./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b7037e-9312-4146-a51c-8d607f90e81c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b7037e-9312-4146-a51c-8d607f90e81c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b7037e-9312-4146-a51c-8d607f90e81c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b7037e-9312-4146-a51c-8d607f90e81c/bin/ukojak-verify-EEHR8qb7sm/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_60b7037e-9312-4146-a51c-8d607f90e81c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b7037e-9312-4146-a51c-8d607f90e81c/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 16:46:26,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:46:26,910 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b7037e-9312-4146-a51c-8d607f90e81c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:46:26,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:46:26,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:46:26,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:46:26,941 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:46:26,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:46:26,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:46:26,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:46:26,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:46:26,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:46:26,942 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:46:26,942 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:46:26,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:46:26,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:46:26,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:46:26,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:46:26,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:46:26,942 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:46:26,942 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:46:26,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:46:26,943 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:46:26,943 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:46:26,943 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:46:26,943 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:46:26,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:46:26,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:46:26,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:46:26,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:46:26,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:46:26,944 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:46:26,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:46:26,946 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_60b7037e-9312-4146-a51c-8d607f90e81c/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 16:46:27,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:46:27,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:46:27,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:46:27,242 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:46:27,242 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:46:27,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b7037e-9312-4146-a51c-8d607f90e81c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c Unable to find full path for "g++" [2024-11-13 16:46:29,175 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:46:29,469 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:46:29,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b7037e-9312-4146-a51c-8d607f90e81c/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c [2024-11-13 16:46:29,479 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b7037e-9312-4146-a51c-8d607f90e81c/bin/ukojak-verify-EEHR8qb7sm/data/fc6a36758/46e4a67e72e04557979c192799dee517/FLAGff31899ee [2024-11-13 16:46:29,508 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b7037e-9312-4146-a51c-8d607f90e81c/bin/ukojak-verify-EEHR8qb7sm/data/fc6a36758/46e4a67e72e04557979c192799dee517 [2024-11-13 16:46:29,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:46:29,513 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:46:29,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:46:29,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:46:29,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:46:29,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:29,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@236978bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29, skipping insertion in model container [2024-11-13 16:46:29,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:29,544 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:46:29,720 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_60b7037e-9312-4146-a51c-8d607f90e81c/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c[520,533] [2024-11-13 16:46:29,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:46:29,755 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:46:29,765 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_60b7037e-9312-4146-a51c-8d607f90e81c/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c[520,533] [2024-11-13 16:46:29,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:46:29,793 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:46:29,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29 WrapperNode [2024-11-13 16:46:29,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:46:29,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:46:29,795 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:46:29,795 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:46:29,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:29,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:29,829 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2024-11-13 16:46:29,830 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:46:29,831 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:46:29,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:46:29,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:46:29,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:29,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:29,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:29,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:29,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:29,846 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:29,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:29,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:29,849 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:46:29,850 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:46:29,850 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:46:29,850 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:46:29,851 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:29" (1/1) ... [2024-11-13 16:46:29,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:46:29,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b7037e-9312-4146-a51c-8d607f90e81c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:46:29,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b7037e-9312-4146-a51c-8d607f90e81c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:46:29,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b7037e-9312-4146-a51c-8d607f90e81c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:46:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:46:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:46:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:46:29,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:46:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:46:29,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:46:29,976 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:46:29,978 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:46:30,132 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 16:46:30,132 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:46:30,199 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:46:30,199 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:46:30,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:30 BoogieIcfgContainer [2024-11-13 16:46:30,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:46:30,201 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:46:30,201 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:46:30,214 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:46:30,214 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:30" (1/1) ... [2024-11-13 16:46:30,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:46:30,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:30,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-11-13 16:46:30,294 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-11-13 16:46:30,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:46:30,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:30,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:30,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:30,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:30,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2024-11-13 16:46:30,809 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2024-11-13 16:46:30,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:46:30,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:30,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:46:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:30,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 16:46:30,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:31,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:31,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:31,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2024-11-13 16:46:31,313 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2024-11-13 16:46:31,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:46:31,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:31,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:46:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:31,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 16:46:31,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:31,465 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:46:31,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:31,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2024-11-13 16:46:31,615 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2024-11-13 16:46:31,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:46:31,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:31,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:31,834 