./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_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_9217d835-2ef0-4460-9b83-3b3a80396826/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9217d835-2ef0-4460-9b83-3b3a80396826/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_9217d835-2ef0-4460-9b83-3b3a80396826/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9217d835-2ef0-4460-9b83-3b3a80396826/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9217d835-2ef0-4460-9b83-3b3a80396826/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_9217d835-2ef0-4460-9b83-3b3a80396826/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 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:15:37,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:15:38,084 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9217d835-2ef0-4460-9b83-3b3a80396826/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:15:38,094 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:15:38,095 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:15:38,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:15:38,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:15:38,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:15:38,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:15:38,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:15:38,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:15:38,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:15:38,161 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:15:38,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:15:38,163 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:15:38,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:15:38,164 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:15:38,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:15:38,165 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:15:38,165 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:15:38,166 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:15:38,167 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:15:38,167 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:15:38,168 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:15:38,168 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:15:38,169 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:15:38,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:38,170 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:15:38,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:15:38,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:15:38,171 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:15:38,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:15:38,173 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:15:38,173 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_9217d835-2ef0-4460-9b83-3b3a80396826/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9217d835-2ef0-4460-9b83-3b3a80396826/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 [2023-11-19 03:15:38,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:15:38,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:15:38,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:15:38,547 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:15:38,548 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:15:38,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9217d835-2ef0-4460-9b83-3b3a80396826/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2023-11-19 03:15:41,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:15:42,503 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:15:42,504 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9217d835-2ef0-4460-9b83-3b3a80396826/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2023-11-19 03:15:42,547 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9217d835-2ef0-4460-9b83-3b3a80396826/bin/ukojak-verify-G8NBE6pJGL/data/a81c406c8/d0298e6643ea4311b73f0aa27d01c6b1/FLAG9928bdb7f [2023-11-19 03:15:42,572 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9217d835-2ef0-4460-9b83-3b3a80396826/bin/ukojak-verify-G8NBE6pJGL/data/a81c406c8/d0298e6643ea4311b73f0aa27d01c6b1 [2023-11-19 03:15:42,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:15:42,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:15:42,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:42,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:15:42,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:15:42,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:42" (1/1) ... [2023-11-19 03:15:42,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@752c214a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:42, skipping insertion in model container [2023-11-19 03:15:42,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:42" (1/1) ... [2023-11-19 03:15:42,721 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:15:43,433 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_9217d835-2ef0-4460-9b83-3b3a80396826/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[33021,33034] [2023-11-19 03:15:43,836 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_9217d835-2ef0-4460-9b83-3b3a80396826/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[84583,84596] [2023-11-19 03:15:43,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:43,867 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:15:43,923 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_9217d835-2ef0-4460-9b83-3b3a80396826/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[33021,33034] [2023-11-19 03:15:44,159 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_9217d835-2ef0-4460-9b83-3b3a80396826/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[84583,84596] [2023-11-19 03:15:44,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:44,211 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:15:44,220 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:15:44,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44 WrapperNode [2023-11-19 03:15:44,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:44,224 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:44,224 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:15:44,224 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:15:44,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,439 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3187 [2023-11-19 03:15:44,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:44,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:15:44,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:15:44,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:15:44,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,467 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,667 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:15:44,668 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:15:44,668 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:15:44,668 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:15:44,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:44,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9217d835-2ef0-4460-9b83-3b3a80396826/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:15:44,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9217d835-2ef0-4460-9b83-3b3a80396826/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:15:44,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9217d835-2ef0-4460-9b83-3b3a80396826/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:15:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:15:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:15:44,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:15:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:15:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:15:44,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:15:44,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:15:44,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:15:44,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:15:44,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:15:44,767 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:15:44,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:15:44,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:15:44,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:15:44,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:15:44,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:15:45,057 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:15:45,060 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:15:48,468 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:15:50,656 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:15:50,656 INFO L302 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-19 03:15:50,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:50 BoogieIcfgContainer [2023-11-19 03:15:50,672 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:15:50,673 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:15:50,673 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:15:50,688 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:15:50,689 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:50" (1/1) ... [2023-11-19 03:15:50,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:15:50,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:50,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 1106 states and 2176 transitions. [2023-11-19 03:15:50,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 2176 transitions. [2023-11-19 03:15:50,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:15:50,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:50,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:51,027 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 03:15:51,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:51,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 1106 states and 2171 transitions. [2023-11-19 03:15:51,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 2171 transitions. [2023-11-19 03:15:51,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:15:51,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:51,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:51,260 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 03:15:51,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:51,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1108 states and 2170 transitions. [2023-11-19 03:15:51,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2170 transitions. [2023-11-19 03:15:51,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:15:51,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:51,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:51,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:15:51,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:51,416 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 03:15:51,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:51,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 1108 states and 2166 transitions. [2023-11-19 03:15:51,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2166 transitions. [2023-11-19 03:15:51,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:15:51,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:51,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:51,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:15:51,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:51,550 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 03:16:01,585 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 03:16:01,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:01,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 72 states and 108 transitions. [2023-11-19 03:16:01,591 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 108 transitions. [2023-11-19 03:16:01,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:16:01,593 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-19 03:16:01,607 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-11-19 03:16:01,671 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,677 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,677 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,677 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,677 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,678 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,678 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,678 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,678 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,679 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,679 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,679 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,679 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,680 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,680 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,680 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,680 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,680 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,681 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,681 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,681 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,681 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,682 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,682 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,682 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,682 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:01,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:16:01 ImpRootNode [2023-11-19 03:16:01,683 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:16:01,684 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:16:01,684 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:16:01,684 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:16:01,685 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:50" (3/4) ... [2023-11-19 03:16:01,688 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:16:01,692 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 03:16:01,692 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 03:16:01,744 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 208 nodes and edges [2023-11-19 03:16:01,746 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-11-19 03:16:01,749 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-19 03:16:01,752 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:16:02,057 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9217d835-2ef0-4460-9b83-3b3a80396826/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:16:02,057 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9217d835-2ef0-4460-9b83-3b3a80396826/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:16:02,058 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:16:02,059 INFO L158 Benchmark]: Toolchain (without parser) took 19481.85ms. Allocated memory was 155.2MB in the beginning and 268.4MB in the end (delta: 113.2MB). Free memory was 100.6MB in the beginning and 198.6MB in the end (delta: -98.0MB). Peak memory consumption was 160.1MB. Max. memory is 16.1GB. [2023-11-19 03:16:02,059 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:16:02,060 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1644.03ms. Allocated memory is still 155.2MB. Free memory was 100.6MB in the beginning and 101.9MB in the end (delta: -1.3MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2023-11-19 03:16:02,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 216.47ms. Allocated memory is still 155.2MB. Free memory was 101.9MB in the beginning and 85.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:16:02,061 INFO L158 Benchmark]: Boogie Preprocessor took 226.19ms. Allocated memory is still 155.2MB. Free memory was 85.9MB in the beginning and 71.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:16:02,061 INFO L158 Benchmark]: RCFGBuilder took 6004.37ms. Allocated memory was 155.2MB in the beginning and 268.4MB in the end (delta: 113.2MB). Free memory was 71.3MB in the beginning and 154.4MB in the end (delta: -83.1MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. [2023-11-19 03:16:02,062 INFO L158 Benchmark]: CodeCheck took 11010.39ms. Allocated memory is still 268.4MB. Free memory was 154.4MB in the beginning and 75.8MB in the end (delta: 78.6MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2023-11-19 03:16:02,062 INFO L158 Benchmark]: Witness Printer took 373.83ms. Allocated memory is still 268.4MB. Free memory was 75.8MB in the beginning and 198.6MB in the end (delta: -122.8MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2023-11-19 03:16:02,065 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 0.32ms. Allocated memory is still 111.1MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1644.03ms. Allocated memory is still 155.2MB. Free memory was 100.6MB in the beginning and 101.9MB in the end (delta: -1.3MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 216.47ms. Allocated memory is still 155.2MB. Free memory was 101.9MB in the beginning and 85.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 226.19ms. Allocated memory is still 155.2MB. Free memory was 85.9MB in the beginning and 71.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 6004.37ms. Allocated memory was 155.2MB in the beginning and 268.4MB in the end (delta: 113.2MB). Free memory was 71.3MB in the beginning and 154.4MB in the end (delta: -83.1MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. * CodeCheck took 11010.39ms. Allocated memory is still 268.4MB. Free memory was 154.4MB in the beginning and 75.8MB in the end (delta: 78.6MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * Witness Printer took 373.83ms. Allocated memory is still 268.4MB. Free memory was 75.8MB in the beginning and 198.6MB in the end (delta: -122.8MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:16:02,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9217d835-2ef0-4460-9b83-3b3a80396826/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE