./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.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_201bb597-2954-44f8-a203-c46eb5a4dcb2/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201bb597-2954-44f8-a203-c46eb5a4dcb2/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_201bb597-2954-44f8-a203-c46eb5a4dcb2/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201bb597-2954-44f8-a203-c46eb5a4dcb2/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201bb597-2954-44f8-a203-c46eb5a4dcb2/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_201bb597-2954-44f8-a203-c46eb5a4dcb2/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 87a050a9ba88ec48bac6e38316d21dd54013b685d199047e34008aa0aba79e8c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:20:23,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:20:23,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201bb597-2954-44f8-a203-c46eb5a4dcb2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:20:23,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:20:23,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:20:23,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:20:23,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:20:23,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:20:23,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:20:23,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:20:23,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:20:23,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:20:23,376 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:20:23,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:20:23,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:20:23,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:20:23,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:20:23,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:20:23,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:20:23,377 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:20:23,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:20:23,377 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:20:23,377 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:20:23,377 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:20:23,377 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:20:23,378 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:20:23,378 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:20:23,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:20:23,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:20:23,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:20:23,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:20:23,379 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:20:23,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:20:23,379 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_201bb597-2954-44f8-a203-c46eb5a4dcb2/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 -> 87a050a9ba88ec48bac6e38316d21dd54013b685d199047e34008aa0aba79e8c [2024-11-25 05:20:23,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:20:23,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:20:23,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:20:23,715 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:20:23,715 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:20:23,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201bb597-2954-44f8-a203-c46eb5a4dcb2/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i [2024-11-25 05:20:26,804 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201bb597-2954-44f8-a203-c46eb5a4dcb2/bin/ukojak-verify-ENZ3QT5qd3/data/bd1d263bb/c183d6be101f4c9a9e49b172063762bc/FLAGb27909923 [2024-11-25 05:20:27,136 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:20:27,139 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201bb597-2954-44f8-a203-c46eb5a4dcb2/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i [2024-11-25 05:20:27,150 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201bb597-2954-44f8-a203-c46eb5a4dcb2/bin/ukojak-verify-ENZ3QT5qd3/data/bd1d263bb/c183d6be101f4c9a9e49b172063762bc/FLAGb27909923 [2024-11-25 05:20:27,173 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201bb597-2954-44f8-a203-c46eb5a4dcb2/bin/ukojak-verify-ENZ3QT5qd3/data/bd1d263bb/c183d6be101f4c9a9e49b172063762bc [2024-11-25 05:20:27,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:20:27,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:20:27,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:20:27,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:20:27,190 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:20:27,191 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:20:27" (1/1) ... [2024-11-25 05:20:27,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5906a212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:27, skipping insertion in model container [2024-11-25 05:20:27,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:20:27" (1/1) ... [2024-11-25 05:20:27,215 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:20:27,385 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_201bb597-2954-44f8-a203-c46eb5a4dcb2/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i[299,312] [2024-11-25 05:20:27,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:20:27,449 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:20:27,460 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_201bb597-2954-44f8-a203-c46eb5a4dcb2/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i[299,312] [2024-11-25 05:20:27,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:20:27,493 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:20:27,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:27 WrapperNode [2024-11-25 05:20:27,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:20:27,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:20:27,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:20:27,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:20:27,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:27" (1/1) ... [2024-11-25 05:20:27,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:27" (1/1) ... [2024-11-25 05:20:27,542 INFO L138 Inliner]: procedures = 24, calls = 25, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 104 [2024-11-25 05:20:27,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:20:27,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:20:27,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:20:27,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:20:27,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:27" (1/1) ... [2024-11-25 05:20:27,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:27" (1/1) ... [2024-11-25 05:20:27,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:27" (1/1) ... [2024-11-25 05:20:27,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:27" (1/1) ... [2024-11-25 05:20:27,558 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:27" (1/1) ... [2024-11-25 05:20:27,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:27" (1/1) ... [2024-11-25 05:20:27,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:27" (1/1) ... [2024-11-25 05:20:27,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:27" (1/1) ... [2024-11-25 05:20:27,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:27" (1/1) ... [2024-11-25 05:20:27,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:20:27,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:20:27,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:20:27,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:20:27,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:27" (1/1) ... [2024-11-25 05:20:27,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:20:27,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201bb597-2954-44f8-a203-c46eb5a4dcb2/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:20:27,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201bb597-2954-44f8-a203-c46eb5a4dcb2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:20:27,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201bb597-2954-44f8-a203-c46eb5a4dcb2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:20:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-25 05:20:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:20:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:20:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-25 05:20:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 05:20:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 05:20:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-25 05:20:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-25 05:20:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:20:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:20:27,739 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:20:27,741 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:20:27,965 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-11-25 05:20:27,965 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:20:28,035 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:20:28,035 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:20:28,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:20:28 BoogieIcfgContainer [2024-11-25 05:20:28,036 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:20:28,037 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:20:28,037 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:20:28,049 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:20:28,050 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:20:28" (1/1) ... [2024-11-25 05:20:28,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:20:28,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:28,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-25 05:20:28,122 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-25 05:20:28,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:20:28,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:28,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:28,454 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 05:20:28,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:28,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-25 05:20:28,570 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-25 05:20:28,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 05:20:28,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:28,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:28,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 05:20:28,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:28,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2024-11-25 05:20:28,811 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-11-25 05:20:28,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 05:20:28,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:28,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:29,011 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 05:20:29,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:29,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-11-25 05:20:29,085 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-25 05:20:29,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 05:20:29,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:29,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:29,281 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 05:20:29,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:29,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2024-11-25 05:20:29,377 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-11-25 05:20:29,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:20:29,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:29,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:29,515 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 05:20:29,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:29,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-11-25 05:20:29,580 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-25 05:20:29,581 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 05:20:29,581 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-25 05:20:29,590 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 05:20:29,633 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 48) the Hoare annotation is: true [2024-11-25 05:20:29,633 INFO L77 FloydHoareUtils]: At program point kzallocEXIT(line 48) the Hoare annotation is: (not (= |kzalloc_#res#1.base| 0)) [2024-11-25 05:20:29,633 INFO L77 FloydHoareUtils]: At program point L85(line 85) the Hoare annotation is: true [2024-11-25 05:20:29,633 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)) [2024-11-25 05:20:29,633 INFO L77 FloydHoareUtils]: At program point L135(lines 135 139) the Hoare annotation is: true [2024-11-25 05:20:29,634 INFO L77 FloydHoareUtils]: At program point ebda_rsrc_controller_returnLabel#1(lines 72 133) the Hoare annotation is: (= ~used_tmp_slot~0 1) [2024-11-25 05:20:29,634 INFO L77 FloydHoareUtils]: At program point L57(line 57) the Hoare annotation is: true [2024-11-25 05:20:29,634 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)) [2024-11-25 05:20:29,634 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2024-11-25 05:20:29,634 INFO L77 FloydHoareUtils]: At program point L78(line 78) the Hoare annotation is: true [2024-11-25 05:20:29,634 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)) [2024-11-25 05:20:29,636 INFO L75 FloydHoareUtils]: For program point L8(line 8) no Hoare annotation was computed. [2024-11-25 05:20:29,636 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)) [2024-11-25 05:20:29,636 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 05:20:29,636 INFO L77 FloydHoareUtils]: At program point L128(lines 128 132) the Hoare annotation is: (= ~used_tmp_slot~0 1) [2024-11-25 05:20:29,636 INFO L77 FloydHoareUtils]: At program point L87(lines 87 90) the Hoare annotation is: (not (= ~tmp_slot~0.base 0)) [2024-11-25 05:20:29,636 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)) [2024-11-25 05:20:29,636 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 05:20:29,637 INFO L77 FloydHoareUtils]: At program point L137(lines 137 138) the Hoare annotation is: (= ~used_tmp_slot~0 1) [2024-11-25 05:20:29,637 INFO L77 FloydHoareUtils]: At program point ebda_rsrc_controller_error#1(lines 126 127) the Hoare annotation is: (= ~used_tmp_slot~0 1) [2024-11-25 05:20:29,637 INFO L77 FloydHoareUtils]: At program point L121(lines 121 122) the Hoare annotation is: (= ~used_tmp_slot~0 1) [2024-11-25 05:20:29,637 INFO L77 FloydHoareUtils]: At program point L117(lines 117 118) the Hoare annotation is: (= ~used_tmp_slot~0 1) [2024-11-25 05:20:29,637 INFO L75 FloydHoareUtils]: For program point L138(line 138) no Hoare annotation was computed. [2024-11-25 05:20:29,648 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~ret5!base [2024-11-25 05:20:29,649 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~bus_info_ptr1~0!base [2024-11-25 05:20:29,656 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!base [2024-11-25 05:20:29,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:20:29 ImpRootNode [2024-11-25 05:20:29,661 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:20:29,661 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:20:29,662 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:20:29,662 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:20:29,663 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:20:28" (3/4) ... [2024-11-25 05:20:29,665 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 05:20:29,669 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-11-25 05:20:29,674 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-25 05:20:29,676 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-25 05:20:29,676 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 05:20:29,676 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 05:20:29,775 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201bb597-2954-44f8-a203-c46eb5a4dcb2/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:20:29,775 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201bb597-2954-44f8-a203-c46eb5a4dcb2/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:20:29,775 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:20:29,778 INFO L158 Benchmark]: Toolchain (without parser) took 2596.33ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 82.3MB in the end (delta: 11.0MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-25 05:20:29,779 INFO L158 Benchmark]: CDTParser took 1.80ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:20:29,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.69ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.5MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:20:29,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.42ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.8MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:20:29,780 INFO L158 Benchmark]: Boogie Preprocessor took 22.31ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:20:29,781 INFO L158 Benchmark]: RCFGBuilder took 469.92ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 60.6MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:20:29,781 INFO L158 Benchmark]: CodeCheck took 1624.22ms. Allocated memory is still 117.4MB. Free memory was 60.6MB in the beginning and 87.7MB in the end (delta: -27.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:20:29,782 INFO L158 Benchmark]: Witness Printer took 113.77ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 82.3MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:20:29,784 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, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 227 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 146 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 159 IncrementalHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 122 mSDtfsCounter, 159 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 621 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 20/20 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: 128]: Location Invariant Derived location invariant: (used_tmp_slot == 1) - InvariantResult [Line: 117]: Location Invariant Derived location invariant: (used_tmp_slot == 1) - InvariantResult [Line: 126]: Location Invariant Derived location invariant: (used_tmp_slot == 1) - InvariantResult [Line: 72]: Location Invariant Derived location invariant: (used_tmp_slot == 1) - 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 1.80ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.69ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.5MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.42ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.8MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.31ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 469.92ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 60.6MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1624.22ms. Allocated memory is still 117.4MB. Free memory was 60.6MB in the beginning and 87.7MB in the end (delta: -27.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 113.77ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 82.3MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. 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! [2024-11-25 05:20:29,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201bb597-2954-44f8-a203-c46eb5a4dcb2/bin/ukojak-verify-ENZ3QT5qd3/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