./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdaea30e-556c-4d3b-a2dd-ab23133f0afa/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdaea30e-556c-4d3b-a2dd-ab23133f0afa/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_fdaea30e-556c-4d3b-a2dd-ab23133f0afa/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdaea30e-556c-4d3b-a2dd-ab23133f0afa/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdaea30e-556c-4d3b-a2dd-ab23133f0afa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdaea30e-556c-4d3b-a2dd-ab23133f0afa/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 14cb0b0179e79f0e2d385464cbe440f1c78ee76831b4c47fbbc7c2a57322304c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:23:57,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:23:58,028 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdaea30e-556c-4d3b-a2dd-ab23133f0afa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-12-06 00:23:58,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:23:58,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:23:58,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:23:58,050 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:23:58,050 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:23:58,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:23:58,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:23:58,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:23:58,050 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 00:23:58,050 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 00:23:58,051 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 00:23:58,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:23:58,051 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:23:58,051 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:23:58,051 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:23:58,051 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:23:58,051 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:23:58,051 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:23:58,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:23:58,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:23:58,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:23:58,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:23:58,052 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:23:58,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:23:58,052 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_fdaea30e-556c-4d3b-a2dd-ab23133f0afa/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14cb0b0179e79f0e2d385464cbe440f1c78ee76831b4c47fbbc7c2a57322304c [2024-12-06 00:23:58,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:23:58,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:23:58,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:23:58,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:23:58,258 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:23:58,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdaea30e-556c-4d3b-a2dd-ab23133f0afa/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point.cil.out.i [2024-12-06 00:24:00,868 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdaea30e-556c-4d3b-a2dd-ab23133f0afa/bin/ukojak-verify-CZk0znPC7b/data/2eaec814d/878a5f334f0f476390c7d4a798cf6a97/FLAG9bb809ac2 [2024-12-06 00:24:01,154 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:24:01,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdaea30e-556c-4d3b-a2dd-ab23133f0afa/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point.cil.out.i [2024-12-06 00:24:01,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdaea30e-556c-4d3b-a2dd-ab23133f0afa/bin/ukojak-verify-CZk0znPC7b/data/2eaec814d/878a5f334f0f476390c7d4a798cf6a97/FLAG9bb809ac2 [2024-12-06 00:24:01,436 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdaea30e-556c-4d3b-a2dd-ab23133f0afa/bin/ukojak-verify-CZk0znPC7b/data/2eaec814d/878a5f334f0f476390c7d4a798cf6a97 [2024-12-06 00:24:01,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:24:01,439 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:24:01,440 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:24:01,440 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:24:01,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:24:01,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:24:01" (1/1) ... [2024-12-06 00:24:01,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5779d486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:01, skipping insertion in model container [2024-12-06 00:24:01,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:24:01" (1/1) ... [2024-12-06 00:24:01,480 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:24:01,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:24:01,859 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:24:01,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:24:01,993 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:24:01,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:01 WrapperNode [2024-12-06 00:24:01,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:24:01,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:24:01,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:24:01,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:24:02,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:01" (1/1) ... [2024-12-06 00:24:02,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:01" (1/1) ... [2024-12-06 00:24:02,077 INFO L138 Inliner]: procedures = 79, calls = 168, calls flagged for inlining = 78, calls inlined = 87, statements flattened = 853 [2024-12-06 00:24:02,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:24:02,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:24:02,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:24:02,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:24:02,087 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:01" (1/1) ... [2024-12-06 00:24:02,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:01" (1/1) ... [2024-12-06 00:24:02,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:01" (1/1) ... [2024-12-06 00:24:02,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:01" (1/1) ... [2024-12-06 00:24:02,126 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:01" (1/1) ... [2024-12-06 00:24:02,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:01" (1/1) ... [2024-12-06 00:24:02,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:01" (1/1) ... [2024-12-06 00:24:02,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:01" (1/1) ... [2024-12-06 00:24:02,141 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:01" (1/1) ... [2024-12-06 00:24:02,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:24:02,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:24:02,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:24:02,150 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:24:02,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:01" (1/1) ... [2024-12-06 00:24:02,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:24:02,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdaea30e-556c-4d3b-a2dd-ab23133f0afa/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:24:02,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdaea30e-556c-4d3b-a2dd-ab23133f0afa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:24:02,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdaea30e-556c-4d3b-a2dd-ab23133f0afa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:24:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:24:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-06 00:24:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:24:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 00:24:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-12-06 00:24:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:24:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 00:24:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:24:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:24:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:24:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:24:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:24:02,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:24:02,400 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:24:02,401 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:24:06,427 INFO L? ?]: Removed 635 outVars from TransFormulas that were not future-live. [2024-12-06 00:24:06,427 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:24:06,835 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:24:06,836 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:24:06,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:24:06 BoogieIcfgContainer [2024-12-06 00:24:06,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:24:06,837 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:24:06,837 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:24:06,849 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:24:06,849 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:24:06" (1/1) ... [2024-12-06 00:24:06,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:24:06,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:06,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 144 states and 180 transitions. [2024-12-06 00:24:06,920 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 180 transitions. [2024-12-06 00:24:06,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:24:06,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:06,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:24:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:07,327 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 00:24:09,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:24:09,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:09,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 147 states and 193 transitions. [2024-12-06 00:24:09,077 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 193 transitions. [2024-12-06 00:24:09,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:24:09,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:09,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:24:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:09,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:24:12,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:24:12,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:12,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 153 states and 212 transitions. [2024-12-06 00:24:12,644 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 212 transitions. [2024-12-06 00:24:12,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 00:24:12,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:12,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:24:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:12,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:24:12,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:12,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 153 states and 209 transitions. [2024-12-06 00:24:12,846 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 209 transitions. [2024-12-06 00:24:12,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 00:24:12,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:12,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:24:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:13,175 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 00:24:15,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:24:16,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:16,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 163 states and 236 transitions. [2024-12-06 00:24:16,111 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 236 transitions. [2024-12-06 00:24:16,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:24:16,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:16,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:24:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:16,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:24:16,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:16,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 164 states and 236 transitions. [2024-12-06 00:24:16,268 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 236 transitions. [2024-12-06 00:24:16,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:24:16,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:16,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:24:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:16,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:24:16,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:16,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 168 states and 242 transitions. [2024-12-06 00:24:16,486 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 242 transitions. [2024-12-06 00:24:16,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 00:24:16,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:16,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:24:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:16,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:24:16,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:16,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 169 states and 242 transitions. [2024-12-06 00:24:16,679 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 242 transitions. [2024-12-06 00:24:16,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 00:24:16,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:16,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:24:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:16,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:24:16,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:16,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 171 states and 244 transitions. [2024-12-06 00:24:16,834 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 244 transitions. [2024-12-06 00:24:16,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 00:24:16,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:16,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:24:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:16,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:24:16,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:16,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 171 states and 240 transitions. [2024-12-06 00:24:16,996 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 240 transitions. [2024-12-06 00:24:16,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 00:24:16,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:16,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:24:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:24:17,088 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:24:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:24:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:24:20,021 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:24:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:24:24,778 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2024-12-06 00:24:24,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:24:24 ImpRootNode [2024-12-06 00:24:24,813 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:24:24,813 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:24:24,813 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:24:24,813 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:24:24,814 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:24:06" (3/4) ... [2024-12-06 00:24:24,814 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 00:24:24,857 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 11. [2024-12-06 00:24:24,896 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdaea30e-556c-4d3b-a2dd-ab23133f0afa/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:24:24,896 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdaea30e-556c-4d3b-a2dd-ab23133f0afa/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:24:24,896 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:24:24,897 INFO L158 Benchmark]: Toolchain (without parser) took 23457.31ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 90.8MB in the beginning and 108.1MB in the end (delta: -17.3MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2024-12-06 00:24:24,897 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:24:24,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 553.39ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 61.5MB in the end (delta: 29.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:24:24,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.93ms. Allocated memory is still 117.4MB. Free memory was 61.3MB in the beginning and 55.8MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:24:24,898 INFO L158 Benchmark]: Boogie Preprocessor took 70.94ms. Allocated memory is still 117.4MB. Free memory was 55.8MB in the beginning and 51.1MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:24:24,898 INFO L158 Benchmark]: RCFGBuilder took 4686.96ms. Allocated memory is still 117.4MB. Free memory was 51.1MB in the beginning and 51.8MB in the end (delta: -738.0kB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2024-12-06 00:24:24,899 INFO L158 Benchmark]: CodeCheck took 17975.35ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 51.8MB in the beginning and 114.2MB in the end (delta: -62.4MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2024-12-06 00:24:24,899 INFO L158 Benchmark]: Witness Printer took 82.90ms. Allocated memory is still 201.3MB. Free memory was 114.2MB in the beginning and 108.1MB in the end (delta: 6.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:24:24,900 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 1 procedures, 144 locations, 58 error locations. Started 1 CEGAR loops. OverallTime: 17.9s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 576 SdHoareTripleChecker+Valid, 57.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 343 mSDsluCounter, 730 SdHoareTripleChecker+Invalid, 57.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 495 mSDsCounter, 178 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 807 IncrementalHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 178 mSolverCounterUnsat, 235 mSDtfsCounter, 807 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1172 GetRequests, 1142 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 218 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 12/12 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: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L883] int ldv_state_variable_1 ; [L884] struct platform_device *s3c_hwmon_driver_group0 ; [L885] int LDV_IN_INTERRUPT = 1; [L886] int ref_cnt ; [L887] int ldv_state_variable_0 ; [L1170-L1172] static struct platform_driver s3c_hwmon_driver = {& s3c_hwmon_probe, & s3c_hwmon_remove, 0, 0, 0, {"s3c-hwmon", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}; [L1188] int ldv_retval_0 ; [L1189] int ldv_retval_1 ; [L1366] int ldv_count_1 = 0; [L1367] int ldv_count_2 = 0; [L1375] int ldv_call_dev_attr_of_sensor_device_attribute = 0; [L1203] int tmp ; [L1204] int tmp___0 ; [L1205] int tmp___1 ; [L1207] FCALL ldv_initialize() [L1208] ldv_state_variable_1 = 0 [L1209] ref_cnt = 0 [L1210] ldv_state_variable_0 = 1 VAL [LDV_IN_INTERRUPT=1, __this_module={35:61}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, s3c_hwmon_driver={16:0}, s3c_hwmon_driver_group0={0:0}] [L1212] tmp = __VERIFIER_nondet_int() [L1214] case 0: [L1244] case 1: [L1246] tmp___1 = __VERIFIER_nondet_int() [L1248] case 0: VAL [LDV_IN_INTERRUPT=1, __this_module={35:61}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, s3c_hwmon_driver={16:0}, s3c_hwmon_driver_group0={0:0}, tmp___1=1] [L1244] case 1: [L1256] case 1: VAL [LDV_IN_INTERRUPT=1, __this_module={35:61}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, s3c_hwmon_driver={16:0}, s3c_hwmon_driver_group0={0:0}] [L1244] case 1: [L1258] CALL, EXPR s3c_hwmon_init() [L1175] int tmp ; [L1177] CALL, EXPR platform_driver_register(& s3c_hwmon_driver) [L1441] return __VERIFIER_nondet_int(); [L1177] RET, EXPR platform_driver_register(& s3c_hwmon_driver) [L1177] tmp = platform_driver_register(& s3c_hwmon_driver) [L1178] return (tmp); [L1258] RET, EXPR s3c_hwmon_init() [L1258] ldv_retval_1 = s3c_hwmon_init() [L1244] case 1: [L1260] ldv_state_variable_0 = 3 [L1261] ldv_state_variable_1 = 1 [L1262] CALL ldv_initialize_platform_driver_1() [L1194] void *tmp ; [L1196] CALL, EXPR ldv_zalloc(624U) [L824] void *p ; [L825] void *tmp ; [L826] int tmp___0 ; [L828] tmp___0 = __VERIFIER_nondet_int() [L829] COND TRUE tmp___0 != 0 [L830] return (0); [L1196] RET, EXPR ldv_zalloc(624U) [L1196] tmp = ldv_zalloc(624U) [L1197] s3c_hwmon_driver_group0 = (struct platform_device *)tmp [L1262] RET ldv_initialize_platform_driver_1() [L1244] case 1: VAL [LDV_IN_INTERRUPT=1, __this_module={35:61}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, s3c_hwmon_driver={16:0}, s3c_hwmon_driver_group0={0:0}] [L1212] tmp = __VERIFIER_nondet_int() [L1214] case 0: [L1216] tmp___0 = __VERIFIER_nondet_int() [L1218] case 0: VAL [LDV_IN_INTERRUPT=1, __this_module={35:61}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, s3c_hwmon_driver={16:0}, s3c_hwmon_driver_group0={0:0}, tmp=0, tmp___0=0] [L1214] case 0: [L1220] CALL s3c_hwmon_probe(s3c_hwmon_driver_group0) [L1040] struct s3c_hwmon_pdata *pdata ; [L1041] struct s3c_hwmon *hwmon ; [L1042] int ret ; [L1043] int i ; [L1044] void *tmp ; [L1045] struct lock_class_key __key ; [L1046] long tmp___0 ; [L1047] long tmp___1 ; [L1048] long tmp___2 ; [L1049] long tmp___3 ; [L1050] struct s3c_hwmon_chcfg *cfg ; VAL [LDV_IN_INTERRUPT=1, __key={19748:0}, __this_module={35:61}, dev={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, s3c_hwmon_driver={16:0}, s3c_hwmon_driver_group0={0:0}] [L1052] dev->dev.platform_data * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 553.39ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 61.5MB in the end (delta: 29.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.93ms. Allocated memory is still 117.4MB. Free memory was 61.3MB in the beginning and 55.8MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 70.94ms. Allocated memory is still 117.4MB. Free memory was 55.8MB in the beginning and 51.1MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4686.96ms. Allocated memory is still 117.4MB. Free memory was 51.1MB in the beginning and 51.8MB in the end (delta: -738.0kB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * CodeCheck took 17975.35ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 51.8MB in the beginning and 114.2MB in the end (delta: -62.4MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * Witness Printer took 82.90ms. Allocated memory is still 201.3MB. Free memory was 114.2MB in the beginning and 108.1MB in the end (delta: 6.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 00:24:24,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdaea30e-556c-4d3b-a2dd-ab23133f0afa/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(valid-deref)