./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_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_133dce22-eb76-4e43-bbe6-234f03d0f732/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_133dce22-eb76-4e43-bbe6-234f03d0f732/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_133dce22-eb76-4e43-bbe6-234f03d0f732/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_133dce22-eb76-4e43-bbe6-234f03d0f732/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_133dce22-eb76-4e43-bbe6-234f03d0f732/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_133dce22-eb76-4e43-bbe6-234f03d0f732/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 364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:23:46,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:23:46,624 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_133dce22-eb76-4e43-bbe6-234f03d0f732/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 11:23:46,629 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:23:46,629 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:23:46,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:23:46,663 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:23:46,664 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:23:46,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:23:46,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:23:46,667 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:23:46,667 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:23:46,668 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:23:46,670 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:23:46,670 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:23:46,670 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:23:46,671 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:23:46,671 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:23:46,671 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:23:46,672 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:23:46,672 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:23:46,676 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:23:46,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:23:46,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:23:46,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:23:46,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:23:46,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:23:46,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:23:46,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:23:46,678 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:23:46,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:23:46,678 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:23:46,680 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:23:46,681 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:23:46,681 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:23:46,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:23:46,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:23:46,682 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:23:46,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:23:46,683 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:23:46,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:23:46,684 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:23:46,684 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:23:46,684 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:23:46,685 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_133dce22-eb76-4e43-bbe6-234f03d0f732/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_133dce22-eb76-4e43-bbe6-234f03d0f732/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa [2024-11-02 11:23:47,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:23:47,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:23:47,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:23:47,145 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:23:47,146 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:23:47,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_133dce22-eb76-4e43-bbe6-234f03d0f732/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i Unable to find full path for "g++" [2024-11-02 11:23:49,431 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:23:50,223 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:23:50,223 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_133dce22-eb76-4e43-bbe6-234f03d0f732/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2024-11-02 11:23:50,269 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_133dce22-eb76-4e43-bbe6-234f03d0f732/bin/utaipan-verify-DbMuA5NWw2/data/2c3510a15/f178071b35b84dac81d1d9709086c26b/FLAG43e67668b [2024-11-02 11:23:50,290 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_133dce22-eb76-4e43-bbe6-234f03d0f732/bin/utaipan-verify-DbMuA5NWw2/data/2c3510a15/f178071b35b84dac81d1d9709086c26b [2024-11-02 11:23:50,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:23:50,295 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:23:50,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:23:50,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:23:50,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:23:50,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:50" (1/1) ... [2024-11-02 11:23:50,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbbb7aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:50, skipping insertion in model container [2024-11-02 11:23:50,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:50" (1/1) ... [2024-11-02 11:23:50,443 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:23:50,826 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_133dce22-eb76-4e43-bbe6-234f03d0f732/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i[4499,4512] [2024-11-02 11:23:50,836 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_133dce22-eb76-4e43-bbe6-234f03d0f732/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i[4559,4572] [2024-11-02 11:23:52,106 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:52,108 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:52,109 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:52,110 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:52,112 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:52,133 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:52,134 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:52,137 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:52,138 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,059 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,059 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:23:53,208 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:23:53,225 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_133dce22-eb76-4e43-bbe6-234f03d0f732/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i[4499,4512] [2024-11-02 11:23:53,230 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_133dce22-eb76-4e43-bbe6-234f03d0f732/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i[4559,4572] [2024-11-02 11:23:53,286 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,290 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,291 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,291 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,292 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,308 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,308 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,309 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,314 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-02 11:23:53,568 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,569 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-02 11:23:53,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:23:53,957 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:23:53,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53 WrapperNode [2024-11-02 11:23:53,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:23:53,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:23:53,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:23:53,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:23:53,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:54,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:54,197 INFO L138 Inliner]: procedures = 679, calls = 2730, calls flagged for inlining = 58, calls inlined = 6, statements flattened = 791 [2024-11-02 11:23:54,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:23:54,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:23:54,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:23:54,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:23:54,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:54,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:54,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:54,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:54,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:54,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:54,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:54,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:54,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:23:54,324 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:23:54,324 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:23:54,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:23:54,325 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:54,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:23:54,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_133dce22-eb76-4e43-bbe6-234f03d0f732/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:23:54,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_133dce22-eb76-4e43-bbe6-234f03d0f732/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:23:54,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_133dce22-eb76-4e43-bbe6-234f03d0f732/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:23:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-02 11:23:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-02 11:23:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 11:23:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 11:23:54,453 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 11:23:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-02 11:23:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-02 11:23:54,454 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-02 11:23:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-02 11:23:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 11:23:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 11:23:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-02 11:23:54,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-02 11:23:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-02 11:23:54,455 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-02 11:23:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 11:23:54,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 11:23:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 11:23:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:23:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 11:23:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:23:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:23:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 11:23:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 11:23:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-02 11:23:54,457 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-02 11:23:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-02 11:23:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 11:23:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-02 11:23:54,457 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-02 11:23:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:23:54,458 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:23:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-02 11:23:54,458 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-02 11:23:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 11:23:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-02 11:23:54,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-02 11:23:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 11:23:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2024-11-02 11:23:54,460 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2024-11-02 11:23:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 11:23:54,461 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 11:23:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-02 11:23:54,461 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-02 11:23:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-02 11:23:54,461 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-02 11:23:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 11:23:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2024-11-02 11:23:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:23:54,803 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:23:54,809 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:23:54,991 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2024-11-02 11:24:02,194 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-02 11:24:02,194 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:24:02,905 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:24:02,905 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-02 11:24:02,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:02 BoogieIcfgContainer [2024-11-02 11:24:02,906 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:24:02,908 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:24:02,908 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:24:02,912 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:24:02,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:23:50" (1/3) ... [2024-11-02 11:24:02,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c3c5a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:24:02, skipping insertion in model container [2024-11-02 11:24:02,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (2/3) ... [2024-11-02 11:24:02,914 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c3c5a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:24:02, skipping insertion in model container [2024-11-02 11:24:02,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:02" (3/3) ... [2024-11-02 11:24:02,916 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_array_harness.i [2024-11-02 11:24:02,937 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:24:02,938 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:24:03,023 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:24:03,031 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;@1c1a78df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:24:03,032 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:24:03,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 59 states have (on average 1.1864406779661016) internal successors, (70), 59 states have internal predecessors, (70), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-02 11:24:03,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-02 11:24:03,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:24:03,046 INFO L215 NwaCegarLoop]: trace histogram [5, 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] [2024-11-02 11:24:03,047 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:24:03,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:24:03,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1946586981, now seen corresponding path program 1 times [2024-11-02 11:24:03,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:24:03,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687050356] [2024-11-02 11:24:03,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:03,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms