./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound1.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_41983250-455a-42e3-b623-afe918b95404/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41983250-455a-42e3-b623-afe918b95404/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_41983250-455a-42e3-b623-afe918b95404/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41983250-455a-42e3-b623-afe918b95404/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41983250-455a-42e3-b623-afe918b95404/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_41983250-455a-42e3-b623-afe918b95404/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 1e1d72742850b95338b71e8d041fa264ac4d7956cbe86d6603297a369e94cb76 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:23,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:23,892 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41983250-455a-42e3-b623-afe918b95404/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:17:23,899 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:17:23,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:17:23,929 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:23,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:23,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:23,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:23,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:23,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:23,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:23,931 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:17:23,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:17:23,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:17:23,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:23,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:23,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:23,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:23,932 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:23,932 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:17:23,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:23,932 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:23,932 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:23,932 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:23,932 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:23,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:23,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:23,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:23,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:23,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:23,933 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:17:23,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:17:23,933 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_41983250-455a-42e3-b623-afe918b95404/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 -> 1e1d72742850b95338b71e8d041fa264ac4d7956cbe86d6603297a369e94cb76 [2024-11-13 20:17:24,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:24,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:24,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:24,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:24,258 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:24,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41983250-455a-42e3-b623-afe918b95404/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound1.c Unable to find full path for "g++" [2024-11-13 20:17:26,257 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:26,519 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:26,522 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41983250-455a-42e3-b623-afe918b95404/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound1.c [2024-11-13 20:17:26,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41983250-455a-42e3-b623-afe918b95404/bin/ukojak-verify-EEHR8qb7sm/data/352992def/ccd995471a80429d8f623c838e3088ce/FLAG6a9e3322c [2024-11-13 20:17:26,829 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41983250-455a-42e3-b623-afe918b95404/bin/ukojak-verify-EEHR8qb7sm/data/352992def/ccd995471a80429d8f623c838e3088ce [2024-11-13 20:17:26,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:26,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:26,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:26,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:26,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:26,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:26" (1/1) ... [2024-11-13 20:17:26,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39726726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:26, skipping insertion in model container [2024-11-13 20:17:26,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:26" (1/1) ... [2024-11-13 20:17:26,858 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:27,040 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_41983250-455a-42e3-b623-afe918b95404/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound1.c[597,610] [2024-11-13 20:17:27,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:27,087 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:27,099 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_41983250-455a-42e3-b623-afe918b95404/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound1.c[597,610] [2024-11-13 20:17:27,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:27,131 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:27,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27 WrapperNode [2024-11-13 20:17:27,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:27,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:27,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:27,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:27,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,168 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2024-11-13 20:17:27,169 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:27,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:27,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:27,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:27,178 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,184 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:27,201 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:27,201 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:27,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:27,202 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:27,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41983250-455a-42e3-b623-afe918b95404/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:27,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41983250-455a-42e3-b623-afe918b95404/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:27,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41983250-455a-42e3-b623-afe918b95404/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:27,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:27,271 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:17:27,272 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:17:27,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:17:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:17:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:17:27,346 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:27,348 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:27,512 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:27,512 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:27,553 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:27,553 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:17:27,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:27 BoogieIcfgContainer [2024-11-13 20:17:27,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:27,555 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:27,555 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:27,563 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:27,564 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:27,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:27,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-13 20:17:27,620 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-13 20:17:27,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:17:27,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:27,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:17:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:27,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:17:27,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:28,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:17:28,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2024-11-13 20:17:28,220 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2024-11-13 20:17:28,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:17:28,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:28,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:28,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:17:29,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:29,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 38 transitions. [2024-11-13 20:17:29,256 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2024-11-13 20:17:29,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:17:29,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:29,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:17:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:29,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 20:17:29,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:30,130 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:17:31,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:31,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 50 transitions. [2024-11-13 20:17:31,640 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2024-11-13 20:17:31,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 20:17:31,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:31,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:17:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:31,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 20:17:31,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:32,885 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:17:36,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:36,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 39 states and 68 transitions. [2024-11-13 20:17:36,088 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2024-11-13 20:17:36,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 20:17:36,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:36,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:17:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:36,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 20:17:36,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:36,957 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:17:38,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:38,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 78 transitions. [2024-11-13 20:17:38,754 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 78 transitions. [2024-11-13 20:17:38,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 20:17:38,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:38,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:17:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:38,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 20:17:38,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:39,306 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:17:40,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:40,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 44 states and 81 transitions. [2024-11-13 20:17:40,271 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2024-11-13 20:17:40,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 20:17:40,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:40,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:17:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:40,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 20:17:40,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:42,212 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 20:17:45,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:45,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 50 states and 104 transitions. [2024-11-13 20:17:45,565 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 104 transitions. [2024-11-13 20:17:45,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 20:17:45,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:45,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:46,071 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 20:17:47,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:47,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 51 states and 105 transitions. [2024-11-13 20:17:47,325 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 105 transitions. [2024-11-13 20:17:47,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 20:17:47,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:47,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:47,525 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 20:17:47,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:47,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 52 states and 106 transitions. [2024-11-13 20:17:47,952 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2024-11-13 20:17:47,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 20:17:47,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:47,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:17:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:48,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 20:17:48,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:48,782 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 20:17:49,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:49,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 28 states and 37 transitions. [2024-11-13 20:17:49,509 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2024-11-13 20:17:49,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:17:49,510 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2024-11-13 20:17:49,536 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 20:17:50,239 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:17:50,240 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~X~0#1| 1) (<= 0 |ULTIMATE.start_main_~X~0#1|)) [2024-11-13 20:17:50,240 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: (not (and (<= |ULTIMATE.start_main_~X~0#1| 1) (not (and (<= |ULTIMATE.start_main_~Y~0#1| 1) (<= 0 |ULTIMATE.start_main_~Y~0#1|))) (<= 0 |ULTIMATE.start_main_~X~0#1|))) [2024-11-13 20:17:50,240 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: true [2024-11-13 20:17:50,240 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~X~0#1| 1) (<= 0 |ULTIMATE.start_main_~X~0#1|)) [2024-11-13 20:17:50,240 INFO L77 FloydHoareUtils]: At program point L50(line 50) the Hoare annotation is: true [2024-11-13 20:17:50,241 INFO L77 FloydHoareUtils]: At program point L50-1(line 50) the Hoare annotation is: true [2024-11-13 20:17:50,241 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:17:50,241 INFO L77 FloydHoareUtils]: At program point L32-2(lines 32 47) the Hoare annotation is: true [2024-11-13 20:17:50,241 INFO L77 FloydHoareUtils]: At program point L32-3(lines 32 47) the Hoare annotation is: true [2024-11-13 20:17:50,241 INFO L77 FloydHoareUtils]: At program point L35(line 35) the Hoare annotation is: (or (not (and (= 2 |ULTIMATE.start_main_~xy~0#1|) (= |ULTIMATE.start_main_~v~0#1| 1) (= |ULTIMATE.start_main_~Y~0#1| 1) (= |ULTIMATE.start_main_~X~0#1| 1) (= |ULTIMATE.start_main_~yx~0#1| (* 2 |ULTIMATE.start_main_~Y~0#1|)))) (and (= 2 |ULTIMATE.start_main_~x~0#1|) (= 2 |ULTIMATE.start_main_~y~0#1|))) [2024-11-13 20:17:50,241 INFO L77 FloydHoareUtils]: At program point L35-1(lines 32 47) the Hoare annotation is: true [2024-11-13 20:17:50,242 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 10 12) the Hoare annotation is: true [2024-11-13 20:17:50,242 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 10 12) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-11-13 20:17:50,242 INFO L77 FloydHoareUtils]: At program point L15(lines 15 16) the Hoare annotation is: true [2024-11-13 20:17:50,242 INFO L77 FloydHoareUtils]: At program point L14(lines 14 17) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (<= 1 __VERIFIER_assert_~cond))) [2024-11-13 20:17:50,242 INFO L77 FloydHoareUtils]: At program point L14-2(lines 13 19) the Hoare annotation is: true [2024-11-13 20:17:50,242 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 13 19) the Hoare annotation is: true [2024-11-13 20:17:50,242 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 13 19) the Hoare annotation is: true [2024-11-13 20:17:50,243 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) the Hoare annotation is: true [2024-11-13 20:17:50,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:50 ImpRootNode [2024-11-13 20:17:50,275 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:50,284 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:50,284 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:50,284 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:50,285 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:27" (3/4) ... [2024-11-13 20:17:50,296 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:17:50,308 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 20:17:50,308 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 20:17:50,313 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-13 20:17:50,314 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 20:17:50,314 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 20:17:50,314 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:17:50,461 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41983250-455a-42e3-b623-afe918b95404/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:17:50,461 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41983250-455a-42e3-b623-afe918b95404/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:17:50,461 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:50,464 INFO L158 Benchmark]: Toolchain (without parser) took 23629.69ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 93.0MB in the beginning and 99.4MB in the end (delta: -6.4MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-11-13 20:17:50,465 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:50,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.66ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.6MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:50,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.11ms. 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 20:17:50,466 INFO L158 Benchmark]: Boogie Preprocessor took 29.37ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.7MB in the end (delta: 734.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:50,466 INFO L158 Benchmark]: RCFGBuilder took 353.15ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 66.8MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:50,470 INFO L158 Benchmark]: CodeCheck took 22720.82ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 66.6MB in the beginning and 106.4MB in the end (delta: -39.8MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:50,471 INFO L158 Benchmark]: Witness Printer took 177.85ms. Allocated memory is still 176.2MB. Free memory was 106.1MB in the beginning and 99.4MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:50,473 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.9s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 612 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 203 mSDsluCounter, 239 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 553 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1932 IncrementalHoareTripleChecker+Invalid, 2485 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 553 mSolverCounterUnsat, 213 mSDtfsCounter, 1932 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2737 GetRequests, 2520 SyntacticMatches, 77 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8268 ImplicationChecksByTransitivity, 15.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 280 NumberOfCodeBlocks, 280 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 270 ConstructedInterpolants, 0 QuantifiedInterpolants, 2806 SizeOfPredicates, 25 NumberOfNonLiveVariables, 604 ConjunctsInSsa, 181 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 128/187 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: 16]: 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 - ProcedureContractResult [Line: 10]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.66ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.6MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.11ms. 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 29.37ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.7MB in the end (delta: 734.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 353.15ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 66.8MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 22720.82ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 66.6MB in the beginning and 106.4MB in the end (delta: -39.8MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Witness Printer took 177.85ms. Allocated memory is still 176.2MB. Free memory was 106.1MB in the beginning and 99.4MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 20:17:50,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41983250-455a-42e3-b623-afe918b95404/bin/ukojak-verify-EEHR8qb7sm/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