./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test_malloc-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b5fb6f-34da-49fa-8dc1-dd953c176179/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b5fb6f-34da-49fa-8dc1-dd953c176179/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b5fb6f-34da-49fa-8dc1-dd953c176179/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b5fb6f-34da-49fa-8dc1-dd953c176179/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_malloc-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b5fb6f-34da-49fa-8dc1-dd953c176179/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b5fb6f-34da-49fa-8dc1-dd953c176179/bin/ukojak-verify-ENZ3QT5qd3 --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 14d9bdceb12d4ac816bce93d05714f00f1eaadd0420cdf9ca673b95dab112da3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:10:34,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:10:34,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b5fb6f-34da-49fa-8dc1-dd953c176179/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:10:34,901 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:10:34,901 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:10:34,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:10:34,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:10:34,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:10:34,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:10:34,944 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:10:34,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:10:34,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:10:34,945 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:10:34,945 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:10:34,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:10:34,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:10:34,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:10:34,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:10:34,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:10:34,946 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:10:34,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:10:34,947 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:10:34,947 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:10:34,948 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:10:34,948 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:10:34,948 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:10:34,948 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:10:34,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:10:34,948 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:10:34,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:10:34,949 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:10:34,949 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:10:34,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:10:34,949 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_67b5fb6f-34da-49fa-8dc1-dd953c176179/bin/ukojak-verify-ENZ3QT5qd3 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 -> 14d9bdceb12d4ac816bce93d05714f00f1eaadd0420cdf9ca673b95dab112da3 [2024-11-25 05:10:35,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:10:35,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:10:35,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:10:35,265 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:10:35,265 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:10:35,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b5fb6f-34da-49fa-8dc1-dd953c176179/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-regression/test_malloc-1.i [2024-11-25 05:10:38,167 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b5fb6f-34da-49fa-8dc1-dd953c176179/bin/ukojak-verify-ENZ3QT5qd3/data/1d2d0e897/ac3d65a72d2d4c9aa1ae5ecf69666c9a/FLAG893042c0d [2024-11-25 05:10:38,530 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:10:38,533 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b5fb6f-34da-49fa-8dc1-dd953c176179/sv-benchmarks/c/ldv-regression/test_malloc-1.i [2024-11-25 05:10:38,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b5fb6f-34da-49fa-8dc1-dd953c176179/bin/ukojak-verify-ENZ3QT5qd3/data/1d2d0e897/ac3d65a72d2d4c9aa1ae5ecf69666c9a/FLAG893042c0d [2024-11-25 05:10:38,734 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b5fb6f-34da-49fa-8dc1-dd953c176179/bin/ukojak-verify-ENZ3QT5qd3/data/1d2d0e897/ac3d65a72d2d4c9aa1ae5ecf69666c9a [2024-11-25 05:10:38,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:10:38,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:10:38,742 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:10:38,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:10:38,751 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:10:38,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:10:38" (1/1) ... [2024-11-25 05:10:38,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4801b1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:38, skipping insertion in model container [2024-11-25 05:10:38,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:10:38" (1/1) ... [2024-11-25 05:10:38,788 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:10:38,980 WARN L250 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_67b5fb6f-34da-49fa-8dc1-dd953c176179/sv-benchmarks/c/ldv-regression/test_malloc-1.i[813,826] [2024-11-25 05:10:39,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:10:39,170 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:10:39,185 WARN L250 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_67b5fb6f-34da-49fa-8dc1-dd953c176179/sv-benchmarks/c/ldv-regression/test_malloc-1.i[813,826] [2024-11-25 05:10:39,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:10:39,247 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:10:39,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:39 WrapperNode [2024-11-25 05:10:39,249 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:10:39,250 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:10:39,250 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:10:39,250 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:10:39,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:39" (1/1) ... [2024-11-25 05:10:39,271 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:39" (1/1) ... [2024-11-25 05:10:39,286 INFO L138 Inliner]: procedures = 131, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2024-11-25 05:10:39,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:10:39,287 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:10:39,287 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:10:39,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:10:39,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:39" (1/1) ... [2024-11-25 05:10:39,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:39" (1/1) ... [2024-11-25 05:10:39,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:39" (1/1) ... [2024-11-25 05:10:39,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:39" (1/1) ... [2024-11-25 05:10:39,299 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:39" (1/1) ... [2024-11-25 05:10:39,300 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:39" (1/1) ... [2024-11-25 05:10:39,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:39" (1/1) ... [2024-11-25 05:10:39,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:39" (1/1) ... [2024-11-25 05:10:39,303 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:39" (1/1) ... [2024-11-25 05:10:39,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:10:39,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:10:39,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:10:39,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:10:39,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:39" (1/1) ... [2024-11-25 05:10:39,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:10:39,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b5fb6f-34da-49fa-8dc1-dd953c176179/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:10:39,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b5fb6f-34da-49fa-8dc1-dd953c176179/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:10:39,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b5fb6f-34da-49fa-8dc1-dd953c176179/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:10:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 05:10:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:10:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:10:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:10:39,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:10:39,497 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:10:39,499 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:10:39,609 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-25 05:10:39,609 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:10:39,641 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:10:39,641 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:10:39,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:39 BoogieIcfgContainer [2024-11-25 05:10:39,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:10:39,642 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:10:39,642 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:10:39,653 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:10:39,653 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:39" (1/1) ... [2024-11-25 05:10:39,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:10:39,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:39,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 05:10:39,722 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 05:10:39,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:10:39,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:10:39,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:10:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:40,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:10:40,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:40,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-25 05:10:40,221 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-25 05:10:40,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 05:10:40,221 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-25 05:10:40,231 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 05:10:40,251 INFO L77 FloydHoareUtils]: At program point L385(lines 385 387) the Hoare annotation is: (not (= |ULTIMATE.start_main_~p2~0#1.base| |ULTIMATE.start_main_~p1~0#1.base|)) [2024-11-25 05:10:40,251 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 05:10:40,251 INFO L77 FloydHoareUtils]: At program point L385-2(lines 385 387) the Hoare annotation is: true [2024-11-25 05:10:40,251 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2024-11-25 05:10:40,251 INFO L75 FloydHoareUtils]: For program point L15(line 15) no Hoare annotation was computed. [2024-11-25 05:10:40,251 INFO L77 FloydHoareUtils]: At program point L14(lines 14 16) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-11-25 05:10:40,252 INFO L77 FloydHoareUtils]: At program point L14-2(lines 13 18) the Hoare annotation is: true [2024-11-25 05:10:40,252 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 05:10:40,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:10:40 ImpRootNode [2024-11-25 05:10:40,262 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:10:40,263 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:10:40,263 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:10:40,263 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:10:40,264 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:39" (3/4) ... [2024-11-25 05:10:40,267 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 05:10:40,274 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-25 05:10:40,275 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 05:10:40,275 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 05:10:40,275 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 05:10:40,349 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b5fb6f-34da-49fa-8dc1-dd953c176179/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:10:40,349 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b5fb6f-34da-49fa-8dc1-dd953c176179/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:10:40,349 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:10:40,355 INFO L158 Benchmark]: Toolchain (without parser) took 1612.00ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 64.3MB in the end (delta: 54.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 05:10:40,355 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:10:40,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.15ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 101.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:10:40,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.78ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 100.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:10:40,356 INFO L158 Benchmark]: Boogie Preprocessor took 18.18ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 99.5MB in the end (delta: 773.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:10:40,357 INFO L158 Benchmark]: RCFGBuilder took 336.15ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 88.5MB in the end (delta: 11.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:10:40,357 INFO L158 Benchmark]: CodeCheck took 619.95ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 68.5MB in the end (delta: 20.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 05:10:40,357 INFO L158 Benchmark]: Witness Printer took 86.44ms. Allocated memory is still 142.6MB. Free memory was 68.5MB in the beginning and 64.3MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:10:40,362 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 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 1 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 22 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 15]: 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 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 507.15ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 101.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.78ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 100.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.18ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 99.5MB in the end (delta: 773.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 336.15ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 88.5MB in the end (delta: 11.0MB). There was no memory consumed. Max. memory is 16.1GB. * CodeCheck took 619.95ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 68.5MB in the end (delta: 20.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 86.44ms. Allocated memory is still 142.6MB. Free memory was 68.5MB in the beginning and 64.3MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 05:10:40,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b5fb6f-34da-49fa-8dc1-dd953c176179/bin/ukojak-verify-ENZ3QT5qd3/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