./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/dll-01-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8937e80-80f5-4e3f-bbcd-fe5c5669c537/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8937e80-80f5-4e3f-bbcd-fe5c5669c537/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8937e80-80f5-4e3f-bbcd-fe5c5669c537/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8937e80-80f5-4e3f-bbcd-fe5c5669c537/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-01-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8937e80-80f5-4e3f-bbcd-fe5c5669c537/bin/ukojak-verify-ImItNfHLgk/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8937e80-80f5-4e3f-bbcd-fe5c5669c537/bin/ukojak-verify-ImItNfHLgk --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 dd9f812dd0592e9d2894b2831060b27794691dcfdafe5c5494c28350656b71ee --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:42:15,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:42:15,911 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8937e80-80f5-4e3f-bbcd-fe5c5669c537/bin/ukojak-verify-ImItNfHLgk/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2024-11-08 23:42:15,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:42:15,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:42:15,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:42:15,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:42:15,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:42:15,958 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:42:15,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:42:15,960 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:42:15,961 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:42:15,961 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:42:15,961 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:42:15,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:42:15,962 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 23:42:15,962 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 23:42:15,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:42:15,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:42:15,963 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:42:15,964 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:42:15,968 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:42:15,968 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:42:15,968 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:42:15,969 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:42:15,969 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:42:15,969 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:42:15,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:42:15,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:42:15,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:42:15,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:42:15,970 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:42:15,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:42:15,971 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8937e80-80f5-4e3f-bbcd-fe5c5669c537/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8937e80-80f5-4e3f-bbcd-fe5c5669c537/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd9f812dd0592e9d2894b2831060b27794691dcfdafe5c5494c28350656b71ee [2024-11-08 23:42:16,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:42:16,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:42:16,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:42:16,326 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:42:16,327 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:42:16,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8937e80-80f5-4e3f-bbcd-fe5c5669c537/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/forester-heap/dll-01-1.i Unable to find full path for "g++" [2024-11-08 23:42:18,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:42:19,167 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:42:19,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8937e80-80f5-4e3f-bbcd-fe5c5669c537/sv-benchmarks/c/forester-heap/dll-01-1.i [2024-11-08 23:42:19,197 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8937e80-80f5-4e3f-bbcd-fe5c5669c537/bin/ukojak-verify-ImItNfHLgk/data/523c38929/526e00cc41134f4e8b521294fbd1efd0/FLAG1c1d5978f [2024-11-08 23:42:19,215 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8937e80-80f5-4e3f-bbcd-fe5c5669c537/bin/ukojak-verify-ImItNfHLgk/data/523c38929/526e00cc41134f4e8b521294fbd1efd0 [2024-11-08 23:42:19,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:42:19,220 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:42:19,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:42:19,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:42:19,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:42:19,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:42:19" (1/1) ... [2024-11-08 23:42:19,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d9b6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:19, skipping insertion in model container [2024-11-08 23:42:19,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:42:19" (1/1) ... [2024-11-08 23:42:19,300 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:42:19,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:42:19,914 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:42:20,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:42:20,061 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:42:20,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:20 WrapperNode [2024-11-08 23:42:20,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:42:20,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:42:20,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:42:20,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:42:20,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:20" (1/1) ... [2024-11-08 23:42:20,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:20" (1/1) ... [2024-11-08 23:42:20,149 INFO L138 Inliner]: procedures = 119, calls = 57, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 237 [2024-11-08 23:42:20,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:42:20,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:42:20,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:42:20,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:42:20,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:20" (1/1) ... [2024-11-08 23:42:20,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:20" (1/1) ... [2024-11-08 23:42:20,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:20" (1/1) ... [2024-11-08 23:42:20,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:20" (1/1) ... [2024-11-08 23:42:20,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:20" (1/1) ... [2024-11-08 23:42:20,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:20" (1/1) ... [2024-11-08 23:42:20,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:20" (1/1) ... [2024-11-08 23:42:20,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:20" (1/1) ... [2024-11-08 23:42:20,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:42:20,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:42:20,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:42:20,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:42:20,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:20" (1/1) ... [2024-11-08 23:42:20,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:42:20,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8937e80-80f5-4e3f-bbcd-fe5c5669c537/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:42:20,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8937e80-80f5-4e3f-bbcd-fe5c5669c537/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:42:20,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8937e80-80f5-4e3f-bbcd-fe5c5669c537/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:42:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:42:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:42:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 23:42:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 23:42:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:42:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:42:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:42:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:42:20,477 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:42:20,480 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:42:20,940 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-08 23:42:20,941 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:42:21,087 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:42:21,090 INFO L316 CfgBuilder]: Removed 27 assume(true) statements. [2024-11-08 23:42:21,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:21 BoogieIcfgContainer [2024-11-08 23:42:21,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:42:21,092 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:42:21,092 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:42:21,106 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:42:21,106 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:21" (1/1) ... [2024-11-08 23:42:21,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:42:21,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:21,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 106 states and 166 transitions. [2024-11-08 23:42:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 166 transitions. [2024-11-08 23:42:21,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:42:21,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:21,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:21,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:42:21,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:21,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 102 states and 158 transitions. [2024-11-08 23:42:21,610 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 158 transitions. [2024-11-08 23:42:21,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:42:21,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:21,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:22,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:42:22,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:22,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 98 states and 150 transitions. [2024-11-08 23:42:22,091 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 150 transitions. [2024-11-08 23:42:22,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:42:22,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:22,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:22,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:42:22,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:22,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 97 states and 143 transitions. [2024-11-08 23:42:22,189 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 143 transitions. [2024-11-08 23:42:22,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:42:22,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:22,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:22,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:42:23,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:23,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 95 states and 139 transitions. [2024-11-08 23:42:23,245 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 139 transitions. [2024-11-08 23:42:23,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:42:23,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:23,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:23,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:42:23,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:23,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 99 states and 146 transitions. [2024-11-08 23:42:23,495 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 146 transitions. [2024-11-08 23:42:23,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:42:23,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:23,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:23,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:42:23,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:23,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 95 states and 138 transitions. [2024-11-08 23:42:23,683 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2024-11-08 23:42:23,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:42:23,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:23,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:23,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:42:23,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:23,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 97 states and 141 transitions. [2024-11-08 23:42:23,807 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 141 transitions. [2024-11-08 23:42:23,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:42:23,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:23,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:23,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:42:23,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:23,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 98 states and 142 transitions. [2024-11-08 23:42:23,904 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 142 transitions. [2024-11-08 23:42:23,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:42:23,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:23,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:23,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:42:24,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:24,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 99 states and 142 transitions. [2024-11-08 23:42:24,038 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 142 transitions. [2024-11-08 23:42:24,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:42:24,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:24,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:24,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:42:24,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:24,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 95 states and 135 transitions. [2024-11-08 23:42:24,379 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 135 transitions. [2024-11-08 23:42:24,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:42:24,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:24,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:24,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:42:24,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:24,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 96 states and 136 transitions. [2024-11-08 23:42:24,478 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 136 transitions. [2024-11-08 23:42:24,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:42:24,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:24,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:24,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:42:24,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:24,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 92 states and 127 transitions. [2024-11-08 23:42:24,836 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 127 transitions. [2024-11-08 23:42:24,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:42:24,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:24,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:24,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:42:25,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:25,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 100 states and 144 transitions. [2024-11-08 23:42:25,460 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 144 transitions. [2024-11-08 23:42:25,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:42:25,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:25,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:27,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:42:31,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:31,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 112 states and 161 transitions. [2024-11-08 23:42:31,260 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 161 transitions. [2024-11-08 23:42:31,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 23:42:31,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:31,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:42:31,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:31,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 113 states and 161 transitions. [2024-11-08 23:42:31,354 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 161 transitions. [2024-11-08 23:42:31,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 23:42:31,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:31,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:31,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:42:31,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:31,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 114 states and 162 transitions. [2024-11-08 23:42:31,459 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 162 transitions. [2024-11-08 23:42:31,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 23:42:31,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:31,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:31,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:42:32,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:32,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 106 states and 150 transitions. [2024-11-08 23:42:32,492 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 150 transitions. [2024-11-08 23:42:32,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:42:32,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:32,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:32,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:42:32,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:32,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 102 states and 142 transitions. [2024-11-08 23:42:32,644 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 142 transitions. [2024-11-08 23:42:32,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:42:32,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:32,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:42:32,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:42:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:42:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:42:32,920 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:42:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:42:33,101 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 19 iterations. [2024-11-08 23:42:33,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:42:33 ImpRootNode [2024-11-08 23:42:33,180 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:42:33,181 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:42:33,182 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:42:33,182 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:42:33,183 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:21" (3/4) ... [2024-11-08 23:42:33,184 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:42:33,276 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8937e80-80f5-4e3f-bbcd-fe5c5669c537/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:42:33,277 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:42:33,278 INFO L158 Benchmark]: Toolchain (without parser) took 14057.28ms. Allocated memory was 113.2MB in the beginning and 224.4MB in the end (delta: 111.1MB). Free memory was 74.9MB in the beginning and 144.0MB in the end (delta: -69.1MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2024-11-08 23:42:33,282 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 113.2MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:42:33,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 840.80ms. Allocated memory is still 113.2MB. Free memory was 74.5MB in the beginning and 53.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 23:42:33,284 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.21ms. Allocated memory is still 113.2MB. Free memory was 53.6MB in the beginning and 51.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:42:33,285 INFO L158 Benchmark]: Boogie Preprocessor took 48.69ms. Allocated memory is still 113.2MB. Free memory was 51.1MB in the beginning and 48.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:42:33,289 INFO L158 Benchmark]: RCFGBuilder took 888.14ms. Allocated memory is still 113.2MB. Free memory was 48.7MB in the beginning and 57.9MB in the end (delta: -9.3MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-11-08 23:42:33,289 INFO L158 Benchmark]: CodeCheck took 12088.00ms. Allocated memory was 113.2MB in the beginning and 224.4MB in the end (delta: 111.1MB). Free memory was 57.9MB in the beginning and 147.1MB in the end (delta: -89.2MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-11-08 23:42:33,290 INFO L158 Benchmark]: Witness Printer took 96.14ms. Allocated memory is still 224.4MB. Free memory was 147.1MB in the beginning and 144.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:42:33,293 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, 106 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 12.0s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2847 SdHoareTripleChecker+Valid, 6.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 821 mSDsluCounter, 1382 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 656 mSDsCounter, 447 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1834 IncrementalHoareTripleChecker+Invalid, 2281 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 447 mSolverCounterUnsat, 726 mSDtfsCounter, 1834 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2331 GetRequests, 2228 SyntacticMatches, 1 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3589 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 306 ConstructedInterpolants, 0 QuantifiedInterpolants, 1504 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 7/7 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: 992]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1003] SLL* list = malloc(sizeof(SLL)); [L1004] list->next = ((void*)0) [L1005] list->prev = ((void*)0) VAL [list={27071:0}] [L1006] COND FALSE !(!(list != ((void*)0))) VAL [list={27071:0}] [L1006] COND FALSE !(__VERIFIER_nondet_int()) [L1006] list->inner = malloc(sizeof(SLL)) [L1006] EXPR list->inner [L1006] list->inner->next = ((void*)0) [L1006] EXPR list->inner [L1006] list->inner->inner = ((void*)0) [L1006] EXPR list->inner [L1006] EXPR list->inner != ((void*)0) || list->inner == ((void*)0) VAL [list={27071:0}] [L1006] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) [L1008] SLL* end = list; VAL [end={27071:0}, list={27071:0}] [L1011] COND FALSE !(__VERIFIER_nondet_int()) [L1022] end = ((void*)0) [L1023] end = list VAL [end={27071:0}, list={27071:0}] [L1026] COND FALSE !(!(((void*)0) != end)) VAL [end={27071:0}, list={27071:0}] [L1028] COND FALSE !(((void*)0) != end) VAL [end={27071:0}, list={27071:0}] [L1028] COND TRUE ((void*)0) != end [L1030] int len = 0; [L1031] EXPR end->inner [L1031] SLL* inner = end->inner; [L1032] COND FALSE !(((void*)0) != inner) VAL [end={27071:0}, inner={27072:0}, len=0, list={27071:0}] [L1032] COND TRUE ((void*)0) != inner [L1034] COND TRUE len == 0 [L1035] len = 1 VAL [end={27071:0}, inner={27072:0}, len=1, list={27071:0}] [L1038] COND FALSE !(!(((void*)0) != inner)) VAL [end={27071:0}, inner={27072:0}, len=1, list={27071:0}] [L1039] EXPR inner->inner VAL [end={27071:0}, inner={27072:0}, len=1, list={27071:0}] [L1039] COND FALSE !(!(((void*)0) == inner->inner)) [L1040] EXPR inner->next VAL [end={27071:0}, inner={27072:0}, len=1, list={27071:0}] [L1040] COND TRUE !(((void*)0) != inner->next) [L1040] CALL reach_error() [L992] COND FALSE !(0) [L992] __assert_fail ("0", "dll-01-1.c", 12, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 113.2MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 840.80ms. Allocated memory is still 113.2MB. Free memory was 74.5MB in the beginning and 53.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.21ms. Allocated memory is still 113.2MB. Free memory was 53.6MB in the beginning and 51.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.69ms. Allocated memory is still 113.2MB. Free memory was 51.1MB in the beginning and 48.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 888.14ms. Allocated memory is still 113.2MB. Free memory was 48.7MB in the beginning and 57.9MB in the end (delta: -9.3MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * CodeCheck took 12088.00ms. Allocated memory was 113.2MB in the beginning and 224.4MB in the end (delta: 111.1MB). Free memory was 57.9MB in the beginning and 147.1MB in the end (delta: -89.2MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * Witness Printer took 96.14ms. Allocated memory is still 224.4MB. Free memory was 147.1MB in the beginning and 144.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:42:33,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8937e80-80f5-4e3f-bbcd-fe5c5669c537/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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)