./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/signextension-2.c --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_0958e728-bea0-4a75-a71a-79077326ec0e/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0958e728-bea0-4a75-a71a-79077326ec0e/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_0958e728-bea0-4a75-a71a-79077326ec0e/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0958e728-bea0-4a75-a71a-79077326ec0e/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector-regression/signextension-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0958e728-bea0-4a75-a71a-79077326ec0e/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_0958e728-bea0-4a75-a71a-79077326ec0e/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 5e58f0694a094c3d737443fe3a550f63fcfaab2957fdc6d589c71ff9c2d1a333 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:53:49,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:49,395 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0958e728-bea0-4a75-a71a-79077326ec0e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:53:49,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:53:49,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:53:49,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:49,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:53:49,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:53:49,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:49,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:49,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:49,455 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:53:49,456 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:53:49,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:53:49,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:53:49,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:49,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:53:49,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:49,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:53:49,461 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:53:49,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:53:49,462 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:49,463 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:49,463 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:49,464 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:49,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:49,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:49,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:49,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:49,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:53:49,468 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:53:49,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:53:49,468 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:53:49,469 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0958e728-bea0-4a75-a71a-79077326ec0e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0958e728-bea0-4a75-a71a-79077326ec0e/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e58f0694a094c3d737443fe3a550f63fcfaab2957fdc6d589c71ff9c2d1a333 [2023-11-24 22:53:49,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:49,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:49,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:49,851 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:49,852 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:49,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0958e728-bea0-4a75-a71a-79077326ec0e/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/bitvector-regression/signextension-2.c [2023-11-24 22:53:52,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:53,170 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:53,171 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0958e728-bea0-4a75-a71a-79077326ec0e/sv-benchmarks/c/bitvector-regression/signextension-2.c [2023-11-24 22:53:53,180 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0958e728-bea0-4a75-a71a-79077326ec0e/bin/ukojak-verify-afCqCEvfdi/data/c390402c0/bf5b0888ab874671b82db85fd2fb66c7/FLAGbda3754a9 [2023-11-24 22:53:53,199 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0958e728-bea0-4a75-a71a-79077326ec0e/bin/ukojak-verify-afCqCEvfdi/data/c390402c0/bf5b0888ab874671b82db85fd2fb66c7 [2023-11-24 22:53:53,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:53,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:53,209 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:53,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:53,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:53,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:53" (1/1) ... [2023-11-24 22:53:53,217 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31527c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:53, skipping insertion in model container [2023-11-24 22:53:53,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:53" (1/1) ... [2023-11-24 22:53:53,241 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:53,444 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_0958e728-bea0-4a75-a71a-79077326ec0e/sv-benchmarks/c/bitvector-regression/signextension-2.c[922,935] [2023-11-24 22:53:53,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:53,465 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:53,480 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_0958e728-bea0-4a75-a71a-79077326ec0e/sv-benchmarks/c/bitvector-regression/signextension-2.c[922,935] [2023-11-24 22:53:53,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:53,495 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:53,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:53 WrapperNode [2023-11-24 22:53:53,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:53,497 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:53,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:53,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:53,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:53" (1/1) ... [2023-11-24 22:53:53,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:53" (1/1) ... [2023-11-24 22:53:53,529 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2023-11-24 22:53:53,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:53,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:53,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:53,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:53,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:53" (1/1) ... [2023-11-24 22:53:53,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:53" (1/1) ... [2023-11-24 22:53:53,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:53" (1/1) ... [2023-11-24 22:53:53,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:53" (1/1) ... [2023-11-24 22:53:53,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:53" (1/1) ... [2023-11-24 22:53:53,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:53" (1/1) ... [2023-11-24 22:53:53,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:53" (1/1) ... [2023-11-24 22:53:53,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:53" (1/1) ... [2023-11-24 22:53:53,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:53,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:53,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:53,551 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:53,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:53" (1/1) ... [2023-11-24 22:53:53,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:53,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0958e728-bea0-4a75-a71a-79077326ec0e/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:53,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0958e728-bea0-4a75-a71a-79077326ec0e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:53,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0958e728-bea0-4a75-a71a-79077326ec0e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:53,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:53,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:53,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:53:53,702 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:53,705 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:53,871 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:53,893 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:53,893 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:53:53,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:53 BoogieIcfgContainer [2023-11-24 22:53:53,895 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:53,896 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:53,896 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:53,907 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:53,907 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:53" (1/1) ... [2023-11-24 22:53:53,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:53,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:54,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-24 22:53:54,004 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-24 22:53:54,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:53:54,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:54,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:54,936 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 22:53:54,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:54,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-11-24 22:53:54,992 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-11-24 22:53:54,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:53:54,992 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-24 22:53:55,002 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 22:53:55,032 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:53:55,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:53:55 ImpRootNode [2023-11-24 22:53:55,037 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:53:55,038 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:53:55,038 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:53:55,038 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:53:55,039 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:53" (3/4) ... [2023-11-24 22:53:55,041 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:53:55,049 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-24 22:53:55,049 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 22:53:55,050 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:53:55,050 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:53:55,135 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0958e728-bea0-4a75-a71a-79077326ec0e/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:53:55,136 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0958e728-bea0-4a75-a71a-79077326ec0e/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:53:55,136 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:53:55,137 INFO L158 Benchmark]: Toolchain (without parser) took 1930.90ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 85.8MB in the beginning and 85.7MB in the end (delta: 116.2kB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2023-11-24 22:53:55,137 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:55,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.73ms. Allocated memory is still 132.1MB. Free memory was 85.6MB in the beginning and 75.3MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:53:55,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.83ms. Allocated memory is still 132.1MB. Free memory was 75.3MB in the beginning and 74.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:55,139 INFO L158 Benchmark]: Boogie Preprocessor took 18.94ms. Allocated memory is still 132.1MB. Free memory was 74.0MB in the beginning and 73.0MB in the end (delta: 983.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:55,140 INFO L158 Benchmark]: RCFGBuilder took 345.07ms. Allocated memory is still 132.1MB. Free memory was 73.0MB in the beginning and 63.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:53:55,141 INFO L158 Benchmark]: CodeCheck took 1141.01ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 63.1MB in the beginning and 89.9MB in the end (delta: -26.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2023-11-24 22:53:55,142 INFO L158 Benchmark]: Witness Printer took 98.19ms. Allocated memory is still 165.7MB. Free memory was 89.9MB in the beginning and 85.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:53:55,145 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, 6 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, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 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, 0.8s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 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: 27]: 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: 5]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.73ms. Allocated memory is still 132.1MB. Free memory was 85.6MB in the beginning and 75.3MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.83ms. Allocated memory is still 132.1MB. Free memory was 75.3MB in the beginning and 74.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.94ms. Allocated memory is still 132.1MB. Free memory was 74.0MB in the beginning and 73.0MB in the end (delta: 983.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 345.07ms. Allocated memory is still 132.1MB. Free memory was 73.0MB in the beginning and 63.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1141.01ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 63.1MB in the beginning and 89.9MB in the end (delta: -26.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Witness Printer took 98.19ms. Allocated memory is still 165.7MB. Free memory was 89.9MB in the beginning and 85.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:53:55,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0958e728-bea0-4a75-a71a-79077326ec0e/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