./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.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_47116473-2459-40c1-86d4-a658c475cc82/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47116473-2459-40c1-86d4-a658c475cc82/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47116473-2459-40c1-86d4-a658c475cc82/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47116473-2459-40c1-86d4-a658c475cc82/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47116473-2459-40c1-86d4-a658c475cc82/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47116473-2459-40c1-86d4-a658c475cc82/bin/ukojak-verify-G8NBE6pJGL --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:18:08,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:18:08,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47116473-2459-40c1-86d4-a658c475cc82/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:18:08,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:18:08,420 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:18:08,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:18:08,473 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:18:08,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:18:08,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:18:08,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:18:08,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:18:08,477 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:18:08,477 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:18:08,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:18:08,479 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:18:08,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:18:08,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:18:08,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:18:08,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:18:08,481 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:18:08,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:18:08,483 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:18:08,483 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:18:08,484 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:18:08,484 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:18:08,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:18:08,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:08,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:18:08,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:18:08,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:18:08,487 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:18:08,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:18:08,488 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:18:08,488 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_47116473-2459-40c1-86d4-a658c475cc82/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47116473-2459-40c1-86d4-a658c475cc82/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 [2023-11-19 03:18:08,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:18:08,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:18:08,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:18:08,818 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:18:08,819 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:18:08,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47116473-2459-40c1-86d4-a658c475cc82/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2023-11-19 03:18:11,830 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:18:12,320 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:18:12,320 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47116473-2459-40c1-86d4-a658c475cc82/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2023-11-19 03:18:12,352 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47116473-2459-40c1-86d4-a658c475cc82/bin/ukojak-verify-G8NBE6pJGL/data/3d1b6d7c6/6de1babf822e46d28bf48401f2e3e4da/FLAGf3c862671 [2023-11-19 03:18:12,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47116473-2459-40c1-86d4-a658c475cc82/bin/ukojak-verify-G8NBE6pJGL/data/3d1b6d7c6/6de1babf822e46d28bf48401f2e3e4da [2023-11-19 03:18:12,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:18:12,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:18:12,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:12,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:18:12,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:18:12,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:12" (1/1) ... [2023-11-19 03:18:12,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed6ca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:12, skipping insertion in model container [2023-11-19 03:18:12,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:12" (1/1) ... [2023-11-19 03:18:12,475 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:18:13,021 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_47116473-2459-40c1-86d4-a658c475cc82/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[33021,33034] [2023-11-19 03:18:13,340 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47116473-2459-40c1-86d4-a658c475cc82/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[84583,84596] [2023-11-19 03:18:13,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:13,362 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:18:13,411 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_47116473-2459-40c1-86d4-a658c475cc82/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[33021,33034] [2023-11-19 03:18:13,578 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_47116473-2459-40c1-86d4-a658c475cc82/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[84583,84596] [2023-11-19 03:18:13,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:13,640 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:18:13,648 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:18:13,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13 WrapperNode [2023-11-19 03:18:13,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:13,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:13,650 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:18:13,650 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:18:13,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:13,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:13,838 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3187 [2023-11-19 03:18:13,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:13,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:18:13,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:18:13,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:18:13,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:13,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:13,861 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:13,862 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:13,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:13,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:13,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:14,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:14,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:18:14,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:18:14,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:18:14,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:18:14,023 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:13" (1/1) ... [2023-11-19 03:18:14,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:14,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47116473-2459-40c1-86d4-a658c475cc82/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:18:14,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47116473-2459-40c1-86d4-a658c475cc82/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:18:14,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47116473-2459-40c1-86d4-a658c475cc82/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:18:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:18:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:18:14,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:18:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:18:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:18:14,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:18:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:18:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:18:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:18:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:18:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:18:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:18:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:18:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:18:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:18:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:18:14,342 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:18:14,354 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:18:17,172 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:18:19,323 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:18:19,324 INFO L302 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-19 03:18:19,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:19 BoogieIcfgContainer [2023-11-19 03:18:19,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:18:19,338 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:18:19,338 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:18:19,348 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:18:19,348 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:19" (1/1) ... [2023-11-19 03:18:19,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:18:19,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:19,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 1106 states and 2176 transitions. [2023-11-19 03:18:19,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 2176 transitions. [2023-11-19 03:18:19,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:18:19,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:19,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:19,617 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 03:18:19,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:19,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 1106 states and 2171 transitions. [2023-11-19 03:18:19,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 2171 transitions. [2023-11-19 03:18:19,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:18:19,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:19,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:19,880 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 03:18:19,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:19,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1108 states and 2170 transitions. [2023-11-19 03:18:19,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2170 transitions. [2023-11-19 03:18:19,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:18:19,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:19,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:20,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:18:20,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:18:20,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:20,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:20,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 1108 states and 2166 transitions. [2023-11-19 03:18:20,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2166 transitions. [2023-11-19 03:18:20,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:18:20,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:20,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:20,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:18:20,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:18:20,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:30,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:18:30,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:30,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 72 states and 108 transitions. [2023-11-19 03:18:30,253 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 108 transitions. [2023-11-19 03:18:30,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:18:30,254 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-19 03:18:30,268 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-11-19 03:18:30,329 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,334 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,334 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,334 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,334 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,335 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,335 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,335 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,335 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,336 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,336 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,336 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,336 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,336 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,337 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,337 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,337 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,337 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,338 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,338 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,338 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,338 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,338 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,339 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,339 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,339 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:18:30,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:18:30 ImpRootNode [2023-11-19 03:18:30,341 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:18:30,341 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:18:30,342 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:18:30,342 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:18:30,342 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:19" (3/4) ... [2023-11-19 03:18:30,345 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:18:30,349 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 03:18:30,349 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 03:18:30,410 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 208 nodes and edges [2023-11-19 03:18:30,413 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-11-19 03:18:30,415 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-19 03:18:30,418 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:18:30,645 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47116473-2459-40c1-86d4-a658c475cc82/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:18:30,646 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47116473-2459-40c1-86d4-a658c475cc82/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:18:30,646 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:18:30,647 INFO L158 Benchmark]: Toolchain (without parser) took 18275.10ms. Allocated memory was 163.6MB in the beginning and 341.8MB in the end (delta: 178.3MB). Free memory was 127.5MB in the beginning and 231.5MB in the end (delta: -103.9MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2023-11-19 03:18:30,647 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:18:30,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1276.16ms. Allocated memory is still 163.6MB. Free memory was 126.8MB in the beginning and 115.6MB in the end (delta: 11.2MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2023-11-19 03:18:30,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 189.30ms. Allocated memory is still 163.6MB. Free memory was 115.6MB in the beginning and 100.1MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:18:30,648 INFO L158 Benchmark]: Boogie Preprocessor took 181.81ms. Allocated memory is still 163.6MB. Free memory was 100.1MB in the beginning and 85.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:18:30,649 INFO L158 Benchmark]: RCFGBuilder took 5314.93ms. Allocated memory was 163.6MB in the beginning and 253.8MB in the end (delta: 90.2MB). Free memory was 85.4MB in the beginning and 117.2MB in the end (delta: -31.8MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. [2023-11-19 03:18:30,649 INFO L158 Benchmark]: CodeCheck took 11002.87ms. Allocated memory was 253.8MB in the beginning and 341.8MB in the end (delta: 88.1MB). Free memory was 117.2MB in the beginning and 249.3MB in the end (delta: -132.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:18:30,650 INFO L158 Benchmark]: Witness Printer took 304.51ms. Allocated memory is still 341.8MB. Free memory was 249.3MB in the beginning and 231.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:18:30,652 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 1106 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 10.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 230 SdHoareTripleChecker+Valid, 10.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 90 SdHoareTripleChecker+Invalid, 10.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 90 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 486 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 75 SizeOfPredicates, 0 NumberOfNonLiveVariables, 315 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 2234]: 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 2227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2230]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2230]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2230]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2230]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2230]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2230]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2220]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1276.16ms. Allocated memory is still 163.6MB. Free memory was 126.8MB in the beginning and 115.6MB in the end (delta: 11.2MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 189.30ms. Allocated memory is still 163.6MB. Free memory was 115.6MB in the beginning and 100.1MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 181.81ms. Allocated memory is still 163.6MB. Free memory was 100.1MB in the beginning and 85.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 5314.93ms. Allocated memory was 163.6MB in the beginning and 253.8MB in the end (delta: 90.2MB). Free memory was 85.4MB in the beginning and 117.2MB in the end (delta: -31.8MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. * CodeCheck took 11002.87ms. Allocated memory was 253.8MB in the beginning and 341.8MB in the end (delta: 88.1MB). Free memory was 117.2MB in the beginning and 249.3MB in the end (delta: -132.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 304.51ms. Allocated memory is still 341.8MB. Free memory was 249.3MB in the beginning and 231.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:18:30,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47116473-2459-40c1-86d4-a658c475cc82/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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