./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c5bbc9-ea0c-479c-9bbf-05ff7fbf0a62/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c5bbc9-ea0c-479c-9bbf-05ff7fbf0a62/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c5bbc9-ea0c-479c-9bbf-05ff7fbf0a62/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c5bbc9-ea0c-479c-9bbf-05ff7fbf0a62/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c5bbc9-ea0c-479c-9bbf-05ff7fbf0a62/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c5bbc9-ea0c-479c-9bbf-05ff7fbf0a62/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --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 02a1ef197fe295e0adddb84ae3aa2db56396688008aeca91e1ab4b161b42690c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:24:42,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:24:43,067 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c5bbc9-ea0c-479c-9bbf-05ff7fbf0a62/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:24:43,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:24:43,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:24:43,100 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:24:43,100 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:24:43,101 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:24:43,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:24:43,102 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:24:43,102 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:24:43,102 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:24:43,103 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:24:43,103 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:24:43,104 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:24:43,104 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:24:43,104 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:24:43,105 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:24:43,105 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:24:43,106 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:24:43,106 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:24:43,110 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:24:43,111 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:24:43,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:24:43,112 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:24:43,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:24:43,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:24:43,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:24:43,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:24:43,113 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:24:43,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:24:43,118 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:24:43,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:24:43,119 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:24:43,119 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:24:43,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:24:43,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:24:43,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:24:43,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:24:43,121 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:24:43,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:24:43,123 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:24:43,124 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:24:43,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:24:43,124 INFO L153 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_b2c5bbc9-ea0c-479c-9bbf-05ff7fbf0a62/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c5bbc9-ea0c-479c-9bbf-05ff7fbf0a62/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02a1ef197fe295e0adddb84ae3aa2db56396688008aeca91e1ab4b161b42690c [2024-11-02 12:24:43,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:24:43,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:24:43,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:24:43,487 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:24:43,487 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:24:43,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c5bbc9-ea0c-479c-9bbf-05ff7fbf0a62/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i Unable to find full path for "g++" [2024-11-02 12:24:45,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:24:46,627 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:24:46,631 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c5bbc9-ea0c-479c-9bbf-05ff7fbf0a62/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i [2024-11-02 12:24:46,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c5bbc9-ea0c-479c-9bbf-05ff7fbf0a62/bin/utaipan-verify-DbMuA5NWw2/data/667346ca1/c8aa9d3a4be7400eb79f25a775bb6211/FLAG372a166c2 [2024-11-02 12:24:46,979 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c5bbc9-ea0c-479c-9bbf-05ff7fbf0a62/bin/utaipan-verify-DbMuA5NWw2/data/667346ca1/c8aa9d3a4be7400eb79f25a775bb6211 [2024-11-02 12:24:46,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:24:46,984 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:24:46,985 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:24:46,986 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:24:46,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:24:46,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:24:46" (1/1) ... [2024-11-02 12:24:46,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715aba36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:46, skipping insertion in model container [2024-11-02 12:24:46,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:24:46" (1/1) ... [2024-11-02 12:24:47,115 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:24:47,477 WARN L251 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_b2c5bbc9-ea0c-479c-9bbf-05ff7fbf0a62/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i[4505,4518] [2024-11-02 12:24:47,487 WARN L251 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_b2c5bbc9-ea0c-479c-9bbf-05ff7fbf0a62/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i[4565,4578] [2024-11-02 12:24:48,616 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:48,618 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:48,618 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:48,619 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:48,621 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:48,637 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:48,637 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:48,640 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:48,640 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:49,407 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:49,407 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:49,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:24:49,519 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:24:49,537 WARN L251 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_b2c5bbc9-ea0c-479c-9bbf-05ff7fbf0a62/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i[4505,4518] [2024-11-02 12:24:49,542 WARN L251 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_b2c5bbc9-ea0c-479c-9bbf-05ff7fbf0a62/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i[4565,4578] [2024-11-02 12:24:49,640 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:49,645 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:49,645 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:49,646 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:49,647 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:49,665 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:49,666 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:49,667 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:49,670 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:49,835 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:49,835 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:49,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-02 12:24:49,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:24:50,154 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:24:50,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:50 WrapperNode [2024-11-02 12:24:50,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:24:50,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:24:50,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:24:50,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:24:50,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:50" (1/1) ... [2024-11-02 12:24:50,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:50" (1/1) ... [2024-11-02 12:24:50,370 INFO L138 Inliner]: procedures = 678, calls = 1530, calls flagged for inlining = 52, calls inlined = 9, statements flattened = 765 [2024-11-02 12:24:50,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:24:50,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:24:50,372 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:24:50,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:24:50,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:50" (1/1) ... [2024-11-02 12:24:50,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:50" (1/1) ... [2024-11-02 12:24:50,402 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:50" (1/1) ... [2024-11-02 12:24:50,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:50" (1/1) ... [2024-11-02 12:24:50,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:50" (1/1) ... [2024-11-02 12:24:50,459 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:50" (1/1) ... [2024-11-02 12:24:50,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:50" (1/1) ... [2024-11-02 12:24:50,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:50" (1/1) ... [2024-11-02 12:24:50,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:24:50,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:24:50,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:24:50,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:24:50,515 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:50" (1/1) ... [2024-11-02 12:24:50,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:24:50,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c5bbc9-ea0c-479c-9bbf-05ff7fbf0a62/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:24:50,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c5bbc9-ea0c-479c-9bbf-05ff7fbf0a62/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:24:50,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c5bbc9-ea0c-479c-9bbf-05ff7fbf0a62/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:24:50,597 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-02 12:24:50,597 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-02 12:24:50,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:24:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-02 12:24:50,599 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-02 12:24:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:24:50,600 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:24:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-02 12:24:50,600 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-02 12:24:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:24:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:24:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-02 12:24:50,600 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-02 12:24:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:24:50,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:24:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:24:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:24:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:24:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:24:50,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:24:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:24:50,601 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:24:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-02 12:24:50,602 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-02 12:24:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-02 12:24:50,602 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-02 12:24:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:24:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-02 12:24:50,602 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-02 12:24:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-02 12:24:50,604 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-02 12:24:50,604 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:24:50,604 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:24:50,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:24:50,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:24:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:24:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:24:50,606 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:24:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-02 12:24:50,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-02 12:24:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:24:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-02 12:24:50,607 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-02 12:24:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-02 12:24:50,607 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-02 12:24:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:24:50,998 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:24:51,001 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:24:55,485 INFO L? ?]: Removed 151 outVars from TransFormulas that were not future-live. [2024-11-02 12:24:55,486 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:24:56,081 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:24:56,083 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-02 12:24:56,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:56 BoogieIcfgContainer [2024-11-02 12:24:56,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:24:56,086 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:24:56,088 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:24:56,091 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:24:56,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:24:46" (1/3) ... [2024-11-02 12:24:56,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f92cf2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:24:56, skipping insertion in model container [2024-11-02 12:24:56,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:50" (2/3) ... [2024-11-02 12:24:56,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f92cf2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:24:56, skipping insertion in model container [2024-11-02 12:24:56,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:56" (3/3) ... [2024-11-02 12:24:56,097 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness.i [2024-11-02 12:24:56,119 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:24:56,120 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:24:56,221 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:24:56,229 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3945a2b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:24:56,229 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:24:56,237 INFO L276 IsEmpty]: Start isEmpty. Operand has 175 states, 97 states have (on average 1.2061855670103092) internal successors, (117), 97 states have internal predecessors, (117), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-02 12:24:56,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-02 12:24:56,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:24:56,257 INFO L215 NwaCegarLoop]: trace histogram [10, 9, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:24:56,257 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:24:56,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:24:56,265 INFO L85 PathProgramCache]: Analyzing trace with hash -2138898474, now seen corresponding path program 1 times [2024-11-02 12:24:56,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:24:56,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201628274] [2024-11-02 12:24:56,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:24:56,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:25:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:25:05,952 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-11-02 12:25:05,953 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:25:05,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201628274] [2024-11-02 12:25:05,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201628274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:25:05,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:25:05,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:25:05,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386630306] [2024-11-02 12:25:05,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:25:05,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:25:05,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:25:05,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:25:05,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:25:05,997 INFO L87 Difference]: Start difference. First operand has 175 states, 97 states have (on average 1.2061855670103092) internal successors, (117), 97 states have internal predecessors, (117), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-02 12:25:08,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:25:08,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:25:08,803 INFO L93 Difference]: Finished difference Result 315 states and 443 transitions. [2024-11-02 12:25:08,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:25:08,806 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 107 [2024-11-02 12:25:08,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:25:08,824 INFO L225 Difference]: With dead ends: 315 [2024-11-02 12:25:08,824 INFO L226 Difference]: Without dead ends: 171 [2024-11-02 12:25:08,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:25:08,838 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-02 12:25:08,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 212 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2024-11-02 12:25:08,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-02 12:25:08,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-11-02 12:25:08,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 92 states have (on average 1.184782608695652) internal successors, (109), 94 states have internal predecessors, (109), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-02 12:25:08,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 231 transitions. [2024-11-02 12:25:08,933 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 231 transitions. Word has length 107 [2024-11-02 12:25:08,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:25:08,936 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 231 transitions. [2024-11-02 12:25:08,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-02 12:25:08,937 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 231 transitions. [2024-11-02 12:25:08,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-02 12:25:08,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:25:08,942 INFO L215 NwaCegarLoop]: trace histogram [12, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:25:08,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:25:08,942 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:25:08,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:25:08,943 INFO L85 PathProgramCache]: Analyzing trace with hash 835820001, now seen corresponding path program 1 times [2024-11-02 12:25:08,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:25:08,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903920516] [2024-11-02 12:25:08,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:25:08,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:25:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat