./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e927e911c23486d4682cc4d9150666f96dac934e6255a36a06c854492483c520 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:31:00,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:31:00,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:31:00,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:31:00,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:31:00,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:31:00,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:31:00,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:31:00,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:31:00,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:31:00,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:31:00,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:31:00,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:31:00,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:31:00,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:31:00,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:31:00,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:31:00,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:31:00,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:31:00,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:31:00,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:31:00,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:31:00,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:31:00,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:31:00,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:31:00,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:31:00,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:31:00,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:31:00,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:31:00,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:31:00,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:31:00,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:31:00,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:31:00,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:31:00,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:31:00,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:31:00,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:31:00,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:31:00,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:31:00,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:31:00,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:31:00,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 01:31:00,379 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:31:00,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:31:00,381 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:31:00,381 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:31:00,382 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:31:00,382 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:31:00,382 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:31:00,382 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:31:00,390 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:31:00,391 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:31:00,392 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:31:00,392 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:31:00,393 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:31:00,393 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:31:00,393 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:31:00,394 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:31:00,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:31:00,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:31:00,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:31:00,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:31:00,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:31:00,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:31:00,396 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:31:00,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:31:00,397 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:31:00,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:31:00,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:31:00,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:31:00,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:31:00,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:31:00,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:31:00,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:31:00,401 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:31:00,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:31:00,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:31:00,402 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:31:00,403 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:31:00,403 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_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e927e911c23486d4682cc4d9150666f96dac934e6255a36a06c854492483c520 [2021-11-13 01:31:00,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:31:00,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:31:00,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:31:00,787 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:31:00,788 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:31:00,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i [2021-11-13 01:31:00,875 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/data/ac3fd8bc0/ba270e222fef4c7f8c3d51341d099e27/FLAG67b580f20 [2021-11-13 01:31:01,950 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:31:01,951 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i [2021-11-13 01:31:02,009 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/data/ac3fd8bc0/ba270e222fef4c7f8c3d51341d099e27/FLAG67b580f20 [2021-11-13 01:31:02,317 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/data/ac3fd8bc0/ba270e222fef4c7f8c3d51341d099e27 [2021-11-13 01:31:02,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:31:02,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:31:02,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:31:02,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:31:02,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:31:02,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:31:02" (1/1) ... [2021-11-13 01:31:02,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21767d14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:31:02, skipping insertion in model container [2021-11-13 01:31:02,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:31:02" (1/1) ... [2021-11-13 01:31:02,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:31:02,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:31:02,832 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_1b6add36-43b6-42ae-8f3a-f41895a7cb96/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i[4484,4497] [2021-11-13 01:31:02,840 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_1b6add36-43b6-42ae-8f3a-f41895a7cb96/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i[4544,4557] [2021-11-13 01:31:02,867 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-13 01:31:02,873 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-13 01:31:03,943 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:03,944 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:03,945 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:03,962 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:03,965 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:03,997 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:03,998 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:04,000 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:04,000 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:04,002 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:04,005 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:04,006 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:04,006 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:04,676 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:04,677 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:04,693 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:04,694 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:04,706 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:04,707 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:04,719 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:04,722 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:04,724 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:04,725 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:04,725 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:04,727 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:04,728 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:05,000 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-13 01:31:05,005 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-13 01:31:05,006 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-13 01:31:05,008 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-13 01:31:05,010 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-13 01:31:05,011 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-13 01:31:05,012 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-13 01:31:05,013 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-13 01:31:05,015 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-13 01:31:05,015 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-13 01:31:05,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:31:05,225 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) [2021-11-13 01:31:05,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b4cfccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:31:05, skipping insertion in model container [2021-11-13 01:31:05,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:31:05,243 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 01:31:05,246 INFO L158 Benchmark]: Toolchain (without parser) took 2922.62ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 59.7MB in the beginning and 90.0MB in the end (delta: -30.3MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2021-11-13 01:31:05,248 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory was 75.8MB in the beginning and 75.8MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:31:05,250 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2919.14ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 59.5MB in the beginning and 90.0MB in the end (delta: -30.5MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2021-11-13 01:31:05,253 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory was 75.8MB in the beginning and 75.8MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2919.14ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 59.5MB in the beginning and 90.0MB in the end (delta: -30.5MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5796]: 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_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e927e911c23486d4682cc4d9150666f96dac934e6255a36a06c854492483c520 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:31:07,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:31:07,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:31:08,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:31:08,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:31:08,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:31:08,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:31:08,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:31:08,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:31:08,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:31:08,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:31:08,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:31:08,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:31:08,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:31:08,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:31:08,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:31:08,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:31:08,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:31:08,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:31:08,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:31:08,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:31:08,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:31:08,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:31:08,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:31:08,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:31:08,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:31:08,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:31:08,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:31:08,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:31:08,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:31:08,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:31:08,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:31:08,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:31:08,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:31:08,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:31:08,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:31:08,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:31:08,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:31:08,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:31:08,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:31:08,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:31:08,152 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 01:31:08,201 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:31:08,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:31:08,203 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:31:08,204 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:31:08,204 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:31:08,204 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:31:08,204 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:31:08,204 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:31:08,205 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:31:08,205 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:31:08,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:31:08,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:31:08,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:31:08,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:31:08,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:31:08,209 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:31:08,209 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 01:31:08,209 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 01:31:08,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:31:08,210 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:31:08,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:31:08,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:31:08,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 01:31:08,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:31:08,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:31:08,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:31:08,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:31:08,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:31:08,212 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 01:31:08,212 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 01:31:08,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:31:08,212 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:31:08,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:31:08,213 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_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e927e911c23486d4682cc4d9150666f96dac934e6255a36a06c854492483c520 [2021-11-13 01:31:08,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:31:08,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:31:08,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:31:08,759 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:31:08,761 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:31:08,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i [2021-11-13 01:31:08,852 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/data/34d53a236/487e769321ac4d77a996eaf7fe93aee3/FLAG4726eb33f [2021-11-13 01:31:09,846 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:31:09,848 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i [2021-11-13 01:31:09,903 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/data/34d53a236/487e769321ac4d77a996eaf7fe93aee3/FLAG4726eb33f [2021-11-13 01:31:10,247 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/data/34d53a236/487e769321ac4d77a996eaf7fe93aee3 [2021-11-13 01:31:10,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:31:10,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:31:10,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:31:10,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:31:10,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:31:10,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:31:10" (1/1) ... [2021-11-13 01:31:10,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@723b3321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:31:10, skipping insertion in model container [2021-11-13 01:31:10,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:31:10" (1/1) ... [2021-11-13 01:31:10,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:31:10,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:31:10,803 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_1b6add36-43b6-42ae-8f3a-f41895a7cb96/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i[4484,4497] [2021-11-13 01:31:10,811 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_1b6add36-43b6-42ae-8f3a-f41895a7cb96/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i[4544,4557] [2021-11-13 01:31:10,844 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-13 01:31:10,857 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-13 01:31:11,876 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:11,877 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:11,877 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:11,879 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:11,880 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:11,901 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:11,902 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:11,904 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:11,906 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:11,908 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:11,910 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:11,911 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:11,912 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:12,629 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:12,630 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:12,642 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:12,644 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:12,669 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:12,670 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:12,678 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:12,679 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:12,681 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:12,681 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:12,682 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:12,683 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:12,683 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:12,984 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-13 01:31:12,986 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-13 01:31:12,987 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-13 01:31:12,989 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-13 01:31:12,990 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-13 01:31:12,991 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-13 01:31:12,992 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-13 01:31:12,993 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-13 01:31:12,994 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-13 01:31:12,995 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-13 01:31:13,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:31:13,164 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 01:31:13,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:31:13,254 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_1b6add36-43b6-42ae-8f3a-f41895a7cb96/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i[4484,4497] [2021-11-13 01:31:13,255 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_1b6add36-43b6-42ae-8f3a-f41895a7cb96/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i[4544,4557] [2021-11-13 01:31:13,257 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-13 01:31:13,257 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-13 01:31:13,297 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,298 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,298 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,299 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,299 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,307 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,308 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,309 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,310 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,311 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,312 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,312 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,313 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,444 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,445 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,449 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,450 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,454 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,454 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,458 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,459 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,460 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,460 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,461 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,461 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,462 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,514 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-13 01:31:13,515 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-13 01:31:13,516 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-13 01:31:13,517 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-13 01:31:13,518 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-13 01:31:13,519 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-13 01:31:13,519 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-13 01:31:13,520 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-13 01:31:13,520 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-13 01:31:13,521 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-13 01:31:13,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:31:13,536 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:31:13,553 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_1b6add36-43b6-42ae-8f3a-f41895a7cb96/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i[4484,4497] [2021-11-13 01:31:13,553 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_1b6add36-43b6-42ae-8f3a-f41895a7cb96/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i[4544,4557] [2021-11-13 01:31:13,555 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-13 01:31:13,556 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-13 01:31:13,595 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,595 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,596 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,596 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,597 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,604 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,605 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,606 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,607 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,608 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,609 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,609 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,610 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,747 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,748 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,752 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,753 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,757 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,757 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,761 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,762 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,763 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,764 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,764 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,765 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,765 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 01:31:13,814 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-13 01:31:13,815 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-13 01:31:13,815 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-13 01:31:13,816 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-13 01:31:13,817 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-13 01:31:13,818 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-13 01:31:13,818 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-13 01:31:13,819 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-13 01:31:13,819 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-13 01:31:13,820 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-13 01:31:13,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:31:14,309 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:31:14,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:31:14 WrapperNode [2021-11-13 01:31:14,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:31:14,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:31:14,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:31:14,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:31:14,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:31:14" (1/1) ... [2021-11-13 01:31:14,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:31:14" (1/1) ... [2021-11-13 01:31:14,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:31:14,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:31:14,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:31:14,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:31:14,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:31:14" (1/1) ... [2021-11-13 01:31:14,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:31:14" (1/1) ... [2021-11-13 01:31:14,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:31:14" (1/1) ... [2021-11-13 01:31:14,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:31:14" (1/1) ... [2021-11-13 01:31:14,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:31:14" (1/1) ... [2021-11-13 01:31:14,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:31:14" (1/1) ... [2021-11-13 01:31:14,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:31:14" (1/1) ... [2021-11-13 01:31:14,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:31:14,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:31:14,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:31:14,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:31:14,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:31:14" (1/1) ... [2021-11-13 01:31:14,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:31:14,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:31:14,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:31:14,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:31:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-13 01:31:14,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-13 01:31:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:31:14,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:31:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:31:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 01:31:15,365 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:31:15,378 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 01:31:15,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:31:15 BoogieIcfgContainer [2021-11-13 01:31:15,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:31:15,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:31:15,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:31:15,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:31:15,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:31:10" (1/3) ... [2021-11-13 01:31:15,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7b7176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:31:15, skipping insertion in model container [2021-11-13 01:31:15,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:31:14" (2/3) ... [2021-11-13 01:31:15,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7b7176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:31:15, skipping insertion in model container [2021-11-13 01:31:15,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:31:15" (3/3) ... [2021-11-13 01:31:15,400 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_ptr_eq_harness.i [2021-11-13 01:31:15,407 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:31:15,408 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 01:31:15,483 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 01:31:15,492 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 [2021-11-13 01:31:15,493 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 01:31:15,512 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 01:31:15,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 01:31:15,517 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:31:15,518 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:31:15,519 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:31:15,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:31:15,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1804399352, now seen corresponding path program 1 times [2021-11-13 01:31:15,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:31:15,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1083683159] [2021-11-13 01:31:15,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:31:15,542 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:31:15,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:31:15,545 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:31:15,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 01:31:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:31:15,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-13 01:31:15,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:31:16,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:31:16,648 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:31:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:31:16,864 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:31:16,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1083683159] [2021-11-13 01:31:16,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1083683159] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:31:16,866 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:31:16,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-13 01:31:16,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028855195] [2021-11-13 01:31:16,871 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:31:16,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 01:31:16,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:31:16,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 01:31:16,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-13 01:31:16,923 INFO L87 Difference]: Start difference. First operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:31:17,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:31:17,082 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2021-11-13 01:31:17,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:31:17,086 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-13 01:31:17,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:31:17,093 INFO L225 Difference]: With dead ends: 20 [2021-11-13 01:31:17,093 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 01:31:17,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:31:17,101 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 15 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.97ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.54ms IncrementalHoareTripleChecker+Time [2021-11-13 01:31:17,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 30 Invalid, 17 Unknown, 0 Unchecked, 1.97ms Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 41.54ms Time] [2021-11-13 01:31:17,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 01:31:17,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 01:31:17,131 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) [2021-11-13 01:31:17,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 01:31:17,133 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2021-11-13 01:31:17,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:31:17,133 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 01:31:17,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:31:17,134 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 01:31:17,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 01:31:17,137 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 01:31:17,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 01:31:17,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:31:17,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-13 01:31:17,528 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-13 01:31:17,528 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-13 01:31:17,528 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-13 01:31:17,528 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-13 01:31:17,528 INFO L858 garLoopResultBuilder]: For program point L8630-1(lines 8624 8631) no Hoare annotation was computed. [2021-11-13 01:31:17,529 INFO L854 garLoopResultBuilder]: At program point L8632(line 8632) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_aws_ptr_eq_harness_~p2~0#1.offset| |ULTIMATE.start_aws_ptr_eq_harness_~p1~0#1.offset|)) (.cse0 (= |ULTIMATE.start_aws_ptr_eq_harness_~p2~0#1.base| |ULTIMATE.start_aws_ptr_eq_harness_~p1~0#1.base|))) (let ((.cse2 (or (not .cse1) (not .cse0)))) (and (or (and .cse0 (= (_ bv1 8) |ULTIMATE.start_aws_ptr_eq_#res#1|) .cse1) (and (= |ULTIMATE.start_aws_ptr_eq_#res#1| (_ bv0 8)) .cse2)) (or (and (= |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1| (_ bv0 8)) .cse2) (and (= (_ bv1 8) |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1|) .cse0 .cse1))))) [2021-11-13 01:31:17,529 INFO L854 garLoopResultBuilder]: At program point L6804(lines 6802 6805) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_aws_ptr_eq_harness_~p2~0#1.offset| |ULTIMATE.start_aws_ptr_eq_harness_~p1~0#1.offset|)) (.cse0 (= |ULTIMATE.start_aws_ptr_eq_harness_~p2~0#1.base| |ULTIMATE.start_aws_ptr_eq_harness_~p1~0#1.base|))) (or (and .cse0 (= (_ bv1 8) |ULTIMATE.start_aws_ptr_eq_#res#1|) .cse1) (and (= |ULTIMATE.start_aws_ptr_eq_#res#1| (_ bv0 8)) (or (not .cse1) (not .cse0))))) [2021-11-13 01:31:17,529 INFO L854 garLoopResultBuilder]: At program point L8630(line 8630) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_aws_ptr_eq_harness_~p2~0#1.offset| |ULTIMATE.start_aws_ptr_eq_harness_~p1~0#1.offset|)) (.cse0 (= |ULTIMATE.start_aws_ptr_eq_harness_~p2~0#1.base| |ULTIMATE.start_aws_ptr_eq_harness_~p1~0#1.base|))) (let ((.cse2 (or (not .cse1) (not .cse0)))) (and (or (and .cse0 (= (_ bv1 8) |ULTIMATE.start_aws_ptr_eq_#res#1|) .cse1) (and (= |ULTIMATE.start_aws_ptr_eq_#res#1| (_ bv0 8)) .cse2)) (or (and (= |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1| (_ bv0 8)) .cse2) (and (= (_ bv1 8) |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1|) .cse0 .cse1))))) [2021-11-13 01:31:17,530 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-13 01:31:17,530 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-11-13 01:31:17,530 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-13 01:31:17,530 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-11-13 01:31:17,530 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-11-13 01:31:17,531 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-13 01:31:17,535 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-13 01:31:17,537 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 01:31:17,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:31:17 BoogieIcfgContainer [2021-11-13 01:31:17,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 01:31:17,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 01:31:17,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 01:31:17,555 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 01:31:17,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:31:15" (3/4) ... [2021-11-13 01:31:17,559 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 01:31:17,567 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-13 01:31:17,571 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-13 01:31:17,571 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-13 01:31:17,572 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 01:31:17,572 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 01:31:17,600 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((p2 == p1 && 1bv8 == \result) && p2 == p1) || (\result == 0bv8 && (!(p2 == p1) || !(p2 == p1))) [2021-11-13 01:31:17,601 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((p2 == p1 && 1bv8 == \result) && p2 == p1) || (\result == 0bv8 && (!(p2 == p1) || !(p2 == p1)))) && ((rval == 0bv8 && (!(p2 == p1) || !(p2 == p1))) || ((1bv8 == rval && p2 == p1) && p2 == p1)) [2021-11-13 01:31:17,610 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-13 01:31:17,610 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 01:31:17,611 INFO L158 Benchmark]: Toolchain (without parser) took 7359.18ms. Allocated memory was 75.5MB in the beginning and 169.9MB in the end (delta: 94.4MB). Free memory was 45.0MB in the beginning and 99.3MB in the end (delta: -54.3MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2021-11-13 01:31:17,612 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 54.5MB. Free memory was 34.8MB in the beginning and 34.7MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:31:17,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4054.92ms. Allocated memory was 75.5MB in the beginning and 132.1MB in the end (delta: 56.6MB). Free memory was 44.7MB in the beginning and 59.4MB in the end (delta: -14.7MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2021-11-13 01:31:17,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 280.20ms. Allocated memory is still 132.1MB. Free memory was 59.4MB in the beginning and 53.1MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 01:31:17,614 INFO L158 Benchmark]: Boogie Preprocessor took 108.01ms. Allocated memory is still 132.1MB. Free memory was 53.1MB in the beginning and 50.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 01:31:17,614 INFO L158 Benchmark]: RCFGBuilder took 679.12ms. Allocated memory is still 132.1MB. Free memory was 50.3MB in the beginning and 68.1MB in the end (delta: -17.7MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-13 01:31:17,615 INFO L158 Benchmark]: TraceAbstraction took 2171.65ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 68.1MB in the beginning and 102.4MB in the end (delta: -34.3MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2021-11-13 01:31:17,615 INFO L158 Benchmark]: Witness Printer took 55.74ms. Allocated memory is still 169.9MB. Free memory was 101.4MB in the beginning and 99.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:31:17,619 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 54.5MB. Free memory was 34.8MB in the beginning and 34.7MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4054.92ms. Allocated memory was 75.5MB in the beginning and 132.1MB in the end (delta: 56.6MB). Free memory was 44.7MB in the beginning and 59.4MB in the end (delta: -14.7MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 280.20ms. Allocated memory is still 132.1MB. Free memory was 59.4MB in the beginning and 53.1MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.01ms. Allocated memory is still 132.1MB. Free memory was 53.1MB in the beginning and 50.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 679.12ms. Allocated memory is still 132.1MB. Free memory was 50.3MB in the beginning and 68.1MB in the end (delta: -17.7MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2171.65ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 68.1MB in the beginning and 102.4MB in the end (delta: -34.3MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * Witness Printer took 55.74ms. Allocated memory is still 169.9MB. Free memory was 101.4MB in the beginning and 99.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 41.54ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 36.56ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 7 mSDtfsCounter, 15 mSolverCounterSat, 1.97ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 5 NumberOfFragments, 123 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 SizeOfPredicates, 10 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 1 specifications checked. All of them hold - InvariantResult [Line: 6802]: Loop Invariant Derived loop invariant: ((p2 == p1 && 1bv8 == \result) && p2 == p1) || (\result == 0bv8 && (!(p2 == p1) || !(p2 == p1))) - InvariantResult [Line: 8632]: Loop Invariant Derived loop invariant: (((p2 == p1 && 1bv8 == \result) && p2 == p1) || (\result == 0bv8 && (!(p2 == p1) || !(p2 == p1)))) && ((rval == 0bv8 && (!(p2 == p1) || !(p2 == p1))) || ((1bv8 == rval && p2 == p1) && p2 == p1)) RESULT: Ultimate proved your program to be correct! [2021-11-13 01:31:17,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6add36-43b6-42ae-8f3a-f41895a7cb96/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE