34,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:57:34,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:57:34,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:57:34,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:57:34,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:57:34,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:57:34,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:57:34,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:57:34,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:57:34,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:57:34,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:57:34,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:57:34,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:57:34,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:57:34,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:57:34,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:57:34,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:57:34,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:57:34,597 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 00:57:34,648 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:57:34,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:57:34,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:57:34,651 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:57:34,651 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:57:34,651 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:57:34,651 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:57:34,652 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:57:34,652 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:57:34,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:57:34,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:57:34,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:57:34,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:57:34,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:57:34,656 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:57:34,656 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 00:57:34,657 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 00:57:34,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:57:34,657 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:57:34,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:57:34,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:57:34,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:57:34,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:57:34,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:57:34,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:57:34,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:57:34,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:57:34,659 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 00:57:34,660 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 00:57:34,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:57:34,660 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:57:34,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:57:34,661 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_e4fabef1-3d38-45c0-a840-c453a2036393/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52a5b40e07f9d2025e21e89532c54ecb2612af1d6384644534b1ef79f7198c6a [2021-11-07 00:57:35,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:57:35,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:57:35,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:57:35,057 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:57:35,057 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:57:35,058 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_harness.i [2021-11-07 00:57:35,136 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/data/c220a633d/6097378e0ad4485ab0cabd424101cd23/FLAG7c5f7e939 [2021-11-07 00:57:36,129 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:57:36,131 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_harness.i [2021-11-07 00:57:36,173 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/data/c220a633d/6097378e0ad4485ab0cabd424101cd23/FLAG7c5f7e939 [2021-11-07 00:57:36,185 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/data/c220a633d/6097378e0ad4485ab0cabd424101cd23 [2021-11-07 00:57:36,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:57:36,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:57:36,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:57:36,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:57:36,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:57:36,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:57:36" (1/1) ... [2021-11-07 00:57:36,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef7c99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:36, skipping insertion in model container [2021-11-07 00:57:36,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:57:36" (1/1) ... [2021-11-07 00:57:36,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:57:36,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:57:36,645 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_e4fabef1-3d38-45c0-a840-c453a2036393/sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_harness.i[4500,4513] [2021-11-07 00:57:36,653 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_e4fabef1-3d38-45c0-a840-c453a2036393/sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_harness.i[4560,4573] [2021-11-07 00:57:36,679 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 00:57:36,698 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 00:57:37,766 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:37,768 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:37,771 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:37,772 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:37,774 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:37,807 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:37,808 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:37,813 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:37,818 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:37,823 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:37,828 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:37,830 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:37,831 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,224 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 00:57:38,226 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 00:57:38,227 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 00:57:38,229 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 00:57:38,231 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 00:57:38,231 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 00:57:38,232 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 00:57:38,233 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 00:57:38,234 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 00:57:38,235 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 00:57:38,429 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 00:57:38,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:57:38,490 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 00:57:38,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:57:38,526 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_e4fabef1-3d38-45c0-a840-c453a2036393/sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_harness.i[4500,4513] [2021-11-07 00:57:38,527 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_e4fabef1-3d38-45c0-a840-c453a2036393/sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_harness.i[4560,4573] [2021-11-07 