./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ed96ec-7856-492a-9f0b-8b6e1489d422/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ed96ec-7856-492a-9f0b-8b6e1489d422/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_a5ed96ec-7856-492a-9f0b-8b6e1489d422/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ed96ec-7856-492a-9f0b-8b6e1489d422/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ed96ec-7856-492a-9f0b-8b6e1489d422/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_a5ed96ec-7856-492a-9f0b-8b6e1489d422/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 717a04d93cdb05e0e1badb8a5b5a815e5ffe711ba3ffceb407a0dd65280ab4bb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:37:00,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:37:00,738 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ed96ec-7856-492a-9f0b-8b6e1489d422/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:37:00,747 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:37:00,748 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:37:00,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:37:00,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:37:00,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:37:00,786 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:37:00,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:37:00,788 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:37:00,788 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:37:00,789 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:37:00,789 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:37:00,789 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:37:00,790 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:37:00,790 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:37:00,790 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:37:00,791 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:37:00,794 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:37:00,794 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:37:00,795 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:37:00,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:37:00,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:37:00,796 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:37:00,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:37:00,797 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:37:00,797 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:37:00,797 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:37:00,798 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:37:00,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:37:00,798 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:37:00,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:37:00,803 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:37:00,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:37:00,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:37:00,804 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:37:00,804 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:37:00,804 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:37:00,805 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:37:00,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:37:00,807 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:37:00,807 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:37:00,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:37:00,808 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_a5ed96ec-7856-492a-9f0b-8b6e1489d422/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ed96ec-7856-492a-9f0b-8b6e1489d422/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 717a04d93cdb05e0e1badb8a5b5a815e5ffe711ba3ffceb407a0dd65280ab4bb [2024-11-02 12:37:01,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:37:01,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:37:01,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:37:01,158 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:37:01,159 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:37:01,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ed96ec-7856-492a-9f0b-8b6e1489d422/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.i Unable to find full path for "g++" [2024-11-02 12:37:03,295 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:37:03,774 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:37:03,777 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ed96ec-7856-492a-9f0b-8b6e1489d422/sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.i [2024-11-02 12:37:03,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ed96ec-7856-492a-9f0b-8b6e1489d422/bin/utaipan-verify-DbMuA5NWw2/data/e3750b7ea/4f7835065cf04c3fbbe52d4c930a681c/FLAG1d1d42ceb [2024-11-02 12:37:03,837 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ed96ec-7856-492a-9f0b-8b6e1489d422/bin/utaipan-verify-DbMuA5NWw2/data/e3750b7ea/4f7835065cf04c3fbbe52d4c930a681c [2024-11-02 12:37:03,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:37:03,842 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:37:03,845 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:37:03,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:37:03,853 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:37:03,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:37:03" (1/1) ... [2024-11-02 12:37:03,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10440f26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:03, skipping insertion in model container [2024-11-02 12:37:03,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:37:03" (1/1) ... [2024-11-02 12:37:03,979 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:37:04,287 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_a5ed96ec-7856-492a-9f0b-8b6e1489d422/sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.i[4497,4510] [2024-11-02 12:37:04,324 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_a5ed96ec-7856-492a-9f0b-8b6e1489d422/sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.i[4557,4570] [2024-11-02 12:37:05,297 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:05,305 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:05,305 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:05,307 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:05,314 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:05,365 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:05,366 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:05,373 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:05,374 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:06,012 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:06,013 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:06,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:37:06,110 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:37:06,131 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_a5ed96ec-7856-492a-9f0b-8b6e1489d422/sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.i[4497,4510] [2024-11-02 12:37:06,132 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_a5ed96ec-7856-492a-9f0b-8b6e1489d422/sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.i[4557,4570] [2024-11-02 12:37:06,216 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:06,220 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:06,221 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:06,221 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:06,225 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:06,237 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:06,239 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:06,241 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:06,242 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:06,429 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:06,433 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:06,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-02 12:37:06,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:37:06,757 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:37:06,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:06 WrapperNode [2024-11-02 12:37:06,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:37:06,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:37:06,760 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:37:06,760 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:37:06,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:06" (1/1) ... [2024-11-02 12:37:06,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:06" (1/1) ... [2024-11-02 12:37:06,958 INFO L138 Inliner]: procedures = 678, calls = 1543, calls flagged for inlining = 54, calls inlined = 9, statements flattened = 673 [2024-11-02 12:37:06,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:37:06,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:37:06,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:37:06,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:37:06,977 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:06" (1/1) ... [2024-11-02 12:37:06,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:06" (1/1) ... [2024-11-02 12:37:06,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:06" (1/1) ... [2024-11-02 12:37:06,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:06" (1/1) ... [2024-11-02 12:37:07,040 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:06" (1/1) ... [2024-11-02 12:37:07,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:06" (1/1) ... [2024-11-02 12:37:07,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:06" (1/1) ... [2024-11-02 12:37:07,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:06" (1/1) ... [2024-11-02 12:37:07,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:37:07,079 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:37:07,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:37:07,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:37:07,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:06" (1/1) ... [2024-11-02 12:37:07,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:37:07,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ed96ec-7856-492a-9f0b-8b6e1489d422/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:37:07,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ed96ec-7856-492a-9f0b-8b6e1489d422/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:37:07,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5ed96ec-7856-492a-9f0b-8b6e1489d422/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:37:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-02 12:37:07,162 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-02 12:37:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:37:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-02 12:37:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-02 12:37:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-02 12:37:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-02 12:37:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:37:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:37:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:37:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:37:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-02 12:37:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-02 12:37:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:37:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:37:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:37:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:37:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-02 12:37:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-02 12:37:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:37:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:37:07,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:37:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:37:07,167 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:37:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-02 12:37:07,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-02 12:37:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-02 12:37:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-02 12:37:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-02 12:37:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-02 12:37:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:37:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-02 12:37:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-02 12:37:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-02 12:37:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-02 12:37:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:37:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:37:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:37:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:37:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:37:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:37:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:37:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-02 12:37:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-02 12:37:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:37:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2024-11-02 12:37:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2024-11-02 12:37:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-02 12:37:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-02 12:37:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:37:07,567 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:37:07,569 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:37:11,732 INFO L? ?]: Removed 144 outVars from TransFormulas that were not future-live. [2024-11-02 12:37:11,732 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:37:12,349 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:37:12,349 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:37:12,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:37:12 BoogieIcfgContainer [2024-11-02 12:37:12,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:37:12,352 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:37:12,352 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:37:12,356 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:37:12,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:37:03" (1/3) ... [2024-11-02 12:37:12,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a81fac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:37:12, skipping insertion in model container [2024-11-02 12:37:12,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:06" (2/3) ... [2024-11-02 12:37:12,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a81fac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:37:12, skipping insertion in model container [2024-11-02 12:37:12,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:37:12" (3/3) ... [2024-11-02 12:37:12,359 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_size_harness.i [2024-11-02 12:37:12,380 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:37:12,381 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:37:12,472 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:37:12,483 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;@aceef5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:37:12,483 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:37:12,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 84 states have (on average 1.1785714285714286) internal successors, (99), 85 states have internal predecessors, (99), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-02 12:37:12,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-02 12:37:12,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:12,504 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 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] [2024-11-02 12:37:12,505 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:37:12,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:12,511 INFO L85 PathProgramCache]: Analyzing trace with hash 2011926957, now seen corresponding path program 1 times [2024-11-02 12:37:12,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:37:12,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974042837] [2024-11-02 12:37:12,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:12,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:37:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:37:22,661 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-02 12:37:22,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:37:22,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974042837] [2024-11-02 12:37:22,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974042837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:37:22,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:37:22,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:37:22,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913753536] [2024-11-02 12:37:22,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:37:22,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:37:22,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:37:22,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:37:22,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:37:22,718 INFO L87 Difference]: Start difference. First operand has 150 states, 84 states have (on average 1.1785714285714286) internal successors, (99), 85 states have internal predecessors, (99), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-02 12:37:24,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:37:27,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:37:29,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:37:31,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:37:31,004 INFO L93 Difference]: Finished difference Result 254 states and 334 transitions. [2024-11-02 12:37:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:37:31,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 109 [2024-11-02 12:37:31,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:37:31,024 INFO L225 Difference]: With dead ends: 254 [2024-11-02 12:37:31,024 INFO L226 Difference]: Without dead ends: 148 [2024-11-02 12:37:31,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:37:31,033 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 6 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-11-02 12:37:31,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 594 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 3 Unknown, 0 Unchecked, 8.2s Time] [2024-11-02 12:37:31,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-02 12:37:31,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2024-11-02 12:37:31,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 83 states have (on average 1.1566265060240963) internal successors, (96), 84 states have internal predecessors, (96), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-02 12:37:31,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 187 transitions. [2024-11-02 12:37:31,110 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 187 transitions. Word has length 109 [2024-11-02 12:37:31,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:37:31,113 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 187 transitions. [2024-11-02 12:37:31,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-02 12:37:31,114 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 187 transitions. [2024-11-02 12:37:31,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-02 12:37:31,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:31,118 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 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] [2024-11-02 12:37:31,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:37:31,119 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:37:31,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:31,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1478116621, now seen corresponding path program 1 times [2024-11-02 12:37:31,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:37:31,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530111618] [2024-11-02 12:37:31,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:31,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms