./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9064774b-93f2-4214-a7e9-a8f2ebc18498/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9064774b-93f2-4214-a7e9-a8f2ebc18498/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9064774b-93f2-4214-a7e9-a8f2ebc18498/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9064774b-93f2-4214-a7e9-a8f2ebc18498/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9064774b-93f2-4214-a7e9-a8f2ebc18498/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9064774b-93f2-4214-a7e9-a8f2ebc18498/bin/ukojak-verify-Qdu7aM0XO9 --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 18e93ea431e83188bc36b5e920f02065de4d876f2ec76df16cf4e34ae99f6b21 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:41:39,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:41:39,422 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9064774b-93f2-4214-a7e9-a8f2ebc18498/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:41:39,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:41:39,427 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:41:39,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:41:39,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:41:39,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:41:39,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:41:39,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:41:39,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:41:39,455 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:41:39,455 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:41:39,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:41:39,456 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:41:39,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:41:39,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:41:39,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:41:39,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:41:39,459 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:41:39,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:41:39,464 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:41:39,465 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:41:39,465 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:41:39,465 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:41:39,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:41:39,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:41:39,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:41:39,467 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:41:39,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:41:39,468 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:41:39,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:41:39,468 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:41:39,469 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_9064774b-93f2-4214-a7e9-a8f2ebc18498/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9064774b-93f2-4214-a7e9-a8f2ebc18498/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18e93ea431e83188bc36b5e920f02065de4d876f2ec76df16cf4e34ae99f6b21 [2023-12-02 23:41:39,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:41:39,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:41:39,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:41:39,720 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:41:39,721 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:41:39,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9064774b-93f2-4214-a7e9-a8f2ebc18498/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast_2.i [2023-12-02 23:41:42,493 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:41:42,713 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:41:42,714 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9064774b-93f2-4214-a7e9-a8f2ebc18498/sv-benchmarks/c/ldv-regression/rule57_ebda_blast_2.i [2023-12-02 23:41:42,722 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9064774b-93f2-4214-a7e9-a8f2ebc18498/bin/ukojak-verify-Qdu7aM0XO9/data/8e3bab9a4/82c11637e07747059f8a71b24948a10f/FLAG51dd819db [2023-12-02 23:41:42,738 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9064774b-93f2-4214-a7e9-a8f2ebc18498/bin/ukojak-verify-Qdu7aM0XO9/data/8e3bab9a4/82c11637e07747059f8a71b24948a10f [2023-12-02 23:41:42,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:41:42,742 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:41:42,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:41:42,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:41:42,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:41:42,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:41:42" (1/1) ... [2023-12-02 23:41:42,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bbb7c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:42, skipping insertion in model container [2023-12-02 23:41:42,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:41:42" (1/1) ... [2023-12-02 23:41:42,778 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:41:42,929 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_9064774b-93f2-4214-a7e9-a8f2ebc18498/sv-benchmarks/c/ldv-regression/rule57_ebda_blast_2.i[341,354] [2023-12-02 23:41:42,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:41:42,983 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:41:42,996 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_9064774b-93f2-4214-a7e9-a8f2ebc18498/sv-benchmarks/c/ldv-regression/rule57_ebda_blast_2.i[341,354] [2023-12-02 23:41:43,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:41:43,025 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:41:43,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:43 WrapperNode [2023-12-02 23:41:43,025 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:41:43,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:41:43,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:41:43,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:41:43,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:43" (1/1) ... [2023-12-02 23:41:43,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:43" (1/1) ... [2023-12-02 23:41:43,068 INFO L138 Inliner]: procedures = 24, calls = 25, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 107 [2023-12-02 23:41:43,069 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:41:43,069 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:41:43,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:41:43,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:41:43,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:43" (1/1) ... [2023-12-02 23:41:43,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:43" (1/1) ... [2023-12-02 23:41:43,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:43" (1/1) ... [2023-12-02 23:41:43,083 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:43" (1/1) ... [2023-12-02 23:41:43,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:43" (1/1) ... [2023-12-02 23:41:43,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:43" (1/1) ... [2023-12-02 23:41:43,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:43" (1/1) ... [2023-12-02 23:41:43,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:43" (1/1) ... [2023-12-02 23:41:43,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:41:43,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:41:43,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:41:43,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:41:43,100 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:43" (1/1) ... [2023-12-02 23:41:43,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:41:43,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9064774b-93f2-4214-a7e9-a8f2ebc18498/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:41:43,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9064774b-93f2-4214-a7e9-a8f2ebc18498/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:41:43,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9064774b-93f2-4214-a7e9-a8f2ebc18498/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:41:43,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:41:43,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:41:43,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:41:43,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:41:43,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:41:43,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:41:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-12-02 23:41:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-12-02 23:41:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:41:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:41:43,254 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:41:43,256 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:41:43,442 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:41:43,498 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:41:43,499 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:41:43,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:41:43 BoogieIcfgContainer [2023-12-02 23:41:43,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:41:43,502 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:41:43,502 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:41:43,509 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:41:43,510 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:41:43" (1/1) ... [2023-12-02 23:41:43,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:41:43,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:43,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2023-12-02 23:41:43,575 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2023-12-02 23:41:43,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:41:43,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:43,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:43,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:41:43,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:43,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2023-12-02 23:41:43,911 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-12-02 23:41:43,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:41:43,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:43,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:44,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:41:44,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:44,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2023-12-02 23:41:44,097 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2023-12-02 23:41:44,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:41:44,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:44,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:41:44,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:41:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:41:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:41:44,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:41:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:41:44,323 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-02 23:41:44,349 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret9 [2023-12-02 23:41:44,351 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret10 [2023-12-02 23:41:44,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:41:44 ImpRootNode [2023-12-02 23:41:44,357 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:41:44,358 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:41:44,358 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:41:44,358 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:41:44,359 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:41:43" (3/4) ... [2023-12-02 23:41:44,360 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-02 23:41:44,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret9 [2023-12-02 23:41:44,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret10 [2023-12-02 23:41:44,413 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9064774b-93f2-4214-a7e9-a8f2ebc18498/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:41:44,414 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:41:44,414 INFO L158 Benchmark]: Toolchain (without parser) took 1672.12ms. Allocated memory is still 146.8MB. Free memory was 113.8MB in the beginning and 71.5MB in the end (delta: 42.3MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2023-12-02 23:41:44,415 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:41:44,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.92ms. Allocated memory is still 146.8MB. Free memory was 113.4MB in the beginning and 102.1MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:41:44,416 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.20ms. Allocated memory is still 146.8MB. Free memory was 102.1MB in the beginning and 100.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:41:44,416 INFO L158 Benchmark]: Boogie Preprocessor took 28.62ms. Allocated memory is still 146.8MB. Free memory was 100.3MB in the beginning and 98.7MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:41:44,417 INFO L158 Benchmark]: RCFGBuilder took 401.92ms. Allocated memory is still 146.8MB. Free memory was 98.7MB in the beginning and 81.1MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 23:41:44,417 INFO L158 Benchmark]: CodeCheck took 855.82ms. Allocated memory is still 146.8MB. Free memory was 81.1MB in the beginning and 74.3MB in the end (delta: 6.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2023-12-02 23:41:44,417 INFO L158 Benchmark]: Witness Printer took 55.83ms. Allocated memory is still 146.8MB. Free memory was 74.3MB in the beginning and 71.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:41:44,420 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 2 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 38 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 43 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 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 - CounterExampleResult [Line: 9]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L42] struct slot *tmp_slot; [L43] int used_tmp_slot = 0; [L44] int freed_tmp_slot = 1; [L138] CALL ebda_rsrc_controller() [L75] struct hotplug_slot *hp_slot_ptr; [L77] struct bus_info *bus_info_ptr1; [L78] int rc; VAL [freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L80] CALL, EXPR kzalloc(sizeof(*hp_slot_ptr), 1) VAL [freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L49] EXPR, FCALL calloc(1, size) [L49] return calloc(1, size); [L80] RET, EXPR kzalloc(sizeof(*hp_slot_ptr), 1) VAL [freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L80] hp_slot_ptr = kzalloc(sizeof(*hp_slot_ptr), 1) [L81] COND FALSE !(!hp_slot_ptr) [L85] hp_slot_ptr->b = 5 VAL [freed_tmp_slot=1, hp_slot_ptr={31892:0}, tmp_slot={0:0}, used_tmp_slot=0] [L87] CALL, EXPR kzalloc(sizeof(*tmp_slot), 1) VAL [freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L49] EXPR, FCALL calloc(1, size) [L49] return calloc(1, size); [L87] RET, EXPR kzalloc(sizeof(*tmp_slot), 1) VAL [freed_tmp_slot=1, hp_slot_ptr={31892:0}, tmp_slot={0:0}, used_tmp_slot=0] [L87] tmp_slot = kzalloc(sizeof(*tmp_slot), 1) [L89] COND FALSE !(!tmp_slot) [L94] used_tmp_slot = 0 [L95] freed_tmp_slot = 0 [L97] tmp_slot->a = 2 [L98] tmp_slot->b = 3 [L100] CALL, EXPR ibmphp_find_same_bus_num() [L58] COND TRUE __VERIFIER_nondet_int() [L59] return 0; VAL [\result={0:0}, freed_tmp_slot=0, tmp_slot={-1:0}, used_tmp_slot=0] [L100] RET, EXPR ibmphp_find_same_bus_num() [L100] bus_info_ptr1 = ibmphp_find_same_bus_num() [L101] COND TRUE !bus_info_ptr1 [L102] rc = -3 VAL [bus_info_ptr1={0:0}, freed_tmp_slot=0, hp_slot_ptr={31892:0}, rc=-3, tmp_slot={-1:0}, used_tmp_slot=0] [L129] EXPR hp_slot_ptr->private [L129] CALL kfree(hp_slot_ptr->private) [L52] COND FALSE !(p!=0 && p==tmp_slot) [L129] RET kfree(hp_slot_ptr->private) [L134] return rc; VAL [\result=-3, bus_info_ptr1={0:0}, freed_tmp_slot=0, hp_slot_ptr={31892:0}, rc=-3, tmp_slot={-1:0}, used_tmp_slot=0] [L138] RET ebda_rsrc_controller() [L139] COND TRUE !used_tmp_slot VAL [freed_tmp_slot=0, tmp_slot={-1:0}, used_tmp_slot=0] [L140] (freed_tmp_slot) ? (0) : __blast_assert () [L140] CALL __blast_assert () [L9] reach_error() VAL [freed_tmp_slot=0, tmp_slot={-1:0}, used_tmp_slot=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.92ms. Allocated memory is still 146.8MB. Free memory was 113.4MB in the beginning and 102.1MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.20ms. Allocated memory is still 146.8MB. Free memory was 102.1MB in the beginning and 100.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.62ms. Allocated memory is still 146.8MB. Free memory was 100.3MB in the beginning and 98.7MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 401.92ms. Allocated memory is still 146.8MB. Free memory was 98.7MB in the beginning and 81.1MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 855.82ms. Allocated memory is still 146.8MB. Free memory was 81.1MB in the beginning and 74.3MB in the end (delta: 6.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Witness Printer took 55.83ms. Allocated memory is still 146.8MB. Free memory was 74.3MB in the beginning and 71.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret9 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret10 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret9 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret10 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-12-02 23:41:44,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9064774b-93f2-4214-a7e9-a8f2ebc18498/bin/ukojak-verify-Qdu7aM0XO9/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE