./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.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_e4d07f81-15a0-482b-aa3e-4e57160faa3d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d07f81-15a0-482b-aa3e-4e57160faa3d/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d07f81-15a0-482b-aa3e-4e57160faa3d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d07f81-15a0-482b-aa3e-4e57160faa3d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d07f81-15a0-482b-aa3e-4e57160faa3d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d07f81-15a0-482b-aa3e-4e57160faa3d/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab65f956ab163b80526b0084797effd91e1aac547effeb9a1fdab821fa279e8e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:02:30,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:02:31,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d07f81-15a0-482b-aa3e-4e57160faa3d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:02:31,028 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:02:31,029 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:02:31,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:02:31,053 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:02:31,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:02:31,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:02:31,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:02:31,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:02:31,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:02:31,057 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:02:31,058 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:02:31,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:02:31,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:02:31,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:02:31,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:02:31,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:02:31,061 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:02:31,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:02:31,063 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:02:31,064 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:02:31,064 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:02:31,064 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:02:31,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:02:31,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:02:31,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:02:31,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:02:31,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:02:31,067 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:02:31,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:02:31,068 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:02:31,068 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_e4d07f81-15a0-482b-aa3e-4e57160faa3d/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d07f81-15a0-482b-aa3e-4e57160faa3d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab65f956ab163b80526b0084797effd91e1aac547effeb9a1fdab821fa279e8e [2023-12-03 02:02:31,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:02:31,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:02:31,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:02:31,355 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:02:31,356 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:02:31,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d07f81-15a0-482b-aa3e-4e57160faa3d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2023-12-03 02:02:34,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:02:34,653 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:02:34,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d07f81-15a0-482b-aa3e-4e57160faa3d/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2023-12-03 02:02:34,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d07f81-15a0-482b-aa3e-4e57160faa3d/bin/ukojak-verify-Qdu7aM0XO9/data/a5031256e/bf29ea3b8775470aada4b74591c6db52/FLAGf44756404 [2023-12-03 02:02:34,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d07f81-15a0-482b-aa3e-4e57160faa3d/bin/ukojak-verify-Qdu7aM0XO9/data/a5031256e/bf29ea3b8775470aada4b74591c6db52 [2023-12-03 02:02:34,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:02:34,680 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:02:34,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:02:34,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:02:34,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:02:34,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:02:34" (1/1) ... [2023-12-03 02:02:34,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5ddc72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:02:34, skipping insertion in model container [2023-12-03 02:02:34,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:02:34" (1/1) ... [2023-12-03 02:02:34,718 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:02:34,896 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_e4d07f81-15a0-482b-aa3e-4e57160faa3d/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i[950,963] [2023-12-03 02:02:34,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:02:34,928 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:02:34,943 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_e4d07f81-15a0-482b-aa3e-4e57160faa3d/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i[950,963] [2023-12-03 02:02:34,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:02:34,966 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:02:34,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:02:34 WrapperNode [2023-12-03 02:02:34,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:02:34,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:02:34,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:02:34,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:02:34,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:02:34" (1/1) ... [2023-12-03 02:02:34,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:02:34" (1/1) ... [2023-12-03 02:02:35,005 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-12-03 02:02:35,006 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:02:35,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:02:35,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:02:35,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:02:35,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:02:34" (1/1) ... [2023-12-03 02:02:35,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:02:34" (1/1) ... [2023-12-03 02:02:35,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:02:34" (1/1) ... [2023-12-03 02:02:35,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:02:34" (1/1) ... [2023-12-03 02:02:35,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:02:34" (1/1) ... [2023-12-03 02:02:35,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:02:34" (1/1) ... [2023-12-03 02:02:35,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:02:34" (1/1) ... [2023-12-03 02:02:35,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:02:34" (1/1) ... [2023-12-03 02:02:35,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:02:35,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:02:35,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:02:35,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:02:35,036 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:02:34" (1/1) ... [2023-12-03 02:02:35,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:02:35,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d07f81-15a0-482b-aa3e-4e57160faa3d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:02:35,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d07f81-15a0-482b-aa3e-4e57160faa3d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:02:35,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d07f81-15a0-482b-aa3e-4e57160faa3d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:02:35,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:02:35,109 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:02:35,109 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:02:35,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:02:35,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:02:35,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:02:35,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:02:35,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:02:35,191 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:02:35,194 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:02:35,336 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:02:35,384 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:02:35,385 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 02:02:35,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:02:35 BoogieIcfgContainer [2023-12-03 02:02:35,387 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:02:35,388 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:02:35,388 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:02:35,396 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:02:35,396 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:02:35" (1/1) ... [2023-12-03 02:02:35,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:02:35,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:35,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-12-03 02:02:35,461 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-12-03 02:02:35,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 02:02:35,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:35,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:02:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:35,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:02:35,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:35,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:02:35,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:35,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-12-03 02:02:35,690 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-12-03 02:02:35,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:02:35,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:35,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:02:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:35,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:02:35,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:35,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:02:35,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:35,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2023-12-03 02:02:35,920 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-12-03 02:02:35,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:02:35,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:35,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:02:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:36,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 02:02:36,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:36,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:02:37,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:37,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 49 transitions. [2023-12-03 02:02:37,296 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2023-12-03 02:02:37,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:02:37,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:37,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:02:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:37,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:02:37,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:37,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:02:38,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:38,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 55 transitions. [2023-12-03 02:02:38,384 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2023-12-03 02:02:38,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 02:02:38,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:38,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:02:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:38,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:02:38,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:38,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:02:38,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:38,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 57 transitions. [2023-12-03 02:02:38,740 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2023-12-03 02:02:38,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 02:02:38,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:38,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:02:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:38,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:02:38,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:38,937 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:02:41,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:41,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 68 transitions. [2023-12-03 02:02:41,326 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2023-12-03 02:02:41,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 02:02:41,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:41,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:02:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:41,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:02:41,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:41,694 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:02:43,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:43,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 85 transitions. [2023-12-03 02:02:43,391 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 85 transitions. [2023-12-03 02:02:43,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 02:02:43,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:43,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:02:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:43,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:02:43,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:43,658 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:02:44,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:44,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 52 states and 89 transitions. [2023-12-03 02:02:44,775 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2023-12-03 02:02:44,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 02:02:44,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:44,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:02:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:44,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:02:44,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:44,895 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:02:45,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:45,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 42 states and 63 transitions. [2023-12-03 02:02:45,185 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2023-12-03 02:02:45,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:02:45,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:45,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:02:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:45,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:02:45,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:45,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:02:46,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:46,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 46 states and 71 transitions. [2023-12-03 02:02:46,571 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2023-12-03 02:02:46,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:02:46,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:46,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:02:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:46,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:02:46,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:46,765 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 02:02:47,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:47,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 48 states and 74 transitions. [2023-12-03 02:02:47,961 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2023-12-03 02:02:47,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:02:47,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:47,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:02:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:47,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:02:47,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:48,265 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 02:02:48,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:48,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 48 states and 72 transitions. [2023-12-03 02:02:48,912 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2023-12-03 02:02:48,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:02:48,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:48,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:02:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:48,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:02:48,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:49,037 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:02:51,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:51,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 48 states and 69 transitions. [2023-12-03 02:02:51,211 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2023-12-03 02:02:51,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:02:51,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:51,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:02:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:51,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:02:51,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:51,354 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:02:54,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:54,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 39 states and 52 transitions. [2023-12-03 02:02:54,229 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2023-12-03 02:02:54,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 02:02:54,230 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2023-12-03 02:02:54,239 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 02:02:54,462 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:02:54,466 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:02:54,466 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:02:54,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:02:54 ImpRootNode [2023-12-03 02:02:54,466 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:02:54,467 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:02:54,467 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:02:54,467 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:02:54,467 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:02:35" (3/4) ... [2023-12-03 02:02:54,469 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 02:02:54,472 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-03 02:02:54,472 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 02:02:54,475 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-12-03 02:02:54,475 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-03 02:02:54,475 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 02:02:54,475 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 02:02:54,552 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d07f81-15a0-482b-aa3e-4e57160faa3d/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 02:02:54,553 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d07f81-15a0-482b-aa3e-4e57160faa3d/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 02:02:54,553 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:02:54,554 INFO L158 Benchmark]: Toolchain (without parser) took 19873.67ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 100.7MB in the beginning and 60.2MB in the end (delta: 40.6MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. [2023-12-03 02:02:54,554 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 138.4MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:02:54,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.59ms. Allocated memory is still 138.4MB. Free memory was 100.2MB in the beginning and 89.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:02:54,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.10ms. Allocated memory is still 138.4MB. Free memory was 89.9MB in the beginning and 88.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:02:54,555 INFO L158 Benchmark]: Boogie Preprocessor took 26.51ms. Allocated memory is still 138.4MB. Free memory was 88.2MB in the beginning and 87.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:02:54,556 INFO L158 Benchmark]: RCFGBuilder took 352.62ms. Allocated memory is still 138.4MB. Free memory was 87.1MB in the beginning and 74.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:02:54,556 INFO L158 Benchmark]: CodeCheck took 19078.99ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 74.0MB in the beginning and 66.4MB in the end (delta: 7.7MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-12-03 02:02:54,556 INFO L158 Benchmark]: Witness Printer took 85.90ms. Allocated memory is still 169.9MB. Free memory was 66.4MB in the beginning and 60.2MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 02:02:54,559 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 3 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.8s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1281 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 649 mSDsluCounter, 774 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 902 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3203 IncrementalHoareTripleChecker+Invalid, 4105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 902 mSolverCounterUnsat, 594 mSDtfsCounter, 3203 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2636 GetRequests, 2320 SyntacticMatches, 78 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24643 ImplicationChecksByTransitivity, 15.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 280 NumberOfCodeBlocks, 280 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 938 SizeOfPredicates, 23 NumberOfNonLiveVariables, 960 ConjunctsInSsa, 128 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 57/67 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: 21]: 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: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 138.4MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.59ms. Allocated memory is still 138.4MB. Free memory was 100.2MB in the beginning and 89.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.10ms. Allocated memory is still 138.4MB. Free memory was 89.9MB in the beginning and 88.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.51ms. Allocated memory is still 138.4MB. Free memory was 88.2MB in the beginning and 87.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 352.62ms. Allocated memory is still 138.4MB. Free memory was 87.1MB in the beginning and 74.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 19078.99ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 74.0MB in the beginning and 66.4MB in the end (delta: 7.7MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Witness Printer took 85.90ms. Allocated memory is still 169.9MB. Free memory was 66.4MB in the beginning and 60.2MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 02:02:54,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d07f81-15a0-482b-aa3e-4e57160faa3d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE