./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i --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_e85c6785-ae52-449c-9450-a1798f49e184/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85c6785-ae52-449c-9450-a1798f49e184/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_e85c6785-ae52-449c-9450-a1798f49e184/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85c6785-ae52-449c-9450-a1798f49e184/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85c6785-ae52-449c-9450-a1798f49e184/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_e85c6785-ae52-449c-9450-a1798f49e184/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 724878768076b8192fcddec982755d081255c76c80e1e283d808e6a7ebb222b9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:34:31,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:34:31,977 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85c6785-ae52-449c-9450-a1798f49e184/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:34:31,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:34:31,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:34:32,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:34:32,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:34:32,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:34:32,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:34:32,004 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:34:32,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:34:32,004 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:34:32,004 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:34:32,004 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:34:32,004 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:34:32,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:34:32,005 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:34:32,005 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:34:32,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:34:32,005 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:34:32,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:34:32,005 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:34:32,005 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:34:32,005 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:34:32,006 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:34:32,006 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:34:32,006 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:34:32,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:34:32,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:34:32,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:34:32,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:34:32,006 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:34:32,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:34:32,007 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_e85c6785-ae52-449c-9450-a1798f49e184/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 -> 724878768076b8192fcddec982755d081255c76c80e1e283d808e6a7ebb222b9 [2024-12-05 23:34:32,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:34:32,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:34:32,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:34:32,271 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:34:32,272 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:34:32,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85c6785-ae52-449c-9450-a1798f49e184/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2024-12-05 23:34:35,569 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85c6785-ae52-449c-9450-a1798f49e184/bin/ukojak-verify-CZk0znPC7b/data/2870d9b9b/0a3235342d794a0bad90b1e43a47d918/FLAG2a2f152dd [2024-12-05 23:34:35,849 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:34:35,850 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85c6785-ae52-449c-9450-a1798f49e184/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2024-12-05 23:34:35,863 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85c6785-ae52-449c-9450-a1798f49e184/bin/ukojak-verify-CZk0znPC7b/data/2870d9b9b/0a3235342d794a0bad90b1e43a47d918/FLAG2a2f152dd [2024-12-05 23:34:35,880 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85c6785-ae52-449c-9450-a1798f49e184/bin/ukojak-verify-CZk0znPC7b/data/2870d9b9b/0a3235342d794a0bad90b1e43a47d918 [2024-12-05 23:34:35,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:34:35,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:34:35,885 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:34:35,885 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:34:35,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:34:35,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:34:35" (1/1) ... [2024-12-05 23:34:35,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550c1bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:35, skipping insertion in model container [2024-12-05 23:34:35,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:34:35" (1/1) ... [2024-12-05 23:34:35,924 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:34:36,227 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_e85c6785-ae52-449c-9450-a1798f49e184/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i[24521,24534] [2024-12-05 23:34:36,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:34:36,242 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:34:36,291 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_e85c6785-ae52-449c-9450-a1798f49e184/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i[24521,24534] [2024-12-05 23:34:36,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:34:36,322 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:34:36,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:36 WrapperNode [2024-12-05 23:34:36,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:34:36,324 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:34:36,324 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:34:36,324 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:34:36,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:36" (1/1) ... [2024-12-05 23:34:36,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:36" (1/1) ... [2024-12-05 23:34:36,360 INFO L138 Inliner]: procedures = 129, calls = 33, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 135 [2024-12-05 23:34:36,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:34:36,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:34:36,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:34:36,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:34:36,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:36" (1/1) ... [2024-12-05 23:34:36,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:36" (1/1) ... [2024-12-05 23:34:36,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:36" (1/1) ... [2024-12-05 23:34:36,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:36" (1/1) ... [2024-12-05 23:34:36,375 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:36" (1/1) ... [2024-12-05 23:34:36,375 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:36" (1/1) ... [2024-12-05 23:34:36,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:36" (1/1) ... [2024-12-05 23:34:36,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:36" (1/1) ... [2024-12-05 23:34:36,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:36" (1/1) ... [2024-12-05 23:34:36,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:34:36,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:34:36,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:34:36,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:34:36,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:36" (1/1) ... [2024-12-05 23:34:36,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:34:36,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85c6785-ae52-449c-9450-a1798f49e184/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:34:36,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85c6785-ae52-449c-9450-a1798f49e184/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:34:36,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85c6785-ae52-449c-9450-a1798f49e184/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:34:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2024-12-05 23:34:36,440 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2024-12-05 23:34:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 23:34:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure _get_nondet_int [2024-12-05 23:34:36,441 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_nondet_int [2024-12-05 23:34:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:34:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 23:34:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 23:34:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 23:34:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 23:34:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 23:34:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:34:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:34:36,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:34:36,548 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:34:36,550 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:34:36,571 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2024-12-05 23:34:36,790 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2024-12-05 23:34:36,790 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:34:36,857 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:34:36,857 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-05 23:34:36,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:34:36 BoogieIcfgContainer [2024-12-05 23:34:36,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:34:36,858 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:34:36,858 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:34:36,870 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:34:36,870 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:34:36" (1/1) ... [2024-12-05 23:34:36,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:34:36,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:34:36,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 36 states and 50 transitions. [2024-12-05 23:34:36,932 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2024-12-05 23:34:36,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:34:36,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:34:36,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:34:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:34:37,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:34:37,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:34:37,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2024-12-05 23:34:37,109 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2024-12-05 23:34:37,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 23:34:37,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:34:37,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:34:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:34:37,403 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:34:37,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:34:37,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 43 states and 58 transitions. [2024-12-05 23:34:37,545 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2024-12-05 23:34:37,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 23:34:37,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:34:37,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:34:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:34:37,872 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:34:38,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:34:38,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 45 states and 61 transitions. [2024-12-05 23:34:38,499 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2024-12-05 23:34:38,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:34:38,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:34:38,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:34:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:34:38,728 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-05 23:34:39,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:34:39,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 48 states and 67 transitions. [2024-12-05 23:34:39,276 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2024-12-05 23:34:39,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 23:34:39,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:34:39,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:34:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:34:39,530 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:34:40,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:34:40,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 72 transitions. [2024-12-05 23:34:40,307 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2024-12-05 23:34:40,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:34:40,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:34:40,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:34:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:34:40,656 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:34:41,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:34:41,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 71 transitions. [2024-12-05 23:34:41,015 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2024-12-05 23:34:41,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 23:34:41,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:34:41,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:34:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:34:41,393 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-05 23:34:43,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:34:43,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 56 states and 78 transitions. [2024-12-05 23:34:43,061 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2024-12-05 23:34:43,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 23:34:43,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:34:43,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:34:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:34:44,024 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-05 23:34:48,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:34:48,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 112 transitions. [2024-12-05 23:34:48,099 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 112 transitions. [2024-12-05 23:34:48,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 23:34:48,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:34:48,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:34:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:34:49,630 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-05 23:34:56,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:34:56,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 93 states and 139 transitions. [2024-12-05 23:34:56,778 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 139 transitions. [2024-12-05 23:34:56,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 23:34:56,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:34:56,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:34:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:34:57,228 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-05 23:34:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:34:58,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 95 states and 142 transitions. [2024-12-05 23:34:58,223 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 142 transitions. [2024-12-05 23:34:58,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 23:34:58,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:34:58,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:34:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:34:58,362 