./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/sll-buckets-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19af4ec8-0eb9-43ba-9fb5-f472a40be3f0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19af4ec8-0eb9-43ba-9fb5-f472a40be3f0/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_19af4ec8-0eb9-43ba-9fb5-f472a40be3f0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19af4ec8-0eb9-43ba-9fb5-f472a40be3f0/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-buckets-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19af4ec8-0eb9-43ba-9fb5-f472a40be3f0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19af4ec8-0eb9-43ba-9fb5-f472a40be3f0/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-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a4c2149f6fe1f453f0ff04220f5041f2227f6654d0fa84d48205415ce284fcb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:16:20,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:16:20,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19af4ec8-0eb9-43ba-9fb5-f472a40be3f0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2024-12-05 23:16:20,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:16:20,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:16:20,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:16:20,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:16:20,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:16:20,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:16:20,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:16:20,573 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:16:20,574 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:16:20,574 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:16:20,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:16:20,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:16:20,574 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 23:16:20,574 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 23:16:20,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:16:20,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:16:20,574 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:16:20,574 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:16:20,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:16:20,575 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:16:20,575 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:16:20,575 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:16:20,575 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:16:20,575 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:16:20,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:16:20,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:16:20,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:16:20,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:16:20,575 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:16:20,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:16:20,576 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_19af4ec8-0eb9-43ba-9fb5-f472a40be3f0/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-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 -> 5a4c2149f6fe1f453f0ff04220f5041f2227f6654d0fa84d48205415ce284fcb [2024-12-05 23:16:20,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:16:20,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:16:20,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:16:20,818 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:16:20,819 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:16:20,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19af4ec8-0eb9-43ba-9fb5-f472a40be3f0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/forester-heap/sll-buckets-2.i [2024-12-05 23:16:23,482 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19af4ec8-0eb9-43ba-9fb5-f472a40be3f0/bin/ukojak-verify-CZk0znPC7b/data/8ad2dfe80/c36e324cab90446797e15952089bfaf7/FLAGf68697177 [2024-12-05 23:16:23,727 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:16:23,728 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19af4ec8-0eb9-43ba-9fb5-f472a40be3f0/sv-benchmarks/c/forester-heap/sll-buckets-2.i [2024-12-05 23:16:23,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19af4ec8-0eb9-43ba-9fb5-f472a40be3f0/bin/ukojak-verify-CZk0znPC7b/data/8ad2dfe80/c36e324cab90446797e15952089bfaf7/FLAGf68697177 [2024-12-05 23:16:23,750 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19af4ec8-0eb9-43ba-9fb5-f472a40be3f0/bin/ukojak-verify-CZk0znPC7b/data/8ad2dfe80/c36e324cab90446797e15952089bfaf7 [2024-12-05 23:16:23,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:16:23,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:16:23,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:16:23,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:16:23,757 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:16:23,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:16:23" (1/1) ... [2024-12-05 23:16:23,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e58ead1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:23, skipping insertion in model container [2024-12-05 23:16:23,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:16:23" (1/1) ... [2024-12-05 23:16:23,786 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:16:24,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:16:24,029 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:16:24,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:16:24,087 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:16:24,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:24 WrapperNode [2024-12-05 23:16:24,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:16:24,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:16:24,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:16:24,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:16:24,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:24" (1/1) ... [2024-12-05 23:16:24,105 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:24" (1/1) ... [2024-12-05 23:16:24,124 INFO L138 Inliner]: procedures = 119, calls = 47, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 155 [2024-12-05 23:16:24,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:16:24,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:16:24,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:16:24,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:16:24,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:24" (1/1) ... [2024-12-05 23:16:24,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:24" (1/1) ... [2024-12-05 23:16:24,136 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:24" (1/1) ... [2024-12-05 23:16:24,136 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:24" (1/1) ... [2024-12-05 23:16:24,143 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:24" (1/1) ... [2024-12-05 23:16:24,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:24" (1/1) ... [2024-12-05 23:16:24,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:24" (1/1) ... [2024-12-05 23:16:24,149 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:24" (1/1) ... [2024-12-05 23:16:24,150 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:24" (1/1) ... [2024-12-05 23:16:24,153 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:16:24,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:16:24,154 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:16:24,154 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:16:24,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:24" (1/1) ... [2024-12-05 23:16:24,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:16:24,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19af4ec8-0eb9-43ba-9fb5-f472a40be3f0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:16:24,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19af4ec8-0eb9-43ba-9fb5-f472a40be3f0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:16:24,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19af4ec8-0eb9-43ba-9fb5-f472a40be3f0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:16:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 23:16:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 23:16:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 23:16:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:16:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 23:16:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 23:16:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 23:16:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:16:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:16:24,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:16:24,290 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:16:24,292 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:16:24,568 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-12-05 23:16:24,568 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:16:24,620 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:16:24,621 INFO L312 CfgBuilder]: Removed 10 assume(true) statements. [2024-12-05 23:16:24,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:16:24 BoogieIcfgContainer [2024-12-05 23:16:24,621 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:16:24,622 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:16:24,622 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:16:24,630 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:16:24,630 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:16:24" (1/1) ... [2024-12-05 23:16:24,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:16:24,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:24,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 49 states and 77 transitions. [2024-12-05 23:16:24,672 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 77 transitions. [2024-12-05 23:16:24,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:16:24,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:24,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:24,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:24,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:24,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 49 states and 76 transitions. [2024-12-05 23:16:24,933 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2024-12-05 23:16:24,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:16:24,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:24,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:25,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:25,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:25,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2024-12-05 23:16:25,197 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2024-12-05 23:16:25,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:16:25,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:25,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:25,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:25,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:25,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2024-12-05 23:16:25,293 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2024-12-05 23:16:25,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:16:25,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:25,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:25,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:25,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:25,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 54 states and 78 transitions. [2024-12-05 23:16:25,442 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2024-12-05 23:16:25,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:16:25,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:25,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:25,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:25,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:25,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 50 states and 70 transitions. [2024-12-05 23:16:25,535 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2024-12-05 23:16:25,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 23:16:25,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:25,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:25,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:26,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:26,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 54 states and 75 transitions. [2024-12-05 23:16:26,148 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2024-12-05 23:16:26,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:16:26,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:26,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:26,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:26,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:26,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2024-12-05 23:16:26,202 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2024-12-05 23:16:26,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:16:26,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:26,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:26,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:27,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:27,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 61 states and 82 transitions. [2024-12-05 23:16:27,062 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2024-12-05 23:16:27,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:16:27,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:27,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:27,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:27,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:27,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2024-12-05 23:16:27,208 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2024-12-05 23:16:27,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 23:16:27,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:27,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:27,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:28,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:28,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 75 states and 109 transitions. [2024-12-05 23:16:28,037 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2024-12-05 23:16:28,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:16:28,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:28,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:30,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:30,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 83 states and 127 transitions. [2024-12-05 23:16:30,199 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2024-12-05 23:16:30,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:16:30,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:30,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:30,738 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:31,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:31,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 91 states and 148 transitions. [2024-12-05 23:16:31,750 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2024-12-05 23:16:31,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:16:31,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:31,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:32,228 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:33,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:33,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 97 states and 160 transitions. [2024-12-05 23:16:33,646 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 160 transitions. [2024-12-05 23:16:33,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:16:33,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:33,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:33,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:16:34,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:34,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 104 states and 175 transitions. [2024-12-05 23:16:34,520 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 175 transitions. [2024-12-05 23:16:34,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:16:34,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:34,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:40,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:40,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 116 states and 210 transitions. [2024-12-05 23:16:40,206 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 210 transitions. [2024-12-05 23:16:40,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:16:40,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:40,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:40,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:40,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:40,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 116 states and 209 transitions. [2024-12-05 23:16:40,263 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 209 transitions. [2024-12-05 23:16:40,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:16:40,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:40,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:40,330 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:16:41,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:41,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 118 states and 213 transitions. [2024-12-05 23:16:41,241 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 213 transitions. [2024-12-05 23:16:41,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:16:41,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:41,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:42,472 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:45,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:45,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 126 states and 233 transitions. [2024-12-05 23:16:45,994 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 233 transitions. [2024-12-05 23:16:45,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:16:45,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:45,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:46,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:16:46,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:46,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 129 states and 236 transitions. [2024-12-05 23:16:46,072 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 236 transitions. [2024-12-05 23:16:46,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:16:46,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:46,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:47,714 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:56,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:56,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 149 states and 289 transitions. [2024-12-05 23:16:56,021 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 289 transitions. [2024-12-05 23:16:56,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:16:56,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:56,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:16:56,061 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:16:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:16:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:16:56,575 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:16:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:16:56,813 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2024-12-05 23:16:56,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:16:56 ImpRootNode [2024-12-05 23:16:56,840 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:16:56,840 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:16:56,840 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:16:56,840 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:16:56,841 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:16:24" (3/4) ... [2024-12-05 23:16:56,841 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 23:16:56,874 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 17. [2024-12-05 23:16:56,917 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19af4ec8-0eb9-43ba-9fb5-f472a40be3f0/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:16:56,918 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19af4ec8-0eb9-43ba-9fb5-f472a40be3f0/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:16:56,918 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:16:56,919 INFO L158 Benchmark]: Toolchain (without parser) took 33165.43ms. Allocated memory was 142.6MB in the beginning and 436.2MB in the end (delta: 293.6MB). Free memory was 116.9MB in the beginning and 371.7MB in the end (delta: -254.7MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2024-12-05 23:16:56,919 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:16:56,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.89ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 99.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:16:56,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.26ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 97.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:16:56,920 INFO L158 Benchmark]: Boogie Preprocessor took 27.82ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 95.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:16:56,920 INFO L158 Benchmark]: RCFGBuilder took 467.51ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 72.0MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 23:16:56,920 INFO L158 Benchmark]: CodeCheck took 32218.16ms. Allocated memory was 142.6MB in the beginning and 436.2MB in the end (delta: 293.6MB). Free memory was 71.8MB in the beginning and 375.9MB in the end (delta: -304.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:16:56,920 INFO L158 Benchmark]: Witness Printer took 77.67ms. Allocated memory is still 436.2MB. Free memory was 375.9MB in the beginning and 371.7MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:16:56,923 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, 49 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 32.2s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2987 SdHoareTripleChecker+Valid, 11.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1226 mSDsluCounter, 2194 SdHoareTripleChecker+Invalid, 10.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1517 mSDsCounter, 844 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4046 IncrementalHoareTripleChecker+Invalid, 4890 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 844 mSolverCounterUnsat, 677 mSDtfsCounter, 4046 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2670 GetRequests, 2373 SyntacticMatches, 15 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33023 ImplicationChecksByTransitivity, 25.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 299 NumberOfCodeBlocks, 299 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 3629 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 10 PerfectInterpolantSequences, 23/71 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: 985]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1004] BCK* bucket = malloc(sizeof(BCK)); [L1005] bucket->data = 0 [L1006] bucket->list = ((void*)0) [L1008] bucket->next = malloc(sizeof(BCK)) [L1009] EXPR bucket->next [L1009] BCK* bcki = bucket->next; [L1010] bcki->data = 1 [L1011] bcki->list = ((void*)0) [L1013] bcki->next = malloc(sizeof(BCK)) [L1014] EXPR bcki->next [L1014] bcki = bcki->next [L1015] bcki->data = 2 [L1016] bcki->list = ((void*)0) [L1017] bcki->next = ((void*)0) [L1019] struct TSLL* item = ((void*)0); [L1020] struct TSLL* itr = ((void*)0); VAL [bucket={-2:0}] [L1021] COND TRUE __VERIFIER_nondet_int() [L1023] item = malloc(sizeof(SLL)) [L1024] item->next = ((void*)0) [L1025] COND TRUE __VERIFIER_nondet_int() [L1026] item->data = 0 [L1032] bcki = bucket VAL [bcki={-2:0}, bucket={-2:0}, item={-3:0}] [L1034] COND FALSE !(!(bcki != ((void*)0))) VAL [bcki={-2:0}, bucket={-2:0}, item={-3:0}] [L1034] COND FALSE !(0) VAL [bcki={-2:0}, bucket={-2:0}, item={-3:0}] [L1035] COND FALSE !(!(item != ((void*)0))) VAL [bcki={-2:0}, bucket={-2:0}, item={-3:0}] [L1035] COND FALSE !(0) VAL [bcki={-2:0}, bucket={-2:0}, item={-3:0}] [L1036] EXPR bcki->data [L1036] EXPR item->data VAL [bcki={-2:0}, bucket={-2:0}, item={-3:0}] [L1036] COND FALSE !(bcki->data != item->data) [L1038] COND FALSE !(!(bcki != ((void*)0))) VAL [bcki={-2:0}, bucket={-2:0}, item={-3:0}] [L1038] COND FALSE !(0) VAL [bcki={-2:0}, bucket={-2:0}, item={-3:0}] [L1040] EXPR bcki->list VAL [bcki={-2:0}, bucket={-2:0}, item={-3:0}] [L1040] COND TRUE bcki->list == ((void*)0) [L1041] bcki->list = item VAL [bucket={-2:0}] [L1021] COND FALSE !(__VERIFIER_nondet_int()) [L1052] bcki = bucket VAL [bcki={-2:0}] [L1053] COND TRUE bcki != ((void*)0) [L1055] EXPR bcki->list [L1055] item = bcki->list [L1056] bcki->list = ((void*)0) VAL [bcki={-2:0}, item={-3:0}] [L1057] COND TRUE item != ((void*)0) [L1059] itr = item [L1060] EXPR item->next [L1060] item = item->next [L1061] EXPR itr->data [L1061] EXPR bcki->data VAL [bcki={-2:0}, item={0:0}, itr={-3:0}] [L1061] COND TRUE !(itr->data != bcki->data) [L1061] CALL reach_error() [L985] COND FALSE !(0) [L985] __assert_fail ("0", "sll-buckets-2.c", 14, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.89ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 99.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.26ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 97.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.82ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 95.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 467.51ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 72.0MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 32218.16ms. Allocated memory was 142.6MB in the beginning and 436.2MB in the end (delta: 293.6MB). Free memory was 71.8MB in the beginning and 375.9MB in the end (delta: -304.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 77.67ms. Allocated memory is still 436.2MB. Free memory was 375.9MB in the beginning and 371.7MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 23:16:56,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19af4ec8-0eb9-43ba-9fb5-f472a40be3f0/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-memcleanup)