./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.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_6cf9f1cb-f725-4339-86b1-cb9b1f3641cb/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf9f1cb-f725-4339-86b1-cb9b1f3641cb/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_6cf9f1cb-f725-4339-86b1-cb9b1f3641cb/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf9f1cb-f725-4339-86b1-cb9b1f3641cb/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf9f1cb-f725-4339-86b1-cb9b1f3641cb/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_6cf9f1cb-f725-4339-86b1-cb9b1f3641cb/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 9ddeff00ba0e288e2e7b04a6005a0db991f8cee358fe3ef021af7107ab321b8e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:47:01,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:47:01,346 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf9f1cb-f725-4339-86b1-cb9b1f3641cb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:47:01,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:47:01,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:47:01,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:47:01,417 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:47:01,418 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:47:01,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:47:01,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:47:01,426 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:47:01,427 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:47:01,428 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:47:01,430 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:47:01,431 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:47:01,445 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:47:01,445 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:47:01,446 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:47:01,447 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:47:01,447 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:47:01,448 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:47:01,449 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:47:01,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:47:01,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:47:01,451 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:47:01,452 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:47:01,453 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:47:01,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:47:01,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:47:01,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:47:01,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:47:01,456 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:47:01,457 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:47:01,457 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:47:01,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:47:01,458 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:47:01,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:01,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:47:01,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:47:01,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:47:01,459 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:47:01,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:47:01,461 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:47:01,461 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:47:01,462 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:47:01,463 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_6cf9f1cb-f725-4339-86b1-cb9b1f3641cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf9f1cb-f725-4339-86b1-cb9b1f3641cb/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ddeff00ba0e288e2e7b04a6005a0db991f8cee358fe3ef021af7107ab321b8e [2023-11-19 04:47:01,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:47:01,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:47:01,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:47:01,890 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:47:01,891 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:47:01,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf9f1cb-f725-4339-86b1-cb9b1f3641cb/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i [2023-11-19 04:47:05,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:47:05,643 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:47:05,644 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf9f1cb-f725-4339-86b1-cb9b1f3641cb/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i [2023-11-19 04:47:05,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf9f1cb-f725-4339-86b1-cb9b1f3641cb/bin/utaipan-verify-t7M7D8N6sZ/data/b16ed2d4c/73a49e1de76c421cbf459d7979730396/FLAGce95a0a65 [2023-11-19 04:47:05,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf9f1cb-f725-4339-86b1-cb9b1f3641cb/bin/utaipan-verify-t7M7D8N6sZ/data/b16ed2d4c/73a49e1de76c421cbf459d7979730396 [2023-11-19 04:47:05,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:47:05,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:47:05,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:05,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:47:05,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:47:05,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:05" (1/1) ... [2023-11-19 04:47:05,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b877fa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:05, skipping insertion in model container [2023-11-19 04:47:05,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:05" (1/1) ... [2023-11-19 04:47:05,805 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:47:06,335 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_6cf9f1cb-f725-4339-86b1-cb9b1f3641cb/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i[33021,33034] [2023-11-19 04:47:06,556 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:06,571 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:47:06,608 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_6cf9f1cb-f725-4339-86b1-cb9b1f3641cb/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i[33021,33034] [2023-11-19 04:47:06,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:06,757 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:47:06,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:06 WrapperNode [2023-11-19 04:47:06,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:06,760 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:06,760 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:47:06,760 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:47:06,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:06" (1/1) ... [2023-11-19 04:47:06,827 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:06" (1/1) ... [2023-11-19 04:47:06,932 INFO L138 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1492 [2023-11-19 04:47:06,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:06,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:47:06,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:47:06,934 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:47:06,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:06" (1/1) ... [2023-11-19 04:47:06,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:06" (1/1) ... [2023-11-19 04:47:06,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:06" (1/1) ... [2023-11-19 04:47:06,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:06" (1/1) ... [2023-11-19 04:47:07,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:06" (1/1) ... [2023-11-19 04:47:07,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:06" (1/1) ... [2023-11-19 04:47:07,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:06" (1/1) ... [2023-11-19 04:47:07,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:06" (1/1) ... [2023-11-19 04:47:07,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:47:07,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:47:07,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:47:07,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:47:07,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:06" (1/1) ... [2023-11-19 04:47:07,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:07,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf9f1cb-f725-4339-86b1-cb9b1f3641cb/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:47:07,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf9f1cb-f725-4339-86b1-cb9b1f3641cb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:47:07,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf9f1cb-f725-4339-86b1-cb9b1f3641cb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:47:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:47:07,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:47:07,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:47:07,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:47:07,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:47:07,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:47:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:47:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:47:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:47:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:47:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:47:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:47:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:47:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:47:07,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:47:07,589 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:47:07,592 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:47:11,106 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:47:13,213 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:47:13,214 INFO L302 CfgBuilder]: Removed 60 assume(true) statements. [2023-11-19 04:47:13,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:13 BoogieIcfgContainer [2023-11-19 04:47:13,221 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:47:13,224 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:47:13,224 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:47:13,228 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:47:13,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:47:05" (1/3) ... [2023-11-19 04:47:13,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421304d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:13, skipping insertion in model container [2023-11-19 04:47:13,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:06" (2/3) ... [2023-11-19 04:47:13,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421304d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:13, skipping insertion in model container [2023-11-19 04:47:13,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:13" (3/3) ... [2023-11-19 04:47:13,234 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test4-1.i [2023-11-19 04:47:13,256 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:47:13,256 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:47:13,320 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:47:13,327 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;@fede9a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:47:13,327 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:47:13,333 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 115 states have (on average 1.7391304347826086) internal successors, (200), 126 states have internal predecessors, (200), 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 04:47:13,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:47:13,343 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:13,343 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:47:13,344 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:13,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:13,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1994950082, now seen corresponding path program 1 times [2023-11-19 04:47:13,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:47:13,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309175061] [2023-11-19 04:47:13,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:13,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:47:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:13,679 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 04:47:13,680 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:47:13,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309175061] [2023-11-19 04:47:13,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309175061] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:47:13,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:47:13,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:47:13,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339508148] [2023-11-19 04:47:13,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:47:13,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:47:13,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:47:13,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:47:13,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:47:13,756 INFO L87 Difference]: Start difference. First operand has 135 states, 115 states have (on average 1.7391304347826086) internal successors, (200), 126 states have internal predecessors, (200), 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 04:47:15,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:47:17,855 WARN L539 Checker$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 04:47:17,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:47:17,871 INFO L93 Difference]: Finished difference Result 144 states and 249 transitions. [2023-11-19 04:47:17,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:47:17,881 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 04:47:17,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:47:17,889 INFO L225 Difference]: With dead ends: 144 [2023-11-19 04:47:17,889 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:47:17,898 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 04:47:17,905 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 9 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:47:17,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 6 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2023-11-19 04:47:17,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:47:17,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:47:17,939 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 04:47:17,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:47:17,942 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2023-11-19 04:47:17,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:47:17,942 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:47:17,943 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 04:47:17,943 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:47:17,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:47:17,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:47:17,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:47:17,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 04:47:18,060 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:47:18,061 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-19 04:47:18,062 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-19 04:47:18,062 INFO L899 garLoopResultBuilder]: For program point L758-170(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,063 INFO L895 garLoopResultBuilder]: At program point L758-171(line 758) the Hoare annotation is: (= |ULTIMATE.start_main_~i~0#1| 0) [2023-11-19 04:47:18,063 INFO L899 garLoopResultBuilder]: For program point L758-172(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,063 INFO L899 garLoopResultBuilder]: For program point L758-173(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,064 INFO L895 garLoopResultBuilder]: At program point L758-174(line 758) the Hoare annotation is: (= |ULTIMATE.start_main_~i~0#1| 0) [2023-11-19 04:47:18,064 INFO L899 garLoopResultBuilder]: For program point L758-175(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,065 INFO L895 garLoopResultBuilder]: At program point L758-176(line 758) the Hoare annotation is: (= |ULTIMATE.start_main_~i~0#1| 0) [2023-11-19 04:47:18,065 INFO L899 garLoopResultBuilder]: For program point L758-178(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,066 INFO L899 garLoopResultBuilder]: For program point L758-180(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,066 INFO L895 garLoopResultBuilder]: At program point L758-182(line 758) the Hoare annotation is: false [2023-11-19 04:47:18,066 INFO L899 garLoopResultBuilder]: For program point L758-183(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,067 INFO L899 garLoopResultBuilder]: For program point L758-184(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,067 INFO L895 garLoopResultBuilder]: At program point L758-186(line 758) the Hoare annotation is: false [2023-11-19 04:47:18,067 INFO L899 garLoopResultBuilder]: For program point L758-187(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,068 INFO L899 garLoopResultBuilder]: For program point L758-188(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,068 INFO L895 garLoopResultBuilder]: At program point L758-189(line 758) the Hoare annotation is: false [2023-11-19 04:47:18,068 INFO L899 garLoopResultBuilder]: For program point L758-190(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,069 INFO L899 garLoopResultBuilder]: For program point L758-193(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,069 INFO L895 garLoopResultBuilder]: At program point L758-194(line 758) the Hoare annotation is: false [2023-11-19 04:47:18,069 INFO L899 garLoopResultBuilder]: For program point L759-169(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,070 INFO L895 garLoopResultBuilder]: At program point L759-170(line 759) the Hoare annotation is: false [2023-11-19 04:47:18,070 INFO L899 garLoopResultBuilder]: For program point L758-202(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,070 INFO L899 garLoopResultBuilder]: For program point L759-171(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,071 INFO L895 garLoopResultBuilder]: At program point L758-203(line 758) the Hoare annotation is: false [2023-11-19 04:47:18,071 INFO L899 garLoopResultBuilder]: For program point L759-172(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,071 INFO L895 garLoopResultBuilder]: At program point L759-173(line 759) the Hoare annotation is: false [2023-11-19 04:47:18,072 INFO L899 garLoopResultBuilder]: For program point L759-174(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,072 INFO L895 garLoopResultBuilder]: At program point L759-175(line 759) the Hoare annotation is: false [2023-11-19 04:47:18,072 INFO L899 garLoopResultBuilder]: For program point L759-177(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,073 INFO L899 garLoopResultBuilder]: For program point L758-210(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,073 INFO L899 garLoopResultBuilder]: For program point L759-179(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,073 INFO L899 garLoopResultBuilder]: For program point L758-212(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,074 INFO L895 garLoopResultBuilder]: At program point L759-181(line 759) the Hoare annotation is: false [2023-11-19 04:47:18,074 INFO L899 garLoopResultBuilder]: For program point L759-182(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,074 INFO L895 garLoopResultBuilder]: At program point L758-214(line 758) the Hoare annotation is: false [2023-11-19 04:47:18,075 INFO L899 garLoopResultBuilder]: For program point L759-183(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,075 INFO L899 garLoopResultBuilder]: For program point L758-215(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,076 INFO L895 garLoopResultBuilder]: At program point L759-185(line 759) the Hoare annotation is: false [2023-11-19 04:47:18,076 INFO L899 garLoopResultBuilder]: For program point L759-186(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,076 INFO L899 garLoopResultBuilder]: For program point L759-187(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,077 INFO L895 garLoopResultBuilder]: At program point L759-188(line 759) the Hoare annotation is: false [2023-11-19 04:47:18,077 INFO L899 garLoopResultBuilder]: For program point L759-189(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,077 INFO L899 garLoopResultBuilder]: For program point L759-192(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,078 INFO L895 garLoopResultBuilder]: At program point L759-193(line 759) the Hoare annotation is: false [2023-11-19 04:47:18,078 INFO L899 garLoopResultBuilder]: For program point L758-225(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,078 INFO L899 garLoopResultBuilder]: For program point L759-201(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,079 INFO L895 garLoopResultBuilder]: At program point L759-202(line 759) the Hoare annotation is: false [2023-11-19 04:47:18,079 INFO L899 garLoopResultBuilder]: For program point L758-235(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,079 INFO L895 garLoopResultBuilder]: At program point L758-236(line 758) the Hoare annotation is: false [2023-11-19 04:47:18,080 INFO L899 garLoopResultBuilder]: For program point L758-237(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,080 INFO L899 garLoopResultBuilder]: For program point L759-209(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,080 INFO L899 garLoopResultBuilder]: For program point L759-211(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,081 INFO L895 garLoopResultBuilder]: At program point L759-213(line 759) the Hoare annotation is: false [2023-11-19 04:47:18,081 INFO L899 garLoopResultBuilder]: For program point L759-214(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,082 INFO L895 garLoopResultBuilder]: At program point L758-246(line 758) the Hoare annotation is: false [2023-11-19 04:47:18,082 INFO L895 garLoopResultBuilder]: At program point L758-248(line 758) the Hoare annotation is: false [2023-11-19 04:47:18,082 INFO L899 garLoopResultBuilder]: For program point L758-249(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,083 INFO L899 garLoopResultBuilder]: For program point L758-255(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,083 INFO L899 garLoopResultBuilder]: For program point L759-224(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,083 INFO L899 garLoopResultBuilder]: For program point L758-256(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,084 INFO L895 garLoopResultBuilder]: At program point L758-257(line 758) the Hoare annotation is: false [2023-11-19 04:47:18,084 INFO L899 garLoopResultBuilder]: For program point L758-259(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,084 INFO L899 garLoopResultBuilder]: For program point L758-260(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,085 INFO L895 garLoopResultBuilder]: At program point L758-261(line 758) the Hoare annotation is: false [2023-11-19 04:47:18,085 INFO L899 garLoopResultBuilder]: For program point L758-262(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,085 INFO L899 garLoopResultBuilder]: For program point L758-263(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,086 INFO L895 garLoopResultBuilder]: At program point L758-264(line 758) the Hoare annotation is: false [2023-11-19 04:47:18,086 INFO L899 garLoopResultBuilder]: For program point L758-265(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,086 INFO L899 garLoopResultBuilder]: For program point L759-234(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,087 INFO L895 garLoopResultBuilder]: At program point L758-266(line 758) the Hoare annotation is: false [2023-11-19 04:47:18,087 INFO L895 garLoopResultBuilder]: At program point L759-235(line 759) the Hoare annotation is: false [2023-11-19 04:47:18,087 INFO L899 garLoopResultBuilder]: For program point L758-267(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,088 INFO L899 garLoopResultBuilder]: For program point L759-236(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,088 INFO L899 garLoopResultBuilder]: For program point L758-268(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,088 INFO L895 garLoopResultBuilder]: At program point L758-269(line 758) the Hoare annotation is: (= |ULTIMATE.start_main_~i~0#1| 0) [2023-11-19 04:47:18,089 INFO L895 garLoopResultBuilder]: At program point L759-245(line 759) the Hoare annotation is: false [2023-11-19 04:47:18,089 INFO L895 garLoopResultBuilder]: At program point L759-247(line 759) the Hoare annotation is: false [2023-11-19 04:47:18,089 INFO L899 garLoopResultBuilder]: For program point L759-248(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,090 INFO L899 garLoopResultBuilder]: For program point L759-254(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,090 INFO L899 garLoopResultBuilder]: For program point L759-255(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,090 INFO L895 garLoopResultBuilder]: At program point L759-256(line 759) the Hoare annotation is: false [2023-11-19 04:47:18,091 INFO L899 garLoopResultBuilder]: For program point L759-258(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,091 INFO L899 garLoopResultBuilder]: For program point L759-259(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,091 INFO L895 garLoopResultBuilder]: At program point L759-260(line 759) the Hoare annotation is: false [2023-11-19 04:47:18,092 INFO L899 garLoopResultBuilder]: For program point L759-261(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,092 INFO L899 garLoopResultBuilder]: For program point L759-262(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,092 INFO L895 garLoopResultBuilder]: At program point L759-263(line 759) the Hoare annotation is: false [2023-11-19 04:47:18,093 INFO L899 garLoopResultBuilder]: For program point L759-264(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,093 INFO L895 garLoopResultBuilder]: At program point L759-265(line 759) the Hoare annotation is: false [2023-11-19 04:47:18,093 INFO L899 garLoopResultBuilder]: For program point L759-266(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,094 INFO L899 garLoopResultBuilder]: For program point L759-267(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,094 INFO L895 garLoopResultBuilder]: At program point L759-268(line 759) the Hoare annotation is: false [2023-11-19 04:47:18,094 INFO L899 garLoopResultBuilder]: For program point L708(lines 708 739) no Hoare annotation was computed. [2023-11-19 04:47:18,095 INFO L899 garLoopResultBuilder]: For program point L709(line 709) no Hoare annotation was computed. [2023-11-19 04:47:18,095 INFO L895 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: false [2023-11-19 04:47:18,095 INFO L899 garLoopResultBuilder]: For program point L712(line 712) no Hoare annotation was computed. [2023-11-19 04:47:18,096 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: false [2023-11-19 04:47:18,096 INFO L899 garLoopResultBuilder]: For program point L715(line 715) no Hoare annotation was computed. [2023-11-19 04:47:18,096 INFO L895 garLoopResultBuilder]: At program point L716(line 716) the Hoare annotation is: false [2023-11-19 04:47:18,097 INFO L899 garLoopResultBuilder]: For program point L718(line 718) no Hoare annotation was computed. [2023-11-19 04:47:18,097 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:47:18,097 INFO L895 garLoopResultBuilder]: At program point L719(line 719) the Hoare annotation is: false [2023-11-19 04:47:18,097 INFO L899 garLoopResultBuilder]: For program point L721(line 721) no Hoare annotation was computed. [2023-11-19 04:47:18,098 INFO L895 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: false [2023-11-19 04:47:18,098 INFO L899 garLoopResultBuilder]: For program point L724(line 724) no Hoare annotation was computed. [2023-11-19 04:47:18,098 INFO L895 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: false [2023-11-19 04:47:18,099 INFO L899 garLoopResultBuilder]: For program point L727(line 727) no Hoare annotation was computed. [2023-11-19 04:47:18,099 INFO L895 garLoopResultBuilder]: At program point L728(line 728) the Hoare annotation is: false [2023-11-19 04:47:18,099 INFO L899 garLoopResultBuilder]: For program point L730(line 730) no Hoare annotation was computed. [2023-11-19 04:47:18,100 INFO L895 garLoopResultBuilder]: At program point L731(line 731) the Hoare annotation is: false [2023-11-19 04:47:18,100 INFO L899 garLoopResultBuilder]: For program point L733(line 733) no Hoare annotation was computed. [2023-11-19 04:47:18,100 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: false [2023-11-19 04:47:18,101 INFO L899 garLoopResultBuilder]: For program point L736(line 736) no Hoare annotation was computed. [2023-11-19 04:47:18,101 INFO L895 garLoopResultBuilder]: At program point L737(line 737) the Hoare annotation is: false [2023-11-19 04:47:18,101 INFO L899 garLoopResultBuilder]: For program point L751-2(lines 751 760) no Hoare annotation was computed. [2023-11-19 04:47:18,102 INFO L895 garLoopResultBuilder]: At program point L751-3(lines 751 760) the Hoare annotation is: (= |ULTIMATE.start_main_~i~0#1| 0) [2023-11-19 04:47:18,102 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 04:47:18,102 INFO L899 garLoopResultBuilder]: For program point L758-68(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,103 INFO L895 garLoopResultBuilder]: At program point L758-69(line 758) the Hoare annotation is: (= |ULTIMATE.start_main_~i~0#1| 0) [2023-11-19 04:47:18,103 INFO L899 garLoopResultBuilder]: For program point L758-70(line 758) no Hoare annotation was computed. [2023-11-19 04:47:18,103 INFO L895 garLoopResultBuilder]: At program point L758-71(line 758) the Hoare annotation is: (= |ULTIMATE.start_main_~i~0#1| 0) [2023-11-19 04:47:18,104 INFO L895 garLoopResultBuilder]: At program point L761-3(lines 761 763) the Hoare annotation is: false [2023-11-19 04:47:18,104 INFO L899 garLoopResultBuilder]: For program point L759-67(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,104 INFO L895 garLoopResultBuilder]: At program point L759-68(line 759) the Hoare annotation is: false [2023-11-19 04:47:18,105 INFO L899 garLoopResultBuilder]: For program point L759-69(line 759) no Hoare annotation was computed. [2023-11-19 04:47:18,105 INFO L895 garLoopResultBuilder]: At program point L759-70(line 759) the Hoare annotation is: false [2023-11-19 04:47:18,105 INFO L899 garLoopResultBuilder]: For program point L703(line 703) no Hoare annotation was computed. [2023-11-19 04:47:18,106 INFO L899 garLoopResultBuilder]: For program point L702(lines 702 704) no Hoare annotation was computed. [2023-11-19 04:47:18,106 INFO L899 garLoopResultBuilder]: For program point L702-2(lines 701 705) no Hoare annotation was computed. [2023-11-19 04:47:18,106 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 701 705) no Hoare annotation was computed. [2023-11-19 04:47:18,107 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 701 705) the Hoare annotation is: true [2023-11-19 04:47:18,107 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 703) no Hoare annotation was computed. [2023-11-19 04:47:18,112 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:47:18,116 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:47:18,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:47:18 BoogieIcfgContainer [2023-11-19 04:47:18,136 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:47:18,138 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:47:18,138 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:47:18,138 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:47:18,139 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:13" (3/4) ... [2023-11-19 04:47:18,143 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:47:18,152 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 04:47:18,153 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 04:47:18,208 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 225 nodes and edges [2023-11-19 04:47:18,210 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-19 04:47:18,212 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 04:47:18,214 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:47:18,439 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf9f1cb-f725-4339-86b1-cb9b1f3641cb/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:47:18,440 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf9f1cb-f725-4339-86b1-cb9b1f3641cb/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:47:18,440 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:47:18,441 INFO L158 Benchmark]: Toolchain (without parser) took 12740.93ms. Allocated memory was 165.7MB in the beginning and 291.5MB in the end (delta: 125.8MB). Free memory was 133.3MB in the beginning and 196.8MB in the end (delta: -63.5MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2023-11-19 04:47:18,442 INFO L158 Benchmark]: CDTParser took 15.02ms. Allocated memory is still 132.1MB. Free memory was 104.8MB in the beginning and 104.6MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:47:18,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1057.03ms. Allocated memory is still 165.7MB. Free memory was 133.3MB in the beginning and 98.9MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 04:47:18,443 INFO L158 Benchmark]: Boogie Procedure Inliner took 173.25ms. Allocated memory is still 165.7MB. Free memory was 98.3MB in the beginning and 89.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:47:18,444 INFO L158 Benchmark]: Boogie Preprocessor took 151.58ms. Allocated memory is still 165.7MB. Free memory was 89.5MB in the beginning and 79.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:47:18,445 INFO L158 Benchmark]: RCFGBuilder took 6135.56ms. Allocated memory was 165.7MB in the beginning and 222.3MB in the end (delta: 56.6MB). Free memory was 79.5MB in the beginning and 65.5MB in the end (delta: 13.9MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. [2023-11-19 04:47:18,445 INFO L158 Benchmark]: TraceAbstraction took 4912.73ms. Allocated memory was 222.3MB in the beginning and 291.5MB in the end (delta: 69.2MB). Free memory was 64.5MB in the beginning and 209.4MB in the end (delta: -144.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:47:18,446 INFO L158 Benchmark]: Witness Printer took 303.06ms. Allocated memory is still 291.5MB. Free memory was 209.4MB in the beginning and 196.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:47:18,449 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 15.02ms. Allocated memory is still 132.1MB. Free memory was 104.8MB in the beginning and 104.6MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1057.03ms. Allocated memory is still 165.7MB. Free memory was 133.3MB in the beginning and 98.9MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 173.25ms. Allocated memory is still 165.7MB. Free memory was 98.3MB in the beginning and 89.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 151.58ms. Allocated memory is still 165.7MB. Free memory was 89.5MB in the beginning and 79.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 6135.56ms. Allocated memory was 165.7MB in the beginning and 222.3MB in the end (delta: 56.6MB). Free memory was 79.5MB in the beginning and 65.5MB in the end (delta: 13.9MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4912.73ms. Allocated memory was 222.3MB in the beginning and 291.5MB in the end (delta: 69.2MB). Free memory was 64.5MB in the beginning and 209.4MB in the end (delta: -144.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 303.06ms. Allocated memory is still 291.5MB. Free memory was 209.4MB in the beginning and 196.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. 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: 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, 135 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 6 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 72 PreInvPairs, 79 NumberOfFragments, 67 HoareAnnotationTreeSize, 72 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 53 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 1 specifications checked. All of them hold - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: (i == 0) - 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: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: (i == 0) - InvariantResult [Line: 758]: 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: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: (i == 0) - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: (i == 0) - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: (i == 0) - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: (i == 0) - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: 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: 758]: Loop Invariant Derived loop invariant: (i == 0) - 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 RESULT: Ultimate proved your program to be correct! [2023-11-19 04:47:18,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf9f1cb-f725-4339-86b1-cb9b1f3641cb/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