./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.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_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/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_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/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_31431021-be76-45ab-abbe-3723be98bbe6/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 7770ba1119c1ebb05279b2f71af570d7d6521032dfc344bf6d89fc60d99335e2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:40:12,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:40:12,518 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:40:12,529 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:40:12,530 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:40:12,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:40:12,567 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:40:12,567 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:40:12,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:40:12,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:40:12,574 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:40:12,575 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:40:12,575 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:40:12,577 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:40:12,577 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:40:12,578 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:40:12,578 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:40:12,579 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:40:12,579 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:40:12,580 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:40:12,580 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:40:12,581 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:40:12,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:40:12,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:40:12,583 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:40:12,583 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:40:12,584 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:40:12,584 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:40:12,585 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:40:12,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:40:12,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:40:12,587 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:40:12,587 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:40:12,587 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:40:12,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:40:12,588 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:40:12,588 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:40:12,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:40:12,589 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:40:12,589 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:40:12,590 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:40:12,590 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:40:12,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:40:12,591 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:40:12,591 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:40:12,592 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:40:12,592 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:40:12,592 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_31431021-be76-45ab-abbe-3723be98bbe6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7770ba1119c1ebb05279b2f71af570d7d6521032dfc344bf6d89fc60d99335e2 [2023-11-23 20:40:12,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:40:12,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:40:12,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:40:12,892 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:40:12,892 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:40:12,894 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i [2023-11-23 20:40:16,008 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:40:16,364 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:40:16,365 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i [2023-11-23 20:40:16,388 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/data/964362bd7/a2ac6e4eed574d87a2332943da2a59c2/FLAGee9a905e4 [2023-11-23 20:40:16,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/data/964362bd7/a2ac6e4eed574d87a2332943da2a59c2 [2023-11-23 20:40:16,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:40:16,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:40:16,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:40:16,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:40:16,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:40:16,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf68e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16, skipping insertion in model container [2023-11-23 20:40:16,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,501 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:40:16,931 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_31431021-be76-45ab-abbe-3723be98bbe6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i[33021,33034] [2023-11-23 20:40:17,132 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_31431021-be76-45ab-abbe-3723be98bbe6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i[49681,49694] [2023-11-23 20:40:17,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:40:17,172 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:40:17,220 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_31431021-be76-45ab-abbe-3723be98bbe6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i[33021,33034] [2023-11-23 20:40:17,355 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_31431021-be76-45ab-abbe-3723be98bbe6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-2.i[49681,49694] [2023-11-23 20:40:17,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:40:17,440 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:40:17,448 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:40:17,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:17 WrapperNode [2023-11-23 20:40:17,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:40:17,450 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:40:17,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:40:17,450 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:40:17,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:17" (1/1) ... [2023-11-23 20:40:17,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:17" (1/1) ... [2023-11-23 20:40:17,629 INFO L138 Inliner]: procedures = 177, calls = 439, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2060 [2023-11-23 20:40:17,630 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:40:17,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:40:17,631 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:40:17,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:40:17,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:17" (1/1) ... [2023-11-23 20:40:17,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:17" (1/1) ... [2023-11-23 20:40:17,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:17" (1/1) ... [2023-11-23 20:40:17,656 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:17" (1/1) ... [2023-11-23 20:40:17,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:17" (1/1) ... [2023-11-23 20:40:17,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:17" (1/1) ... [2023-11-23 20:40:17,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:17" (1/1) ... [2023-11-23 20:40:17,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:17" (1/1) ... [2023-11-23 20:40:17,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:40:17,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:40:17,814 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:40:17,814 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:40:17,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:17" (1/1) ... [2023-11-23 20:40:17,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:40:17,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:40:17,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:40:17,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:40:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:40:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:40:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:40:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:40:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:40:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:40:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:40:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:40:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:40:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:40:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 20:40:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:40:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:40:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:40:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:40:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:40:18,166 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:40:18,168 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:40:20,284 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:40:22,512 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:40:22,513 INFO L309 CfgBuilder]: Removed 92 assume(true) statements. [2023-11-23 20:40:22,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:40:22 BoogieIcfgContainer [2023-11-23 20:40:22,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:40:22,517 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:40:22,517 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:40:22,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:40:22,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:40:16" (1/3) ... [2023-11-23 20:40:22,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8392ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:40:22, skipping insertion in model container [2023-11-23 20:40:22,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:17" (2/3) ... [2023-11-23 20:40:22,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8392ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:40:22, skipping insertion in model container [2023-11-23 20:40:22,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:40:22" (3/3) ... [2023-11-23 20:40:22,523 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test5-2.i [2023-11-23 20:40:22,543 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:40:22,544 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 20:40:22,597 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:40:22,604 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;@7070b945, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:40:22,604 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 20:40:22,609 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 161 states have (on average 1.7515527950310559) internal successors, (282), 168 states have internal predecessors, (282), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 20:40:22,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:40:22,617 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:40:22,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-23 20:40:22,618 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:40:22,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:40:22,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1457974382, now seen corresponding path program 1 times [2023-11-23 20:40:22,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:40:22,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460569544] [2023-11-23 20:40:22,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:40:22,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:40:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:40:22,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:40:22,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460569544] [2023-11-23 20:40:22,776 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-23 20:40:22,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082454771] [2023-11-23 20:40:22,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:40:22,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:40:22,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:40:22,779 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:40:22,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:40:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:40:23,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:40:23,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:40:23,099 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 20:40:23,099 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:40:23,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082454771] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:40:23,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:40:23,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:40:23,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377390692] [2023-11-23 20:40:23,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:40:23,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:40:23,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:40:23,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:40:23,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:40:23,155 INFO L87 Difference]: Start difference. First operand has 177 states, 161 states have (on average 1.7515527950310559) internal successors, (282), 168 states have internal predecessors, (282), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 20:40:25,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:40:27,270 WARN L539 Checker$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 20:40:29,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:40:31,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:40:31,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:40:31,397 INFO L93 Difference]: Finished difference Result 257 states and 447 transitions. [2023-11-23 20:40:31,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:40:31,401 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2023-11-23 20:40:31,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:40:31,415 INFO L225 Difference]: With dead ends: 257 [2023-11-23 20:40:31,415 INFO L226 Difference]: Without dead ends: 57 [2023-11-23 20:40:31,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 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 20:40:31,431 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:40:31,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 3 Unknown, 0 Unchecked, 8.2s Time] [2023-11-23 20:40:31,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-23 20:40:31,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-23 20:40:31,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 55 states have internal predecessors, (63), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 20:40:31,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 73 transitions. [2023-11-23 20:40:31,475 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 73 transitions. Word has length 6 [2023-11-23 20:40:31,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:40:31,476 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 73 transitions. [2023-11-23 20:40:31,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 20:40:31,479 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2023-11-23 20:40:31,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:40:31,481 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:40:31,481 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:40:31,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 20:40:31,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 20:40:31,723 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:40:31,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:40:31,723 INFO L85 PathProgramCache]: Analyzing trace with hash 499743173, now seen corresponding path program 1 times [2023-11-23 20:40:31,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:40:31,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013293766] [2023-11-23 20:40:31,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:40:31,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:40:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:40:31,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:40:31,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013293766] [2023-11-23 20:40:31,813 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-23 20:40:31,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414184466] [2023-11-23 20:40:31,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:40:31,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:40:31,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:40:31,815 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:40:31,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 20:40:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:40:32,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:40:32,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:40:32,152 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 20:40:32,152 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:40:32,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414184466] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:40:32,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:40:32,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:40:32,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012712580] [2023-11-23 20:40:32,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:40:32,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:40:32,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:40:32,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:40:32,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:40:32,157 INFO L87 Difference]: Start difference. First operand 57 states and 73 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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 20:40:32,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:40:32,172 INFO L93 Difference]: Finished difference Result 57 states and 73 transitions. [2023-11-23 20:40:32,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:40:32,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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 19 [2023-11-23 20:40:32,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:40:32,174 INFO L225 Difference]: With dead ends: 57 [2023-11-23 20:40:32,174 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 20:40:32,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:40:32,181 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:40:32,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:40:32,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 20:40:32,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 20:40:32,186 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 20:40:32,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 20:40:32,186 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2023-11-23 20:40:32,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:40:32,186 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 20:40:32,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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 20:40:32,187 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 20:40:32,187 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:40:32,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-23 20:40:32,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-23 20:40:32,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:40:32,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:40:32,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 20:40:32,487 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-23 20:40:32,487 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-23 20:40:32,487 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-23 20:40:32,487 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 752) no Hoare annotation was computed. [2023-11-23 20:40:32,488 INFO L899 garLoopResultBuilder]: For program point L708(lines 708 724) no Hoare annotation was computed. [2023-11-23 20:40:32,488 INFO L899 garLoopResultBuilder]: For program point L709(line 709) no Hoare annotation was computed. [2023-11-23 20:40:32,488 INFO L895 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: false [2023-11-23 20:40:32,488 INFO L899 garLoopResultBuilder]: For program point L712(line 712) no Hoare annotation was computed. [2023-11-23 20:40:32,489 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: false [2023-11-23 20:40:32,489 INFO L899 garLoopResultBuilder]: For program point L715(line 715) no Hoare annotation was computed. [2023-11-23 20:40:32,489 INFO L895 garLoopResultBuilder]: At program point L716(line 716) the Hoare annotation is: false [2023-11-23 20:40:32,489 INFO L899 garLoopResultBuilder]: For program point L718(line 718) no Hoare annotation was computed. [2023-11-23 20:40:32,489 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 20:40:32,489 INFO L895 garLoopResultBuilder]: At program point L719(line 719) the Hoare annotation is: false [2023-11-23 20:40:32,489 INFO L899 garLoopResultBuilder]: For program point L721(line 721) no Hoare annotation was computed. [2023-11-23 20:40:32,490 INFO L895 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: false [2023-11-23 20:40:32,490 INFO L899 garLoopResultBuilder]: For program point L736-2(lines 736 745) no Hoare annotation was computed. [2023-11-23 20:40:32,490 INFO L895 garLoopResultBuilder]: At program point L736-3(lines 736 745) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 0) [2023-11-23 20:40:32,490 INFO L899 garLoopResultBuilder]: For program point L743-68(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,490 INFO L902 garLoopResultBuilder]: At program point L743-69(line 743) the Hoare annotation is: true [2023-11-23 20:40:32,491 INFO L899 garLoopResultBuilder]: For program point L743-70(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,491 INFO L902 garLoopResultBuilder]: At program point L743-71(line 743) the Hoare annotation is: true [2023-11-23 20:40:32,491 INFO L899 garLoopResultBuilder]: For program point L746-2(lines 746 754) no Hoare annotation was computed. [2023-11-23 20:40:32,491 INFO L895 garLoopResultBuilder]: At program point L746-3(lines 746 754) the Hoare annotation is: false [2023-11-23 20:40:32,491 INFO L899 garLoopResultBuilder]: For program point L744-67(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,491 INFO L895 garLoopResultBuilder]: At program point L744-68(line 744) the Hoare annotation is: false [2023-11-23 20:40:32,491 INFO L899 garLoopResultBuilder]: For program point L744-69(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,492 INFO L895 garLoopResultBuilder]: At program point L744-70(line 744) the Hoare annotation is: false [2023-11-23 20:40:32,492 INFO L899 garLoopResultBuilder]: For program point L743-170(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,492 INFO L902 garLoopResultBuilder]: At program point L743-171(line 743) the Hoare annotation is: true [2023-11-23 20:40:32,492 INFO L899 garLoopResultBuilder]: For program point L743-172(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,492 INFO L899 garLoopResultBuilder]: For program point L743-173(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,492 INFO L902 garLoopResultBuilder]: At program point L743-174(line 743) the Hoare annotation is: true [2023-11-23 20:40:32,492 INFO L899 garLoopResultBuilder]: For program point L743-175(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,493 INFO L902 garLoopResultBuilder]: At program point L743-176(line 743) the Hoare annotation is: true [2023-11-23 20:40:32,493 INFO L899 garLoopResultBuilder]: For program point L743-178(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,493 INFO L899 garLoopResultBuilder]: For program point L743-180(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,493 INFO L895 garLoopResultBuilder]: At program point L743-182(line 743) the Hoare annotation is: false [2023-11-23 20:40:32,493 INFO L899 garLoopResultBuilder]: For program point L743-183(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,493 INFO L899 garLoopResultBuilder]: For program point L743-184(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,494 INFO L895 garLoopResultBuilder]: At program point L743-186(line 743) the Hoare annotation is: false [2023-11-23 20:40:32,494 INFO L899 garLoopResultBuilder]: For program point L743-187(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,494 INFO L899 garLoopResultBuilder]: For program point L743-188(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,494 INFO L895 garLoopResultBuilder]: At program point L743-189(line 743) the Hoare annotation is: false [2023-11-23 20:40:32,494 INFO L899 garLoopResultBuilder]: For program point L743-190(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,494 INFO L899 garLoopResultBuilder]: For program point L743-193(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,494 INFO L895 garLoopResultBuilder]: At program point L743-194(line 743) the Hoare annotation is: false [2023-11-23 20:40:32,495 INFO L899 garLoopResultBuilder]: For program point L744-169(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,495 INFO L895 garLoopResultBuilder]: At program point L744-170(line 744) the Hoare annotation is: false [2023-11-23 20:40:32,495 INFO L899 garLoopResultBuilder]: For program point L743-202(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,495 INFO L899 garLoopResultBuilder]: For program point L744-171(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,495 INFO L895 garLoopResultBuilder]: At program point L743-203(line 743) the Hoare annotation is: false [2023-11-23 20:40:32,495 INFO L899 garLoopResultBuilder]: For program point L744-172(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,495 INFO L895 garLoopResultBuilder]: At program point L744-173(line 744) the Hoare annotation is: false [2023-11-23 20:40:32,496 INFO L899 garLoopResultBuilder]: For program point L744-174(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,496 INFO L895 garLoopResultBuilder]: At program point L744-175(line 744) the Hoare annotation is: false [2023-11-23 20:40:32,496 INFO L899 garLoopResultBuilder]: For program point L744-177(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,496 INFO L899 garLoopResultBuilder]: For program point L743-210(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,497 INFO L899 garLoopResultBuilder]: For program point L744-179(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,497 INFO L899 garLoopResultBuilder]: For program point L743-212(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,497 INFO L895 garLoopResultBuilder]: At program point L744-181(line 744) the Hoare annotation is: false [2023-11-23 20:40:32,497 INFO L899 garLoopResultBuilder]: For program point L744-182(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,497 INFO L895 garLoopResultBuilder]: At program point L743-214(line 743) the Hoare annotation is: false [2023-11-23 20:40:32,497 INFO L899 garLoopResultBuilder]: For program point L744-183(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,544 INFO L899 garLoopResultBuilder]: For program point L743-215(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,544 INFO L895 garLoopResultBuilder]: At program point L744-185(line 744) the Hoare annotation is: false [2023-11-23 20:40:32,544 INFO L899 garLoopResultBuilder]: For program point L744-186(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,544 INFO L899 garLoopResultBuilder]: For program point L744-187(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,544 INFO L895 garLoopResultBuilder]: At program point L744-188(line 744) the Hoare annotation is: false [2023-11-23 20:40:32,544 INFO L899 garLoopResultBuilder]: For program point L744-189(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,545 INFO L899 garLoopResultBuilder]: For program point L744-192(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,545 INFO L899 garLoopResultBuilder]: For program point L748-68(line 748) no Hoare annotation was computed. [2023-11-23 20:40:32,545 INFO L895 garLoopResultBuilder]: At program point L744-193(line 744) the Hoare annotation is: false [2023-11-23 20:40:32,545 INFO L895 garLoopResultBuilder]: At program point L748-69(line 748) the Hoare annotation is: false [2023-11-23 20:40:32,545 INFO L899 garLoopResultBuilder]: For program point L743-225(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,545 INFO L899 garLoopResultBuilder]: For program point L748-70(line 748) no Hoare annotation was computed. [2023-11-23 20:40:32,545 INFO L895 garLoopResultBuilder]: At program point L748-71(line 748) the Hoare annotation is: false [2023-11-23 20:40:32,545 INFO L899 garLoopResultBuilder]: For program point L744-201(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,546 INFO L895 garLoopResultBuilder]: At program point L744-202(line 744) the Hoare annotation is: false [2023-11-23 20:40:32,546 INFO L899 garLoopResultBuilder]: For program point L743-235(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,546 INFO L895 garLoopResultBuilder]: At program point L743-236(line 743) the Hoare annotation is: false [2023-11-23 20:40:32,546 INFO L899 garLoopResultBuilder]: For program point L743-237(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,546 INFO L899 garLoopResultBuilder]: For program point L744-209(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,546 INFO L899 garLoopResultBuilder]: For program point L744-211(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,546 INFO L895 garLoopResultBuilder]: At program point L744-213(line 744) the Hoare annotation is: false [2023-11-23 20:40:32,547 INFO L899 garLoopResultBuilder]: For program point L744-214(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,547 INFO L895 garLoopResultBuilder]: At program point L743-246(line 743) the Hoare annotation is: false [2023-11-23 20:40:32,547 INFO L895 garLoopResultBuilder]: At program point L743-248(line 743) the Hoare annotation is: false [2023-11-23 20:40:32,547 INFO L899 garLoopResultBuilder]: For program point L743-249(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,547 INFO L899 garLoopResultBuilder]: For program point L743-255(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,547 INFO L899 garLoopResultBuilder]: For program point L744-224(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,547 INFO L899 garLoopResultBuilder]: For program point L743-256(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,548 INFO L895 garLoopResultBuilder]: At program point L743-257(line 743) the Hoare annotation is: false [2023-11-23 20:40:32,548 INFO L899 garLoopResultBuilder]: For program point L743-259(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,548 INFO L899 garLoopResultBuilder]: For program point L743-260(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,548 INFO L895 garLoopResultBuilder]: At program point L743-261(line 743) the Hoare annotation is: false [2023-11-23 20:40:32,548 INFO L899 garLoopResultBuilder]: For program point L743-262(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,548 INFO L899 garLoopResultBuilder]: For program point L743-263(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,548 INFO L895 garLoopResultBuilder]: At program point L743-264(line 743) the Hoare annotation is: false [2023-11-23 20:40:32,549 INFO L899 garLoopResultBuilder]: For program point L743-265(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,549 INFO L899 garLoopResultBuilder]: For program point L744-234(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,549 INFO L895 garLoopResultBuilder]: At program point L743-266(line 743) the Hoare annotation is: false [2023-11-23 20:40:32,549 INFO L895 garLoopResultBuilder]: At program point L744-235(line 744) the Hoare annotation is: false [2023-11-23 20:40:32,549 INFO L899 garLoopResultBuilder]: For program point L743-267(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,549 INFO L899 garLoopResultBuilder]: For program point L744-236(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,549 INFO L899 garLoopResultBuilder]: For program point L743-268(line 743) no Hoare annotation was computed. [2023-11-23 20:40:32,550 INFO L902 garLoopResultBuilder]: At program point L743-269(line 743) the Hoare annotation is: true [2023-11-23 20:40:32,550 INFO L895 garLoopResultBuilder]: At program point L744-245(line 744) the Hoare annotation is: false [2023-11-23 20:40:32,550 INFO L895 garLoopResultBuilder]: At program point L744-247(line 744) the Hoare annotation is: false [2023-11-23 20:40:32,550 INFO L899 garLoopResultBuilder]: For program point L744-248(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,550 INFO L899 garLoopResultBuilder]: For program point L752(line 752) no Hoare annotation was computed. [2023-11-23 20:40:32,550 INFO L899 garLoopResultBuilder]: For program point L744-254(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,550 INFO L899 garLoopResultBuilder]: For program point L744-255(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,551 INFO L895 garLoopResultBuilder]: At program point L744-256(line 744) the Hoare annotation is: false [2023-11-23 20:40:32,551 INFO L899 garLoopResultBuilder]: For program point L744-258(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,551 INFO L899 garLoopResultBuilder]: For program point L744-259(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,551 INFO L895 garLoopResultBuilder]: At program point L744-260(line 744) the Hoare annotation is: false [2023-11-23 20:40:32,551 INFO L899 garLoopResultBuilder]: For program point L744-261(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,551 INFO L899 garLoopResultBuilder]: For program point L744-262(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,551 INFO L895 garLoopResultBuilder]: At program point L744-263(line 744) the Hoare annotation is: false [2023-11-23 20:40:32,552 INFO L899 garLoopResultBuilder]: For program point L744-264(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,552 INFO L895 garLoopResultBuilder]: At program point L744-265(line 744) the Hoare annotation is: false [2023-11-23 20:40:32,552 INFO L899 garLoopResultBuilder]: For program point L744-266(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,552 INFO L899 garLoopResultBuilder]: For program point L744-267(line 744) no Hoare annotation was computed. [2023-11-23 20:40:32,552 INFO L895 garLoopResultBuilder]: At program point L744-268(line 744) the Hoare annotation is: false [2023-11-23 20:40:32,552 INFO L899 garLoopResultBuilder]: For program point L748-170(line 748) no Hoare annotation was computed. [2023-11-23 20:40:32,552 INFO L895 garLoopResultBuilder]: At program point L748-171(line 748) the Hoare annotation is: false [2023-11-23 20:40:32,553 INFO L899 garLoopResultBuilder]: For program point L748-172(line 748) no Hoare annotation was computed. [2023-11-23 20:40:32,553 INFO L899 garLoopResultBuilder]: For program point L748-173(line 748) no Hoare annotation was computed. [2023-11-23 20:40:32,553 INFO L895 garLoopResultBuilder]: At program point L748-174(line 748) the Hoare annotation is: false [2023-11-23 20:40:32,553 INFO L899 garLoopResultBuilder]: For program point L748-175(line 748) no Hoare annotation was computed. [2023-11-23 20:40:32,553 INFO L895 garLoopResultBuilder]: At program point L748-176(line 748) the Hoare annotation is: false [2023-11-23 20:40:32,553 INFO L899 garLoopResultBuilder]: For program point L748-178(line 748) no Hoare annotation was computed. [2023-11-23 20:40:32,553 INFO L899 garLoopResultBuilder]: For program point L748-185(line 748) no Hoare annotation was computed. [2023-11-23 20:40:32,554 INFO L895 garLoopResultBuilder]: At program point L748-186(line 748) the Hoare annotation is: false [2023-11-23 20:40:32,554 INFO L899 garLoopResultBuilder]: For program point L748-187(line 748) no Hoare annotation was computed. [2023-11-23 20:40:32,554 INFO L899 garLoopResultBuilder]: For program point L748-188(line 748) no Hoare annotation was computed. [2023-11-23 20:40:32,554 INFO L899 garLoopResultBuilder]: For program point L748-190(line 748) no Hoare annotation was computed. [2023-11-23 20:40:32,554 INFO L895 garLoopResultBuilder]: At program point L748-191(line 748) the Hoare annotation is: false [2023-11-23 20:40:32,554 INFO L899 garLoopResultBuilder]: For program point L748-197(line 748) no Hoare annotation was computed. [2023-11-23 20:40:32,555 INFO L899 garLoopResultBuilder]: For program point L748-198(line 748) no Hoare annotation was computed. [2023-11-23 20:40:32,555 INFO L899 garLoopResultBuilder]: For program point L748-201(line 748) no Hoare annotation was computed. [2023-11-23 20:40:32,555 INFO L899 garLoopResultBuilder]: For program point L748-202(line 748) no Hoare annotation was computed. [2023-11-23 20:40:32,555 INFO L899 garLoopResultBuilder]: For program point L748-204(line 748) no Hoare annotation was computed. [2023-11-23 20:40:32,559 INFO L895 garLoopResultBuilder]: At program point L748-205(line 748) the Hoare annotation is: false [2023-11-23 20:40:32,560 INFO L895 garLoopResultBuilder]: At program point L748-207(line 748) the Hoare annotation is: false [2023-11-23 20:40:32,563 INFO L899 garLoopResultBuilder]: For program point L748-208(line 748) no Hoare annotation was computed. [2023-11-23 20:40:32,563 INFO L895 garLoopResultBuilder]: At program point L748-209(line 748) the Hoare annotation is: false [2023-11-23 20:40:32,564 INFO L899 garLoopResultBuilder]: For program point L748-211(line 748) no Hoare annotation was computed. [2023-11-23 20:40:32,564 INFO L899 garLoopResultBuilder]: For program point L748-213(line 748) no Hoare annotation was computed. [2023-11-23 20:40:32,564 INFO L895 garLoopResultBuilder]: At program point L748-214(line 748) the Hoare annotation is: false [2023-11-23 20:40:32,564 INFO L899 garLoopResultBuilder]: For program point L748-215(line 748) no Hoare annotation was computed. [2023-11-23 20:40:32,564 INFO L899 garLoopResultBuilder]: For program point L748-216(line 748) no Hoare annotation was computed. [2023-11-23 20:40:32,564 INFO L895 garLoopResultBuilder]: At program point L748-217(line 748) the Hoare annotation is: false [2023-11-23 20:40:32,565 INFO L899 garLoopResultBuilder]: For program point L748-218(lines 746 754) no Hoare annotation was computed. [2023-11-23 20:40:32,565 INFO L902 garLoopResultBuilder]: At program point L756-9(lines 756 759) the Hoare annotation is: true [2023-11-23 20:40:32,565 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 20:40:32,565 INFO L899 garLoopResultBuilder]: For program point L757-3(line 757) no Hoare annotation was computed. [2023-11-23 20:40:32,565 INFO L899 garLoopResultBuilder]: For program point L757-8(line 757) no Hoare annotation was computed. [2023-11-23 20:40:32,565 INFO L899 garLoopResultBuilder]: For program point L757-11(line 757) no Hoare annotation was computed. [2023-11-23 20:40:32,565 INFO L902 garLoopResultBuilder]: At program point L757-12(line 757) the Hoare annotation is: true [2023-11-23 20:40:32,566 INFO L899 garLoopResultBuilder]: For program point L757-13(line 757) no Hoare annotation was computed. [2023-11-23 20:40:32,566 INFO L899 garLoopResultBuilder]: For program point L757-22(line 757) no Hoare annotation was computed. [2023-11-23 20:40:32,566 INFO L902 garLoopResultBuilder]: At program point L757-23(line 757) the Hoare annotation is: true [2023-11-23 20:40:32,566 INFO L899 garLoopResultBuilder]: For program point L757-34(line 757) no Hoare annotation was computed. [2023-11-23 20:40:32,566 INFO L902 garLoopResultBuilder]: At program point L757-35(line 757) the Hoare annotation is: true [2023-11-23 20:40:32,566 INFO L899 garLoopResultBuilder]: For program point L757-36(line 757) no Hoare annotation was computed. [2023-11-23 20:40:32,566 INFO L899 garLoopResultBuilder]: For program point L757-37(line 757) no Hoare annotation was computed. [2023-11-23 20:40:32,567 INFO L899 garLoopResultBuilder]: For program point L757-38(line 757) no Hoare annotation was computed. [2023-11-23 20:40:32,567 INFO L902 garLoopResultBuilder]: At program point L757-39(line 757) the Hoare annotation is: true [2023-11-23 20:40:32,567 INFO L899 garLoopResultBuilder]: For program point L757-40(line 757) no Hoare annotation was computed. [2023-11-23 20:40:32,567 INFO L899 garLoopResultBuilder]: For program point L703(line 703) no Hoare annotation was computed. [2023-11-23 20:40:32,567 INFO L899 garLoopResultBuilder]: For program point L702(lines 702 704) no Hoare annotation was computed. [2023-11-23 20:40:32,567 INFO L899 garLoopResultBuilder]: For program point L702-2(lines 701 705) no Hoare annotation was computed. [2023-11-23 20:40:32,567 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 701 705) no Hoare annotation was computed. [2023-11-23 20:40:32,568 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 701 705) the Hoare annotation is: true [2023-11-23 20:40:32,568 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 703) no Hoare annotation was computed. [2023-11-23 20:40:32,572 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 20:40:32,574 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:40:32,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:40:32 BoogieIcfgContainer [2023-11-23 20:40:32,597 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:40:32,597 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:40:32,597 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:40:32,598 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:40:32,598 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:40:22" (3/4) ... [2023-11-23 20:40:32,600 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:40:32,605 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-23 20:40:32,606 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 20:40:32,649 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 357 nodes and edges [2023-11-23 20:40:32,652 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-23 20:40:32,654 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 20:40:32,657 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:40:32,898 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 20:40:32,898 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 20:40:32,898 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:40:32,899 INFO L158 Benchmark]: Toolchain (without parser) took 16494.36ms. Allocated memory was 169.9MB in the beginning and 281.0MB in the end (delta: 111.1MB). Free memory was 130.8MB in the beginning and 190.9MB in the end (delta: -60.1MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2023-11-23 20:40:32,899 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:40:32,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1043.10ms. Allocated memory is still 169.9MB. Free memory was 130.5MB in the beginning and 133.5MB in the end (delta: -3.0MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2023-11-23 20:40:32,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.29ms. Allocated memory is still 169.9MB. Free memory was 133.5MB in the beginning and 121.1MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:40:32,900 INFO L158 Benchmark]: Boogie Preprocessor took 181.88ms. Allocated memory is still 169.9MB. Free memory was 121.1MB in the beginning and 107.6MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:40:32,901 INFO L158 Benchmark]: RCFGBuilder took 4701.29ms. Allocated memory was 169.9MB in the beginning and 281.0MB in the end (delta: 111.1MB). Free memory was 107.6MB in the beginning and 171.6MB in the end (delta: -63.9MB). Peak memory consumption was 120.4MB. Max. memory is 16.1GB. [2023-11-23 20:40:32,901 INFO L158 Benchmark]: TraceAbstraction took 10079.86ms. Allocated memory is still 281.0MB. Free memory was 170.5MB in the beginning and 208.7MB in the end (delta: -38.2MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. [2023-11-23 20:40:32,902 INFO L158 Benchmark]: Witness Printer took 300.97ms. Allocated memory is still 281.0MB. Free memory was 208.7MB in the beginning and 190.9MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:40:32,905 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1043.10ms. Allocated memory is still 169.9MB. Free memory was 130.5MB in the beginning and 133.5MB in the end (delta: -3.0MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 180.29ms. Allocated memory is still 169.9MB. Free memory was 133.5MB in the beginning and 121.1MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 181.88ms. Allocated memory is still 169.9MB. Free memory was 121.1MB in the beginning and 107.6MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 4701.29ms. Allocated memory was 169.9MB in the beginning and 281.0MB in the end (delta: 111.1MB). Free memory was 107.6MB in the beginning and 171.6MB in the end (delta: -63.9MB). Peak memory consumption was 120.4MB. Max. memory is 16.1GB. * TraceAbstraction took 10079.86ms. Allocated memory is still 281.0MB. Free memory was 170.5MB in the beginning and 208.7MB in the end (delta: -38.2MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. * Witness Printer took 300.97ms. Allocated memory is still 281.0MB. Free memory was 208.7MB in the beginning and 190.9MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * 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: 752]: 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: 703]: 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 3 procedures, 177 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 10.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 8.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 8.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 81 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=177occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 65 LocationsWithAnnotation, 84 PreInvPairs, 96 NumberOfFragments, 67 HoareAnnotationTreeSize, 84 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 65 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 186 ConjunctsInSsa, 3 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 2 specifications checked. All of them hold - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-23 20:40:32,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31431021-be76-45ab-abbe-3723be98bbe6/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