./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ --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 efaea2320311f06fbd3071893d75fb70222c33e449b43348105f12b548a90ab4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:21:20,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:21:20,560 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:21:20,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:21:20,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:21:20,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:21:20,600 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:21:20,601 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:21:20,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:21:20,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:21:20,602 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:21:20,603 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:21:20,604 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:21:20,604 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:21:20,605 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:21:20,605 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:21:20,606 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:21:20,609 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:21:20,609 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:21:20,610 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:21:20,616 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:21:20,617 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:21:20,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:21:20,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:21:20,620 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:21:20,620 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:21:20,621 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:21:20,621 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:21:20,621 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:21:20,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:21:20,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:21:20,623 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:21:20,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:21:20,624 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:21:20,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:21:20,624 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:21:20,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:20,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:21:20,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:21:20,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:21:20,625 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:21:20,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:21:20,626 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:21:20,626 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:21:20,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:21:20,627 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_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efaea2320311f06fbd3071893d75fb70222c33e449b43348105f12b548a90ab4 [2023-11-19 05:21:20,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:21:20,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:21:20,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:21:20,949 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:21:20,949 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:21:20,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i [2023-11-19 05:21:24,012 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:21:24,404 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:21:24,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i [2023-11-19 05:21:24,426 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ/data/c187cce76/77136c4ac7064d8ca5bb4cf17672aa5b/FLAG9c6d6a978 [2023-11-19 05:21:24,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ/data/c187cce76/77136c4ac7064d8ca5bb4cf17672aa5b [2023-11-19 05:21:24,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:21:24,445 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:21:24,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:24,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:21:24,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:21:24,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:24" (1/1) ... [2023-11-19 05:21:24,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d28f8a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:24, skipping insertion in model container [2023-11-19 05:21:24,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:24" (1/1) ... [2023-11-19 05:21:24,530 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:21:25,092 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_16152d20-353c-4b9f-ba92-e0e3a14755c0/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i[33021,33034] [2023-11-19 05:21:25,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:25,294 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:21:25,340 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_16152d20-353c-4b9f-ba92-e0e3a14755c0/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i[33021,33034] [2023-11-19 05:21:25,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:25,524 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:21:25,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:25 WrapperNode [2023-11-19 05:21:25,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:25,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:25,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:21:25,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:21:25,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:25" (1/1) ... [2023-11-19 05:21:25,608 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:25" (1/1) ... [2023-11-19 05:21:25,724 INFO L138 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1805 [2023-11-19 05:21:25,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:25,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:21:25,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:21:25,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:21:25,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:25" (1/1) ... [2023-11-19 05:21:25,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:25" (1/1) ... [2023-11-19 05:21:25,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:25" (1/1) ... [2023-11-19 05:21:25,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:25" (1/1) ... [2023-11-19 05:21:25,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:25" (1/1) ... [2023-11-19 05:21:25,858 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:25" (1/1) ... [2023-11-19 05:21:25,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:25" (1/1) ... [2023-11-19 05:21:25,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:25" (1/1) ... [2023-11-19 05:21:25,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:21:25,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:21:25,897 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:21:25,897 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:21:25,898 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:25" (1/1) ... [2023-11-19 05:21:25,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:25,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:21:25,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:21:25,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:21:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:21:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 05:21:26,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 05:21:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:21:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:21:26,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:21:26,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:21:26,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:21:26,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:21:26,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:21:26,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:21:26,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:21:26,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:21:26,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:21:26,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:21:26,334 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:21:26,336 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:21:28,407 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:21:30,498 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:21:30,498 INFO L302 CfgBuilder]: Removed 77 assume(true) statements. [2023-11-19 05:21:30,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:30 BoogieIcfgContainer [2023-11-19 05:21:30,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:21:30,508 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:21:30,508 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:21:30,512 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:21:30,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:21:24" (1/3) ... [2023-11-19 05:21:30,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1246c8a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:21:30, skipping insertion in model container [2023-11-19 05:21:30,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:25" (2/3) ... [2023-11-19 05:21:30,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1246c8a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:21:30, skipping insertion in model container [2023-11-19 05:21:30,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:30" (3/3) ... [2023-11-19 05:21:30,517 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test4-3.i [2023-11-19 05:21:30,538 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:21:30,538 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:21:30,613 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:21:30,622 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;@699ef7e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:21:30,623 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:21:30,631 INFO L276 IsEmpty]: Start isEmpty. Operand has 163 states, 143 states have (on average 1.7412587412587412) internal successors, (249), 154 states have internal predecessors, (249), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 05:21:30,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 05:21:30,647 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:21:30,647 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:21:30,648 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:21:30,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:21:30,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1747160853, now seen corresponding path program 1 times [2023-11-19 05:21:30,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:21:30,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542781534] [2023-11-19 05:21:30,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:30,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:21:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:21:30,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:21:30,933 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:21:30,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542781534] [2023-11-19 05:21:30,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542781534] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:21:30,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:21:30,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:21:30,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958646120] [2023-11-19 05:21:30,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:21:30,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:21:30,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:21:30,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:21:30,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:21:31,000 INFO L87 Difference]: Start difference. First operand has 163 states, 143 states have (on average 1.7412587412587412) internal successors, (249), 154 states have internal predecessors, (249), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:21:33,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:35,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:37,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:39,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:41,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:43,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:45,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:47,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:49,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:51,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:52,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:21:52,543 INFO L93 Difference]: Finished difference Result 382 states and 673 transitions. [2023-11-19 05:21:52,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:21:52,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-19 05:21:52,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:21:52,559 INFO L225 Difference]: With dead ends: 382 [2023-11-19 05:21:52,559 INFO L226 Difference]: Without dead ends: 132 [2023-11-19 05:21:52,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:21:52,567 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 102 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:21:52,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 291 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 64 Invalid, 7 Unknown, 0 Unchecked, 21.5s Time] [2023-11-19 05:21:52,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-11-19 05:21:52,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2023-11-19 05:21:52,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 113 states have (on average 1.1858407079646018) internal successors, (134), 123 states have internal predecessors, (134), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 05:21:52,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 166 transitions. [2023-11-19 05:21:52,624 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 166 transitions. Word has length 8 [2023-11-19 05:21:52,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:21:52,625 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 166 transitions. [2023-11-19 05:21:52,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:21:52,665 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 166 transitions. [2023-11-19 05:21:52,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 05:21:52,669 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:21:52,670 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:21:52,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:21:52,670 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:21:52,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:21:52,671 INFO L85 PathProgramCache]: Analyzing trace with hash -403473565, now seen corresponding path program 1 times [2023-11-19 05:21:52,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:21:52,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945884068] [2023-11-19 05:21:52,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:52,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:21:52,837 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:21:52,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1501805044] [2023-11-19 05:21:52,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:52,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:21:52,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:21:52,847 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:21:52,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:21:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:21:53,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:21:53,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:21:53,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:21:53,575 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:21:53,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:21:53,672 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:21:53,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945884068] [2023-11-19 05:21:53,673 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 05:21:53,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501805044] [2023-11-19 05:21:53,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501805044] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:21:53,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1452194472] [2023-11-19 05:21:53,699 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2023-11-19 05:21:53,699 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 05:21:53,703 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 05:21:53,709 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 05:21:53,710 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-19 05:22:00,408 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-19 05:22:07,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1452194472] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:07,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 05:22:07,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [3, 3] total 10 [2023-11-19 05:22:07,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767967581] [2023-11-19 05:22:07,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:07,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 05:22:07,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:22:07,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 05:22:07,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=57, Unknown=3, NotChecked=0, Total=110 [2023-11-19 05:22:07,460 INFO L87 Difference]: Start difference. First operand 132 states and 166 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:22:09,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-19 05:22:11,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 05:22:13,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 05:22:15,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 05:22:18,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 05:22:18,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:18,241 INFO L93 Difference]: Finished difference Result 134 states and 169 transitions. [2023-11-19 05:22:18,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:22:18,242 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2023-11-19 05:22:18,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:18,243 INFO L225 Difference]: With dead ends: 134 [2023-11-19 05:22:18,243 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:22:18,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=50, Invalid=57, Unknown=3, NotChecked=0, Total=110 [2023-11-19 05:22:18,246 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:18,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 5 Unknown, 0 Unchecked, 10.8s Time] [2023-11-19 05:22:18,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:22:18,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:22:18,248 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) [2023-11-19 05:22:18,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:22:18,249 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2023-11-19 05:22:18,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:18,249 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:22:18,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:22:18,250 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:22:18,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:22:18,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:22:18,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 05:22:18,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:22:18,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 05:22:18,608 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:22:18,609 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-19 05:22:18,609 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-19 05:22:18,609 INFO L899 garLoopResultBuilder]: For program point L758-170(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,610 INFO L902 garLoopResultBuilder]: At program point L758-171(line 758) the Hoare annotation is: true [2023-11-19 05:22:18,610 INFO L899 garLoopResultBuilder]: For program point L758-172(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,611 INFO L899 garLoopResultBuilder]: For program point L758-173(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,611 INFO L902 garLoopResultBuilder]: At program point L758-174(line 758) the Hoare annotation is: true [2023-11-19 05:22:18,611 INFO L899 garLoopResultBuilder]: For program point L758-175(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,611 INFO L902 garLoopResultBuilder]: At program point L758-176(line 758) the Hoare annotation is: true [2023-11-19 05:22:18,611 INFO L899 garLoopResultBuilder]: For program point L758-178(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,612 INFO L899 garLoopResultBuilder]: For program point L758-180(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,612 INFO L902 garLoopResultBuilder]: At program point L758-182(line 758) the Hoare annotation is: true [2023-11-19 05:22:18,613 INFO L899 garLoopResultBuilder]: For program point L758-183(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,613 INFO L899 garLoopResultBuilder]: For program point L758-184(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,614 INFO L902 garLoopResultBuilder]: At program point L758-186(line 758) the Hoare annotation is: true [2023-11-19 05:22:18,614 INFO L899 garLoopResultBuilder]: For program point L758-187(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,614 INFO L899 garLoopResultBuilder]: For program point L758-188(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,615 INFO L902 garLoopResultBuilder]: At program point L758-189(line 758) the Hoare annotation is: true [2023-11-19 05:22:18,615 INFO L899 garLoopResultBuilder]: For program point L758-190(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,615 INFO L899 garLoopResultBuilder]: For program point L758-193(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,615 INFO L902 garLoopResultBuilder]: At program point L758-194(line 758) the Hoare annotation is: true [2023-11-19 05:22:18,616 INFO L899 garLoopResultBuilder]: For program point L759-169(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,616 INFO L902 garLoopResultBuilder]: At program point L759-170(line 759) the Hoare annotation is: true [2023-11-19 05:22:18,616 INFO L899 garLoopResultBuilder]: For program point L758-202(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,616 INFO L899 garLoopResultBuilder]: For program point L759-171(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,616 INFO L902 garLoopResultBuilder]: At program point L758-203(line 758) the Hoare annotation is: true [2023-11-19 05:22:18,617 INFO L899 garLoopResultBuilder]: For program point L759-172(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,617 INFO L902 garLoopResultBuilder]: At program point L759-173(line 759) the Hoare annotation is: true [2023-11-19 05:22:18,617 INFO L899 garLoopResultBuilder]: For program point L759-174(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,617 INFO L902 garLoopResultBuilder]: At program point L759-175(line 759) the Hoare annotation is: true [2023-11-19 05:22:18,617 INFO L899 garLoopResultBuilder]: For program point L759-177(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,617 INFO L899 garLoopResultBuilder]: For program point L758-210(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,618 INFO L899 garLoopResultBuilder]: For program point L759-179(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,618 INFO L899 garLoopResultBuilder]: For program point L758-212(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,618 INFO L895 garLoopResultBuilder]: At program point L759-181(line 759) the Hoare annotation is: false [2023-11-19 05:22:18,618 INFO L899 garLoopResultBuilder]: For program point L759-182(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,618 INFO L902 garLoopResultBuilder]: At program point L758-214(line 758) the Hoare annotation is: true [2023-11-19 05:22:18,619 INFO L899 garLoopResultBuilder]: For program point L759-183(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,619 INFO L899 garLoopResultBuilder]: For program point L758-215(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,619 INFO L895 garLoopResultBuilder]: At program point L759-185(line 759) the Hoare annotation is: false [2023-11-19 05:22:18,622 INFO L899 garLoopResultBuilder]: For program point L759-186(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,622 INFO L899 garLoopResultBuilder]: For program point L759-187(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,622 INFO L895 garLoopResultBuilder]: At program point L759-188(line 759) the Hoare annotation is: false [2023-11-19 05:22:18,624 INFO L899 garLoopResultBuilder]: For program point L759-189(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,625 INFO L899 garLoopResultBuilder]: For program point L759-192(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,625 INFO L895 garLoopResultBuilder]: At program point L759-193(line 759) the Hoare annotation is: false [2023-11-19 05:22:18,625 INFO L899 garLoopResultBuilder]: For program point L758-225(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,625 INFO L902 garLoopResultBuilder]: At program point L765-9(lines 765 772) the Hoare annotation is: true [2023-11-19 05:22:18,625 INFO L899 garLoopResultBuilder]: For program point L759-201(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,626 INFO L895 garLoopResultBuilder]: At program point L759-202(line 759) the Hoare annotation is: false [2023-11-19 05:22:18,626 INFO L899 garLoopResultBuilder]: For program point L758-235(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,626 INFO L902 garLoopResultBuilder]: At program point L758-236(line 758) the Hoare annotation is: true [2023-11-19 05:22:18,626 INFO L899 garLoopResultBuilder]: For program point L758-237(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,627 INFO L899 garLoopResultBuilder]: For program point L759-209(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,627 INFO L899 garLoopResultBuilder]: For program point L759-211(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,627 INFO L895 garLoopResultBuilder]: At program point L759-213(line 759) the Hoare annotation is: false [2023-11-19 05:22:18,627 INFO L899 garLoopResultBuilder]: For program point L759-214(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,627 INFO L902 garLoopResultBuilder]: At program point L758-246(line 758) the Hoare annotation is: true [2023-11-19 05:22:18,627 INFO L902 garLoopResultBuilder]: At program point L758-248(line 758) the Hoare annotation is: true [2023-11-19 05:22:18,628 INFO L899 garLoopResultBuilder]: For program point L758-249(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,628 INFO L899 garLoopResultBuilder]: For program point L758-255(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,628 INFO L899 garLoopResultBuilder]: For program point L759-224(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,628 INFO L899 garLoopResultBuilder]: For program point L758-256(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,628 INFO L902 garLoopResultBuilder]: At program point L758-257(line 758) the Hoare annotation is: true [2023-11-19 05:22:18,628 INFO L899 garLoopResultBuilder]: For program point L758-259(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,629 INFO L899 garLoopResultBuilder]: For program point L758-260(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,629 INFO L902 garLoopResultBuilder]: At program point L758-261(line 758) the Hoare annotation is: true [2023-11-19 05:22:18,629 INFO L899 garLoopResultBuilder]: For program point L758-262(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,629 INFO L899 garLoopResultBuilder]: For program point L758-263(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,629 INFO L902 garLoopResultBuilder]: At program point L758-264(line 758) the Hoare annotation is: true [2023-11-19 05:22:18,629 INFO L899 garLoopResultBuilder]: For program point L758-265(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,630 INFO L899 garLoopResultBuilder]: For program point L759-234(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,630 INFO L902 garLoopResultBuilder]: At program point L758-266(line 758) the Hoare annotation is: true [2023-11-19 05:22:18,630 INFO L895 garLoopResultBuilder]: At program point L759-235(line 759) the Hoare annotation is: false [2023-11-19 05:22:18,631 INFO L899 garLoopResultBuilder]: For program point L758-267(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,632 INFO L899 garLoopResultBuilder]: For program point L759-236(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,633 INFO L899 garLoopResultBuilder]: For program point L758-268(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,633 INFO L902 garLoopResultBuilder]: At program point L758-269(line 758) the Hoare annotation is: true [2023-11-19 05:22:18,634 INFO L895 garLoopResultBuilder]: At program point L759-245(line 759) the Hoare annotation is: false [2023-11-19 05:22:18,634 INFO L895 garLoopResultBuilder]: At program point L759-247(line 759) the Hoare annotation is: false [2023-11-19 05:22:18,634 INFO L899 garLoopResultBuilder]: For program point L759-248(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,634 INFO L899 garLoopResultBuilder]: For program point L759-254(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,634 INFO L899 garLoopResultBuilder]: For program point L759-255(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,635 INFO L895 garLoopResultBuilder]: At program point L759-256(line 759) the Hoare annotation is: false [2023-11-19 05:22:18,635 INFO L899 garLoopResultBuilder]: For program point L759-258(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,635 INFO L899 garLoopResultBuilder]: For program point L759-259(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,635 INFO L895 garLoopResultBuilder]: At program point L759-260(line 759) the Hoare annotation is: false [2023-11-19 05:22:18,635 INFO L899 garLoopResultBuilder]: For program point L759-261(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,635 INFO L899 garLoopResultBuilder]: For program point L759-262(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,639 INFO L895 garLoopResultBuilder]: At program point L759-263(line 759) the Hoare annotation is: false [2023-11-19 05:22:18,639 INFO L899 garLoopResultBuilder]: For program point L759-264(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,640 INFO L895 garLoopResultBuilder]: At program point L759-265(line 759) the Hoare annotation is: false [2023-11-19 05:22:18,640 INFO L899 garLoopResultBuilder]: For program point L759-266(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,640 INFO L899 garLoopResultBuilder]: For program point L759-267(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,640 INFO L902 garLoopResultBuilder]: At program point L759-268(line 759) the Hoare annotation is: true [2023-11-19 05:22:18,641 INFO L899 garLoopResultBuilder]: For program point L769-3(line 769) no Hoare annotation was computed. [2023-11-19 05:22:18,641 INFO L899 garLoopResultBuilder]: For program point L769-8(line 769) no Hoare annotation was computed. [2023-11-19 05:22:18,642 INFO L899 garLoopResultBuilder]: For program point L769-11(line 769) no Hoare annotation was computed. [2023-11-19 05:22:18,642 INFO L902 garLoopResultBuilder]: At program point L769-12(line 769) the Hoare annotation is: true [2023-11-19 05:22:18,642 INFO L899 garLoopResultBuilder]: For program point L769-13(line 769) no Hoare annotation was computed. [2023-11-19 05:22:18,642 INFO L899 garLoopResultBuilder]: For program point L769-22(line 769) no Hoare annotation was computed. [2023-11-19 05:22:18,642 INFO L902 garLoopResultBuilder]: At program point L769-23(line 769) the Hoare annotation is: true [2023-11-19 05:22:18,642 INFO L899 garLoopResultBuilder]: For program point L770-2(line 770) no Hoare annotation was computed. [2023-11-19 05:22:18,643 INFO L899 garLoopResultBuilder]: For program point L769-34(line 769) no Hoare annotation was computed. [2023-11-19 05:22:18,643 INFO L902 garLoopResultBuilder]: At program point L769-35(line 769) the Hoare annotation is: true [2023-11-19 05:22:18,643 INFO L899 garLoopResultBuilder]: For program point L769-36(line 769) no Hoare annotation was computed. [2023-11-19 05:22:18,643 INFO L899 garLoopResultBuilder]: For program point L769-37(line 769) no Hoare annotation was computed. [2023-11-19 05:22:18,644 INFO L899 garLoopResultBuilder]: For program point L769-38(line 769) no Hoare annotation was computed. [2023-11-19 05:22:18,644 INFO L899 garLoopResultBuilder]: For program point L770-7(line 770) no Hoare annotation was computed. [2023-11-19 05:22:18,647 INFO L902 garLoopResultBuilder]: At program point L769-39(line 769) the Hoare annotation is: true [2023-11-19 05:22:18,648 INFO L899 garLoopResultBuilder]: For program point L770-10(line 770) no Hoare annotation was computed. [2023-11-19 05:22:18,649 INFO L902 garLoopResultBuilder]: At program point L770-11(line 770) the Hoare annotation is: true [2023-11-19 05:22:18,649 INFO L899 garLoopResultBuilder]: For program point L770-12(line 770) no Hoare annotation was computed. [2023-11-19 05:22:18,649 INFO L899 garLoopResultBuilder]: For program point L770-21(line 770) no Hoare annotation was computed. [2023-11-19 05:22:18,650 INFO L902 garLoopResultBuilder]: At program point L770-22(line 770) the Hoare annotation is: true [2023-11-19 05:22:18,651 INFO L899 garLoopResultBuilder]: For program point L770-33(line 770) no Hoare annotation was computed. [2023-11-19 05:22:18,651 INFO L902 garLoopResultBuilder]: At program point L770-34(line 770) the Hoare annotation is: true [2023-11-19 05:22:18,652 INFO L899 garLoopResultBuilder]: For program point L770-35(line 770) no Hoare annotation was computed. [2023-11-19 05:22:18,656 INFO L899 garLoopResultBuilder]: For program point L770-36(line 770) no Hoare annotation was computed. [2023-11-19 05:22:18,657 INFO L899 garLoopResultBuilder]: For program point L770-37(line 770) no Hoare annotation was computed. [2023-11-19 05:22:18,657 INFO L902 garLoopResultBuilder]: At program point L770-38(line 770) the Hoare annotation is: true [2023-11-19 05:22:18,657 INFO L899 garLoopResultBuilder]: For program point L770-39(line 770) no Hoare annotation was computed. [2023-11-19 05:22:18,657 INFO L899 garLoopResultBuilder]: For program point L708(lines 708 739) no Hoare annotation was computed. [2023-11-19 05:22:18,657 INFO L899 garLoopResultBuilder]: For program point L709(line 709) no Hoare annotation was computed. [2023-11-19 05:22:18,657 INFO L895 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: false [2023-11-19 05:22:18,658 INFO L899 garLoopResultBuilder]: For program point L712(line 712) no Hoare annotation was computed. [2023-11-19 05:22:18,658 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: false [2023-11-19 05:22:18,658 INFO L899 garLoopResultBuilder]: For program point L715(line 715) no Hoare annotation was computed. [2023-11-19 05:22:18,658 INFO L895 garLoopResultBuilder]: At program point L716(line 716) the Hoare annotation is: false [2023-11-19 05:22:18,658 INFO L899 garLoopResultBuilder]: For program point L718(line 718) no Hoare annotation was computed. [2023-11-19 05:22:18,658 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:22:18,659 INFO L895 garLoopResultBuilder]: At program point L719(line 719) the Hoare annotation is: false [2023-11-19 05:22:18,659 INFO L899 garLoopResultBuilder]: For program point L721(line 721) no Hoare annotation was computed. [2023-11-19 05:22:18,659 INFO L895 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: false [2023-11-19 05:22:18,659 INFO L899 garLoopResultBuilder]: For program point L724(line 724) no Hoare annotation was computed. [2023-11-19 05:22:18,660 INFO L895 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: false [2023-11-19 05:22:18,660 INFO L899 garLoopResultBuilder]: For program point L727(line 727) no Hoare annotation was computed. [2023-11-19 05:22:18,660 INFO L895 garLoopResultBuilder]: At program point L728(line 728) the Hoare annotation is: false [2023-11-19 05:22:18,660 INFO L899 garLoopResultBuilder]: For program point L730(line 730) no Hoare annotation was computed. [2023-11-19 05:22:18,660 INFO L895 garLoopResultBuilder]: At program point L731(line 731) the Hoare annotation is: false [2023-11-19 05:22:18,661 INFO L899 garLoopResultBuilder]: For program point L733(line 733) no Hoare annotation was computed. [2023-11-19 05:22:18,661 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: false [2023-11-19 05:22:18,661 INFO L899 garLoopResultBuilder]: For program point L736(line 736) no Hoare annotation was computed. [2023-11-19 05:22:18,661 INFO L895 garLoopResultBuilder]: At program point L737(line 737) the Hoare annotation is: false [2023-11-19 05:22:18,661 INFO L899 garLoopResultBuilder]: For program point L751-2(lines 751 760) no Hoare annotation was computed. [2023-11-19 05:22:18,662 INFO L895 garLoopResultBuilder]: At program point L751-3(lines 751 760) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= 21 (select |#length| 2)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (= 2 (select |#length| 1)) (= |ULTIMATE.start_main_~altusers~0#1.base| 0) (= |ULTIMATE.start_main_~altusers~0#1.offset| 0) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= ~count_int_int~0 0) (= (select .cse0 1) 0))) [2023-11-19 05:22:18,662 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 05:22:18,662 INFO L899 garLoopResultBuilder]: For program point L758-68(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,662 INFO L902 garLoopResultBuilder]: At program point L758-69(line 758) the Hoare annotation is: true [2023-11-19 05:22:18,662 INFO L899 garLoopResultBuilder]: For program point L758-70(line 758) no Hoare annotation was computed. [2023-11-19 05:22:18,662 INFO L902 garLoopResultBuilder]: At program point L758-71(line 758) the Hoare annotation is: true [2023-11-19 05:22:18,663 INFO L895 garLoopResultBuilder]: At program point L761-3(lines 761 763) the Hoare annotation is: false [2023-11-19 05:22:18,663 INFO L899 garLoopResultBuilder]: For program point L759-67(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,663 INFO L902 garLoopResultBuilder]: At program point L759-68(line 759) the Hoare annotation is: true [2023-11-19 05:22:18,663 INFO L899 garLoopResultBuilder]: For program point L759-69(line 759) no Hoare annotation was computed. [2023-11-19 05:22:18,663 INFO L902 garLoopResultBuilder]: At program point L759-70(line 759) the Hoare annotation is: true [2023-11-19 05:22:18,663 INFO L899 garLoopResultBuilder]: For program point L703(line 703) no Hoare annotation was computed. [2023-11-19 05:22:18,664 INFO L899 garLoopResultBuilder]: For program point L702(lines 702 704) no Hoare annotation was computed. [2023-11-19 05:22:18,664 INFO L899 garLoopResultBuilder]: For program point L702-2(lines 701 705) no Hoare annotation was computed. [2023-11-19 05:22:18,664 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 701 705) no Hoare annotation was computed. [2023-11-19 05:22:18,664 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 701 705) the Hoare annotation is: true [2023-11-19 05:22:18,664 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 703) no Hoare annotation was computed. [2023-11-19 05:22:18,668 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 05:22:18,671 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:22:18,686 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-19 05:22:18,688 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-19 05:22:18,688 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-19 05:22:18,688 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-19 05:22:18,688 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-19 05:22:18,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-19 05:22:18,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-19 05:22:18,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:22:18 BoogieIcfgContainer [2023-11-19 05:22:18,690 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:22:18,691 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:22:18,691 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:22:18,691 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:22:18,692 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:30" (3/4) ... [2023-11-19 05:22:18,694 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:22:18,697 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 05:22:18,697 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 05:22:18,762 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 231 nodes and edges [2023-11-19 05:22:18,764 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-19 05:22:18,766 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 05:22:18,767 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:22:18,916 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:22:18,916 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:22:18,916 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:22:18,917 INFO L158 Benchmark]: Toolchain (without parser) took 54472.11ms. Allocated memory was 167.8MB in the beginning and 343.9MB in the end (delta: 176.2MB). Free memory was 128.1MB in the beginning and 270.2MB in the end (delta: -142.2MB). Peak memory consumption was 222.2MB. Max. memory is 16.1GB. [2023-11-19 05:22:18,918 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:22:18,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1078.97ms. Allocated memory is still 167.8MB. Free memory was 128.1MB in the beginning and 107.2MB in the end (delta: 20.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 05:22:18,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 198.22ms. Allocated memory is still 167.8MB. Free memory was 107.2MB in the beginning and 96.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 05:22:18,919 INFO L158 Benchmark]: Boogie Preprocessor took 170.58ms. Allocated memory is still 167.8MB. Free memory was 96.4MB in the beginning and 84.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:22:18,920 INFO L158 Benchmark]: RCFGBuilder took 4608.94ms. Allocated memory was 167.8MB in the beginning and 285.2MB in the end (delta: 117.4MB). Free memory was 84.3MB in the beginning and 152.0MB in the end (delta: -67.7MB). Peak memory consumption was 100.8MB. Max. memory is 16.1GB. [2023-11-19 05:22:18,921 INFO L158 Benchmark]: TraceAbstraction took 48181.92ms. Allocated memory was 285.2MB in the beginning and 343.9MB in the end (delta: 58.7MB). Free memory was 152.0MB in the beginning and 85.0MB in the end (delta: 67.1MB). Peak memory consumption was 124.8MB. Max. memory is 16.1GB. [2023-11-19 05:22:18,921 INFO L158 Benchmark]: Witness Printer took 225.85ms. Allocated memory is still 343.9MB. Free memory was 85.0MB in the beginning and 270.2MB in the end (delta: -185.3MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2023-11-19 05:22:18,924 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1078.97ms. Allocated memory is still 167.8MB. Free memory was 128.1MB in the beginning and 107.2MB in the end (delta: 20.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 198.22ms. Allocated memory is still 167.8MB. Free memory was 107.2MB in the beginning and 96.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 170.58ms. Allocated memory is still 167.8MB. Free memory was 96.4MB in the beginning and 84.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 4608.94ms. Allocated memory was 167.8MB in the beginning and 285.2MB in the end (delta: 117.4MB). Free memory was 84.3MB in the beginning and 152.0MB in the end (delta: -67.7MB). Peak memory consumption was 100.8MB. Max. memory is 16.1GB. * TraceAbstraction took 48181.92ms. Allocated memory was 285.2MB in the beginning and 343.9MB in the end (delta: 58.7MB). Free memory was 152.0MB in the beginning and 85.0MB in the end (delta: 67.1MB). Peak memory consumption was 124.8MB. Max. memory is 16.1GB. * Witness Printer took 225.85ms. Allocated memory is still 343.9MB. Free memory was 85.0MB in the beginning and 270.2MB in the end (delta: -185.3MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] 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: 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, 163 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 48.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 32.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 mSolverCounterUnknown, 108 SdHoareTripleChecker+Valid, 32.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 295 SdHoareTripleChecker+Invalid, 32.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 76 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 167 mSDtfsCounter, 76 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 62 LocationsWithAnnotation, 109 PreInvPairs, 150 NumberOfFragments, 122 HoareAnnotationTreeSize, 109 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 339 SizeOfPredicates, 0 NumberOfNonLiveVariables, 538 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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: OVERALL_TIME: 6.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 13, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 99, TOOLS_POST_TIME: 2.4s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 20, TOOLS_QUANTIFIERELIM_TIME: 2.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.8s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 111, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 13, DOMAIN_ISBOTTOM_TIME: 4.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 4232, DAG_COMPRESSION_RETAINED_NODES: 210, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: ((i == 0) && (count_int_int == 0)) - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-19 05:22:19,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16152d20-353c-4b9f-ba92-e0e3a14755c0/bin/utaipan-verify-t7M7D8N6sZ/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