./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E --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 d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:31:18,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:31:18,173 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-13 23:31:18,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:31:18,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:31:18,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:31:18,218 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:31:18,219 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:31:18,219 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:31:18,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:31:18,220 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:31:18,221 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:31:18,221 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:31:18,221 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:31:18,221 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:31:18,221 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:31:18,221 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:31:18,222 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:31:18,222 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:31:18,222 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:31:18,222 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:31:18,222 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:31:18,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:31:18,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:31:18,222 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:31:18,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:31:18,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:31:18,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:31:18,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:31:18,224 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:31:18,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:31:18,224 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:31:18,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:31:18,224 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:31:18,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:31:18,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:31:18,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:31:18,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:31:18,226 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:31:18,226 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:31:18,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:31:18,226 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:31:18,226 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:31:18,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:31:18,226 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E 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 -> d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 [2024-11-13 23:31:18,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:31:18,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:31:18,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:31:18,603 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:31:18,604 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:31:18,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i Unable to find full path for "g++" [2024-11-13 23:31:20,560 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:31:21,163 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:31:21,165 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i [2024-11-13 23:31:21,209 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/data/06e31202e/4092117913d947e9a79ef2c171e78ee3/FLAG8bbcdd714 [2024-11-13 23:31:21,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/data/06e31202e/4092117913d947e9a79ef2c171e78ee3 [2024-11-13 23:31:21,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:31:21,229 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:31:21,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:31:21,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:31:21,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:31:21,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:31:21" (1/1) ... [2024-11-13 23:31:21,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa30bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:21, skipping insertion in model container [2024-11-13 23:31:21,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:31:21" (1/1) ... [2024-11-13 23:31:21,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:31:21,609 WARN L250 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_005cbb40-2a19-4bb7-a05e-66ec97608e5e/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4497,4510] [2024-11-13 23:31:21,615 WARN L250 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_005cbb40-2a19-4bb7-a05e-66ec97608e5e/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4557,4570] [2024-11-13 23:31:22,579 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:22,580 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:22,581 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:22,582 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:22,583 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:22,605 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:22,609 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:22,611 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:22,616 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:22,618 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:22,619 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:22,624 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:22,624 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:23,278 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:23,286 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:23,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:31:23,409 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:31:23,422 WARN L250 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_005cbb40-2a19-4bb7-a05e-66ec97608e5e/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4497,4510] [2024-11-13 23:31:23,423 WARN L250 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_005cbb40-2a19-4bb7-a05e-66ec97608e5e/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4557,4570] [2024-11-13 23:31:23,497 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:23,501 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:23,501 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:23,502 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:23,505 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:23,520 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:23,521 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:23,522 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:23,524 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:23,525 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:23,527 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:23,528 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:23,529 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:23,637 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:23,648 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:31:23,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7747-7758] [2024-11-13 23:31:23,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:31:23,961 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:31:23,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:23 WrapperNode [2024-11-13 23:31:23,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:31:23,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:31:23,962 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:31:23,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:31:23,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:23" (1/1) ... [2024-11-13 23:31:24,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:23" (1/1) ... [2024-11-13 23:31:24,100 INFO L138 Inliner]: procedures = 679, calls = 1682, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 617 [2024-11-13 23:31:24,101 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:31:24,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:31:24,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:31:24,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:31:24,109 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:23" (1/1) ... [2024-11-13 23:31:24,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:23" (1/1) ... [2024-11-13 23:31:24,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:23" (1/1) ... [2024-11-13 23:31:24,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:23" (1/1) ... [2024-11-13 23:31:24,143 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:23" (1/1) ... [2024-11-13 23:31:24,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:23" (1/1) ... [2024-11-13 23:31:24,152 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:23" (1/1) ... [2024-11-13 23:31:24,159 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:23" (1/1) ... [2024-11-13 23:31:24,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:31:24,175 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:31:24,175 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:31:24,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:31:24,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:23" (1/1) ... [2024-11-13 23:31:24,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:31:24,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:31:24,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:31:24,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:31:24,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:31:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-13 23:31:24,284 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-13 23:31:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-13 23:31:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-13 23:31:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-13 23:31:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-13 23:31:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-13 23:31:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:31:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-13 23:31:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-13 23:31:24,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:31:24,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:31:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 23:31:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:31:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 23:31:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:31:24,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:31:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-13 23:31:24,287 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-13 23:31:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-13 23:31:24,287 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-13 23:31:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-13 23:31:24,289 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-13 23:31:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-13 23:31:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:31:24,290 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:31:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:31:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 23:31:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 23:31:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-13 23:31:24,290 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-13 23:31:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-13 23:31:24,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-13 23:31:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:31:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-13 23:31:24,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-13 23:31:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:31:24,638 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:31:24,640 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:31:28,514 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-11-13 23:31:28,514 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:31:28,857 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:31:28,857 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:31:28,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:31:28 BoogieIcfgContainer [2024-11-13 23:31:28,858 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:31:28,861 