./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/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_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/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_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/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 0f3b69410d84404822a26401b92e2c10c65259dbe30a6f843124f3a9a51940ad --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:45:39,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:45:39,903 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:45:39,908 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:45:39,908 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:45:39,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:45:39,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:45:39,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:45:39,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:45:39,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:45:39,935 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:45:39,936 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:45:39,937 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:45:39,937 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:45:39,938 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:45:39,939 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:45:39,939 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:45:39,940 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:45:39,940 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:45:39,941 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:45:39,941 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:45:39,942 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:45:39,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:45:39,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:45:39,943 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:45:39,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:45:39,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:45:39,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:45:39,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:45:39,946 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:45:39,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:45:39,946 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:45:39,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:45:39,947 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:45:39,947 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:45:39,948 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:45:39,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:45:39,948 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:45:39,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:45:39,949 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:45:39,949 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:45:39,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:45:39,950 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:45:39,950 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:45:39,950 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:45:39,950 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_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f3b69410d84404822a26401b92e2c10c65259dbe30a6f843124f3a9a51940ad [2023-11-19 04:45:40,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:45:40,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:45:40,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:45:40,345 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:45:40,346 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:45:40,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i [2023-11-19 04:45:43,506 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:45:43,859 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:45:43,860 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i [2023-11-19 04:45:43,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/data/04f41d644/f2706cd1da554117bbc05d5e6edf4d0d/FLAG12f1bb463 [2023-11-19 04:45:43,897 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/data/04f41d644/f2706cd1da554117bbc05d5e6edf4d0d [2023-11-19 04:45:43,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:45:43,908 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:45:43,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:45:43,910 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:45:43,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:45:43,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:45:43" (1/1) ... [2023-11-19 04:45:43,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1675eb63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:43, skipping insertion in model container [2023-11-19 04:45:43,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:45:43" (1/1) ... [2023-11-19 04:45:44,018 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:45:44,469 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_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i[33021,33034] [2023-11-19 04:45:44,640 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_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i[49681,49694] [2023-11-19 04:45:44,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:45:44,685 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:45:44,751 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_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i[33021,33034] [2023-11-19 04:45:44,903 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_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i[49681,49694] [2023-11-19 04:45:44,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:45:44,960 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:45:44,967 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:45:44,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44 WrapperNode [2023-11-19 04:45:44,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:45:44,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:45:44,969 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:45:44,969 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:45:44,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:45,033 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:45,163 INFO L138 Inliner]: procedures = 177, calls = 439, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2060 [2023-11-19 04:45:45,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:45:45,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:45:45,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:45:45,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:45:45,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:45,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:45,195 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:45,196 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:45,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:45,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:45,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:45,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:45,355 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:45:45,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:45:45,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:45:45,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:45:45,357 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:45,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:45:45,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:45:45,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:45:45,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:45:45,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:45:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:45:45,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:45:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:45:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:45:45,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:45:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:45:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:45:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:45:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:45:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 04:45:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:45:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:45:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:45:45,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:45:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:45:45,825 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:45:45,828 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:45:48,579 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:45:51,208 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:45:51,209 INFO L302 CfgBuilder]: Removed 92 assume(true) statements. [2023-11-19 04:45:51,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:45:51 BoogieIcfgContainer [2023-11-19 04:45:51,217 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:45:51,219 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:45:51,219 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:45:51,223 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:45:51,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:45:43" (1/3) ... [2023-11-19 04:45:51,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f4f4e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:45:51, skipping insertion in model container [2023-11-19 04:45:51,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (2/3) ... [2023-11-19 04:45:51,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f4f4e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:45:51, skipping insertion in model container [2023-11-19 04:45:51,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:45:51" (3/3) ... [2023-11-19 04:45:51,227 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test5-2.i [2023-11-19 04:45:51,250 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:45:51,250 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 04:45:51,322 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:45:51,331 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;@2104ec2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:45:51,331 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 04:45:51,338 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) [2023-11-19 04:45:51,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:45:51,345 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:45:51,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 04:45:51,346 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:45:51,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:45:51,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1457974382, now seen corresponding path program 1 times [2023-11-19 04:45:51,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:45:51,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922527576] [2023-11-19 04:45:51,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:45:51,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:45:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:45:51,551 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:45:51,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922527576] [2023-11-19 04:45:51,553 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 04:45:51,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589181471] [2023-11-19 04:45:51,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:45:51,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:45:51,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:45:51,556 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:45:51,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:45:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:45:51,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:45:51,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:45:51,901 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 04:45:51,901 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:45:51,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589181471] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:45:51,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:45:51,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:45:51,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374525802] [2023-11-19 04:45:51,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:45:51,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:45:51,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:45:51,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:45:51,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:45:51,955 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) [2023-11-19 04:45:54,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:45:56,078 WARN L539 Checker$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 04:45:58,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:46:00,126 WARN L539 Checker$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 04:46:02,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:46:04,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:46:04,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:04,439 INFO L93 Difference]: Finished difference Result 308 states and 535 transitions. [2023-11-19 04:46:04,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:46:04,445 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 [2023-11-19 04:46:04,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:04,455 INFO L225 Difference]: With dead ends: 308 [2023-11-19 04:46:04,455 INFO L226 Difference]: Without dead ends: 57 [2023-11-19 04:46:04,463 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 [2023-11-19 04:46:04,473 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:04,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 4 Unknown, 0 Unchecked, 12.4s Time] [2023-11-19 04:46:04,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-19 04:46:04,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-19 04:46:04,526 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) [2023-11-19 04:46:04,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 73 transitions. [2023-11-19 04:46:04,529 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 73 transitions. Word has length 6 [2023-11-19 04:46:04,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:04,530 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 73 transitions. [2023-11-19 04:46:04,530 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) [2023-11-19 04:46:04,530 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2023-11-19 04:46:04,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:46:04,531 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:04,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:46:04,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 04:46:04,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:46:04,733 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:46:04,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:04,733 INFO L85 PathProgramCache]: Analyzing trace with hash 499743173, now seen corresponding path program 1 times [2023-11-19 04:46:04,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:46:04,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058441077] [2023-11-19 04:46:04,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:04,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:46:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:04,794 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:46:04,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058441077] [2023-11-19 04:46:04,795 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 04:46:04,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829121235] [2023-11-19 04:46:04,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:04,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:46:04,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:46:04,797 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:46:04,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 04:46:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:05,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:46:05,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:05,164 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 04:46:05,165 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:46:05,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829121235] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:05,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:46:05,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:46:05,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458913449] [2023-11-19 04:46:05,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:05,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:46:05,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:46:05,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:46:05,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:46:05,168 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) [2023-11-19 04:46:05,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:05,176 INFO L93 Difference]: Finished difference Result 57 states and 73 transitions. [2023-11-19 04:46:05,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:46:05,177 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 [2023-11-19 04:46:05,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:05,177 INFO L225 Difference]: With dead ends: 57 [2023-11-19 04:46:05,177 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:46:05,178 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 [2023-11-19 04:46:05,179 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 [2023-11-19 04:46:05,180 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] [2023-11-19 04:46:05,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:46:05,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:46:05,182 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 04:46:05,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:46:05,182 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2023-11-19 04:46:05,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:05,182 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:46:05,183 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) [2023-11-19 04:46:05,183 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:46:05,183 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:46:05,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-19 04:46:05,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-19 04:46:05,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:46:05,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:46:05,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 04:46:05,466 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:46:05,466 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-19 04:46:05,466 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-19 04:46:05,467 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 752) no Hoare annotation was computed. [2023-11-19 04:46:05,467 INFO L899 garLoopResultBuilder]: For program point L708(lines 708 724) no Hoare annotation was computed. [2023-11-19 04:46:05,467 INFO L899 garLoopResultBuilder]: For program point L709(line 709) no Hoare annotation was computed. [2023-11-19 04:46:05,467 INFO L895 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: false [2023-11-19 04:46:05,468 INFO L899 garLoopResultBuilder]: For program point L712(line 712) no Hoare annotation was computed. [2023-11-19 04:46:05,468 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: false [2023-11-19 04:46:05,468 INFO L899 garLoopResultBuilder]: For program point L715(line 715) no Hoare annotation was computed. [2023-11-19 04:46:05,469 INFO L895 garLoopResultBuilder]: At program point L716(line 716) the Hoare annotation is: false [2023-11-19 04:46:05,470 INFO L899 garLoopResultBuilder]: For program point L718(line 718) no Hoare annotation was computed. [2023-11-19 04:46:05,470 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:46:05,470 INFO L895 garLoopResultBuilder]: At program point L719(line 719) the Hoare annotation is: false [2023-11-19 04:46:05,470 INFO L899 garLoopResultBuilder]: For program point L721(line 721) no Hoare annotation was computed. [2023-11-19 04:46:05,470 INFO L895 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: false [2023-11-19 04:46:05,471 INFO L899 garLoopResultBuilder]: For program point L736-2(lines 736 745) no Hoare annotation was computed. [2023-11-19 04:46:05,471 INFO L895 garLoopResultBuilder]: At program point L736-3(lines 736 745) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 0) [2023-11-19 04:46:05,471 INFO L899 garLoopResultBuilder]: For program point L743-68(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,471 INFO L902 garLoopResultBuilder]: At program point L743-69(line 743) the Hoare annotation is: true [2023-11-19 04:46:05,472 INFO L899 garLoopResultBuilder]: For program point L743-70(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,472 INFO L902 garLoopResultBuilder]: At program point L743-71(line 743) the Hoare annotation is: true [2023-11-19 04:46:05,472 INFO L899 garLoopResultBuilder]: For program point L746-2(lines 746 754) no Hoare annotation was computed. [2023-11-19 04:46:05,472 INFO L895 garLoopResultBuilder]: At program point L746-3(lines 746 754) the Hoare annotation is: false [2023-11-19 04:46:05,472 INFO L899 garLoopResultBuilder]: For program point L744-67(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,473 INFO L902 garLoopResultBuilder]: At program point L744-68(line 744) the Hoare annotation is: true [2023-11-19 04:46:05,473 INFO L899 garLoopResultBuilder]: For program point L744-69(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,473 INFO L902 garLoopResultBuilder]: At program point L744-70(line 744) the Hoare annotation is: true [2023-11-19 04:46:05,474 INFO L899 garLoopResultBuilder]: For program point L743-170(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,474 INFO L902 garLoopResultBuilder]: At program point L743-171(line 743) the Hoare annotation is: true [2023-11-19 04:46:05,474 INFO L899 garLoopResultBuilder]: For program point L743-172(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,474 INFO L899 garLoopResultBuilder]: For program point L743-173(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,474 INFO L902 garLoopResultBuilder]: At program point L743-174(line 743) the Hoare annotation is: true [2023-11-19 04:46:05,475 INFO L899 garLoopResultBuilder]: For program point L743-175(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,475 INFO L902 garLoopResultBuilder]: At program point L743-176(line 743) the Hoare annotation is: true [2023-11-19 04:46:05,475 INFO L899 garLoopResultBuilder]: For program point L743-178(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,475 INFO L899 garLoopResultBuilder]: For program point L743-180(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,476 INFO L902 garLoopResultBuilder]: At program point L743-182(line 743) the Hoare annotation is: true [2023-11-19 04:46:05,476 INFO L899 garLoopResultBuilder]: For program point L743-183(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,477 INFO L899 garLoopResultBuilder]: For program point L743-184(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,477 INFO L902 garLoopResultBuilder]: At program point L743-186(line 743) the Hoare annotation is: true [2023-11-19 04:46:05,477 INFO L899 garLoopResultBuilder]: For program point L743-187(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,477 INFO L899 garLoopResultBuilder]: For program point L743-188(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,477 INFO L902 garLoopResultBuilder]: At program point L743-189(line 743) the Hoare annotation is: true [2023-11-19 04:46:05,478 INFO L899 garLoopResultBuilder]: For program point L743-190(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,478 INFO L899 garLoopResultBuilder]: For program point L743-193(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,478 INFO L902 garLoopResultBuilder]: At program point L743-194(line 743) the Hoare annotation is: true [2023-11-19 04:46:05,479 INFO L899 garLoopResultBuilder]: For program point L744-169(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,479 INFO L902 garLoopResultBuilder]: At program point L744-170(line 744) the Hoare annotation is: true [2023-11-19 04:46:05,479 INFO L899 garLoopResultBuilder]: For program point L743-202(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,479 INFO L899 garLoopResultBuilder]: For program point L744-171(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,479 INFO L902 garLoopResultBuilder]: At program point L743-203(line 743) the Hoare annotation is: true [2023-11-19 04:46:05,480 INFO L899 garLoopResultBuilder]: For program point L744-172(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,480 INFO L902 garLoopResultBuilder]: At program point L744-173(line 744) the Hoare annotation is: true [2023-11-19 04:46:05,480 INFO L899 garLoopResultBuilder]: For program point L744-174(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,480 INFO L902 garLoopResultBuilder]: At program point L744-175(line 744) the Hoare annotation is: true [2023-11-19 04:46:05,480 INFO L899 garLoopResultBuilder]: For program point L744-177(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,481 INFO L899 garLoopResultBuilder]: For program point L743-210(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,481 INFO L899 garLoopResultBuilder]: For program point L744-179(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,481 INFO L899 garLoopResultBuilder]: For program point L743-212(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,485 INFO L895 garLoopResultBuilder]: At program point L744-181(line 744) the Hoare annotation is: false [2023-11-19 04:46:05,485 INFO L899 garLoopResultBuilder]: For program point L744-182(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,486 INFO L902 garLoopResultBuilder]: At program point L743-214(line 743) the Hoare annotation is: true [2023-11-19 04:46:05,487 INFO L899 garLoopResultBuilder]: For program point L744-183(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,487 INFO L899 garLoopResultBuilder]: For program point L743-215(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,488 INFO L895 garLoopResultBuilder]: At program point L744-185(line 744) the Hoare annotation is: false [2023-11-19 04:46:05,488 INFO L899 garLoopResultBuilder]: For program point L744-186(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,488 INFO L899 garLoopResultBuilder]: For program point L744-187(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,488 INFO L895 garLoopResultBuilder]: At program point L744-188(line 744) the Hoare annotation is: false [2023-11-19 04:46:05,488 INFO L899 garLoopResultBuilder]: For program point L744-189(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,489 INFO L899 garLoopResultBuilder]: For program point L744-192(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,489 INFO L899 garLoopResultBuilder]: For program point L748-68(line 748) no Hoare annotation was computed. [2023-11-19 04:46:05,489 INFO L895 garLoopResultBuilder]: At program point L744-193(line 744) the Hoare annotation is: false [2023-11-19 04:46:05,489 INFO L895 garLoopResultBuilder]: At program point L748-69(line 748) the Hoare annotation is: false [2023-11-19 04:46:05,489 INFO L899 garLoopResultBuilder]: For program point L743-225(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,490 INFO L899 garLoopResultBuilder]: For program point L748-70(line 748) no Hoare annotation was computed. [2023-11-19 04:46:05,490 INFO L895 garLoopResultBuilder]: At program point L748-71(line 748) the Hoare annotation is: false [2023-11-19 04:46:05,490 INFO L899 garLoopResultBuilder]: For program point L744-201(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,490 INFO L895 garLoopResultBuilder]: At program point L744-202(line 744) the Hoare annotation is: false [2023-11-19 04:46:05,490 INFO L899 garLoopResultBuilder]: For program point L743-235(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,491 INFO L902 garLoopResultBuilder]: At program point L743-236(line 743) the Hoare annotation is: true [2023-11-19 04:46:05,491 INFO L899 garLoopResultBuilder]: For program point L743-237(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,491 INFO L899 garLoopResultBuilder]: For program point L744-209(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,491 INFO L899 garLoopResultBuilder]: For program point L744-211(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,491 INFO L895 garLoopResultBuilder]: At program point L744-213(line 744) the Hoare annotation is: false [2023-11-19 04:46:05,492 INFO L899 garLoopResultBuilder]: For program point L744-214(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,492 INFO L902 garLoopResultBuilder]: At program point L743-246(line 743) the Hoare annotation is: true [2023-11-19 04:46:05,492 INFO L902 garLoopResultBuilder]: At program point L743-248(line 743) the Hoare annotation is: true [2023-11-19 04:46:05,492 INFO L899 garLoopResultBuilder]: For program point L743-249(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,492 INFO L899 garLoopResultBuilder]: For program point L743-255(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,493 INFO L899 garLoopResultBuilder]: For program point L744-224(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,493 INFO L899 garLoopResultBuilder]: For program point L743-256(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,493 INFO L902 garLoopResultBuilder]: At program point L743-257(line 743) the Hoare annotation is: true [2023-11-19 04:46:05,493 INFO L899 garLoopResultBuilder]: For program point L743-259(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,494 INFO L899 garLoopResultBuilder]: For program point L743-260(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,494 INFO L902 garLoopResultBuilder]: At program point L743-261(line 743) the Hoare annotation is: true [2023-11-19 04:46:05,494 INFO L899 garLoopResultBuilder]: For program point L743-262(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,495 INFO L899 garLoopResultBuilder]: For program point L743-263(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,495 INFO L902 garLoopResultBuilder]: At program point L743-264(line 743) the Hoare annotation is: true [2023-11-19 04:46:05,495 INFO L899 garLoopResultBuilder]: For program point L743-265(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,496 INFO L899 garLoopResultBuilder]: For program point L744-234(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,496 INFO L902 garLoopResultBuilder]: At program point L743-266(line 743) the Hoare annotation is: true [2023-11-19 04:46:05,496 INFO L895 garLoopResultBuilder]: At program point L744-235(line 744) the Hoare annotation is: false [2023-11-19 04:46:05,496 INFO L899 garLoopResultBuilder]: For program point L743-267(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,496 INFO L899 garLoopResultBuilder]: For program point L744-236(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,497 INFO L899 garLoopResultBuilder]: For program point L743-268(line 743) no Hoare annotation was computed. [2023-11-19 04:46:05,497 INFO L902 garLoopResultBuilder]: At program point L743-269(line 743) the Hoare annotation is: true [2023-11-19 04:46:05,497 INFO L895 garLoopResultBuilder]: At program point L744-245(line 744) the Hoare annotation is: false [2023-11-19 04:46:05,497 INFO L895 garLoopResultBuilder]: At program point L744-247(line 744) the Hoare annotation is: false [2023-11-19 04:46:05,497 INFO L899 garLoopResultBuilder]: For program point L744-248(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,498 INFO L899 garLoopResultBuilder]: For program point L752(line 752) no Hoare annotation was computed. [2023-11-19 04:46:05,498 INFO L899 garLoopResultBuilder]: For program point L744-254(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,502 INFO L899 garLoopResultBuilder]: For program point L744-255(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,502 INFO L895 garLoopResultBuilder]: At program point L744-256(line 744) the Hoare annotation is: false [2023-11-19 04:46:05,502 INFO L899 garLoopResultBuilder]: For program point L744-258(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,503 INFO L899 garLoopResultBuilder]: For program point L744-259(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,504 INFO L895 garLoopResultBuilder]: At program point L744-260(line 744) the Hoare annotation is: false [2023-11-19 04:46:05,504 INFO L899 garLoopResultBuilder]: For program point L744-261(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,505 INFO L899 garLoopResultBuilder]: For program point L744-262(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,505 INFO L895 garLoopResultBuilder]: At program point L744-263(line 744) the Hoare annotation is: false [2023-11-19 04:46:05,505 INFO L899 garLoopResultBuilder]: For program point L744-264(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,511 INFO L895 garLoopResultBuilder]: At program point L744-265(line 744) the Hoare annotation is: false [2023-11-19 04:46:05,512 INFO L899 garLoopResultBuilder]: For program point L744-266(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,512 INFO L899 garLoopResultBuilder]: For program point L744-267(line 744) no Hoare annotation was computed. [2023-11-19 04:46:05,512 INFO L902 garLoopResultBuilder]: At program point L744-268(line 744) the Hoare annotation is: true [2023-11-19 04:46:05,512 INFO L899 garLoopResultBuilder]: For program point L748-170(line 748) no Hoare annotation was computed. [2023-11-19 04:46:05,512 INFO L895 garLoopResultBuilder]: At program point L748-171(line 748) the Hoare annotation is: false [2023-11-19 04:46:05,513 INFO L899 garLoopResultBuilder]: For program point L748-172(line 748) no Hoare annotation was computed. [2023-11-19 04:46:05,513 INFO L899 garLoopResultBuilder]: For program point L748-173(line 748) no Hoare annotation was computed. [2023-11-19 04:46:05,513 INFO L895 garLoopResultBuilder]: At program point L748-174(line 748) the Hoare annotation is: false [2023-11-19 04:46:05,513 INFO L899 garLoopResultBuilder]: For program point L748-175(line 748) no Hoare annotation was computed. [2023-11-19 04:46:05,513 INFO L895 garLoopResultBuilder]: At program point L748-176(line 748) the Hoare annotation is: false [2023-11-19 04:46:05,514 INFO L899 garLoopResultBuilder]: For program point L748-178(line 748) no Hoare annotation was computed. [2023-11-19 04:46:05,514 INFO L899 garLoopResultBuilder]: For program point L748-185(line 748) no Hoare annotation was computed. [2023-11-19 04:46:05,514 INFO L895 garLoopResultBuilder]: At program point L748-186(line 748) the Hoare annotation is: false [2023-11-19 04:46:05,514 INFO L899 garLoopResultBuilder]: For program point L748-187(line 748) no Hoare annotation was computed. [2023-11-19 04:46:05,514 INFO L899 garLoopResultBuilder]: For program point L748-188(line 748) no Hoare annotation was computed. [2023-11-19 04:46:05,515 INFO L899 garLoopResultBuilder]: For program point L748-190(line 748) no Hoare annotation was computed. [2023-11-19 04:46:05,515 INFO L895 garLoopResultBuilder]: At program point L748-191(line 748) the Hoare annotation is: false [2023-11-19 04:46:05,516 INFO L899 garLoopResultBuilder]: For program point L748-197(line 748) no Hoare annotation was computed. [2023-11-19 04:46:05,516 INFO L899 garLoopResultBuilder]: For program point L748-198(line 748) no Hoare annotation was computed. [2023-11-19 04:46:05,516 INFO L899 garLoopResultBuilder]: For program point L748-201(line 748) no Hoare annotation was computed. [2023-11-19 04:46:05,516 INFO L899 garLoopResultBuilder]: For program point L748-202(line 748) no Hoare annotation was computed. [2023-11-19 04:46:05,516 INFO L899 garLoopResultBuilder]: For program point L748-204(line 748) no Hoare annotation was computed. [2023-11-19 04:46:05,516 INFO L895 garLoopResultBuilder]: At program point L748-205(line 748) the Hoare annotation is: false [2023-11-19 04:46:05,517 INFO L895 garLoopResultBuilder]: At program point L748-207(line 748) the Hoare annotation is: false [2023-11-19 04:46:05,517 INFO L899 garLoopResultBuilder]: For program point L748-208(line 748) no Hoare annotation was computed. [2023-11-19 04:46:05,517 INFO L895 garLoopResultBuilder]: At program point L748-209(line 748) the Hoare annotation is: false [2023-11-19 04:46:05,517 INFO L899 garLoopResultBuilder]: For program point L748-211(line 748) no Hoare annotation was computed. [2023-11-19 04:46:05,517 INFO L899 garLoopResultBuilder]: For program point L748-213(line 748) no Hoare annotation was computed. [2023-11-19 04:46:05,518 INFO L895 garLoopResultBuilder]: At program point L748-214(line 748) the Hoare annotation is: false [2023-11-19 04:46:05,518 INFO L899 garLoopResultBuilder]: For program point L748-215(line 748) no Hoare annotation was computed. [2023-11-19 04:46:05,518 INFO L899 garLoopResultBuilder]: For program point L748-216(line 748) no Hoare annotation was computed. [2023-11-19 04:46:05,518 INFO L895 garLoopResultBuilder]: At program point L748-217(line 748) the Hoare annotation is: false [2023-11-19 04:46:05,518 INFO L899 garLoopResultBuilder]: For program point L748-218(lines 746 754) no Hoare annotation was computed. [2023-11-19 04:46:05,518 INFO L902 garLoopResultBuilder]: At program point L756-9(lines 756 759) the Hoare annotation is: true [2023-11-19 04:46:05,519 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 04:46:05,519 INFO L899 garLoopResultBuilder]: For program point L757-3(line 757) no Hoare annotation was computed. [2023-11-19 04:46:05,519 INFO L899 garLoopResultBuilder]: For program point L757-8(line 757) no Hoare annotation was computed. [2023-11-19 04:46:05,519 INFO L899 garLoopResultBuilder]: For program point L757-11(line 757) no Hoare annotation was computed. [2023-11-19 04:46:05,519 INFO L902 garLoopResultBuilder]: At program point L757-12(line 757) the Hoare annotation is: true [2023-11-19 04:46:05,519 INFO L899 garLoopResultBuilder]: For program point L757-13(line 757) no Hoare annotation was computed. [2023-11-19 04:46:05,520 INFO L899 garLoopResultBuilder]: For program point L757-22(line 757) no Hoare annotation was computed. [2023-11-19 04:46:05,520 INFO L902 garLoopResultBuilder]: At program point L757-23(line 757) the Hoare annotation is: true [2023-11-19 04:46:05,520 INFO L899 garLoopResultBuilder]: For program point L757-34(line 757) no Hoare annotation was computed. [2023-11-19 04:46:05,520 INFO L902 garLoopResultBuilder]: At program point L757-35(line 757) the Hoare annotation is: true [2023-11-19 04:46:05,520 INFO L899 garLoopResultBuilder]: For program point L757-36(line 757) no Hoare annotation was computed. [2023-11-19 04:46:05,521 INFO L899 garLoopResultBuilder]: For program point L757-37(line 757) no Hoare annotation was computed. [2023-11-19 04:46:05,521 INFO L899 garLoopResultBuilder]: For program point L757-38(line 757) no Hoare annotation was computed. [2023-11-19 04:46:05,521 INFO L902 garLoopResultBuilder]: At program point L757-39(line 757) the Hoare annotation is: true [2023-11-19 04:46:05,521 INFO L899 garLoopResultBuilder]: For program point L757-40(line 757) no Hoare annotation was computed. [2023-11-19 04:46:05,521 INFO L899 garLoopResultBuilder]: For program point L703(line 703) no Hoare annotation was computed. [2023-11-19 04:46:05,521 INFO L899 garLoopResultBuilder]: For program point L702(lines 702 704) no Hoare annotation was computed. [2023-11-19 04:46:05,522 INFO L899 garLoopResultBuilder]: For program point L702-2(lines 701 705) no Hoare annotation was computed. [2023-11-19 04:46:05,522 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 701 705) no Hoare annotation was computed. [2023-11-19 04:46:05,522 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 701 705) the Hoare annotation is: true [2023-11-19 04:46:05,522 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 703) no Hoare annotation was computed. [2023-11-19 04:46:05,527 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 04:46:05,529 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:46:05,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:46:05 BoogieIcfgContainer [2023-11-19 04:46:05,554 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:46:05,554 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:46:05,554 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:46:05,555 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:46:05,555 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:45:51" (3/4) ... [2023-11-19 04:46:05,557 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:46:05,561 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 04:46:05,561 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 04:46:05,594 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 333 nodes and edges [2023-11-19 04:46:05,597 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2023-11-19 04:46:05,599 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 04:46:05,602 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 04:46:05,792 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:46:05,792 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:46:05,792 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:46:05,793 INFO L158 Benchmark]: Toolchain (without parser) took 21885.23ms. Allocated memory was 161.5MB in the beginning and 402.7MB in the end (delta: 241.2MB). Free memory was 120.7MB in the beginning and 252.5MB in the end (delta: -131.7MB). Peak memory consumption was 107.9MB. Max. memory is 16.1GB. [2023-11-19 04:46:05,794 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:46:05,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1058.15ms. Allocated memory is still 161.5MB. Free memory was 120.7MB in the beginning and 95.6MB in the end (delta: 25.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 04:46:05,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 194.99ms. Allocated memory is still 161.5MB. Free memory was 95.6MB in the beginning and 83.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:46:05,795 INFO L158 Benchmark]: Boogie Preprocessor took 190.96ms. Allocated memory is still 161.5MB. Free memory was 83.4MB in the beginning and 70.5MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:46:05,795 INFO L158 Benchmark]: RCFGBuilder took 5861.08ms. Allocated memory was 161.5MB in the beginning and 249.6MB in the end (delta: 88.1MB). Free memory was 70.5MB in the beginning and 91.5MB in the end (delta: -21.0MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. [2023-11-19 04:46:05,796 INFO L158 Benchmark]: TraceAbstraction took 14334.68ms. Allocated memory was 249.6MB in the beginning and 402.7MB in the end (delta: 153.1MB). Free memory was 90.5MB in the beginning and 270.3MB in the end (delta: -179.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:46:05,796 INFO L158 Benchmark]: Witness Printer took 238.36ms. Allocated memory is still 402.7MB. Free memory was 270.3MB in the beginning and 252.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:46:05,798 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 88.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1058.15ms. Allocated memory is still 161.5MB. Free memory was 120.7MB in the beginning and 95.6MB in the end (delta: 25.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 194.99ms. Allocated memory is still 161.5MB. Free memory was 95.6MB in the beginning and 83.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 190.96ms. Allocated memory is still 161.5MB. Free memory was 83.4MB in the beginning and 70.5MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 5861.08ms. Allocated memory was 161.5MB in the beginning and 249.6MB in the end (delta: 88.1MB). Free memory was 70.5MB in the beginning and 91.5MB in the end (delta: -21.0MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. * TraceAbstraction took 14334.68ms. Allocated memory was 249.6MB in the beginning and 402.7MB in the end (delta: 153.1MB). Free memory was 90.5MB in the beginning and 270.3MB in the end (delta: -179.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 238.36ms. Allocated memory is still 402.7MB. Free memory was 270.3MB in the beginning and 252.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. 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: 14.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 12.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 129 SdHoareTripleChecker+Invalid, 12.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 129 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 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, 90 PreInvPairs, 121 NumberOfFragments, 67 HoareAnnotationTreeSize, 90 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: 1 - 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: 1 - 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: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - 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: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - 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: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - 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: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - 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: 1 - 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: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-19 04:46:05,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c440d0a-2c38-4fe5-867f-e9038ad5c6f3/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE