./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d486f8c7-a34d-4ffd-b0e2-3d0bf85ae101/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d486f8c7-a34d-4ffd-b0e2-3d0bf85ae101/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d486f8c7-a34d-4ffd-b0e2-3d0bf85ae101/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d486f8c7-a34d-4ffd-b0e2-3d0bf85ae101/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d486f8c7-a34d-4ffd-b0e2-3d0bf85ae101/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d486f8c7-a34d-4ffd-b0e2-3d0bf85ae101/bin/ukojak-verify-G8NBE6pJGL --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 1870b8451d4735c7264ac4337bbb2c1eeecb277125949d2d6e57edbf68a24fac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:08:21,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:08:21,650 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d486f8c7-a34d-4ffd-b0e2-3d0bf85ae101/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:08:21,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:08:21,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:08:21,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:08:21,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:08:21,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:08:21,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:08:21,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:08:21,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:08:21,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:08:21,699 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:08:21,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:08:21,700 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:08:21,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:08:21,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:08:21,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:08:21,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:08:21,703 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:08:21,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:08:21,704 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:08:21,704 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:08:21,705 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:08:21,705 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:08:21,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:08:21,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:21,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:08:21,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:08:21,708 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:08:21,709 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:08:21,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:08:21,710 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:08:21,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d486f8c7-a34d-4ffd-b0e2-3d0bf85ae101/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d486f8c7-a34d-4ffd-b0e2-3d0bf85ae101/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1870b8451d4735c7264ac4337bbb2c1eeecb277125949d2d6e57edbf68a24fac [2023-11-19 03:08:21,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:08:22,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:08:22,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:08:22,035 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:08:22,035 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:08:22,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d486f8c7-a34d-4ffd-b0e2-3d0bf85ae101/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c [2023-11-19 03:08:25,139 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:08:25,315 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:08:25,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d486f8c7-a34d-4ffd-b0e2-3d0bf85ae101/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c [2023-11-19 03:08:25,323 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d486f8c7-a34d-4ffd-b0e2-3d0bf85ae101/bin/ukojak-verify-G8NBE6pJGL/data/4e1039549/8fc4843c4e054277a278e34fa03e9239/FLAGac7121511 [2023-11-19 03:08:25,337 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d486f8c7-a34d-4ffd-b0e2-3d0bf85ae101/bin/ukojak-verify-G8NBE6pJGL/data/4e1039549/8fc4843c4e054277a278e34fa03e9239 [2023-11-19 03:08:25,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:08:25,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:08:25,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:25,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:08:25,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:08:25,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:25" (1/1) ... [2023-11-19 03:08:25,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55387070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:25, skipping insertion in model container [2023-11-19 03:08:25,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:25" (1/1) ... [2023-11-19 03:08:25,370 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:08:25,525 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d486f8c7-a34d-4ffd-b0e2-3d0bf85ae101/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c[520,533] [2023-11-19 03:08:25,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:25,553 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:08:25,563 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d486f8c7-a34d-4ffd-b0e2-3d0bf85ae101/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c[520,533] [2023-11-19 03:08:25,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:25,584 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:08:25,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:25 WrapperNode [2023-11-19 03:08:25,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:25,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:25,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:08:25,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:08:25,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:25" (1/1) ... [2023-11-19 03:08:25,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:25" (1/1) ... [2023-11-19 03:08:25,618 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2023-11-19 03:08:25,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:25,619 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:08:25,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:08:25,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:08:25,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:25" (1/1) ... [2023-11-19 03:08:25,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:25" (1/1) ... [2023-11-19 03:08:25,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:25" (1/1) ... [2023-11-19 03:08:25,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:25" (1/1) ... [2023-11-19 03:08:25,633 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:25" (1/1) ... [2023-11-19 03:08:25,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:25" (1/1) ... [2023-11-19 03:08:25,637 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:25" (1/1) ... [2023-11-19 03:08:25,638 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:25" (1/1) ... [2023-11-19 03:08:25,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:08:25,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:08:25,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:08:25,646 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:08:25,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:25" (1/1) ... [2023-11-19 03:08:25,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:25,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d486f8c7-a34d-4ffd-b0e2-3d0bf85ae101/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:08:25,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d486f8c7-a34d-4ffd-b0e2-3d0bf85ae101/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:08:25,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d486f8c7-a34d-4ffd-b0e2-3d0bf85ae101/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:08:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:08:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:08:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:08:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:08:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:08:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:08:25,829 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:08:25,834 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:08:26,053 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:08:26,090 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:08:26,090 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:08:26,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:26 BoogieIcfgContainer [2023-11-19 03:08:26,096 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:08:26,097 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:08:26,097 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:08:26,108 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:08:26,108 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:26" (1/1) ... [2023-11-19 03:08:26,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:08:26,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:26,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2023-11-19 03:08:26,174 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2023-11-19 03:08:26,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:08:26,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:26,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:26,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:26,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:26,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-19 03:08:26,336 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-19 03:08:26,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:08:26,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:26,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:26,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:26,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:26,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-11-19 03:08:26,547 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-11-19 03:08:26,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:08:26,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:26,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:26,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:27,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:27,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 38 transitions. [2023-11-19 03:08:27,104 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2023-11-19 03:08:27,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:08:27,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:27,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:27,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:08:27,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:27,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:27,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:27,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 46 transitions. [2023-11-19 03:08:27,908 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-19 03:08:27,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:08:27,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:27,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:27,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:08:27,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:28,059 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:08:28,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:28,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 49 transitions. [2023-11-19 03:08:28,218 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2023-11-19 03:08:28,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:08:28,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:28,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:28,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:08:28,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:28,382 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:08:28,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:28,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 58 transitions. [2023-11-19 03:08:28,533 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2023-11-19 03:08:28,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:08:28,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:28,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:28,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:08:28,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:28,697 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:08:29,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:29,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 64 transitions. [2023-11-19 03:08:29,090 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2023-11-19 03:08:29,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:08:29,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:29,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:29,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:08:29,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:29,172 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:08:29,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:29,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 39 states and 73 transitions. [2023-11-19 03:08:29,310 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2023-11-19 03:08:29,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:08:29,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:29,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:29,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:08:29,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:29,476 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:08:30,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:30,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 47 states and 110 transitions. [2023-11-19 03:08:30,402 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 110 transitions. [2023-11-19 03:08:30,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:08:30,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:30,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:30,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:08:30,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:30,707 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:08:31,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:31,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 51 states and 124 transitions. [2023-11-19 03:08:31,453 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 124 transitions. [2023-11-19 03:08:31,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:08:31,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:31,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:31,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:08:31,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:31,529 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:08:31,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:31,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 28 states and 44 transitions. [2023-11-19 03:08:31,938 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2023-11-19 03:08:31,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:08:31,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:31,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:31,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:08:31,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:32,020 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:08:32,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:32,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 29 states and 48 transitions. [2023-11-19 03:08:32,099 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2023-11-19 03:08:32,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:08:32,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:32,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:32,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:08:32,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:32,235 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:08:32,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:32,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 25 states and 44 transitions. [2023-11-19 03:08:32,578 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 44 transitions. [2023-11-19 03:08:32,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:08:32,580 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2023-11-19 03:08:32,588 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:08:32,714 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:08:32,718 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:08:32,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:08:32 ImpRootNode [2023-11-19 03:08:32,718 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:08:32,719 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:08:32,719 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:08:32,719 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:08:32,720 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:26" (3/4) ... [2023-11-19 03:08:32,722 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:08:32,726 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 03:08:32,729 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 03:08:32,730 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 03:08:32,730 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:08:32,730 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:08:32,815 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d486f8c7-a34d-4ffd-b0e2-3d0bf85ae101/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:08:32,815 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d486f8c7-a34d-4ffd-b0e2-3d0bf85ae101/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:08:32,816 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:08:32,817 INFO L158 Benchmark]: Toolchain (without parser) took 7475.13ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 92.0MB in the beginning and 148.8MB in the end (delta: -56.8MB). Peak memory consumption was 896.5kB. Max. memory is 16.1GB. [2023-11-19 03:08:32,817 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory was 105.4MB in the beginning and 105.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:08:32,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.85ms. Allocated memory is still 136.3MB. Free memory was 91.5MB in the beginning and 81.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:08:32,818 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.96ms. Allocated memory is still 136.3MB. Free memory was 81.0MB in the beginning and 79.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:08:32,819 INFO L158 Benchmark]: Boogie Preprocessor took 21.16ms. Allocated memory is still 136.3MB. Free memory was 79.6MB in the beginning and 78.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:08:32,819 INFO L158 Benchmark]: RCFGBuilder took 454.91ms. Allocated memory is still 136.3MB. Free memory was 78.5MB in the beginning and 67.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:08:32,820 INFO L158 Benchmark]: CodeCheck took 6621.99ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 67.5MB in the beginning and 153.0MB in the end (delta: -85.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:08:32,820 INFO L158 Benchmark]: Witness Printer took 96.87ms. Allocated memory is still 190.8MB. Free memory was 153.0MB in the beginning and 148.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:08:32,823 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, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 594 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 153 mSDsluCounter, 591 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 64 mSDsCounter, 578 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1938 IncrementalHoareTripleChecker+Invalid, 2516 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 578 mSolverCounterUnsat, 527 mSDtfsCounter, 1938 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2516 GetRequests, 2318 SyntacticMatches, 88 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5354 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 283 NumberOfCodeBlocks, 283 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 270 ConstructedInterpolants, 0 QuantifiedInterpolants, 830 SizeOfPredicates, 11 NumberOfNonLiveVariables, 828 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 280/288 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: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory was 105.4MB in the beginning and 105.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.85ms. Allocated memory is still 136.3MB. Free memory was 91.5MB in the beginning and 81.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.96ms. Allocated memory is still 136.3MB. Free memory was 81.0MB in the beginning and 79.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.16ms. Allocated memory is still 136.3MB. Free memory was 79.6MB in the beginning and 78.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 454.91ms. Allocated memory is still 136.3MB. Free memory was 78.5MB in the beginning and 67.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 6621.99ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 67.5MB in the beginning and 153.0MB in the end (delta: -85.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 96.87ms. Allocated memory is still 190.8MB. Free memory was 153.0MB in the beginning and 148.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:08:32,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d486f8c7-a34d-4ffd-b0e2-3d0bf85ae101/bin/ukojak-verify-G8NBE6pJGL/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