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:31:28,862 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:31:28,868 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:31:28,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:31:21" (1/3) ... [2024-11-13 23:31:28,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680b0b75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:31:28, skipping insertion in model container [2024-11-13 23:31:28,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:23" (2/3) ... [2024-11-13 23:31:28,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680b0b75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:31:28, skipping insertion in model container [2024-11-13 23:31:28,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:31:28" (3/3) ... [2024-11-13 23:31:28,871 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_capacity_harness.i [2024-11-13 23:31:28,891 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:31:28,893 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_array_list_capacity_harness.i that has 13 procedures, 99 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-13 23:31:28,970 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:31:28,987 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;@42e72f76, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:31:28,987 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:31:28,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 55 states have internal predecessors, (64), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-13 23:31:29,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 23:31:29,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:31:29,006 INFO L215 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:31:29,007 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:31:29,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:31:29,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1862878612, now seen corresponding path program 1 times [2024-11-13 23:31:29,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:31:29,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974218561] [2024-11-13 23:31:29,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:31:29,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:31:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:38,375 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 23:31:38,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:31:38,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974218561] [2024-11-13 23:31:38,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974218561] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:31:38,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425436509] [2024-11-13 23:31:38,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:31:38,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:31:38,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:31:38,382 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:31:38,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 23:31:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:46,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 4023 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:31:46,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:46,596 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 23:31:46,597 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:31:46,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425436509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:31:46,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:31:46,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-13 23:31:46,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728777512] [2024-11-13 23:31:46,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:31:46,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:31:46,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:31:46,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:31:46,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-13 23:31:46,628 INFO L87 Difference]: Start difference. First operand has 99 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 55 states have internal predecessors, (64), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-13 23:31:48,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:31:50,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:31:53,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:31:54,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:31:54,334 INFO L93 Difference]: Finished difference Result 169 states and 229 transitions. [2024-11-13 23:31:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:31:54,337 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 58 [2024-11-13 23:31:54,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:31:54,347 INFO L225 Difference]: With dead ends: 169 [2024-11-13 23:31:54,347 INFO L226 Difference]: Without dead ends: 99 [2024-11-13 23:31:54,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-13 23:31:54,357 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 22 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2024-11-13 23:31:54,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 362 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 3 Unknown, 0 Unchecked, 7.6s Time] [2024-11-13 23:31:54,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-13 23:31:54,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-13 23:31:54,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 54 states have (on average 1.1666666666666667) internal successors, (63), 56 states have internal predecessors, (63), 31 states have call successors, (31), 12 states have call predecessors, (31), 13 states have return successors, (32), 30 states have call predecessors, (32), 30 states have call successors, (32) [2024-11-13 23:31:54,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 126 transitions. [2024-11-13 23:31:54,411 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 126 transitions. Word has length 58 [2024-11-13 23:31:54,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:31:54,413 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 126 transitions. [2024-11-13 23:31:54,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-13 23:31:54,414 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 126 transitions. [2024-11-13 23:31:54,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 23:31:54,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:31:54,419 INFO L215 NwaCegarLoop]: trace histogram [6, 3, 3, 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] [2024-11-13 23:31:54,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 23:31:54,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-13 23:31:54,621 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:31:54,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:31:54,621 INFO L85 PathProgramCache]: Analyzing trace with hash -261720422, now seen corresponding path program 1 times [2024-11-13 23:31:54,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:31:54,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604653610] [2024-11-13 23:31:54,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:31:54,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:32:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:01,919 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 23:32:01,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:32:01,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604653610] [2024-11-13 23:32:01,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604653610] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:32:01,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507811159] [2024-11-13 23:32:01,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:32:01,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:32:01,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:32:01,923 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:32:01,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 23:32:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:08,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 4127 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:08,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:09,076 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 23:32:09,076 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:32:09,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507811159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:32:09,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:32:09,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2024-11-13 23:32:09,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731332513] [2024-11-13 23:32:09,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:32:09,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:32:09,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:32:09,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:32:09,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-13 23:32:09,080 INFO L87 Difference]: Start difference. First operand 99 states and 126 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-13 23:32:11,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:32:13,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:32:15,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:32:17,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:32:19,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:32:19,045 INFO L93 Difference]: Finished difference Result 156 states and 196 transitions. [2024-11-13 23:32:19,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:32:19,045 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 67 [2024-11-13 23:32:19,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:32:19,048 INFO L225 Difference]: With dead ends: 156 [2024-11-13 23:32:19,048 INFO L226 Difference]: Without dead ends: 97 [2024-11-13 23:32:19,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-13 23:32:19,050 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 20 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 10 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-13 23:32:19,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 458 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 98 Invalid, 4 Unknown, 0 Unchecked, 9.9s Time] [2024-11-13 23:32:19,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-13 23:32:19,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-13 23:32:19,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 53 states have (on average 1.150943396226415) internal successors, (61), 54 states have internal predecessors, (61), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-13 23:32:19,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 122 transitions. [2024-11-13 23:32:19,068 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 122 transitions. Word has length 67 [2024-11-13 23:32:19,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:32:19,068 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 122 transitions. [2024-11-13 23:32:19,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-13 23:32:19,068 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 122 transitions. [2024-11-13 23:32:19,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 23:32:19,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:32:19,071 INFO L215 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:32:19,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 23:32:19,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:32:19,272 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:32:19,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:32:19,272 INFO L85 PathProgramCache]: Analyzing trace with hash 111174596, now seen corresponding path program 1 times [2024-11-13 23:32:19,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:32:19,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293173860] [2024-11-13 23:32:19,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:32:19,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:32:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:32:31,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1176981557] [2024-11-13 23:32:31,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:32:31,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:32:31,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:32:31,944 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:32:31,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005cbb40-2a19-4bb7-a05e-66ec97608e5e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process