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 16:46:32,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:32,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 47 transitions. [2024-11-13 16:46:32,190 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2024-11-13 16:46:32,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:46:32,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:32,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:32,450 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:46:32,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:32,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 50 transitions. [2024-11-13 16:46:32,588 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2024-11-13 16:46:32,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 16:46:32,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:32,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:32,715 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:46:33,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:33,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 53 transitions. [2024-11-13 16:46:33,004 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2024-11-13 16:46:33,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 16:46:33,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:33,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:46:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:33,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 16:46:33,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:33,249 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:46:33,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:33,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 58 transitions. [2024-11-13 16:46:33,658 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2024-11-13 16:46:33,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 16:46:33,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:33,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:33,845 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 16:46:34,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:34,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 57 transitions. [2024-11-13 16:46:34,240 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2024-11-13 16:46:34,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 16:46:34,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:34,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:46:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:34,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:46:34,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 16:46:34,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:34,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 37 states and 61 transitions. [2024-11-13 16:46:34,709 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-11-13 16:46:34,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 16:46:34,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:34,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:34,805 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-13 16:46:34,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:34,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 62 transitions. [2024-11-13 16:46:34,930 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2024-11-13 16:46:34,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 16:46:34,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:34,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:35,053 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-13 16:46:35,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:35,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 54 transitions. [2024-11-13 16:46:35,277 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-13 16:46:35,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 16:46:35,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:35,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:35,497 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 16:46:36,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:36,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 20 states and 28 transitions. [2024-11-13 16:46:36,269 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2024-11-13 16:46:36,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 16:46:36,270 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2024-11-13 16:46:36,278 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 16:46:36,745 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))))) [2024-11-13 16:46:36,746 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 16:46:36,746 INFO L77 FloydHoareUtils]: At program point L31(line 31) 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))) [2024-11-13 16:46:36,746 INFO L77 FloydHoareUtils]: At program point L31-1(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|)))) [2024-11-13 16:46:36,746 INFO L77 FloydHoareUtils]: At program point L46(line 46) the Hoare annotation is: true [2024-11-13 16:46:36,747 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|))) [2024-11-13 16:46:36,747 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 16:46:36,747 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: true [2024-11-13 16:46:36,747 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))) [2024-11-13 16:46:36,747 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))))) [2024-11-13 16:46:36,747 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: true [2024-11-13 16:46:36,748 INFO L77 FloydHoareUtils]: At program point L13(lines 13 14) the Hoare annotation is: true [2024-11-13 16:46:36,748 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)))) [2024-11-13 16:46:36,748 INFO L77 FloydHoareUtils]: At program point L12-2(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 16:46:36,748 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 16:46:36,748 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: true [2024-11-13 16:46:36,748 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) the Hoare annotation is: true [2024-11-13 16:46:36,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:46:36 ImpRootNode [2024-11-13 16:46:36,771 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:46:36,772 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:46:36,772 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:46:36,772 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:46:36,773 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:30" (3/4) ... [2024-11-13 16:46:36,776 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:46:36,779 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 16:46:36,785 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 16:46:36,785 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 16:46:36,785 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 16:46:36,786 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 16:46:36,888 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b7037e-9312-4146-a51c-8d607f90e81c/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 16:46:36,889 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b7037e-9312-4146-a51c-8d607f90e81c/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 16:46:36,889 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:46:36,893 INFO L158 Benchmark]: Toolchain (without parser) took 7377.91ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 87.0MB in the end (delta: 5.9MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2024-11-13 16:46:36,893 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:36,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.11ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:46:36,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.29ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:36,894 INFO L158 Benchmark]: Boogie Preprocessor took 18.59ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.9MB in the end (delta: 614.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:36,894 INFO L158 Benchmark]: RCFGBuilder took 350.24ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 68.1MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:46:36,894 INFO L158 Benchmark]: CodeCheck took 6570.14ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 33.5MB in the end (delta: 34.7MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-11-13 16:46:36,895 INFO L158 Benchmark]: Witness Printer took 117.95ms. Allocated memory is still 117.4MB. Free memory was 33.5MB in the beginning and 87.0MB in the end (delta: -53.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-13 16:46:36,898 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 415 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 454 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 184 mSDsCounter, 679 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1588 IncrementalHoareTripleChecker+Invalid, 2267 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 679 mSolverCounterUnsat, 270 mSDtfsCounter, 1588 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2371 GetRequests, 2251 SyntacticMatches, 36 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2807 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 326 NumberOfCodeBlocks, 326 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 314 ConstructedInterpolants, 0 QuantifiedInterpolants, 862 SizeOfPredicates, 5 NumberOfNonLiveVariables, 284 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 449/508 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: 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 0.40ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.11ms. Allocated memory is still 117.4MB. Free memory was 92.7MB 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 35.29ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.59ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.9MB in the end (delta: 614.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 350.24ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 68.1MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 6570.14ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 33.5MB in the end (delta: 34.7MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Witness Printer took 117.95ms. Allocated memory is still 117.4MB. Free memory was 33.5MB in the beginning and 87.0MB in the end (delta: -53.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 16:46:36,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b7037e-9312-4146-a51c-8d607f90e81c/bin/ukojak-verify-EEHR8qb7sm/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