./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fe6070-bcd9-4ccc-84c6-dad83718ff88/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fe6070-bcd9-4ccc-84c6-dad83718ff88/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fe6070-bcd9-4ccc-84c6-dad83718ff88/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fe6070-bcd9-4ccc-84c6-dad83718ff88/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fe6070-bcd9-4ccc-84c6-dad83718ff88/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fe6070-bcd9-4ccc-84c6-dad83718ff88/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4bb6c46a4de77c33ebd5db0d25fe513601ef52929336922ed8d1cb2e429dd77c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:14:31,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:14:31,971 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fe6070-bcd9-4ccc-84c6-dad83718ff88/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2024-11-13 23:14:31,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:14:31,978 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:14:32,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:14:32,008 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:14:32,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:14:32,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:14:32,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:14:32,009 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:14:32,009 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:14:32,009 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:14:32,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:14:32,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:14:32,013 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 23:14:32,013 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 23:14:32,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:14:32,014 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:14:32,014 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:14:32,014 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:14:32,014 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:14:32,014 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:14:32,014 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:14:32,014 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:14:32,015 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:14:32,015 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:14:32,015 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:14:32,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:14:32,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:14:32,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:14:32,015 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:14:32,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:14:32,016 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_f7fe6070-bcd9-4ccc-84c6-dad83718ff88/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) 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 -> 4bb6c46a4de77c33ebd5db0d25fe513601ef52929336922ed8d1cb2e429dd77c [2024-11-13 23:14:32,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:14:32,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:14:32,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:14:32,420 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:14:32,422 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:14:32,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fe6070-bcd9-4ccc-84c6-dad83718ff88/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i Unable to find full path for "g++" [2024-11-13 23:14:34,473 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:14:34,920 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:14:34,921 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fe6070-bcd9-4ccc-84c6-dad83718ff88/sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i [2024-11-13 23:14:34,939 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fe6070-bcd9-4ccc-84c6-dad83718ff88/bin/ukojak-verify-EEHR8qb7sm/data/49fcfc372/8c74f8f0d3694f379bde6a74bdfaec4a/FLAG9f6807d17 [2024-11-13 23:14:34,960 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fe6070-bcd9-4ccc-84c6-dad83718ff88/bin/ukojak-verify-EEHR8qb7sm/data/49fcfc372/8c74f8f0d3694f379bde6a74bdfaec4a [2024-11-13 23:14:34,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:14:34,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:14:34,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:14:34,968 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:14:34,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:14:34,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:14:34" (1/1) ... [2024-11-13 23:14:34,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6edac982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:34, skipping insertion in model container [2024-11-13 23:14:34,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:14:34" (1/1) ... [2024-11-13 23:14:35,018 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:14:35,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:14:35,577 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:14:35,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:14:35,727 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:14:35,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35 WrapperNode [2024-11-13 23:14:35,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:14:35,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:14:35,731 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:14:35,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:14:35,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35" (1/1) ... [2024-11-13 23:14:35,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35" (1/1) ... [2024-11-13 23:14:35,780 INFO L138 Inliner]: procedures = 119, calls = 40, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 120 [2024-11-13 23:14:35,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:14:35,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:14:35,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:14:35,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:14:35,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35" (1/1) ... [2024-11-13 23:14:35,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35" (1/1) ... [2024-11-13 23:14:35,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35" (1/1) ... [2024-11-13 23:14:35,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35" (1/1) ... [2024-11-13 23:14:35,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35" (1/1) ... [2024-11-13 23:14:35,813 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35" (1/1) ... [2024-11-13 23:14:35,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35" (1/1) ... [2024-11-13 23:14:35,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35" (1/1) ... [2024-11-13 23:14:35,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:14:35,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:14:35,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:14:35,821 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:14:35,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35" (1/1) ... [2024-11-13 23:14:35,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:14:35,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fe6070-bcd9-4ccc-84c6-dad83718ff88/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:14:35,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fe6070-bcd9-4ccc-84c6-dad83718ff88/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:14:35,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fe6070-bcd9-4ccc-84c6-dad83718ff88/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:14:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:14:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:14:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 23:14:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:14:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 23:14:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 23:14:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:14:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:14:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:14:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:14:36,077 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:14:36,079 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:14:36,521 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 23:14:36,525 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:14:36,641 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:14:36,641 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-13 23:14:36,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:36 BoogieIcfgContainer [2024-11-13 23:14:36,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:14:36,643 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:14:36,643 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:14:36,659 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:14:36,659 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:36" (1/1) ... [2024-11-13 23:14:36,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:14:36,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:36,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2024-11-13 23:14:36,743 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2024-11-13 23:14:36,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:14:36,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:36,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:37,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:37,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:37,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2024-11-13 23:14:37,177 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2024-11-13 23:14:37,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:14:37,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:37,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:37,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:37,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:37,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:14:37,684 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:14:37,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:14:37,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:37,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:38,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:38,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:38,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2024-11-13 23:14:38,713 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2024-11-13 23:14:38,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 23:14:38,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:38,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:14:38,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:14:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:14:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:14:38,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:14:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:14:39,063 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-13 23:14:39,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:14:39 ImpRootNode [2024-11-13 23:14:39,112 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:14:39,113 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:14:39,113 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:14:39,114 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:14:39,115 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:36" (3/4) ... [2024-11-13 23:14:39,116 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 23:14:39,179 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fe6070-bcd9-4ccc-84c6-dad83718ff88/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:14:39,180 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:14:39,181 INFO L158 Benchmark]: Toolchain (without parser) took 4216.20ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 63.9MB in the end (delta: 29.4MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2024-11-13 23:14:39,185 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:14:39,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 762.33ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 75.8MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:14:39,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.40ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 74.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:14:39,186 INFO L158 Benchmark]: Boogie Preprocessor took 37.89ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 72.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:14:39,186 INFO L158 Benchmark]: RCFGBuilder took 821.79ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 52.4MB in the end (delta: 20.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:14:39,187 INFO L158 Benchmark]: CodeCheck took 2469.24ms. Allocated memory is still 117.4MB. Free memory was 52.4MB in the beginning and 65.6MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:14:39,187 INFO L158 Benchmark]: Witness Printer took 67.07ms. Allocated memory is still 117.4MB. Free memory was 65.6MB in the beginning and 63.9MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:14:39,191 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, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 137 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 111 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 69 mSDtfsCounter, 79 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 296 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 107 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 0/1 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 - CounterExampleResult [Line: 985]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1000] SLL* head = malloc(sizeof(SLL)); [L1001] head->next = ((void*)0) [L1002] head->prev = ((void*)0) [L1003] head->data = 0 [L1005] SLL* x = head; VAL [head={14622:0}, x={14622:0}] [L1008] COND FALSE !(__VERIFIER_nondet_int()) [L1019] COND TRUE __VERIFIER_nondet_int() [L1020] x = malloc(sizeof(SLL)) [L1021] x->data = 1 [L1022] x->next = head [L1023] x->prev = ((void*)0) [L1024] head = x VAL [head={-1:0}, x={14622:0}] [L1050] x = head VAL [head={-1:0}, x={-1:0}] [L1053] EXPR x->data VAL [head={-1:0}, x={-1:0}] [L1053] COND FALSE !(x->data != 1) [L1059] EXPR x->next [L1059] x = x->next [L1060] COND TRUE \read(*x) [L1062] EXPR x->data VAL [head={-1:0}, x={14622:0}] [L1062] COND TRUE x->data != 1 [L1063] CALL reach_error() [L985] COND FALSE !(0) [L985] __assert_fail ("0", "dll-simple-white-blue-1.c", 16, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 762.33ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 75.8MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.40ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 74.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.89ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 72.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 821.79ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 52.4MB in the end (delta: 20.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 2469.24ms. Allocated memory is still 117.4MB. Free memory was 52.4MB in the beginning and 65.6MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 67.07ms. Allocated memory is still 117.4MB. Free memory was 65.6MB in the beginning and 63.9MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 23:14:39,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fe6070-bcd9-4ccc-84c6-dad83718ff88/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)