./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-92.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe41cd0-a480-4bd9-8971-3b2011ea66e5/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe41cd0-a480-4bd9-8971-3b2011ea66e5/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_fbe41cd0-a480-4bd9-8971-3b2011ea66e5/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe41cd0-a480-4bd9-8971-3b2011ea66e5/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-92.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe41cd0-a480-4bd9-8971-3b2011ea66e5/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_fbe41cd0-a480-4bd9-8971-3b2011ea66e5/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 a2d7ec62f25a34cf5027fbfb72852316d19da9a92ce648f9721cd65c436423bb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:07:21,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:07:21,721 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe41cd0-a480-4bd9-8971-3b2011ea66e5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:07:21,728 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:07:21,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:07:21,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:07:21,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:07:21,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:07:21,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:07:21,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:07:21,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:07:21,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:07:21,765 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:07:21,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:07:21,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:07:21,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:07:21,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:07:21,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:07:21,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:07:21,770 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:07:21,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:07:21,771 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:07:21,772 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:07:21,773 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:07:21,773 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:07:21,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:07:21,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:21,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:07:21,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:07:21,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:07:21,777 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:07:21,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:07:21,778 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:07:21,778 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_fbe41cd0-a480-4bd9-8971-3b2011ea66e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe41cd0-a480-4bd9-8971-3b2011ea66e5/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2d7ec62f25a34cf5027fbfb72852316d19da9a92ce648f9721cd65c436423bb [2023-11-24 23:07:22,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:07:22,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:07:22,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:07:22,122 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:07:22,122 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:07:22,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe41cd0-a480-4bd9-8971-3b2011ea66e5/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-92.i [2023-11-24 23:07:25,184 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:07:25,403 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:07:25,403 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe41cd0-a480-4bd9-8971-3b2011ea66e5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-92.i [2023-11-24 23:07:25,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe41cd0-a480-4bd9-8971-3b2011ea66e5/bin/ukojak-verify-afCqCEvfdi/data/f526ea7a2/cb8d8478fbb742ffaaf68298ef408dc1/FLAGf45dc9d2c [2023-11-24 23:07:25,431 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe41cd0-a480-4bd9-8971-3b2011ea66e5/bin/ukojak-verify-afCqCEvfdi/data/f526ea7a2/cb8d8478fbb742ffaaf68298ef408dc1 [2023-11-24 23:07:25,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:07:25,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:07:25,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:25,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:07:25,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:07:25,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:25" (1/1) ... [2023-11-24 23:07:25,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a20d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:25, skipping insertion in model container [2023-11-24 23:07:25,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:25" (1/1) ... [2023-11-24 23:07:25,472 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:07:25,662 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_fbe41cd0-a480-4bd9-8971-3b2011ea66e5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-92.i[915,928] [2023-11-24 23:07:25,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:25,706 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:07:25,729 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_fbe41cd0-a480-4bd9-8971-3b2011ea66e5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-92.i[915,928] [2023-11-24 23:07:25,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:25,763 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:07:25,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:25 WrapperNode [2023-11-24 23:07:25,764 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:25,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:25,766 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:07:25,766 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:07:25,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:25" (1/1) ... [2023-11-24 23:07:25,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:25" (1/1) ... [2023-11-24 23:07:25,814 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 72 [2023-11-24 23:07:25,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:25,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:07:25,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:07:25,816 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:07:25,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:25" (1/1) ... [2023-11-24 23:07:25,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:25" (1/1) ... [2023-11-24 23:07:25,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:25" (1/1) ... [2023-11-24 23:07:25,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:25" (1/1) ... [2023-11-24 23:07:25,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:25" (1/1) ... [2023-11-24 23:07:25,846 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:25" (1/1) ... [2023-11-24 23:07:25,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:25" (1/1) ... [2023-11-24 23:07:25,849 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:25" (1/1) ... [2023-11-24 23:07:25,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:07:25,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:07:25,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:07:25,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:07:25,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:25" (1/1) ... [2023-11-24 23:07:25,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:25,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe41cd0-a480-4bd9-8971-3b2011ea66e5/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:07:25,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe41cd0-a480-4bd9-8971-3b2011ea66e5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:07:25,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe41cd0-a480-4bd9-8971-3b2011ea66e5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:07:25,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:07:25,947 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:07:25,947 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:07:25,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:07:25,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:07:25,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:07:26,019 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:07:26,021 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:07:26,275 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:07:26,381 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:07:26,381 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:07:26,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:26 BoogieIcfgContainer [2023-11-24 23:07:26,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:07:26,385 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:07:26,385 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:07:26,397 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:07:26,397 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:26" (1/1) ... [2023-11-24 23:07:26,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:07:26,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:26,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-24 23:07:26,478 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-24 23:07:26,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:07:26,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:26,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:26,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-24 23:07:26,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:33,125 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 64 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 23:07:33,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:33,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 21 states and 30 transitions. [2023-11-24 23:07:33,505 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2023-11-24 23:07:33,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:07:33,506 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-24 23:07:33,516 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 23:07:33,536 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:07:33,540 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:07:33,540 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:07:33,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:07:33 ImpRootNode [2023-11-24 23:07:33,541 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:07:33,542 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:07:33,542 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:07:33,542 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:07:33,543 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:26" (3/4) ... [2023-11-24 23:07:33,545 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:07:33,548 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-24 23:07:33,554 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-24 23:07:33,554 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-24 23:07:33,555 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:07:33,555 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:07:33,650 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe41cd0-a480-4bd9-8971-3b2011ea66e5/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:07:33,651 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe41cd0-a480-4bd9-8971-3b2011ea66e5/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:07:33,651 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:07:33,652 INFO L158 Benchmark]: Toolchain (without parser) took 8217.26ms. Allocated memory was 132.1MB in the beginning and 270.5MB in the end (delta: 138.4MB). Free memory was 86.8MB in the beginning and 117.8MB in the end (delta: -31.0MB). Peak memory consumption was 108.9MB. Max. memory is 16.1GB. [2023-11-24 23:07:33,653 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:33,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.01ms. Allocated memory is still 132.1MB. Free memory was 86.8MB in the beginning and 75.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:07:33,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.18ms. Allocated memory is still 132.1MB. Free memory was 75.3MB in the beginning and 73.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:07:33,654 INFO L158 Benchmark]: Boogie Preprocessor took 36.96ms. Allocated memory is still 132.1MB. Free memory was 73.3MB in the beginning and 71.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:33,655 INFO L158 Benchmark]: RCFGBuilder took 530.43ms. Allocated memory was 132.1MB in the beginning and 186.6MB in the end (delta: 54.5MB). Free memory was 71.8MB in the beginning and 149.3MB in the end (delta: -77.6MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-11-24 23:07:33,655 INFO L158 Benchmark]: CodeCheck took 7156.28ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 149.3MB in the beginning and 122.9MB in the end (delta: 26.4MB). Peak memory consumption was 110.0MB. Max. memory is 16.1GB. [2023-11-24 23:07:33,656 INFO L158 Benchmark]: Witness Printer took 109.99ms. Allocated memory is still 270.5MB. Free memory was 122.9MB in the beginning and 117.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:07:33,658 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, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 53 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 29 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 268 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 266 SizeOfPredicates, 15 NumberOfNonLiveVariables, 138 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 80/90 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: 19]: 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: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.01ms. Allocated memory is still 132.1MB. Free memory was 86.8MB in the beginning and 75.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.18ms. Allocated memory is still 132.1MB. Free memory was 75.3MB in the beginning and 73.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.96ms. Allocated memory is still 132.1MB. Free memory was 73.3MB in the beginning and 71.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 530.43ms. Allocated memory was 132.1MB in the beginning and 186.6MB in the end (delta: 54.5MB). Free memory was 71.8MB in the beginning and 149.3MB in the end (delta: -77.6MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * CodeCheck took 7156.28ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 149.3MB in the beginning and 122.9MB in the end (delta: 26.4MB). Peak memory consumption was 110.0MB. Max. memory is 16.1GB. * Witness Printer took 109.99ms. Allocated memory is still 270.5MB. Free memory was 122.9MB in the beginning and 117.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:07:33,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe41cd0-a480-4bd9-8971-3b2011ea66e5/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