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:34:59,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:34:59,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 99 states and 147 transitions. [2024-12-05 23:34:59,692 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 147 transitions. [2024-12-05 23:34:59,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 23:34:59,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:34:59,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:34:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:34:59,711 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:34:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:34:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:34:59,815 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:34:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:34:59,934 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2024-12-05 23:34:59,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:34:59 ImpRootNode [2024-12-05 23:34:59,970 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:34:59,971 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:34:59,971 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:34:59,971 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:34:59,972 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:34:36" (3/4) ... [2024-12-05 23:34:59,972 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 23:35:00,016 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 22. [2024-12-05 23:35:00,070 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85c6785-ae52-449c-9450-a1798f49e184/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:35:00,071 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85c6785-ae52-449c-9450-a1798f49e184/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:35:00,071 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:35:00,072 INFO L158 Benchmark]: Toolchain (without parser) took 24187.98ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 115.8MB in the beginning and 258.4MB in the end (delta: -142.6MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2024-12-05 23:35:00,072 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:35:00,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.48ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 97.6MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:35:00,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.13ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 95.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:35:00,073 INFO L158 Benchmark]: Boogie Preprocessor took 21.51ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 94.3MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:35:00,073 INFO L158 Benchmark]: RCFGBuilder took 474.96ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 73.0MB in the end (delta: 21.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:35:00,074 INFO L158 Benchmark]: CodeCheck took 23111.98ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 72.8MB in the beginning and 261.7MB in the end (delta: -188.9MB). Peak memory consumption was 144.3MB. Max. memory is 16.1GB. [2024-12-05 23:35:00,074 INFO L158 Benchmark]: Witness Printer took 100.28ms. Allocated memory is still 310.4MB. Free memory was 261.7MB in the beginning and 258.4MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:35:00,076 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, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.0s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 961 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 332 mSDsluCounter, 534 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 194 mSDsCounter, 772 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2397 IncrementalHoareTripleChecker+Invalid, 3169 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 772 mSolverCounterUnsat, 340 mSDtfsCounter, 2397 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2675 GetRequests, 2363 SyntacticMatches, 36 SemanticMatches, 276 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27692 ImplicationChecksByTransitivity, 19.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 367 NumberOfCodeBlocks, 367 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 1949 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 57/133 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 - CounterExampleResult [Line: 641]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L627] CALL, EXPR _get_nondet_int(2, 5) VAL [\old(from)=2, \old(until)=5] [L620] int len = from; VAL [\old(from)=2, \old(until)=5, len=2, until=5] [L621] len < until && __VERIFIER_nondet_int() [L621] len < until && __VERIFIER_nondet_int() VAL [\old(from)=2, \old(until)=5, len=2, until=5] [L621] COND FALSE !(len < until && __VERIFIER_nondet_int()) [L624] return len; [L627] RET, EXPR _get_nondet_int(2, 5) [L627] const int len = _get_nondet_int(2, 5); [L628] SLL s = sll_create(len); [L628] CALL, EXPR sll_create(len) [L575] SLL head = ((void *)0); VAL [head={0:0}, len=2] [L576] EXPR len-- VAL [head={0:0}, len=1] [L576] COND TRUE len-- > 0 [L577] SLL new_head = (SLL) malloc(sizeof(struct node)); [L578] COND FALSE !(((void *)0) == new_head) VAL [head={0:0}, len=1, new_head={-2:0}] [L581] new_head->next = head [L582] head = new_head [L576] EXPR len-- VAL [head={-2:0}, len=0] [L576] COND TRUE len-- > 0 [L577] SLL new_head = (SLL) malloc(sizeof(struct node)); [L578] COND FALSE !(((void *)0) == new_head) VAL [head={-2:0}, len=0, new_head={-1:0}] [L581] new_head->next = head [L582] head = new_head [L576] EXPR len-- VAL [head={-1:0}, len=-1] [L576] COND FALSE !(len-- > 0) [L584] return head; [L628] RET, EXPR sll_create(len) [L628] SLL s = sll_create(len); [L629] CALL, EXPR _get_nondet_int(0, len - 1) VAL [\old(from)=0, \old(until)=1] [L620] int len = from; VAL [\old(from)=0, \old(until)=1, len=0, until=1] [L621] len < until && __VERIFIER_nondet_int() [L621] len < until && __VERIFIER_nondet_int() VAL [\old(from)=0, \old(until)=1, len=0, until=1] [L621] COND TRUE len < until && __VERIFIER_nondet_int() [L622] len++ VAL [\old(from)=0, \old(until)=1, len=1, until=1] [L621] len < until && __VERIFIER_nondet_int() VAL [\old(from)=0, \old(until)=1, len=1, until=1] [L621] COND FALSE !(len < until && __VERIFIER_nondet_int()) [L624] return len; [L629] RET, EXPR _get_nondet_int(0, len - 1) VAL [len=2, s={29687:0}] [L629] const int k = _get_nondet_int(0, len - 1); [L630] int i = 0; VAL [i=0, k=1, len=2, s={29687:0}] [L631] i < k && __VERIFIER_nondet_int() [L631] i < k && __VERIFIER_nondet_int() VAL [i=0, k=1, len=2, s={29687:0}] [L631] COND FALSE !(i < k && __VERIFIER_nondet_int()) [L636] EXPR \read(s) [L636] CALL, EXPR sll_length(s) [L587] int len = 0; VAL [head={-1:0}, len=0] [L588] COND TRUE \read(head) [L589] len++ [L590] EXPR head->next [L590] head = head->next [L588] COND TRUE \read(head) [L589] len++ [L590] EXPR head->next [L590] head = head->next [L588] COND FALSE !(\read(head)) [L592] return len; [L636] RET, EXPR sll_length(s) [L636] COND TRUE k + len != sll_length(s) [L641] reach_error() VAL [i=0, s={29687:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.48ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 97.6MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.13ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 95.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.51ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 94.3MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 474.96ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 73.0MB in the end (delta: 21.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 23111.98ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 72.8MB in the beginning and 261.7MB in the end (delta: -188.9MB). Peak memory consumption was 144.3MB. Max. memory is 16.1GB. * Witness Printer took 100.28ms. Allocated memory is still 310.4MB. Free memory was 261.7MB in the beginning and 258.4MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 23:35:00,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85c6785-ae52-449c-9450-a1798f49e184/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE