./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/bin/utaipan-verify-mE87zJ7Ire --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 32bit --witnessprinter.graph.data.programhash ff5be3465740cb655882704e7eef418c95d0bbd56a2060e741c7d3e996e58af7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:38,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:38,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:23:38,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:38,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:38,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:38,519 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:38,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:38,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:38,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:38,522 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:38,523 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:38,523 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:38,524 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:23:38,525 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:38,526 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:38,526 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:23:38,527 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:23:38,528 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:38,528 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:23:38,529 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:23:38,530 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:23:38,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:38,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:38,532 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:23:38,533 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:23:38,533 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:23:38,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:38,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:38,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:38,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:38,536 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:23:38,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:38,537 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:38,538 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:38,556 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:38,557 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:38,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:38,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:38,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:38,558 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:38,559 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:23:38,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:23:38,559 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:38,560 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:38,560 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:38,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:38,561 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_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff5be3465740cb655882704e7eef418c95d0bbd56a2060e741c7d3e996e58af7 [2023-11-23 21:23:38,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:23:38,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:23:38,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:23:38,890 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:23:38,890 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:23:38,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i [2023-11-23 21:23:42,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:42,469 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:42,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i [2023-11-23 21:23:42,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/bin/utaipan-verify-mE87zJ7Ire/data/910741893/b86128312c99443e91824bcc33c70cdb/FLAGedc99cfbe [2023-11-23 21:23:42,521 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/bin/utaipan-verify-mE87zJ7Ire/data/910741893/b86128312c99443e91824bcc33c70cdb [2023-11-23 21:23:42,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:42,530 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:42,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:42,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:42,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:42,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:42" (1/1) ... [2023-11-23 21:23:42,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb9278d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:42, skipping insertion in model container [2023-11-23 21:23:42,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:42" (1/1) ... [2023-11-23 21:23:42,631 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:43,283 WARN L240 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_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[44118,44131] [2023-11-23 21:23:43,297 WARN L240 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_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[44660,44673] [2023-11-23 21:23:43,442 WARN L240 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_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[56247,56260] [2023-11-23 21:23:43,443 WARN L240 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_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[56368,56381] [2023-11-23 21:23:43,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:43,466 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:43,507 WARN L240 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_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[44118,44131] [2023-11-23 21:23:43,515 WARN L240 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_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[44660,44673] [2023-11-23 21:23:43,643 WARN L240 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_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[56247,56260] [2023-11-23 21:23:43,660 WARN L240 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_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[56368,56381] [2023-11-23 21:23:43,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:43,759 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:43,795 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:43,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:43 WrapperNode [2023-11-23 21:23:43,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:43,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:43,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:43,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:43,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:43" (1/1) ... [2023-11-23 21:23:43,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:43" (1/1) ... [2023-11-23 21:23:43,977 INFO L138 Inliner]: procedures = 282, calls = 294, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1373 [2023-11-23 21:23:43,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:43,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:43,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:43,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:43,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:43" (1/1) ... [2023-11-23 21:23:43,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:43" (1/1) ... [2023-11-23 21:23:44,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:43" (1/1) ... [2023-11-23 21:23:44,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:43" (1/1) ... [2023-11-23 21:23:44,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:43" (1/1) ... [2023-11-23 21:23:44,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:43" (1/1) ... [2023-11-23 21:23:44,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:43" (1/1) ... [2023-11-23 21:23:44,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:43" (1/1) ... [2023-11-23 21:23:44,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:44,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:44,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:44,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:44,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:43" (1/1) ... [2023-11-23 21:23:44,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:44,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:44,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:44,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:44,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:23:44,234 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 21:23:44,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:23:44,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:23:44,234 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-23 21:23:44,234 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-23 21:23:44,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:23:44,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 21:23:44,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 21:23:44,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:23:44,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:23:44,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:44,237 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-23 21:23:44,238 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-23 21:23:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:23:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-23 21:23:44,239 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-23 21:23:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:23:44,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:44,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:44,501 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:44,504 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:46,097 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:47,850 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:47,850 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-23 21:23:47,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:47 BoogieIcfgContainer [2023-11-23 21:23:47,852 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:47,855 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:47,855 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:47,858 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:47,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:42" (1/3) ... [2023-11-23 21:23:47,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39fa4643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:47, skipping insertion in model container [2023-11-23 21:23:47,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:43" (2/3) ... [2023-11-23 21:23:47,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39fa4643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:47, skipping insertion in model container [2023-11-23 21:23:47,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:47" (3/3) ... [2023-11-23 21:23:47,862 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test6-1.i [2023-11-23 21:23:47,883 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:47,884 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-23 21:23:47,956 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:47,964 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@67bd1531, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:47,965 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-23 21:23:47,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 128 states have (on average 1.671875) internal successors, (214), 132 states have internal predecessors, (214), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:23:47,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 21:23:47,981 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:47,982 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:47,982 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 21:23:47,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:47,990 INFO L85 PathProgramCache]: Analyzing trace with hash 870067896, now seen corresponding path program 1 times [2023-11-23 21:23:48,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:48,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911679841] [2023-11-23 21:23:48,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:48,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:48,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:23:48,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:48,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911679841] [2023-11-23 21:23:48,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911679841] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:48,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:48,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:23:48,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721384558] [2023-11-23 21:23:48,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:48,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:23:48,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:48,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:23:48,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:23:48,311 INFO L87 Difference]: Start difference. First operand has 150 states, 128 states have (on average 1.671875) internal successors, (214), 132 states have internal predecessors, (214), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:23:50,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:53,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:55,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:55,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:55,188 INFO L93 Difference]: Finished difference Result 239 states and 391 transitions. [2023-11-23 21:23:55,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:23:55,191 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-23 21:23:55,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:55,202 INFO L225 Difference]: With dead ends: 239 [2023-11-23 21:23:55,202 INFO L226 Difference]: Without dead ends: 80 [2023-11-23 21:23:55,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:23:55,213 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:55,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2023-11-23 21:23:55,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-23 21:23:55,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-23 21:23:55,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 69 states have (on average 1.2028985507246377) internal successors, (83), 73 states have internal predecessors, (83), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-23 21:23:55,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 92 transitions. [2023-11-23 21:23:55,273 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 92 transitions. Word has length 7 [2023-11-23 21:23:55,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:55,273 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 92 transitions. [2023-11-23 21:23:55,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:23:55,274 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2023-11-23 21:23:55,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 21:23:55,276 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:55,277 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:55,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:23:55,277 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 21:23:55,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:55,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1296453882, now seen corresponding path program 1 times [2023-11-23 21:23:55,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:55,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320740200] [2023-11-23 21:23:55,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:55,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:55,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:23:55,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:55,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320740200] [2023-11-23 21:23:55,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320740200] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:55,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:55,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:23:55,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389237294] [2023-11-23 21:23:55,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:55,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:23:55,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:55,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:23:55,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:23:55,496 INFO L87 Difference]: Start difference. First operand 80 states and 92 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:23:55,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:55,527 INFO L93 Difference]: Finished difference Result 80 states and 92 transitions. [2023-11-23 21:23:55,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:23:55,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-23 21:23:55,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:55,528 INFO L225 Difference]: With dead ends: 80 [2023-11-23 21:23:55,528 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:23:55,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:23:55,535 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 1 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:55,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 0 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:23:55,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:23:55,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:23:55,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:23:55,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:23:55,541 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2023-11-23 21:23:55,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:55,544 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:23:55,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:23:55,545 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:23:55,545 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:23:55,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-11-23 21:23:55,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2023-11-23 21:23:55,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2023-11-23 21:23:55,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2023-11-23 21:23:55,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:23:55,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:23:55,625 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 949 956) the Hoare annotation is: true [2023-11-23 21:23:55,626 INFO L902 garLoopResultBuilder]: At program point L953(line 953) the Hoare annotation is: true [2023-11-23 21:23:55,626 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 954) no Hoare annotation was computed. [2023-11-23 21:23:55,627 INFO L899 garLoopResultBuilder]: For program point alt_mallocEXIT(lines 949 956) no Hoare annotation was computed. [2023-11-23 21:23:55,628 INFO L899 garLoopResultBuilder]: For program point L952-1(lines 952 954) no Hoare annotation was computed. [2023-11-23 21:23:55,628 INFO L899 garLoopResultBuilder]: For program point L961(line 961) no Hoare annotation was computed. [2023-11-23 21:23:55,629 INFO L899 garLoopResultBuilder]: For program point L960(lines 960 962) no Hoare annotation was computed. [2023-11-23 21:23:55,631 INFO L899 garLoopResultBuilder]: For program point alt_freeEXIT(lines 957 964) no Hoare annotation was computed. [2023-11-23 21:23:55,637 INFO L899 garLoopResultBuilder]: For program point L960-2(lines 960 962) no Hoare annotation was computed. [2023-11-23 21:23:55,637 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 957 964) the Hoare annotation is: true [2023-11-23 21:23:55,637 INFO L899 garLoopResultBuilder]: For program point alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2023-11-23 21:23:55,637 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-23 21:23:55,638 INFO L899 garLoopResultBuilder]: For program point alt_bzeroEXIT(lines 972 976) no Hoare annotation was computed. [2023-11-23 21:23:55,638 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 972 976) the Hoare annotation is: true [2023-11-23 21:23:55,639 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2023-11-23 21:23:55,639 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:23:55,639 INFO L899 garLoopResultBuilder]: For program point L989-1(lines 989 997) no Hoare annotation was computed. [2023-11-23 21:23:55,639 INFO L899 garLoopResultBuilder]: For program point L989-3(lines 989 997) no Hoare annotation was computed. [2023-11-23 21:23:55,640 INFO L895 garLoopResultBuilder]: At program point L989-4(lines 989 997) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 21:23:55,641 INFO L899 garLoopResultBuilder]: For program point L989-5(lines 989 997) no Hoare annotation was computed. [2023-11-23 21:23:55,642 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2023-11-23 21:23:55,642 INFO L899 garLoopResultBuilder]: For program point L998-1(lines 998 1006) no Hoare annotation was computed. [2023-11-23 21:23:55,642 INFO L899 garLoopResultBuilder]: For program point L998-3(lines 998 1006) no Hoare annotation was computed. [2023-11-23 21:23:55,642 INFO L895 garLoopResultBuilder]: At program point L998-4(lines 998 1006) the Hoare annotation is: false [2023-11-23 21:23:55,642 INFO L899 garLoopResultBuilder]: For program point L998-5(lines 998 1006) no Hoare annotation was computed. [2023-11-23 21:23:55,642 INFO L899 garLoopResultBuilder]: For program point L996-68(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,643 INFO L902 garLoopResultBuilder]: At program point L996-69(line 996) the Hoare annotation is: true [2023-11-23 21:23:55,643 INFO L899 garLoopResultBuilder]: For program point L996-70(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,643 INFO L902 garLoopResultBuilder]: At program point L996-71(line 996) the Hoare annotation is: true [2023-11-23 21:23:55,643 INFO L899 garLoopResultBuilder]: For program point L1001-3(line 1001) no Hoare annotation was computed. [2023-11-23 21:23:55,643 INFO L895 garLoopResultBuilder]: At program point L1001-4(line 1001) the Hoare annotation is: false [2023-11-23 21:23:55,644 INFO L899 garLoopResultBuilder]: For program point L1001-5(line 1001) no Hoare annotation was computed. [2023-11-23 21:23:55,644 INFO L899 garLoopResultBuilder]: For program point L999-68(line 999) no Hoare annotation was computed. [2023-11-23 21:23:55,644 INFO L895 garLoopResultBuilder]: At program point L1001-6(line 1001) the Hoare annotation is: false [2023-11-23 21:23:55,644 INFO L895 garLoopResultBuilder]: At program point L999-69(line 999) the Hoare annotation is: false [2023-11-23 21:23:55,644 INFO L899 garLoopResultBuilder]: For program point L1001-7(line 1001) no Hoare annotation was computed. [2023-11-23 21:23:55,645 INFO L899 garLoopResultBuilder]: For program point L999-70(line 999) no Hoare annotation was computed. [2023-11-23 21:23:55,645 INFO L895 garLoopResultBuilder]: At program point L999-71(line 999) the Hoare annotation is: false [2023-11-23 21:23:55,645 INFO L899 garLoopResultBuilder]: For program point L1001-12(line 1001) no Hoare annotation was computed. [2023-11-23 21:23:55,645 INFO L899 garLoopResultBuilder]: For program point L996-170(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,645 INFO L899 garLoopResultBuilder]: For program point L1001-15(line 1001) no Hoare annotation was computed. [2023-11-23 21:23:55,645 INFO L902 garLoopResultBuilder]: At program point L996-171(line 996) the Hoare annotation is: true [2023-11-23 21:23:55,646 INFO L895 garLoopResultBuilder]: At program point L1001-16(line 1001) the Hoare annotation is: false [2023-11-23 21:23:55,646 INFO L899 garLoopResultBuilder]: For program point L996-172(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,646 INFO L899 garLoopResultBuilder]: For program point L1001-17(line 1001) no Hoare annotation was computed. [2023-11-23 21:23:55,646 INFO L899 garLoopResultBuilder]: For program point L996-173(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,647 INFO L902 garLoopResultBuilder]: At program point L996-174(line 996) the Hoare annotation is: true [2023-11-23 21:23:55,647 INFO L899 garLoopResultBuilder]: For program point L996-175(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,648 INFO L902 garLoopResultBuilder]: At program point L996-176(line 996) the Hoare annotation is: true [2023-11-23 21:23:55,648 INFO L899 garLoopResultBuilder]: For program point L996-178(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,648 INFO L899 garLoopResultBuilder]: For program point L996-180(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,648 INFO L899 garLoopResultBuilder]: For program point L996-181(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,648 INFO L899 garLoopResultBuilder]: For program point L1001-26(line 1001) no Hoare annotation was computed. [2023-11-23 21:23:55,649 INFO L895 garLoopResultBuilder]: At program point L1001-27(line 1001) the Hoare annotation is: false [2023-11-23 21:23:55,649 INFO L895 garLoopResultBuilder]: At program point L996-183(line 996) the Hoare annotation is: false [2023-11-23 21:23:55,649 INFO L899 garLoopResultBuilder]: For program point L996-184(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,649 INFO L895 garLoopResultBuilder]: At program point L996-185(line 996) the Hoare annotation is: false [2023-11-23 21:23:55,649 INFO L899 garLoopResultBuilder]: For program point L996-186(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,649 INFO L899 garLoopResultBuilder]: For program point L996-187(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,650 INFO L895 garLoopResultBuilder]: At program point L996-188(line 996) the Hoare annotation is: false [2023-11-23 21:23:55,650 INFO L899 garLoopResultBuilder]: For program point L996-189(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,650 INFO L895 garLoopResultBuilder]: At program point L996-191(line 996) the Hoare annotation is: false [2023-11-23 21:23:55,650 INFO L899 garLoopResultBuilder]: For program point L996-192(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,650 INFO L899 garLoopResultBuilder]: For program point L996-193(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,650 INFO L899 garLoopResultBuilder]: For program point L1001-38(line 1001) no Hoare annotation was computed. [2023-11-23 21:23:55,651 INFO L895 garLoopResultBuilder]: At program point L996-194(line 996) the Hoare annotation is: false [2023-11-23 21:23:55,651 INFO L895 garLoopResultBuilder]: At program point L1001-39(line 1001) the Hoare annotation is: false [2023-11-23 21:23:55,651 INFO L899 garLoopResultBuilder]: For program point L996-195(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,651 INFO L899 garLoopResultBuilder]: For program point L1001-40(line 1001) no Hoare annotation was computed. [2023-11-23 21:23:55,651 INFO L899 garLoopResultBuilder]: For program point L1001-41(line 1001) no Hoare annotation was computed. [2023-11-23 21:23:55,651 INFO L899 garLoopResultBuilder]: For program point L1001-42(line 1001) no Hoare annotation was computed. [2023-11-23 21:23:55,652 INFO L899 garLoopResultBuilder]: For program point L996-198(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,654 INFO L895 garLoopResultBuilder]: At program point L1001-43(line 1001) the Hoare annotation is: false [2023-11-23 21:23:55,654 INFO L895 garLoopResultBuilder]: At program point L996-199(line 996) the Hoare annotation is: false [2023-11-23 21:23:55,654 INFO L899 garLoopResultBuilder]: For program point L1001-44(line 1001) no Hoare annotation was computed. [2023-11-23 21:23:55,656 INFO L899 garLoopResultBuilder]: For program point L996-207(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,656 INFO L895 garLoopResultBuilder]: At program point L996-208(line 996) the Hoare annotation is: false [2023-11-23 21:23:55,656 INFO L899 garLoopResultBuilder]: For program point L996-215(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,656 INFO L895 garLoopResultBuilder]: At program point L996-217(line 996) the Hoare annotation is: false [2023-11-23 21:23:55,657 INFO L899 garLoopResultBuilder]: For program point L996-218(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,657 INFO L899 garLoopResultBuilder]: For program point L996-219(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,657 INFO L895 garLoopResultBuilder]: At program point L996-221(line 996) the Hoare annotation is: false [2023-11-23 21:23:55,657 INFO L899 garLoopResultBuilder]: For program point L996-222(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,657 INFO L899 garLoopResultBuilder]: For program point L996-232(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,657 INFO L899 garLoopResultBuilder]: For program point L996-242(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,658 INFO L895 garLoopResultBuilder]: At program point L996-243(line 996) the Hoare annotation is: false [2023-11-23 21:23:55,658 INFO L899 garLoopResultBuilder]: For program point L996-244(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,659 INFO L899 garLoopResultBuilder]: For program point L1004(line 1004) no Hoare annotation was computed. [2023-11-23 21:23:55,659 INFO L895 garLoopResultBuilder]: At program point L996-253(line 996) the Hoare annotation is: false [2023-11-23 21:23:55,659 INFO L895 garLoopResultBuilder]: At program point L996-255(line 996) the Hoare annotation is: false [2023-11-23 21:23:55,659 INFO L899 garLoopResultBuilder]: For program point L996-256(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,659 INFO L895 garLoopResultBuilder]: At program point L996-257(line 996) the Hoare annotation is: false [2023-11-23 21:23:55,659 INFO L899 garLoopResultBuilder]: For program point L996-258(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,660 INFO L899 garLoopResultBuilder]: For program point L999-170(line 999) no Hoare annotation was computed. [2023-11-23 21:23:55,660 INFO L899 garLoopResultBuilder]: For program point L996-264(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,660 INFO L895 garLoopResultBuilder]: At program point L999-171(line 999) the Hoare annotation is: false [2023-11-23 21:23:55,660 INFO L899 garLoopResultBuilder]: For program point L996-265(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,660 INFO L899 garLoopResultBuilder]: For program point L999-172(line 999) no Hoare annotation was computed. [2023-11-23 21:23:55,661 INFO L895 garLoopResultBuilder]: At program point L996-266(line 996) the Hoare annotation is: false [2023-11-23 21:23:55,661 INFO L899 garLoopResultBuilder]: For program point L999-173(line 999) no Hoare annotation was computed. [2023-11-23 21:23:55,661 INFO L895 garLoopResultBuilder]: At program point L999-174(line 999) the Hoare annotation is: false [2023-11-23 21:23:55,661 INFO L899 garLoopResultBuilder]: For program point L996-268(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,661 INFO L899 garLoopResultBuilder]: For program point L999-175(line 999) no Hoare annotation was computed. [2023-11-23 21:23:55,661 INFO L899 garLoopResultBuilder]: For program point L996-269(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,662 INFO L895 garLoopResultBuilder]: At program point L999-176(line 999) the Hoare annotation is: false [2023-11-23 21:23:55,662 INFO L895 garLoopResultBuilder]: At program point L996-270(line 996) the Hoare annotation is: false [2023-11-23 21:23:55,662 INFO L899 garLoopResultBuilder]: For program point L996-271(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,662 INFO L899 garLoopResultBuilder]: For program point L999-178(line 999) no Hoare annotation was computed. [2023-11-23 21:23:55,662 INFO L899 garLoopResultBuilder]: For program point L996-272(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,662 INFO L895 garLoopResultBuilder]: At program point L996-273(line 996) the Hoare annotation is: false [2023-11-23 21:23:55,663 INFO L899 garLoopResultBuilder]: For program point L996-274(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,663 INFO L895 garLoopResultBuilder]: At program point L996-275(line 996) the Hoare annotation is: false [2023-11-23 21:23:55,663 INFO L899 garLoopResultBuilder]: For program point L996-276(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,663 INFO L899 garLoopResultBuilder]: For program point L996-277(line 996) no Hoare annotation was computed. [2023-11-23 21:23:55,663 INFO L902 garLoopResultBuilder]: At program point L996-278(line 996) the Hoare annotation is: true [2023-11-23 21:23:55,663 INFO L899 garLoopResultBuilder]: For program point L999-185(line 999) no Hoare annotation was computed. [2023-11-23 21:23:55,664 INFO L895 garLoopResultBuilder]: At program point L999-186(line 999) the Hoare annotation is: false [2023-11-23 21:23:55,664 INFO L899 garLoopResultBuilder]: For program point L999-187(line 999) no Hoare annotation was computed. [2023-11-23 21:23:55,664 INFO L899 garLoopResultBuilder]: For program point L999-188(line 999) no Hoare annotation was computed. [2023-11-23 21:23:55,664 INFO L899 garLoopResultBuilder]: For program point L999-190(line 999) no Hoare annotation was computed. [2023-11-23 21:23:55,666 INFO L895 garLoopResultBuilder]: At program point L999-191(line 999) the Hoare annotation is: false [2023-11-23 21:23:55,667 INFO L899 garLoopResultBuilder]: For program point L999-197(line 999) no Hoare annotation was computed. [2023-11-23 21:23:55,667 INFO L899 garLoopResultBuilder]: For program point L999-198(line 999) no Hoare annotation was computed. [2023-11-23 21:23:55,667 INFO L899 garLoopResultBuilder]: For program point L999-201(line 999) no Hoare annotation was computed. [2023-11-23 21:23:55,667 INFO L899 garLoopResultBuilder]: For program point L999-202(line 999) no Hoare annotation was computed. [2023-11-23 21:23:55,668 INFO L899 garLoopResultBuilder]: For program point L999-204(line 999) no Hoare annotation was computed. [2023-11-23 21:23:55,672 INFO L895 garLoopResultBuilder]: At program point L999-205(line 999) the Hoare annotation is: false [2023-11-23 21:23:55,672 INFO L895 garLoopResultBuilder]: At program point L999-207(line 999) the Hoare annotation is: false [2023-11-23 21:23:55,672 INFO L899 garLoopResultBuilder]: For program point L999-208(line 999) no Hoare annotation was computed. [2023-11-23 21:23:55,673 INFO L895 garLoopResultBuilder]: At program point L999-209(line 999) the Hoare annotation is: false [2023-11-23 21:23:55,673 INFO L899 garLoopResultBuilder]: For program point L999-211(line 999) no Hoare annotation was computed. [2023-11-23 21:23:55,673 INFO L899 garLoopResultBuilder]: For program point L999-213(line 999) no Hoare annotation was computed. [2023-11-23 21:23:55,673 INFO L895 garLoopResultBuilder]: At program point L999-214(line 999) the Hoare annotation is: false [2023-11-23 21:23:55,673 INFO L899 garLoopResultBuilder]: For program point L999-215(line 999) no Hoare annotation was computed. [2023-11-23 21:23:55,673 INFO L899 garLoopResultBuilder]: For program point L999-216(line 999) no Hoare annotation was computed. [2023-11-23 21:23:55,675 INFO L895 garLoopResultBuilder]: At program point L999-217(line 999) the Hoare annotation is: false [2023-11-23 21:23:55,675 INFO L899 garLoopResultBuilder]: For program point L999-218(lines 998 1006) no Hoare annotation was computed. [2023-11-23 21:23:55,675 INFO L895 garLoopResultBuilder]: At program point L1007-3(lines 1007 1009) the Hoare annotation is: false [2023-11-23 21:23:55,676 INFO L895 garLoopResultBuilder]: At program point L1007-4(lines 1007 1009) the Hoare annotation is: false [2023-11-23 21:23:55,676 INFO L899 garLoopResultBuilder]: For program point L1008(line 1008) no Hoare annotation was computed. [2023-11-23 21:23:55,676 INFO L895 garLoopResultBuilder]: At program point L1010(line 1010) the Hoare annotation is: false [2023-11-23 21:23:55,676 INFO L895 garLoopResultBuilder]: At program point L1011(line 1011) the Hoare annotation is: false [2023-11-23 21:23:55,676 INFO L899 garLoopResultBuilder]: For program point L1012(line 1012) no Hoare annotation was computed. [2023-11-23 21:23:55,676 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:23:55,677 INFO L899 garLoopResultBuilder]: For program point L939(line 939) no Hoare annotation was computed. [2023-11-23 21:23:55,677 INFO L899 garLoopResultBuilder]: For program point L938(lines 938 940) no Hoare annotation was computed. [2023-11-23 21:23:55,677 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 937 941) no Hoare annotation was computed. [2023-11-23 21:23:55,677 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 937 941) the Hoare annotation is: true [2023-11-23 21:23:55,677 INFO L899 garLoopResultBuilder]: For program point L938-2(lines 937 941) no Hoare annotation was computed. [2023-11-23 21:23:55,677 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 939) no Hoare annotation was computed. [2023-11-23 21:23:55,682 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 21:23:55,686 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:23:55,701 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 21:23:55,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:23:55 BoogieIcfgContainer [2023-11-23 21:23:55,710 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:23:55,710 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:23:55,710 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:23:55,711 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:23:55,711 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:47" (3/4) ... [2023-11-23 21:23:55,713 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:23:55,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure alt_malloc [2023-11-23 21:23:55,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 21:23:55,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure alt_free [2023-11-23 21:23:55,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure alt_bzero [2023-11-23 21:23:55,751 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 245 nodes and edges [2023-11-23 21:23:55,755 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2023-11-23 21:23:55,758 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 21:23:55,761 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 21:23:56,041 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:23:56,041 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:23:56,041 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:23:56,042 INFO L158 Benchmark]: Toolchain (without parser) took 13511.82ms. Allocated memory was 140.5MB in the beginning and 264.2MB in the end (delta: 123.7MB). Free memory was 94.0MB in the beginning and 116.6MB in the end (delta: -22.7MB). Peak memory consumption was 103.1MB. Max. memory is 16.1GB. [2023-11-23 21:23:56,042 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 140.5MB. Free memory is still 108.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:23:56,043 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1263.33ms. Allocated memory is still 140.5MB. Free memory was 93.5MB in the beginning and 105.1MB in the end (delta: -11.7MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2023-11-23 21:23:56,043 INFO L158 Benchmark]: Boogie Procedure Inliner took 175.04ms. Allocated memory was 140.5MB in the beginning and 197.1MB in the end (delta: 56.6MB). Free memory was 105.1MB in the beginning and 153.8MB in the end (delta: -48.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:23:56,043 INFO L158 Benchmark]: Boogie Preprocessor took 159.36ms. Allocated memory is still 197.1MB. Free memory was 153.8MB in the beginning and 145.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 21:23:56,044 INFO L158 Benchmark]: RCFGBuilder took 3712.88ms. Allocated memory was 197.1MB in the beginning and 264.2MB in the end (delta: 67.1MB). Free memory was 145.4MB in the beginning and 200.5MB in the end (delta: -55.1MB). Peak memory consumption was 115.8MB. Max. memory is 16.1GB. [2023-11-23 21:23:56,044 INFO L158 Benchmark]: TraceAbstraction took 7855.38ms. Allocated memory is still 264.2MB. Free memory was 200.5MB in the beginning and 137.6MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-23 21:23:56,045 INFO L158 Benchmark]: Witness Printer took 331.10ms. Allocated memory is still 264.2MB. Free memory was 137.6MB in the beginning and 116.6MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 21:23:56,047 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 140.5MB. Free memory is still 108.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1263.33ms. Allocated memory is still 140.5MB. Free memory was 93.5MB in the beginning and 105.1MB in the end (delta: -11.7MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 175.04ms. Allocated memory was 140.5MB in the beginning and 197.1MB in the end (delta: 56.6MB). Free memory was 105.1MB in the beginning and 153.8MB in the end (delta: -48.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 159.36ms. Allocated memory is still 197.1MB. Free memory was 153.8MB in the beginning and 145.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3712.88ms. Allocated memory was 197.1MB in the beginning and 264.2MB in the end (delta: 67.1MB). Free memory was 145.4MB in the beginning and 200.5MB in the end (delta: -55.1MB). Peak memory consumption was 115.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7855.38ms. Allocated memory is still 264.2MB. Free memory was 200.5MB in the beginning and 137.6MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 331.10ms. Allocated memory is still 264.2MB. Free memory was 137.6MB in the beginning and 116.6MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 961]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1004]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1008]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 939]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 150 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 6.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 83 SdHoareTripleChecker+Invalid, 6.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 83 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 72 PreInvPairs, 79 NumberOfFragments, 59 HoareAnnotationTreeSize, 72 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 53 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 989]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1007]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 998]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-23 21:23:56,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fc77b7-3b2e-4e9d-9a4b-b7ad70659ba8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE