./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_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_132151e5-0d8f-47d5-9e3d-7e86ee284d27/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132151e5-0d8f-47d5-9e3d-7e86ee284d27/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132151e5-0d8f-47d5-9e3d-7e86ee284d27/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132151e5-0d8f-47d5-9e3d-7e86ee284d27/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132151e5-0d8f-47d5-9e3d-7e86ee284d27/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132151e5-0d8f-47d5-9e3d-7e86ee284d27/bin/ukojak-verify-CZk0znPC7b --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 6ef1fc44e9d13d6b9af376534301f020e362ffbe9feb46f88fe421121f63fd75 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:59:41,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:59:41,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132151e5-0d8f-47d5-9e3d-7e86ee284d27/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:59:41,902 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:59:41,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:59:41,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:59:41,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:59:41,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:59:41,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:59:41,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:59:41,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:59:41,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:59:41,924 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:59:41,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:59:41,924 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:59:41,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:59:41,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:59:41,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:59:41,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:59:41,924 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:59:41,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:59:41,924 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:59:41,924 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:59:41,925 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:59:41,925 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:59:41,925 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:59:41,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:59:41,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:59:41,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:59:41,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:59:41,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:59:41,925 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:59:41,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:59:41,926 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_132151e5-0d8f-47d5-9e3d-7e86ee284d27/bin/ukojak-verify-CZk0znPC7b 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 -> 6ef1fc44e9d13d6b9af376534301f020e362ffbe9feb46f88fe421121f63fd75 [2024-12-05 23:59:42,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:59:42,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:59:42,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:59:42,187 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:59:42,187 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:59:42,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132151e5-0d8f-47d5-9e3d-7e86ee284d27/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2024-12-05 23:59:44,843 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132151e5-0d8f-47d5-9e3d-7e86ee284d27/bin/ukojak-verify-CZk0znPC7b/data/bce76670d/d40399869dd34f7780c531adedd983bd/FLAG7da810471 [2024-12-05 23:59:45,055 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:59:45,055 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132151e5-0d8f-47d5-9e3d-7e86ee284d27/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2024-12-05 23:59:45,063 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132151e5-0d8f-47d5-9e3d-7e86ee284d27/bin/ukojak-verify-CZk0znPC7b/data/bce76670d/d40399869dd34f7780c531adedd983bd/FLAG7da810471 [2024-12-05 23:59:45,078 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132151e5-0d8f-47d5-9e3d-7e86ee284d27/bin/ukojak-verify-CZk0znPC7b/data/bce76670d/d40399869dd34f7780c531adedd983bd [2024-12-05 23:59:45,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:59:45,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:59:45,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:59:45,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:59:45,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:59:45,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d9f6caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45, skipping insertion in model container [2024-12-05 23:59:45,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,106 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:59:45,229 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_132151e5-0d8f-47d5-9e3d-7e86ee284d27/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i[303,316] [2024-12-05 23:59:45,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:59:45,272 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:59:45,282 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_132151e5-0d8f-47d5-9e3d-7e86ee284d27/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i[303,316] [2024-12-05 23:59:45,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:59:45,309 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:59:45,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45 WrapperNode [2024-12-05 23:59:45,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:59:45,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:59:45,311 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:59:45,311 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:59:45,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,345 INFO L138 Inliner]: procedures = 24, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2024-12-05 23:59:45,345 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:59:45,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:59:45,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:59:45,346 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:59:45,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,363 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,371 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:59:45,372 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:59:45,372 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:59:45,372 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:59:45,373 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:59:45,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132151e5-0d8f-47d5-9e3d-7e86ee284d27/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:59:45,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132151e5-0d8f-47d5-9e3d-7e86ee284d27/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:59:45,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132151e5-0d8f-47d5-9e3d-7e86ee284d27/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:59:45,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 23:59:45,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:59:45,432 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-05 23:59:45,432 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-05 23:59:45,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:59:45,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 23:59:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 23:59:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 23:59:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-05 23:59:45,433 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-05 23:59:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:59:45,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:59:45,512 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:59:45,514 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:59:45,694 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-12-05 23:59:45,694 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:59:45,741 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:59:45,741 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:59:45,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:59:45 BoogieIcfgContainer [2024-12-05 23:59:45,742 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:59:45,742 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:59:45,742 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:59:45,751 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:59:45,751 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:59:45,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:45,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2024-12-05 23:59:45,808 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2024-12-05 23:59:45,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:59:45,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:45,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:46,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:46,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:46,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-12-05 23:59:46,091 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-12-05 23:59:46,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:59:46,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:46,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:46,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:59:46,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:46,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2024-12-05 23:59:46,269 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2024-12-05 23:59:46,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:59:46,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:46,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:46,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:59:46,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:46,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2024-12-05 23:59:46,462 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2024-12-05 23:59:46,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 23:59:46,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:46,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:46,559 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:59:46,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:46,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2024-12-05 23:59:46,584 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2024-12-05 23:59:46,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 23:59:46,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:46,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:46,685 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:59:46,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:46,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 23 states and 26 transitions. [2024-12-05 23:59:46,750 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-12-05 23:59:46,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 23:59:46,751 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-12-05 23:59:46,758 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 23:59:46,788 INFO L77 FloydHoareUtils]: At program point kfreeEXIT(lines 50 53) the Hoare annotation is: true [2024-12-05 23:59:46,789 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 50 53) the Hoare annotation is: true [2024-12-05 23:59:46,789 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 48) the Hoare annotation is: true [2024-12-05 23:59:46,789 INFO L77 FloydHoareUtils]: At program point kzallocEXIT(line 48) the Hoare annotation is: (not (= |kzalloc_#res#1.base| 0)) [2024-12-05 23:59:46,789 INFO L77 FloydHoareUtils]: At program point L85(line 85) the Hoare annotation is: true [2024-12-05 23:59:46,789 INFO L77 FloydHoareUtils]: At program point L85-1(line 85) the Hoare annotation is: (not (= |ULTIMATE.start_ebda_rsrc_controller_#t~ret9#1.base| 0)) [2024-12-05 23:59:46,789 INFO L77 FloydHoareUtils]: At program point L135(lines 135 139) the Hoare annotation is: true [2024-12-05 23:59:46,789 INFO L77 FloydHoareUtils]: At program point L127(line 127) the Hoare annotation is: true [2024-12-05 23:59:46,789 INFO L77 FloydHoareUtils]: At program point L127-1(lines 72 133) the Hoare annotation is: true [2024-12-05 23:59:46,789 INFO L77 FloydHoareUtils]: At program point ebda_rsrc_controller_returnLabel#1(lines 72 133) the Hoare annotation is: true [2024-12-05 23:59:46,789 INFO L77 FloydHoareUtils]: At program point L57(line 57) the Hoare annotation is: true [2024-12-05 23:59:46,790 INFO L77 FloydHoareUtils]: At program point L57-1(line 57) the Hoare annotation is: (not (= |ULTIMATE.start_ibmphp_find_same_bus_num_#t~ret5#1.base| 0)) [2024-12-05 23:59:46,790 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) the Hoare annotation is: true [2024-12-05 23:59:46,790 INFO L77 FloydHoareUtils]: At program point L78(line 78) the Hoare annotation is: true [2024-12-05 23:59:46,790 INFO L77 FloydHoareUtils]: At program point L78-1(line 78) the Hoare annotation is: (not (= |ULTIMATE.start_ebda_rsrc_controller_#t~ret8#1.base| 0)) [2024-12-05 23:59:46,790 INFO L77 FloydHoareUtils]: At program point L8(line 8) the Hoare annotation is: true [2024-12-05 23:59:46,790 INFO L75 FloydHoareUtils]: For program point L103(line 103) no Hoare annotation was computed. [2024-12-05 23:59:46,790 INFO L77 FloydHoareUtils]: At program point L103-1(line 103) the Hoare annotation is: true [2024-12-05 23:59:46,790 INFO L77 FloydHoareUtils]: At program point L99(lines 99 107) the Hoare annotation is: (not (= |ULTIMATE.start_ebda_rsrc_controller_~bus_info_ptr1~0#1.base| 0)) [2024-12-05 23:59:46,790 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 23:59:46,790 INFO L77 FloydHoareUtils]: At program point L87(lines 87 90) the Hoare annotation is: (not (= ~tmp_slot~0.base 0)) [2024-12-05 23:59:46,790 INFO L77 FloydHoareUtils]: At program point L79(lines 79 82) the Hoare annotation is: (not (= |ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0#1.base| 0)) [2024-12-05 23:59:46,791 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 23:59:46,791 INFO L77 FloydHoareUtils]: At program point L137(lines 137 138) the Hoare annotation is: true [2024-12-05 23:59:46,791 INFO L77 FloydHoareUtils]: At program point ebda_rsrc_controller_error#1(lines 126 127) the Hoare annotation is: true [2024-12-05 23:59:46,791 INFO L77 FloydHoareUtils]: At program point L121(lines 121 122) the Hoare annotation is: (= ~used_tmp_slot~0 1) [2024-12-05 23:59:46,791 INFO L77 FloydHoareUtils]: At program point L117(lines 117 118) the Hoare annotation is: (= ~used_tmp_slot~0 1) [2024-12-05 23:59:46,791 INFO L77 FloydHoareUtils]: At program point L138(line 138) the Hoare annotation is: true [2024-12-05 23:59:46,799 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~ret5!base [2024-12-05 23:59:46,800 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~bus_info_ptr1~0!base [2024-12-05 23:59:46,806 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!base [2024-12-05 23:59:46,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:59:46 ImpRootNode [2024-12-05 23:59:46,807 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:59:46,808 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:59:46,808 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:59:46,808 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:59:46,808 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:59:45" (3/4) ... [2024-12-05 23:59:46,810 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 23:59:46,812 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-12-05 23:59:46,812 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-12-05 23:59:46,816 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-12-05 23:59:46,816 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-05 23:59:46,817 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 23:59:46,817 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 23:59:46,874 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132151e5-0d8f-47d5-9e3d-7e86ee284d27/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:59:46,874 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132151e5-0d8f-47d5-9e3d-7e86ee284d27/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:59:46,874 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:59:46,875 INFO L158 Benchmark]: Toolchain (without parser) took 1793.00ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 51.0MB in the end (delta: 65.6MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2024-12-05 23:59:46,875 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:59:46,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.46ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 105.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:59:46,876 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.61ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 103.5MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:59:46,876 INFO L158 Benchmark]: Boogie Preprocessor took 25.35ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:59:46,877 INFO L158 Benchmark]: RCFGBuilder took 370.08ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 83.5MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:59:46,877 INFO L158 Benchmark]: CodeCheck took 1064.76ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 56.2MB in the end (delta: 27.3MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-12-05 23:59:46,877 INFO L158 Benchmark]: Witness Printer took 66.81ms. Allocated memory is still 142.6MB. Free memory was 56.2MB in the beginning and 51.0MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:59:46,879 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, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 252 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 181 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 149 IncrementalHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 143 mSDtfsCounter, 149 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 685 GetRequests, 669 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 146 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 22/22 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: 8]: 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 - InvariantResult [Line: 117]: Location Invariant Derived location invariant: (used_tmp_slot == 1) - ProcedureContractResult [Line: 50]: Procedure Contract for kfree Derived contract for procedure kfree. Ensures: ((tmp_slot == \old(tmp_slot)) && (used_tmp_slot == \old(used_tmp_slot))) - ProcedureContractResult [Line: 48]: Procedure Contract for kzalloc Derived contract for procedure kzalloc. Ensures: (((tmp_slot == \old(tmp_slot)) && (used_tmp_slot == \old(used_tmp_slot))) && (freed_tmp_slot == \old(freed_tmp_slot))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.46ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 105.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.61ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 103.5MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.35ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 370.08ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 83.5MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1064.76ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 56.2MB in the end (delta: 27.3MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Witness Printer took 66.81ms. Allocated memory is still 142.6MB. Free memory was 56.2MB in the beginning and 51.0MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~ret5!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~bus_info_ptr1~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #res!base RESULT: Ultimate proved your program to be correct! [2024-12-05 23:59:46,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132151e5-0d8f-47d5-9e3d-7e86ee284d27/bin/ukojak-verify-CZk0znPC7b/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