00:57:38,531 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 00:57:38,533 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 00:57:38,609 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,636 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,637 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,637 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,638 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,646 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,651 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,653 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,654 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,658 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,659 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,660 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,660 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,736 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 00:57:38,737 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 00:57:38,738 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 00:57:38,739 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 00:57:38,745 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 00:57:38,746 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 00:57:38,747 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 00:57:38,748 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 00:57:38,748 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 00:57:38,749 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 00:57:38,795 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 00:57:38,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:57:38,837 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:57:38,865 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_e4fabef1-3d38-45c0-a840-c453a2036393/sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_harness.i[4500,4513] [2021-11-07 00:57:38,866 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_e4fabef1-3d38-45c0-a840-c453a2036393/sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_harness.i[4560,4573] [2021-11-07 00:57:38,868 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 00:57:38,868 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 00:57:38,952 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,954 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,955 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,955 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,956 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,971 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,972 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,975 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,976 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,977 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,978 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,978 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:38,979 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:57:39,015 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 00:57:39,017 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 00:57:39,017 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 00:57:39,018 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 00:57:39,019 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 00:57:39,019 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 00:57:39,021 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 00:57:39,021 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 00:57:39,022 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 00:57:39,022 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 00:57:39,051 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 00:57:39,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:57:39,316 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:57:39,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:39 WrapperNode [2021-11-07 00:57:39,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:57:39,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:57:39,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:57:39,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:57:39,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:39" (1/1) ... [2021-11-07 00:57:39,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:39" (1/1) ... [2021-11-07 00:57:39,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:57:39,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:57:39,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:57:39,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:57:39,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:39" (1/1) ... [2021-11-07 00:57:39,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:39" (1/1) ... [2021-11-07 00:57:39,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:39" (1/1) ... [2021-11-07 00:57:39,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:39" (1/1) ... [2021-11-07 00:57:39,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:39" (1/1) ... [2021-11-07 00:57:39,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:39" (1/1) ... [2021-11-07 00:57:39,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:39" (1/1) ... [2021-11-07 00:57:39,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:57:39,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:57:39,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:57:39,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:57:39,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:39" (1/1) ... [2021-11-07 00:57:39,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:57:39,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:57:39,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:57:39,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:57:39,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 00:57:39,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 00:57:39,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 00:57:39,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 00:57:39,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:57:39,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:57:39,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:57:39,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 00:57:39,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 00:57:40,922 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:57:40,923 INFO L299 CfgBuilder]: Removed 80 assume(true) statements. [2021-11-07 00:57:40,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:57:40 BoogieIcfgContainer [2021-11-07 00:57:40,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:57:40,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:57:40,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:57:40,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:57:40,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:57:36" (1/3) ... [2021-11-07 00:57:40,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef3e263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:57:40, skipping insertion in model container [2021-11-07 00:57:40,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:39" (2/3) ... [2021-11-07 00:57:40,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef3e263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:57:40, skipping insertion in model container [2021-11-07 00:57:40,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:57:40" (3/3) ... [2021-11-07 00:57:40,933 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_linked_list_push_front_harness.i [2021-11-07 00:57:40,938 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:57:40,938 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2021-11-07 00:57:41,003 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:57:41,009 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 00:57:41,009 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-11-07 00:57:41,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 157 states, 145 states have (on average 1.5310344827586206) internal successors, (222), 156 states have internal predecessors, (222), 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 00:57:41,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 00:57:41,035 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:57:41,035 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:57:41,036 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 00:57:41,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:57:41,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1015878758, now seen corresponding path program 1 times [2021-11-07 00:57:41,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:57:41,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [984562796] [2021-11-07 00:57:41,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:57:41,057 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:57:41,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:57:41,060 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:57:41,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 00:57:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:57:41,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 00:57:41,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:57:41,522 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 00:57:41,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:57:41,641 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 00:57:41,642 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:57:41,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [984562796] [2021-11-07 00:57:41,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [984562796] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:57:41,643 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:57:41,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 00:57:41,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533645503] [2021-11-07 00:57:41,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:57:41,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:57:41,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:57:41,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:57:41,676 INFO L87 Difference]: Start difference. First operand has 157 states, 145 states have (on average 1.5310344827586206) internal successors, (222), 156 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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 00:57:41,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:57:41,728 INFO L93 Difference]: Finished difference Result 310 states and 439 transitions. [2021-11-07 00:57:41,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:57:41,730 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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 37 [2021-11-07 00:57:41,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:57:41,746 INFO L225 Difference]: With dead ends: 310 [2021-11-07 00:57:41,746 INFO L226 Difference]: Without dead ends: 152 [2021-11-07 00:57:41,750 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:57:41,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-11-07 00:57:41,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2021-11-07 00:57:41,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 141 states have (on average 1.3971631205673758) internal successors, (197), 151 states have internal predecessors, (197), 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 00:57:41,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 197 transitions. [2021-11-07 00:57:41,791 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 197 transitions. Word has length 37 [2021-11-07 00:57:41,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:57:41,792 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 197 transitions. [2021-11-07 00:57:41,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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 00:57:41,792 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 197 transitions. [2021-11-07 00:57:41,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 00:57:41,794 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:57:41,794 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:57:41,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 00:57:42,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:57:42,004 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 00:57:42,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:57:42,005 INFO L85 PathProgramCache]: Analyzing trace with hash 422083482, now seen corresponding path program 1 times [2021-11-07 00:57:42,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:57:42,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [170956629] [2021-11-07 00:57:42,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:57:42,007 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:57:42,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:57:42,008 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:57:42,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 00:57:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:57:42,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 00:57:42,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:57:42,507 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 00:57:42,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:57:42,623 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 00:57:42,623 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:57:42,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [170956629] [2021-11-07 00:57:42,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [170956629] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:57:42,624 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:57:42,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 00:57:42,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894388078] [2021-11-07 00:57:42,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:57:42,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:57:42,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:57:42,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:57:42,631 INFO L87 Difference]: Start difference. First operand 152 states and 197 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 00:57:42,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:57:42,736 INFO L93 Difference]: Finished difference Result 294 states and 382 transitions. [2021-11-07 00:57:42,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:57:42,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 37 [2021-11-07 00:57:42,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:57:42,743 INFO L225 Difference]: With dead ends: 294 [2021-11-07 00:57:42,743 INFO L226 Difference]: Without dead ends: 152 [2021-11-07 00:57:42,747 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 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 00:57:42,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-11-07 00:57:42,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2021-11-07 00:57:42,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 141 states have (on average 1.3829787234042554) internal successors, (195), 151 states have internal predecessors, (195), 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 00:57:42,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 195 transitions. [2021-11-07 00:57:42,771 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 195 transitions. Word has length 37 [2021-11-07 00:57:42,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:57:42,771 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 195 transitions. [2021-11-07 00:57:42,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 00:57:42,772 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 195 transitions. [2021-11-07 00:57:42,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 00:57:42,775 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:57:42,775 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:57:42,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 00:57:42,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:57:43,000 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 00:57:43,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:57:43,001 INFO L85 PathProgramCache]: Analyzing trace with hash -964119912, now seen corresponding path program 1 times [2021-11-07 00:57:43,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:57:43,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [584907750] [2021-11-07 00:57:43,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:57:43,002 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:57:43,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:57:43,003 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:57:43,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 00:57:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:57:43,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:57:43,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:57:43,496 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 00:57:43,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:57:43,653 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 00:57:43,653 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:57:43,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [584907750] [2021-11-07 00:57:43,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [584907750] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:57:43,654 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:57:43,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 00:57:43,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319159050] [2021-11-07 00:57:43,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:57:43,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:57:43,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:57:43,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:57:43,656 INFO L87 Difference]: Start difference. First operand 152 states and 195 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 00:57:43,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:57:43,733 INFO L93 Difference]: Finished difference Result 316 states and 394 transitions. [2021-11-07 00:57:43,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:57:43,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 37 [2021-11-07 00:57:43,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:57:43,737 INFO L225 Difference]: With dead ends: 316 [2021-11-07 00:57:43,740 INFO L226 Difference]: Without dead ends: 192 [2021-11-07 00:57:43,741 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 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 00:57:43,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2021-11-07 00:57:43,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 152. [2021-11-07 00:57:43,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 141 states have (on average 1.375886524822695) internal successors, (194), 151 states have internal predecessors, (194), 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 00:57:43,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 194 transitions. [2021-11-07 00:57:43,759 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 194 transitions. Word has length 37 [2021-11-07 00:57:43,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:57:43,760 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 194 transitions. [2021-11-07 00:57:43,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 00:57:43,767 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 194 transitions. [2021-11-07 00:57:43,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 00:57:43,768 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:57:43,769 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:57:43,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 00:57:43,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:57:43,989 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 00:57:43,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:57:43,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1303112067, now seen corresponding path program 1 times [2021-11-07 00:57:43,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:57:43,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [217116002] [2021-11-07 00:57:43,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:57:43,991 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:57:43,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:57:43,992 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:57:44,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 00:57:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:57:44,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 00:57:44,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:57:44,434 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 00:57:44,434 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:57:44,541 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 00:57:44,542 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:57:44,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [217116002] [2021-11-07 00:57:44,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [217116002] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:57:44,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:57:44,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 00:57:44,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739202503] [2021-11-07 00:57:44,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 00:57:44,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:57:44,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 00:57:44,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:57:44,546 INFO L87 Difference]: Start difference. First operand 152 states and 194 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 00:57:44,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:57:44,663 INFO L93 Difference]: Finished difference Result 367 states and 451 transitions. [2021-11-07 00:57:44,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 00:57:44,664 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 39 [2021-11-07 00:57:44,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:57:44,666 INFO L225 Difference]: With dead ends: 367 [2021-11-07 00:57:44,666 INFO L226 Difference]: Without dead ends: 242 [2021-11-07 00:57:44,666 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 00:57:44,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-11-07 00:57:44,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 152. [2021-11-07 00:57:44,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 141 states have (on average 1.3617021276595744) internal successors, (192), 151 states have internal predecessors, (192), 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 00:57:44,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 192 transitions. [2021-11-07 00:57:44,678 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 192 transitions. Word has length 39 [2021-11-07 00:57:44,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:57:44,679 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 192 transitions. [2021-11-07 00:57:44,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 00:57:44,679 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 192 transitions. [2021-11-07 00:57:44,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 00:57:44,680 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:57:44,681 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:57:44,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 00:57:44,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:57:44,898 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 00:57:44,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:57:44,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1958868289, now seen corresponding path program 1 times [2021-11-07 00:57:44,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:57:44,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073475406] [2021-11-07 00:57:44,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:57:44,899 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:57:44,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:57:44,900 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:57:44,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 00:57:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:57:45,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 00:57:45,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:57:45,362 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 00:57:45,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:57:45,505 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 00:57:45,506 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:57:45,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073475406] [2021-11-07 00:57:45,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1073475406] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:57:45,506 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:57:45,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 00:57:45,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826569483] [2021-11-07 00:57:45,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 00:57:45,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:57:45,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 00:57:45,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:57:45,508 INFO L87 Difference]: Start difference. First operand 152 states and 192 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 00:57:45,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:57:45,566 INFO L93 Difference]: Finished difference Result 152 states and 192 transitions. [2021-11-07 00:57:45,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 00:57:45,566 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 41 [2021-11-07 00:57:45,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:57:45,566 INFO L225 Difference]: With dead ends: 152 [2021-11-07 00:57:45,567 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 00:57:45,567 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 00:57:45,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 00:57:45,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 00:57:45,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:57:45,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 00:57:45,568 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2021-11-07 00:57:45,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:57:45,568 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 00:57:45,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 00:57:45,568 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 00:57:45,569 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 00:57:45,571 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:57:45,572 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:57:45,572 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:57:45,573 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:57:45,573 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:57:45,573 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:57:45,573 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:57:45,574 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:57:45,574 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:57:45,574 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:57:45,574 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:57:45,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 00:57:45,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:57:45,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 00:57:45,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:57:45,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:57:45,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:57:45,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:57:45,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:57:45,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:57:45,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:57:45,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:57:45,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:57:45,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:57:45,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:57:45,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:57:45,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:57:45,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:57:45,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:57:45,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:57:45,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:57:45,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:57:45,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:57:45,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:57:45,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:57:45,882 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,883 INFO L857 garLoopResultBuilder]: For program point L4694(line 4694) no Hoare annotation was computed. [2021-11-07 00:57:45,883 INFO L857 garLoopResultBuilder]: For program point L4694-3(lines 4694 4695) no Hoare annotation was computed. [2021-11-07 00:57:45,883 INFO L857 garLoopResultBuilder]: For program point L4694-2(line 4694) no Hoare annotation was computed. [2021-11-07 00:57:45,883 INFO L857 garLoopResultBuilder]: For program point L4694-8(lines 4694 4696) no Hoare annotation was computed. [2021-11-07 00:57:45,883 INFO L857 garLoopResultBuilder]: For program point L4694-5(lines 4694 4695) no Hoare annotation was computed. [2021-11-07 00:57:45,883 INFO L857 garLoopResultBuilder]: For program point L4694-6(lines 4694 4696) no Hoare annotation was computed. [2021-11-07 00:57:45,884 INFO L857 garLoopResultBuilder]: For program point L4694-11(lines 4694 4704) no Hoare annotation was computed. [2021-11-07 00:57:45,884 INFO L857 garLoopResultBuilder]: For program point L4694-12(line 4694) no Hoare annotation was computed. [2021-11-07 00:57:45,884 INFO L857 garLoopResultBuilder]: For program point L4694-9(lines 4694 4697) no Hoare annotation was computed. [2021-11-07 00:57:45,884 INFO L857 garLoopResultBuilder]: For program point L4694-15(lines 4694 4695) no Hoare annotation was computed. [2021-11-07 00:57:45,884 INFO L857 garLoopResultBuilder]: For program point L4694-14(line 4694) no Hoare annotation was computed. [2021-11-07 00:57:45,884 INFO L857 garLoopResultBuilder]: For program point L4694-20(lines 4694 4696) no Hoare annotation was computed. [2021-11-07 00:57:45,885 INFO L857 garLoopResultBuilder]: For program point L4694-17(lines 4694 4695) no Hoare annotation was computed. [2021-11-07 00:57:45,885 INFO L857 garLoopResultBuilder]: For program point L4694-18(lines 4694 4696) no Hoare annotation was computed. [2021-11-07 00:57:45,885 INFO L857 garLoopResultBuilder]: For program point L4694-23(lines 4694 4704) no Hoare annotation was computed. [2021-11-07 00:57:45,885 INFO L857 garLoopResultBuilder]: For program point L4694-24(line 4694) no Hoare annotation was computed. [2021-11-07 00:57:45,885 INFO L857 garLoopResultBuilder]: For program point L4694-21(lines 4694 4697) no Hoare annotation was computed. [2021-11-07 00:57:45,885 INFO L857 garLoopResultBuilder]: For program point L4694-27(lines 4694 4695) no Hoare annotation was computed. [2021-11-07 00:57:45,886 INFO L857 garLoopResultBuilder]: For program point L4694-26(line 4694) no Hoare annotation was computed. [2021-11-07 00:57:45,886 INFO L857 garLoopResultBuilder]: For program point L4694-32(lines 4694 4696) no Hoare annotation was computed. [2021-11-07 00:57:45,886 INFO L857 garLoopResultBuilder]: For program point L4694-29(lines 4694 4695) no Hoare annotation was computed. [2021-11-07 00:57:45,886 INFO L857 garLoopResultBuilder]: For program point L4694-30(lines 4694 4696) no Hoare annotation was computed. [2021-11-07 00:57:45,886 INFO L857 garLoopResultBuilder]: For program point L4694-35(lines 4694 4704) no Hoare annotation was computed. [2021-11-07 00:57:45,886 INFO L857 garLoopResultBuilder]: For program point L4694-33(lines 4694 4697) no Hoare annotation was computed. [2021-11-07 00:57:45,886 INFO L857 garLoopResultBuilder]: For program point L4729-2(line 4729) no Hoare annotation was computed. [2021-11-07 00:57:45,887 INFO L857 garLoopResultBuilder]: For program point L4729-3(line 4729) no Hoare annotation was computed. [2021-11-07 00:57:45,887 INFO L857 garLoopResultBuilder]: For program point L4729(line 4729) no Hoare annotation was computed. [2021-11-07 00:57:45,887 INFO L853 garLoopResultBuilder]: At program point L4729-6(lines 4726 4730) the Hoare annotation is: false [2021-11-07 00:57:45,887 INFO L857 garLoopResultBuilder]: For program point L4729-7(line 4729) no Hoare annotation was computed. [2021-11-07 00:57:45,887 INFO L857 garLoopResultBuilder]: For program point L4729-5(line 4729) no Hoare annotation was computed. [2021-11-07 00:57:45,887 INFO L857 garLoopResultBuilder]: For program point L4729-10(line 4729) no Hoare annotation was computed. [2021-11-07 00:57:45,888 INFO L857 garLoopResultBuilder]: For program point L4729-9(line 4729) no Hoare annotation was computed. [2021-11-07 00:57:45,888 INFO L857 garLoopResultBuilder]: For program point L4729-14(line 4729) no Hoare annotation was computed. [2021-11-07 00:57:45,888 INFO L857 garLoopResultBuilder]: For program point L4729-12(line 4729) no Hoare annotation was computed. [2021-11-07 00:57:45,888 INFO L853 garLoopResultBuilder]: At program point L4729-13(lines 4726 4730) the Hoare annotation is: false [2021-11-07 00:57:45,888 INFO L857 garLoopResultBuilder]: For program point L4729-19(line 4729) no Hoare annotation was computed. [2021-11-07 00:57:45,888 INFO L857 garLoopResultBuilder]: For program point L4729-16(line 4729) no Hoare annotation was computed. [2021-11-07 00:57:45,889 INFO L857 garLoopResultBuilder]: For program point L4729-17(line 4729) no Hoare annotation was computed. [2021-11-07 00:57:45,889 INFO L857 garLoopResultBuilder]: For program point L4729-23(line 4729) no Hoare annotation was computed. [2021-11-07 00:57:45,889 INFO L853 garLoopResultBuilder]: At program point L4729-20(lines 4726 4730) the Hoare annotation is: false [2021-11-07 00:57:45,889 INFO L857 garLoopResultBuilder]: For program point L4729-21(line 4729) no Hoare annotation was computed. [2021-11-07 00:57:45,889 INFO L857 garLoopResultBuilder]: For program point L4729-26(line 4729) no Hoare annotation was computed. [2021-11-07 00:57:45,889 INFO L853 garLoopResultBuilder]: At program point L4729-27(lines 4726 4730) the Hoare annotation is: false [2021-11-07 00:57:45,889 INFO L857 garLoopResultBuilder]: For program point L4729-24(line 4729) no Hoare annotation was computed. [2021-11-07 00:57:45,890 INFO L853 garLoopResultBuilder]: At program point L4764-1(lines 4731 4765) the Hoare annotation is: false [2021-11-07 00:57:45,890 INFO L853 garLoopResultBuilder]: At program point L4764-2(lines 4731 4765) the Hoare annotation is: false [2021-11-07 00:57:45,890 INFO L853 garLoopResultBuilder]: At program point L4764(lines 4731 4765) the Hoare annotation is: (and (= (_ bv0 8) |ULTIMATE.start_aws_linked_list_is_valid_deep_#res|) (not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_push_front_harness_~#list~0.base|))) [2021-11-07 00:57:45,890 INFO L857 garLoopResultBuilder]: For program point L7374(lines 7374 7391) no Hoare annotation was computed. [2021-11-07 00:57:45,890 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,891 INFO L857 garLoopResultBuilder]: For program point L4734(lines 4734 4738) no Hoare annotation was computed. [2021-11-07 00:57:45,891 INFO L857 garLoopResultBuilder]: For program point L4734-1(lines 4734 4738) no Hoare annotation was computed. [2021-11-07 00:57:45,891 INFO L857 garLoopResultBuilder]: For program point L4734-2(lines 4734 4738) no Hoare annotation was computed. [2021-11-07 00:57:45,891 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,891 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-11-07 00:57:45,891 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-11-07 00:57:45,891 INFO L857 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-11-07 00:57:45,892 INFO L857 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-11-07 00:57:45,892 INFO L857 garLoopResultBuilder]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2021-11-07 00:57:45,892 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,892 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-07 00:57:45,892 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-11-07 00:57:45,892 INFO L857 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-11-07 00:57:45,893 INFO L857 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-11-07 00:57:45,893 INFO L857 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-11-07 00:57:45,893 INFO L853 garLoopResultBuilder]: At program point L4705-2(lines 4691 4708) the Hoare annotation is: false [2021-11-07 00:57:45,893 INFO L853 garLoopResultBuilder]: At program point L4705(lines 4691 4708) the Hoare annotation is: (and (= |ULTIMATE.start_aws_linked_list_is_valid_#res| (_ bv0 8)) (not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_push_front_harness_~#list~0.base|))) [2021-11-07 00:57:45,893 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,893 INFO L853 garLoopResultBuilder]: At program point L4705-1(lines 4691 4708) the Hoare annotation is: false [2021-11-07 00:57:45,894 INFO L857 garLoopResultBuilder]: For program point L6754(lines 6754 6778) no Hoare annotation was computed. [2021-11-07 00:57:45,894 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 00:57:45,894 INFO L857 garLoopResultBuilder]: For program point L4909(lines 4909 4924) no Hoare annotation was computed. [2021-11-07 00:57:45,894 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,894 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-11-07 00:57:45,894 INFO L857 garLoopResultBuilder]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2021-11-07 00:57:45,894 INFO L857 garLoopResultBuilder]: For program point L222-2(lines 222 224) no Hoare annotation was computed. [2021-11-07 00:57:45,895 INFO L857 garLoopResultBuilder]: For program point L222-3(lines 222 224) no Hoare annotation was computed. [2021-11-07 00:57:45,895 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,895 INFO L857 garLoopResultBuilder]: For program point L222-4(lines 222 224) no Hoare annotation was computed. [2021-11-07 00:57:45,895 INFO L857 garLoopResultBuilder]: For program point L222-5(lines 222 224) no Hoare annotation was computed. [2021-11-07 00:57:45,895 INFO L857 garLoopResultBuilder]: For program point L222-6(lines 222 224) no Hoare annotation was computed. [2021-11-07 00:57:45,895 INFO L857 garLoopResultBuilder]: For program point L222-7(lines 222 224) no Hoare annotation was computed. [2021-11-07 00:57:45,895 INFO L857 garLoopResultBuilder]: For program point L222-8(lines 222 224) no Hoare annotation was computed. [2021-11-07 00:57:45,896 INFO L857 garLoopResultBuilder]: For program point L222-9(lines 222 224) no Hoare annotation was computed. [2021-11-07 00:57:45,896 INFO L857 garLoopResultBuilder]: For program point L222-10(lines 222 224) no Hoare annotation was computed. [2021-11-07 00:57:45,896 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 00:57:45,896 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,896 INFO L857 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,896 INFO L857 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,897 INFO L857 garLoopResultBuilder]: For program point L223-3(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,897 INFO L857 garLoopResultBuilder]: For program point L223-4(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,897 INFO L857 garLoopResultBuilder]: For program point L223-6(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,897 INFO L857 garLoopResultBuilder]: For program point L223-7(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,897 INFO L857 garLoopResultBuilder]: For program point L223-9(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,897 INFO L857 garLoopResultBuilder]: For program point L223-10(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,897 INFO L857 garLoopResultBuilder]: For program point L223-12(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,898 INFO L857 garLoopResultBuilder]: For program point L223-13(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,898 INFO L857 garLoopResultBuilder]: For program point L223-15(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,898 INFO L857 garLoopResultBuilder]: For program point L223-16(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,898 INFO L857 garLoopResultBuilder]: For program point L223-18(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,898 INFO L857 garLoopResultBuilder]: For program point L223-19(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,898 INFO L857 garLoopResultBuilder]: For program point L223-21(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,898 INFO L857 garLoopResultBuilder]: For program point L223-22(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,899 INFO L857 garLoopResultBuilder]: For program point L223-24(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,899 INFO L857 garLoopResultBuilder]: For program point L223-25(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,899 INFO L857 garLoopResultBuilder]: For program point L223-27(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,899 INFO L857 garLoopResultBuilder]: For program point L223-28(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,899 INFO L857 garLoopResultBuilder]: For program point L223-30(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,899 INFO L857 garLoopResultBuilder]: For program point L223-31(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,899 INFO L860 garLoopResultBuilder]: At program point L7392(line 7392) the Hoare annotation is: true [2021-11-07 00:57:45,900 INFO L857 garLoopResultBuilder]: For program point L4750-3(lines 4750 4763) no Hoare annotation was computed. [2021-11-07 00:57:45,900 INFO L853 garLoopResultBuilder]: At program point L4750-2(lines 4750 4763) the Hoare annotation is: false [2021-11-07 00:57:45,900 INFO L857 garLoopResultBuilder]: For program point L4750-7(lines 4750 4763) no Hoare annotation was computed. [2021-11-07 00:57:45,900 INFO L853 garLoopResultBuilder]: At program point L4750-6(lines 4750 4763) the Hoare annotation is: false [2021-11-07 00:57:45,900 INFO L857 garLoopResultBuilder]: For program point L4750-11(lines 4750 4763) no Hoare annotation was computed. [2021-11-07 00:57:45,900 INFO L853 garLoopResultBuilder]: At program point L4750-10(lines 4750 4763) the Hoare annotation is: false [2021-11-07 00:57:45,901 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,901 INFO L857 garLoopResultBuilder]: For program point L4751(lines 4751 4761) no Hoare annotation was computed. [2021-11-07 00:57:45,901 INFO L857 garLoopResultBuilder]: For program point L4718(line 4718) no Hoare annotation was computed. [2021-11-07 00:57:45,901 INFO L857 garLoopResultBuilder]: For program point L4751-1(lines 4751 4761) no Hoare annotation was computed. [2021-11-07 00:57:45,901 INFO L857 garLoopResultBuilder]: For program point L4718-3(line 4718) no Hoare annotation was computed. [2021-11-07 00:57:45,901 INFO L857 garLoopResultBuilder]: For program point L4751-2(lines 4751 4761) no Hoare annotation was computed. [2021-11-07 00:57:45,902 INFO L857 garLoopResultBuilder]: For program point L4718-2(line 4718) no Hoare annotation was computed. [2021-11-07 00:57:45,902 INFO L857 garLoopResultBuilder]: For program point L4718-7(line 4718) no Hoare annotation was computed. [2021-11-07 00:57:45,902 INFO L857 garLoopResultBuilder]: For program point L4718-5(line 4718) no Hoare annotation was computed. [2021-11-07 00:57:45,902 INFO L853 garLoopResultBuilder]: At program point L4718-6(lines 4715 4719) the Hoare annotation is: false [2021-11-07 00:57:45,902 INFO L857 garLoopResultBuilder]: For program point L4718-12(line 4718) no Hoare annotation was computed. [2021-11-07 00:57:45,902 INFO L857 garLoopResultBuilder]: For program point L4718-9(line 4718) no Hoare annotation was computed. [2021-11-07 00:57:45,902 INFO L857 garLoopResultBuilder]: For program point L4718-10(line 4718) no Hoare annotation was computed. [2021-11-07 00:57:45,903 INFO L857 garLoopResultBuilder]: For program point L4718-16(line 4718) no Hoare annotation was computed. [2021-11-07 00:57:45,903 INFO L853 garLoopResultBuilder]: At program point L4718-13(lines 4715 4719) the Hoare annotation is: false [2021-11-07 00:57:45,903 INFO L857 garLoopResultBuilder]: For program point L4718-14(line 4718) no Hoare annotation was computed. [2021-11-07 00:57:45,903 INFO L857 garLoopResultBuilder]: For program point L4718-19(line 4718) no Hoare annotation was computed. [2021-11-07 00:57:45,903 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 00:57:45,903 INFO L853 garLoopResultBuilder]: At program point L4718-20(lines 4715 4719) the Hoare annotation is: false [2021-11-07 00:57:45,904 INFO L857 garLoopResultBuilder]: For program point L4718-17(line 4718) no Hoare annotation was computed. [2021-11-07 00:57:45,904 INFO L857 garLoopResultBuilder]: For program point L4718-23(line 4718) no Hoare annotation was computed. [2021-11-07 00:57:45,904 INFO L857 garLoopResultBuilder]: For program point L4718-24(line 4718) no Hoare annotation was computed. [2021-11-07 00:57:45,904 INFO L857 garLoopResultBuilder]: For program point L4718-21(line 4718) no Hoare annotation was computed. [2021-11-07 00:57:45,904 INFO L853 garLoopResultBuilder]: At program point L4718-27(lines 4715 4719) the Hoare annotation is: false [2021-11-07 00:57:45,904 INFO L857 garLoopResultBuilder]: For program point L4718-28(line 4718) no Hoare annotation was computed. [2021-11-07 00:57:45,905 INFO L857 garLoopResultBuilder]: For program point L4718-26(line 4718) no Hoare annotation was computed. [2021-11-07 00:57:45,905 INFO L857 garLoopResultBuilder]: For program point L4718-31(line 4718) no Hoare annotation was computed. [2021-11-07 00:57:45,905 INFO L857 garLoopResultBuilder]: For program point L4718-30(line 4718) no Hoare annotation was computed. [2021-11-07 00:57:45,905 INFO L857 garLoopResultBuilder]: For program point L6767-4(lines 6767 6774) no Hoare annotation was computed. [2021-11-07 00:57:45,905 INFO L853 garLoopResultBuilder]: At program point L6767-3(lines 6767 6774) the Hoare annotation is: (not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_push_front_harness_~#list~0.base|)) [2021-11-07 00:57:45,905 INFO L857 garLoopResultBuilder]: For program point L4718-33(line 4718) no Hoare annotation was computed. [2021-11-07 00:57:45,905 INFO L857 garLoopResultBuilder]: For program point L6767-2(lines 6767 6774) no Hoare annotation was computed. [2021-11-07 00:57:45,906 INFO L853 garLoopResultBuilder]: At program point L4718-34(lines 4715 4719) the Hoare annotation is: false [2021-11-07 00:57:45,906 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 00:57:45,906 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,906 INFO L857 garLoopResultBuilder]: For program point L4756-1(lines 4756 4761) no Hoare annotation was computed. [2021-11-07 00:57:45,906 INFO L857 garLoopResultBuilder]: For program point L4756-2(lines 4756 4761) no Hoare annotation was computed. [2021-11-07 00:57:45,906 INFO L857 garLoopResultBuilder]: For program point L4756(lines 4756 4761) no Hoare annotation was computed. [2021-11-07 00:57:45,907 INFO L857 garLoopResultBuilder]: For program point L4989(lines 4989 4997) no Hoare annotation was computed. [2021-11-07 00:57:45,907 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-07 00:57:45,907 INFO L853 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_push_front_harness_~#list~0.base|)) [2021-11-07 00:57:45,920 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-07 00:57:45,922 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 00:57:45,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:57:45 BoogieIcfgContainer [2021-11-07 00:57:45,943 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 00:57:45,944 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 00:57:45,944 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 00:57:45,944 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 00:57:45,945 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:57:40" (3/4) ... [2021-11-07 00:57:45,948 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 00:57:45,981 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2021-11-07 00:57:45,982 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-07 00:57:45,984 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 00:57:45,985 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 00:57:46,022 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == 0bv8 && !(0bv64 == list) [2021-11-07 00:57:46,022 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 0bv8 == \result && !(0bv64 == list) [2021-11-07 00:57:46,124 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 00:57:46,125 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 00:57:46,126 INFO L168 Benchmark]: Toolchain (without parser) took 9936.02 ms. Allocated memory was 60.8 MB in the beginning and 132.1 MB in the end (delta: 71.3 MB). Free memory was 32.4 MB in the beginning and 57.2 MB in the end (delta: -24.8 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. [2021-11-07 00:57:46,127 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 60.8 MB. Free memory is still 41.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:57:46,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3125.73 ms. Allocated memory was 60.8 MB in the beginning and 109.1 MB in the end (delta: 48.2 MB). Free memory was 32.1 MB in the beginning and 44.9 MB in the end (delta: -12.7 MB). Peak memory consumption was 41.0 MB. Max. memory is 16.1 GB. [2021-11-07 00:57:46,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.49 ms. Allocated memory is still 109.1 MB. Free memory was 44.9 MB in the beginning and 67.1 MB in the end (delta: -22.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. [2021-11-07 00:57:46,129 INFO L168 Benchmark]: Boogie Preprocessor took 82.95 ms. Allocated memory is still 109.1 MB. Free memory was 67.1 MB in the beginning and 62.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 00:57:46,129 INFO L168 Benchmark]: RCFGBuilder took 1353.59 ms. Allocated memory is still 109.1 MB. Free memory was 62.2 MB in the beginning and 56.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2021-11-07 00:57:46,130 INFO L168 Benchmark]: TraceAbstraction took 5016.63 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 55.6 MB in the beginning and 71.9 MB in the end (delta: -16.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2021-11-07 00:57:46,130 INFO L168 Benchmark]: Witness Printer took 180.67 ms. Allocated memory is still 132.1 MB. Free memory was 70.9 MB in the beginning and 57.2 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 00:57:46,132 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 60.8 MB. Free memory is still 41.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3125.73 ms. Allocated memory was 60.8 MB in the beginning and 109.1 MB in the end (delta: 48.2 MB). Free memory was 32.1 MB in the beginning and 44.9 MB in the end (delta: -12.7 MB). Peak memory consumption was 41.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 169.49 ms. Allocated memory is still 109.1 MB. Free memory was 44.9 MB in the beginning and 67.1 MB in the end (delta: -22.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.95 ms. Allocated memory is still 109.1 MB. Free memory was 67.1 MB in the beginning and 62.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1353.59 ms. Allocated memory is still 109.1 MB. Free memory was 62.2 MB in the beginning and 56.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5016.63 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 55.6 MB in the beginning and 71.9 MB in the end (delta: -16.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * Witness Printer took 180.67 ms. Allocated memory is still 132.1 MB. Free memory was 70.9 MB in the beginning and 57.2 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 157 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 840 SDtfs, 348 SDslu, 1173 SDs, 0 SdLazy, 102 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 378 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 21 PreInvPairs, 26 NumberOfFragments, 41 HoareAnnotationTreeSize, 21 FomulaSimplifications, 12 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 372 ConstructedInterpolants, 0 QuantifiedInterpolants, 518 SizeOfPredicates, 19 NumberOfNonLiveVariables, 902 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold - InvariantResult [Line: 4691]: Loop Invariant Derived loop invariant: \result == 0bv8 && !(0bv64 == list) - InvariantResult [Line: 4715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7392]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6767]: Loop Invariant Derived loop invariant: !(0bv64 == list) - InvariantResult [Line: 4750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: !(0bv64 == list) - InvariantResult [Line: 4731]: Loop Invariant Derived loop invariant: 0bv8 == \result && !(0bv64 == list) - InvariantResult [Line: 4731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4715]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 00:57:46,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fabef1-3d38-45c0-a840-c453a2036393/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE