./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive_abstracted.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_2cae64a1-9ae9-4970-ba81-3e426f7b1955/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cae64a1-9ae9-4970-ba81-3e426f7b1955/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cae64a1-9ae9-4970-ba81-3e426f7b1955/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cae64a1-9ae9-4970-ba81-3e426f7b1955/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive_abstracted.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cae64a1-9ae9-4970-ba81-3e426f7b1955/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cae64a1-9ae9-4970-ba81-3e426f7b1955/bin/ukojak-verify-afCqCEvfdi --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 95b5179edb030463668b341d624243529de83b4afda6c4d2e0bf3bc1cb57b210 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:31,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:31,480 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cae64a1-9ae9-4970-ba81-3e426f7b1955/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:55:31,487 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:55:31,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:55:31,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:31,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:55:31,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:55:31,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:31,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:31,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:31,536 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:31,536 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:55:31,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:55:31,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:55:31,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:31,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:31,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:31,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:31,541 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:55:31,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:31,542 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:31,542 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:31,543 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:31,543 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:31,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:31,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:31,545 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:31,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:31,546 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:55:31,547 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:55:31,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:55:31,548 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:55:31,548 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_2cae64a1-9ae9-4970-ba81-3e426f7b1955/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cae64a1-9ae9-4970-ba81-3e426f7b1955/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95b5179edb030463668b341d624243529de83b4afda6c4d2e0bf3bc1cb57b210 [2023-11-24 22:55:31,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:31,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:31,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:31,871 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:31,872 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:31,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cae64a1-9ae9-4970-ba81-3e426f7b1955/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive_abstracted.i [2023-11-24 22:55:35,095 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:35,296 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:35,296 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cae64a1-9ae9-4970-ba81-3e426f7b1955/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive_abstracted.i [2023-11-24 22:55:35,304 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cae64a1-9ae9-4970-ba81-3e426f7b1955/bin/ukojak-verify-afCqCEvfdi/data/d4c8a082e/6747a4e4363747ad8dbae6d818935d63/FLAG289d9b649 [2023-11-24 22:55:35,319 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cae64a1-9ae9-4970-ba81-3e426f7b1955/bin/ukojak-verify-afCqCEvfdi/data/d4c8a082e/6747a4e4363747ad8dbae6d818935d63 [2023-11-24 22:55:35,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:35,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:35,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:35,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:35,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:35,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a64c9c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35, skipping insertion in model container [2023-11-24 22:55:35,339 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,362 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:35,581 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_2cae64a1-9ae9-4970-ba81-3e426f7b1955/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive_abstracted.i[909,922] [2023-11-24 22:55:35,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:35,623 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:35,636 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_2cae64a1-9ae9-4970-ba81-3e426f7b1955/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive_abstracted.i[909,922] [2023-11-24 22:55:35,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:35,669 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:35,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35 WrapperNode [2023-11-24 22:55:35,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:35,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:35,672 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:35,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:35,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,724 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2023-11-24 22:55:35,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:35,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:35,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:35,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:35,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,754 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,759 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:35,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:35,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:35,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:35,774 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:35,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cae64a1-9ae9-4970-ba81-3e426f7b1955/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:35,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cae64a1-9ae9-4970-ba81-3e426f7b1955/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:35,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cae64a1-9ae9-4970-ba81-3e426f7b1955/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:35,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:35,947 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:35,950 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:36,201 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:36,395 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:36,395 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:55:36,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:36 BoogieIcfgContainer [2023-11-24 22:55:36,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:36,399 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:36,399 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:36,411 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:36,411 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:36" (1/1) ... [2023-11-24 22:55:36,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:36,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:36,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-11-24 22:55:36,479 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-11-24 22:55:36,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:55:36,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:36,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:37,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:37,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:37,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-24 22:55:37,571 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-24 22:55:37,571 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:55:37,571 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-24 22:55:37,582 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 22:55:37,592 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:55:37,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:55:37 ImpRootNode [2023-11-24 22:55:37,596 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:55:37,597 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:55:37,597 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:55:37,598 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:55:37,599 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:36" (3/4) ... [2023-11-24 22:55:37,602 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:55:37,614 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-24 22:55:37,615 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-24 22:55:37,616 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:55:37,616 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:55:37,742 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cae64a1-9ae9-4970-ba81-3e426f7b1955/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:55:37,743 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cae64a1-9ae9-4970-ba81-3e426f7b1955/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:55:37,743 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:55:37,744 INFO L158 Benchmark]: Toolchain (without parser) took 2420.59ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 74.4MB in the beginning and 89.0MB in the end (delta: -14.6MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-11-24 22:55:37,744 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:37,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.69ms. Allocated memory is still 119.5MB. Free memory was 74.0MB in the beginning and 63.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:55:37,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.90ms. Allocated memory is still 119.5MB. Free memory was 63.5MB in the beginning and 61.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:37,745 INFO L158 Benchmark]: Boogie Preprocessor took 35.78ms. Allocated memory is still 119.5MB. Free memory was 61.4MB in the beginning and 60.6MB in the end (delta: 812.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:37,746 INFO L158 Benchmark]: RCFGBuilder took 635.34ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 60.3MB in the beginning and 101.5MB in the end (delta: -41.2MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-24 22:55:37,746 INFO L158 Benchmark]: CodeCheck took 1197.98ms. Allocated memory is still 144.7MB. Free memory was 101.5MB in the beginning and 94.2MB in the end (delta: 7.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:37,747 INFO L158 Benchmark]: Witness Printer took 145.81ms. Allocated memory is still 144.7MB. Free memory was 94.2MB in the beginning and 89.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:55:37,749 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 2 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 17]: 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: 20]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.69ms. Allocated memory is still 119.5MB. Free memory was 74.0MB in the beginning and 63.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.90ms. Allocated memory is still 119.5MB. Free memory was 63.5MB in the beginning and 61.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.78ms. Allocated memory is still 119.5MB. Free memory was 61.4MB in the beginning and 60.6MB in the end (delta: 812.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 635.34ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 60.3MB in the beginning and 101.5MB in the end (delta: -41.2MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * CodeCheck took 1197.98ms. Allocated memory is still 144.7MB. Free memory was 101.5MB in the beginning and 94.2MB in the end (delta: 7.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Witness Printer took 145.81ms. Allocated memory is still 144.7MB. Free memory was 94.2MB in the beginning and 89.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:55:37,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cae64a1-9ae9-4970-ba81-3e426f7b1955/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE