./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea997dce-98d0-49c1-94d0-8a0fe9cef971/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea997dce-98d0-49c1-94d0-8a0fe9cef971/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea997dce-98d0-49c1-94d0-8a0fe9cef971/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea997dce-98d0-49c1-94d0-8a0fe9cef971/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea997dce-98d0-49c1-94d0-8a0fe9cef971/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea997dce-98d0-49c1-94d0-8a0fe9cef971/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 69e3759b6e7ee15378e7391ad11d943bae32b67ab55c3e2fea94db5284daa3ec --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:32:19,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:32:19,411 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea997dce-98d0-49c1-94d0-8a0fe9cef971/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:32:19,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:32:19,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:32:19,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:32:19,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:32:19,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:32:19,463 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:32:19,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:32:19,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:32:19,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:32:19,463 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:32:19,463 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:32:19,463 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:32:19,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:32:19,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:32:19,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:32:19,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:32:19,464 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:32:19,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:32:19,464 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:32:19,464 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:32:19,464 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:32:19,464 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:32:19,464 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:32:19,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:32:19,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:32:19,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:32:19,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:32:19,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:32:19,467 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:32:19,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:32:19,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea997dce-98d0-49c1-94d0-8a0fe9cef971/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69e3759b6e7ee15378e7391ad11d943bae32b67ab55c3e2fea94db5284daa3ec [2024-11-25 02:32:19,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:32:19,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:32:19,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:32:19,800 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:32:19,800 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:32:19,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea997dce-98d0-49c1-94d0-8a0fe9cef971/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c [2024-11-25 02:32:22,800 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea997dce-98d0-49c1-94d0-8a0fe9cef971/bin/ukojak-verify-ENZ3QT5qd3/data/91512c72e/e5da38f10c5f4b9da60237ea3c8176bc/FLAG32d2d401e [2024-11-25 02:32:23,041 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:32:23,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea997dce-98d0-49c1-94d0-8a0fe9cef971/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c [2024-11-25 02:32:23,055 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea997dce-98d0-49c1-94d0-8a0fe9cef971/bin/ukojak-verify-ENZ3QT5qd3/data/91512c72e/e5da38f10c5f4b9da60237ea3c8176bc/FLAG32d2d401e [2024-11-25 02:32:23,084 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea997dce-98d0-49c1-94d0-8a0fe9cef971/bin/ukojak-verify-ENZ3QT5qd3/data/91512c72e/e5da38f10c5f4b9da60237ea3c8176bc [2024-11-25 02:32:23,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:32:23,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:32:23,091 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:32:23,091 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:32:23,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:32:23,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:32:23" (1/1) ... [2024-11-25 02:32:23,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec07033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:23, skipping insertion in model container [2024-11-25 02:32:23,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:32:23" (1/1) ... [2024-11-25 02:32:23,120 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:32:23,302 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea997dce-98d0-49c1-94d0-8a0fe9cef971/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c[520,533] [2024-11-25 02:32:23,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:32:23,338 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:32:23,350 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea997dce-98d0-49c1-94d0-8a0fe9cef971/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c[520,533] [2024-11-25 02:32:23,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:32:23,373 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:32:23,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:23 WrapperNode [2024-11-25 02:32:23,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:32:23,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:32:23,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:32:23,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:32:23,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:23" (1/1) ... [2024-11-25 02:32:23,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:23" (1/1) ... [2024-11-25 02:32:23,408 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2024-11-25 02:32:23,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:32:23,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:32:23,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:32:23,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:32:23,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:23" (1/1) ... [2024-11-25 02:32:23,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:23" (1/1) ... [2024-11-25 02:32:23,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:23" (1/1) ... [2024-11-25 02:32:23,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:23" (1/1) ... [2024-11-25 02:32:23,428 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:23" (1/1) ... [2024-11-25 02:32:23,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:23" (1/1) ... [2024-11-25 02:32:23,431 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:23" (1/1) ... [2024-11-25 02:32:23,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:23" (1/1) ... [2024-11-25 02:32:23,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:23" (1/1) ... [2024-11-25 02:32:23,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:32:23,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:32:23,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:32:23,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:32:23,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:23" (1/1) ... [2024-11-25 02:32:23,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:32:23,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea997dce-98d0-49c1-94d0-8a0fe9cef971/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:32:23,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea997dce-98d0-49c1-94d0-8a0fe9cef971/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:32:23,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea997dce-98d0-49c1-94d0-8a0fe9cef971/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:32:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:32:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:32:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:32:23,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:32:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:32:23,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:32:23,574 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:32:23,576 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:32:23,714 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 02:32:23,714 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:32:23,760 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:32:23,760 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:32:23,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:32:23 BoogieIcfgContainer [2024-11-25 02:32:23,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:32:23,761 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:32:23,762 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:32:23,772 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:32:23,773 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:32:23" (1/1) ... [2024-11-25 02:32:23,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:32:23,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:23,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-11-25 02:32:23,847 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-11-25 02:32:23,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:32:23,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:23,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:24,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:32:24,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:24,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2024-11-25 02:32:24,385 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2024-11-25 02:32:24,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:32:24,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:24,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:32:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:24,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:32:24,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:32:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:32:24,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:24,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 21 states and 37 transitions. [2024-11-25 02:32:24,796 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 37 transitions. [2024-11-25 02:32:24,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:32:24,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:24,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:32:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:24,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:32:24,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:32:24,925 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 02:32:25,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:25,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 23 states and 42 transitions. [2024-11-25 02:32:25,064 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 42 transitions. [2024-11-25 02:32:25,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 02:32:25,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:25,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:25,286 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:32:25,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:25,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 44 transitions. [2024-11-25 02:32:25,668 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 44 transitions. [2024-11-25 02:32:25,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 02:32:25,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:25,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:25,877 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:32:26,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:26,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 46 transitions. [2024-11-25 02:32:26,011 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2024-11-25 02:32:26,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:32:26,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:26,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:26,159 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 02:32:26,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:26,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 49 transitions. [2024-11-25 02:32:26,445 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2024-11-25 02:32:26,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:32:26,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:26,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:32:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:26,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 02:32:26,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:32:26,700 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 02:32:27,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:27,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 53 transitions. [2024-11-25 02:32:27,106 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-11-25 02:32:27,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 02:32:27,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:27,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:27,299 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 02:32:27,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:27,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 52 transitions. [2024-11-25 02:32:27,642 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2024-11-25 02:32:27,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 02:32:27,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:27,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:32:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:27,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:32:27,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:32:27,784 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 02:32:28,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:28,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 56 transitions. [2024-11-25 02:32:28,093 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2024-11-25 02:32:28,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 02:32:28,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:28,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:28,177 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-25 02:32:28,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:28,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 57 transitions. [2024-11-25 02:32:28,309 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-11-25 02:32:28,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 02:32:28,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:28,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:28,378 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-25 02:32:28,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:28,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 50 transitions. [2024-11-25 02:32:28,625 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2024-11-25 02:32:28,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 02:32:28,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:28,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:28,800 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-25 02:32:29,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:29,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 18 states and 26 transitions. [2024-11-25 02:32:29,568 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2024-11-25 02:32:29,569 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:32:29,570 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2024-11-25 02:32:29,585 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 02:32:30,008 INFO L77 FloydHoareUtils]: At program point L33(lines 30 42) the Hoare annotation is: (not (let ((.cse0 (* 2 |ULTIMATE.start_main_~a~0#1|))) (and (not (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 .cse0) |ULTIMATE.start_main_~s~0#1|)) (= |ULTIMATE.start_main_~t~0#1| (+ 1 .cse0))))) [2024-11-25 02:32:30,008 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:32:30,009 INFO L77 FloydHoareUtils]: At program point L31(line 31) the Hoare annotation is: (or (and (not (and (= |ULTIMATE.start_main_~a~0#1| 1) (= |ULTIMATE.start_main_~s~0#1| 4))) (not (and (= |ULTIMATE.start_main_~a~0#1| 0) (= |ULTIMATE.start_main_~s~0#1| 1)))) (= |ULTIMATE.start_main_~t~0#1| (+ 1 (* 2 |ULTIMATE.start_main_~a~0#1|)))) [2024-11-25 02:32:30,009 INFO L77 FloydHoareUtils]: At program point L46(line 46) the Hoare annotation is: true [2024-11-25 02:32:30,009 INFO L77 FloydHoareUtils]: At program point L44(line 44) the Hoare annotation is: (not (and (not (= (* |ULTIMATE.start_main_~s~0#1| 4) (+ (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) (* 2 |ULTIMATE.start_main_~t~0#1|) 1))) (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 (* 2 |ULTIMATE.start_main_~a~0#1|)) |ULTIMATE.start_main_~s~0#1|))) [2024-11-25 02:32:30,009 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:32:30,009 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: true [2024-11-25 02:32:30,009 INFO L77 FloydHoareUtils]: At program point L30-2(lines 30 42) the Hoare annotation is: (not (and (not (= |ULTIMATE.start_main_~s~0#1| 1)) (= |ULTIMATE.start_main_~t~0#1| 1) (= |ULTIMATE.start_main_~a~0#1| 0))) [2024-11-25 02:32:30,010 INFO L77 FloydHoareUtils]: At program point L30-3(lines 30 42) the Hoare annotation is: (not (let ((.cse0 (* 2 |ULTIMATE.start_main_~a~0#1|))) (and (not (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 .cse0) |ULTIMATE.start_main_~s~0#1|)) (= |ULTIMATE.start_main_~t~0#1| (+ 1 .cse0))))) [2024-11-25 02:32:30,010 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: true [2024-11-25 02:32:30,010 INFO L77 FloydHoareUtils]: At program point L13(lines 13 14) the Hoare annotation is: true [2024-11-25 02:32:30,010 INFO L77 FloydHoareUtils]: At program point L12(lines 12 15) the Hoare annotation is: (not (and (not (= __VERIFIER_assert_~cond 0)) (not (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2024-11-25 02:32:30,010 INFO L77 FloydHoareUtils]: At program point L12-2(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-25 02:32:30,010 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-25 02:32:30,010 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: true [2024-11-25 02:32:30,010 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) the Hoare annotation is: true [2024-11-25 02:32:30,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:32:30 ImpRootNode [2024-11-25 02:32:30,030 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:32:30,034 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:32:30,034 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:32:30,034 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:32:30,035 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:32:23" (3/4) ... [2024-11-25 02:32:30,037 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:32:30,040 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-25 02:32:30,046 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-25 02:32:30,046 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-25 02:32:30,046 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 02:32:30,047 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:32:30,135 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea997dce-98d0-49c1-94d0-8a0fe9cef971/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:32:30,135 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea997dce-98d0-49c1-94d0-8a0fe9cef971/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:32:30,136 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:32:30,139 INFO L158 Benchmark]: Toolchain (without parser) took 7049.02ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 41.1MB in the end (delta: 51.9MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2024-11-25 02:32:30,139 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:32:30,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.08ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:32:30,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.95ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:32:30,140 INFO L158 Benchmark]: Boogie Preprocessor took 28.62ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.9MB in the end (delta: 688.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:32:30,140 INFO L158 Benchmark]: RCFGBuilder took 322.59ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 68.2MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:32:30,141 INFO L158 Benchmark]: CodeCheck took 6268.34ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 46.2MB in the end (delta: 21.8MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-11-25 02:32:30,141 INFO L158 Benchmark]: Witness Printer took 102.53ms. Allocated memory is still 117.4MB. Free memory was 46.2MB in the beginning and 41.1MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:32:30,144 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, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 337 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 298 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52 mSDsCounter, 679 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1588 IncrementalHoareTripleChecker+Invalid, 2267 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 679 mSolverCounterUnsat, 246 mSDtfsCounter, 1588 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2244 GetRequests, 2129 SyntacticMatches, 31 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2807 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 307 NumberOfCodeBlocks, 307 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 295 ConstructedInterpolants, 0 QuantifiedInterpolants, 773 SizeOfPredicates, 5 NumberOfNonLiveVariables, 278 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 445/500 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 14]: 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: 30]: Loop Invariant Derived loop invariant: !(((s != 1) && (t == 1)) && (a == 0)) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.08ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.95ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.62ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.9MB in the end (delta: 688.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 322.59ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 68.2MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 6268.34ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 46.2MB in the end (delta: 21.8MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Witness Printer took 102.53ms. Allocated memory is still 117.4MB. Free memory was 46.2MB in the beginning and 41.1MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:32:30,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea997dce-98d0-49c1-94d0-8a0fe9cef971/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE