./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51ab4a-aa77-458a-89e9-ce5ea9316b07/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51ab4a-aa77-458a-89e9-ce5ea9316b07/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51ab4a-aa77-458a-89e9-ce5ea9316b07/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51ab4a-aa77-458a-89e9-ce5ea9316b07/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51ab4a-aa77-458a-89e9-ce5ea9316b07/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51ab4a-aa77-458a-89e9-ce5ea9316b07/bin/ukojak-verify-CZk0znPC7b --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 03c4946022d2e6f710dd6221d8af6a4ec932dc09e858917dba12290a0f27caf9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:43:39,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:43:39,988 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51ab4a-aa77-458a-89e9-ce5ea9316b07/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:43:39,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:43:39,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:43:40,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:43:40,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:43:40,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:43:40,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:43:40,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:43:40,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:43:40,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:43:40,013 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:43:40,013 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:43:40,013 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:43:40,013 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:43:40,013 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:43:40,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:43:40,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:43:40,013 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:43:40,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:43:40,013 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:43:40,013 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:43:40,014 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:43:40,014 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:43:40,014 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:43:40,014 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:43:40,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:43:40,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:43:40,014 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:43:40,014 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:43:40,014 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:43:40,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:43:40,014 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_2d51ab4a-aa77-458a-89e9-ce5ea9316b07/bin/ukojak-verify-CZk0znPC7b 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 -> 03c4946022d2e6f710dd6221d8af6a4ec932dc09e858917dba12290a0f27caf9 [2024-12-06 05:43:40,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:43:40,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:43:40,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:43:40,255 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:43:40,255 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:43:40,257 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51ab4a-aa77-458a-89e9-ce5ea9316b07/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound5.c [2024-12-06 05:43:42,914 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51ab4a-aa77-458a-89e9-ce5ea9316b07/bin/ukojak-verify-CZk0znPC7b/data/7d34a060f/c5404fa17e9d485f9931a858c2ffb83c/FLAG4e1f0b6e5 [2024-12-06 05:43:43,071 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:43:43,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51ab4a-aa77-458a-89e9-ce5ea9316b07/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound5.c [2024-12-06 05:43:43,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51ab4a-aa77-458a-89e9-ce5ea9316b07/bin/ukojak-verify-CZk0znPC7b/data/7d34a060f/c5404fa17e9d485f9931a858c2ffb83c/FLAG4e1f0b6e5 [2024-12-06 05:43:43,090 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51ab4a-aa77-458a-89e9-ce5ea9316b07/bin/ukojak-verify-CZk0znPC7b/data/7d34a060f/c5404fa17e9d485f9931a858c2ffb83c [2024-12-06 05:43:43,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:43:43,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:43:43,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:43:43,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:43:43,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:43:43,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:43:43" (1/1) ... [2024-12-06 05:43:43,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@391a7aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:43, skipping insertion in model container [2024-12-06 05:43:43,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:43:43" (1/1) ... [2024-12-06 05:43:43,108 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:43:43,212 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_2d51ab4a-aa77-458a-89e9-ce5ea9316b07/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound5.c[454,467] [2024-12-06 05:43:43,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:43:43,231 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:43:43,238 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_2d51ab4a-aa77-458a-89e9-ce5ea9316b07/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound5.c[454,467] [2024-12-06 05:43:43,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:43:43,252 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:43:43,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:43 WrapperNode [2024-12-06 05:43:43,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:43:43,254 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:43:43,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:43:43,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:43:43,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:43" (1/1) ... [2024-12-06 05:43:43,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:43" (1/1) ... [2024-12-06 05:43:43,275 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-12-06 05:43:43,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:43:43,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:43:43,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:43:43,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:43:43,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:43" (1/1) ... [2024-12-06 05:43:43,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:43" (1/1) ... [2024-12-06 05:43:43,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:43" (1/1) ... [2024-12-06 05:43:43,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:43" (1/1) ... [2024-12-06 05:43:43,284 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:43" (1/1) ... [2024-12-06 05:43:43,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:43" (1/1) ... [2024-12-06 05:43:43,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:43" (1/1) ... [2024-12-06 05:43:43,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:43" (1/1) ... [2024-12-06 05:43:43,289 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:43" (1/1) ... [2024-12-06 05:43:43,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:43:43,291 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:43:43,291 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:43:43,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:43:43,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:43:43" (1/1) ... [2024-12-06 05:43:43,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:43:43,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51ab4a-aa77-458a-89e9-ce5ea9316b07/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:43:43,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51ab4a-aa77-458a-89e9-ce5ea9316b07/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:43:43,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51ab4a-aa77-458a-89e9-ce5ea9316b07/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:43:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:43:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:43:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:43:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:43:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:43:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:43:43,381 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:43:43,383 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:43:43,469 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 05:43:43,469 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:43:43,487 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:43:43,487 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:43:43,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:43:43 BoogieIcfgContainer [2024-12-06 05:43:43,487 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:43:43,488 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:43:43,488 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:43:43,495 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:43:43,495 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:43:43" (1/1) ... [2024-12-06 05:43:43,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:43:43,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:43:43,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-12-06 05:43:43,541 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-12-06 05:43:43,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:43:43,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:43:43,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:43:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:43:43,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:43:43,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:43:43,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 05:43:43,650 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 05:43:43,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:43:43,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:43:43,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:43:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:43:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:43:43,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:43:43,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:43:43,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:43:43,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:43:43,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-06 05:43:43,854 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-06 05:43:43,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:43:43,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:43:43,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:43:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:43:43,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:43:44,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:43:44,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-06 05:43:44,142 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 05:43:44,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 05:43:44,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:43:44,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:43:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:43:44,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:43:44,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:43:44,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-06 05:43:44,665 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-06 05:43:44,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 05:43:44,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:43:44,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:43:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:43:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:43:44,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 05:43:44,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:43:44,787 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:43:44,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:43:44,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2024-12-06 05:43:44,982 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-12-06 05:43:44,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 05:43:44,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:43:44,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:43:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:43:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:43:45,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 05:43:45,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:43:45,148 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 05:43:45,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:43:45,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-12-06 05:43:45,378 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-12-06 05:43:45,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 05:43:45,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:43:45,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:43:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:43:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:43:45,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 05:43:45,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:43:45,539 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 05:43:45,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:43:45,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2024-12-06 05:43:45,824 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2024-12-06 05:43:45,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 05:43:45,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:43:45,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:43:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:43:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:43:45,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 05:43:45,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:43:46,014 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 05:43:46,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:43:46,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 57 transitions. [2024-12-06 05:43:46,333 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2024-12-06 05:43:46,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:43:46,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:43:46,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:43:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:43:46,758 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 51 proven. 14 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 05:43:48,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:43:48,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 58 states and 93 transitions. [2024-12-06 05:43:48,885 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 93 transitions. [2024-12-06 05:43:48,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:43:48,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:43:48,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:43:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:43:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:43:48,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 05:43:48,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:43:49,146 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 05:43:49,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:43:49,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 30 states and 43 transitions. [2024-12-06 05:43:49,999 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-12-06 05:43:49,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 05:43:50,000 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2024-12-06 05:43:50,005 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 05:43:50,306 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 05:43:50,306 INFO L77 FloydHoareUtils]: At program point L27-1(lines 27 36) the Hoare annotation is: (not (and (= |ULTIMATE.start_main_#t~post5#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (< ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0))) [2024-12-06 05:43:50,306 INFO L77 FloydHoareUtils]: At program point L27-2(lines 27 36) the Hoare annotation is: true [2024-12-06 05:43:50,306 INFO L77 FloydHoareUtils]: At program point L27-4(lines 27 36) the Hoare annotation is: true [2024-12-06 05:43:50,306 INFO L77 FloydHoareUtils]: At program point L27-5(lines 27 36) the Hoare annotation is: true [2024-12-06 05:43:50,306 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 05:43:50,306 INFO L77 FloydHoareUtils]: At program point L28(lines 27 36) the Hoare annotation is: (= (* 2 |ULTIMATE.start_main_~x~0#1|) (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-12-06 05:43:50,306 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-12-06 05:43:50,306 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-12-06 05:43:50,306 INFO L77 FloydHoareUtils]: At program point L10(lines 10 13) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-12-06 05:43:50,307 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 05:43:50,307 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-12-06 05:43:50,307 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 05:43:50,307 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-12-06 05:43:50,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:43:50 ImpRootNode [2024-12-06 05:43:50,317 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:43:50,318 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:43:50,318 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:43:50,318 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:43:50,318 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:43:43" (3/4) ... [2024-12-06 05:43:50,320 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 05:43:50,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-06 05:43:50,326 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-12-06 05:43:50,327 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 05:43:50,327 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 05:43:50,327 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 05:43:50,397 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51ab4a-aa77-458a-89e9-ce5ea9316b07/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:43:50,398 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51ab4a-aa77-458a-89e9-ce5ea9316b07/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:43:50,398 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:43:50,399 INFO L158 Benchmark]: Toolchain (without parser) took 7305.76ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 92.7MB in the beginning and 107.2MB in the end (delta: -14.5MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. [2024-12-06 05:43:50,399 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 72.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:43:50,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 159.80ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:43:50,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.47ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:43:50,400 INFO L158 Benchmark]: Boogie Preprocessor took 14.33ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.9MB in the end (delta: 633.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:43:50,400 INFO L158 Benchmark]: RCFGBuilder took 196.78ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 69.8MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:43:50,400 INFO L158 Benchmark]: CodeCheck took 6829.37ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 69.8MB in the beginning and 111.2MB in the end (delta: -41.5MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2024-12-06 05:43:50,401 INFO L158 Benchmark]: Witness Printer took 80.09ms. Allocated memory is still 209.7MB. Free memory was 111.2MB in the beginning and 107.2MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:43:50,402 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 401 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 189 mSDsluCounter, 610 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 382 mSDsCounter, 437 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 922 IncrementalHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 437 mSolverCounterUnsat, 228 mSDtfsCounter, 922 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1792 GetRequests, 1585 SyntacticMatches, 67 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7748 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 807 SizeOfPredicates, 6 NumberOfNonLiveVariables, 585 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 189/337 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 12]: 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: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) Ensures: ((cond != 0) && (counter == \old(counter))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 72.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 159.80ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.47ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.33ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.9MB in the end (delta: 633.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 196.78ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 69.8MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 6829.37ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 69.8MB in the beginning and 111.2MB in the end (delta: -41.5MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * Witness Printer took 80.09ms. Allocated memory is still 209.7MB. Free memory was 111.2MB in the beginning and 107.2MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 05:43:50,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d51ab4a-aa77-458a-89e9-ce5ea9316b07/bin/ukojak-verify-CZk0znPC7b/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