./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-regression/test_union_cast.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e344011e-c3d1-44b3-9958-57256b9b6f6e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e344011e-c3d1-44b3-9958-57256b9b6f6e/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_e344011e-c3d1-44b3-9958-57256b9b6f6e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e344011e-c3d1-44b3-9958-57256b9b6f6e/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-regression/test_union_cast.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e344011e-c3d1-44b3-9958-57256b9b6f6e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e344011e-c3d1-44b3-9958-57256b9b6f6e/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 875e0e748b960f3d62b67d726d26e4717d072c7e6207f8e7e9767eeeb5eb8509 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:57:10,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:57:10,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e344011e-c3d1-44b3-9958-57256b9b6f6e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-08 23:57:10,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:57:10,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:57:10,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:57:10,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:57:10,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:57:10,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:57:10,907 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:57:10,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:57:10,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:57:10,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:57:10,909 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 23:57:10,909 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 23:57:10,909 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 23:57:10,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:57:10,910 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:57:10,911 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:57:10,911 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:57:10,912 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:57:10,916 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:57:10,916 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:57:10,916 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:57:10,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:57:10,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:57:10,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:57:10,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:57:10,918 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:57:10,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:57:10,918 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_e344011e-c3d1-44b3-9958-57256b9b6f6e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e344011e-c3d1-44b3-9958-57256b9b6f6e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 875e0e748b960f3d62b67d726d26e4717d072c7e6207f8e7e9767eeeb5eb8509 [2024-11-08 23:57:11,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:57:11,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:57:11,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:57:11,256 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:57:11,256 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:57:11,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e344011e-c3d1-44b3-9958-57256b9b6f6e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-regression/test_union_cast.i Unable to find full path for "g++" [2024-11-08 23:57:13,460 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:57:13,681 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:57:13,682 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e344011e-c3d1-44b3-9958-57256b9b6f6e/sv-benchmarks/c/ldv-regression/test_union_cast.i [2024-11-08 23:57:13,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e344011e-c3d1-44b3-9958-57256b9b6f6e/bin/ukojak-verify-ImItNfHLgk/data/eafac63d7/0b499c45089a4899aba0b98b0e850b04/FLAG0eccd984c [2024-11-08 23:57:13,722 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e344011e-c3d1-44b3-9958-57256b9b6f6e/bin/ukojak-verify-ImItNfHLgk/data/eafac63d7/0b499c45089a4899aba0b98b0e850b04 [2024-11-08 23:57:13,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:57:13,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:57:13,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:57:13,729 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:57:13,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:57:13,735 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:57:13" (1/1) ... [2024-11-08 23:57:13,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a660a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:13, skipping insertion in model container [2024-11-08 23:57:13,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:57:13" (1/1) ... [2024-11-08 23:57:13,760 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:57:14,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:57:14,015 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:57:14,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:57:14,060 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:57:14,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:14 WrapperNode [2024-11-08 23:57:14,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:57:14,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:57:14,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:57:14,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:57:14,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:14" (1/1) ... [2024-11-08 23:57:14,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:14" (1/1) ... [2024-11-08 23:57:14,104 INFO L138 Inliner]: procedures = 15, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 26 [2024-11-08 23:57:14,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:57:14,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:57:14,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:57:14,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:57:14,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:14" (1/1) ... [2024-11-08 23:57:14,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:14" (1/1) ... [2024-11-08 23:57:14,119 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:14" (1/1) ... [2024-11-08 23:57:14,119 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:14" (1/1) ... [2024-11-08 23:57:14,125 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:14" (1/1) ... [2024-11-08 23:57:14,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:14" (1/1) ... [2024-11-08 23:57:14,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:14" (1/1) ... [2024-11-08 23:57:14,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:14" (1/1) ... [2024-11-08 23:57:14,132 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:57:14,133 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:57:14,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:57:14,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:57:14,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:14" (1/1) ... [2024-11-08 23:57:14,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:57:14,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e344011e-c3d1-44b3-9958-57256b9b6f6e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:57:14,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e344011e-c3d1-44b3-9958-57256b9b6f6e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:57:14,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e344011e-c3d1-44b3-9958-57256b9b6f6e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:57:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:57:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:57:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:57:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:57:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 23:57:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:57:14,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:57:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:57:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:57:14,305 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:57:14,307 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:57:14,461 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 23:57:14,461 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:57:14,508 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:57:14,508 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:57:14,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:57:14 BoogieIcfgContainer [2024-11-08 23:57:14,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:57:14,514 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:57:14,515 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:57:14,526 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:57:14,526 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:57:14" (1/1) ... [2024-11-08 23:57:14,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:57:14,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:14,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2024-11-08 23:57:14,599 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2024-11-08 23:57:14,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-08 23:57:14,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:14,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:14,888 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 23:57:14,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:14,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2024-11-08 23:57:14,927 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2024-11-08 23:57:14,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-08 23:57:14,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:14,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:15,087 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 23:57:15,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:15,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-08 23:57:15,214 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-08 23:57:15,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:57:15,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:15,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:15,277 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 23:57:15,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:15,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-11-08 23:57:15,302 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-11-08 23:57:15,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:57:15,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:15,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:15,394 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 23:57:15,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:15,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-08 23:57:15,434 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-08 23:57:15,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:57:15,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:15,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:15,500 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 23:57:15,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:15,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:57:15,533 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:57:15,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:57:15,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:15,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:15,660 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 23:57:15,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:15,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-08 23:57:15,697 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-08 23:57:15,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:57:15,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:15,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:15,972 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 23:57:16,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:16,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2024-11-08 23:57:16,174 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-11-08 23:57:16,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:57:16,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:16,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:16,359 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 23:57:17,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:17,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2024-11-08 23:57:17,017 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-08 23:57:17,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:57:17,018 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-08 23:57:17,033 INFO L729 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2024-11-08 23:57:17,092 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-08 23:57:17,092 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:57:17,093 INFO L77 FloydHoareUtils]: At program point L31(line 31) the Hoare annotation is: (and (= (store |#valid| |ULTIMATE.start_main_~#llvm_cbe_var~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= |ULTIMATE.start_main_#t~mem4#1| 10)) [2024-11-08 23:57:17,094 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: (and (= (select |#valid| |ULTIMATE.start_main_~#llvm_cbe_var~0#1.base|) 1) (= (store |#valid| |ULTIMATE.start_main_~#llvm_cbe_var~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (<= (+ |ULTIMATE.start_main_~#llvm_cbe_var~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~#llvm_cbe_var~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#llvm_cbe_var~0#1.offset|)) [2024-11-08 23:57:17,094 INFO L77 FloydHoareUtils]: At program point L31-2(line 31) the Hoare annotation is: (= (store |#valid| |ULTIMATE.start_main_~#llvm_cbe_var~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) [2024-11-08 23:57:17,094 INFO L77 FloydHoareUtils]: At program point L29-1(line 29) the Hoare annotation is: (and (= (select |#valid| |ULTIMATE.start_main_~#llvm_cbe_var~0#1.base|) 1) (= (store |#valid| |ULTIMATE.start_main_~#llvm_cbe_var~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (<= (+ |ULTIMATE.start_main_~#llvm_cbe_var~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~#llvm_cbe_var~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#llvm_cbe_var~0#1.offset|)) [2024-11-08 23:57:17,095 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-08 23:57:17,095 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-08 23:57:17,095 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:57:17,095 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 21 34) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-11-08 23:57:17,096 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK(lines 21 34) no Hoare annotation was computed. [2024-11-08 23:57:17,096 INFO L75 FloydHoareUtils]: For program point L3(line 3) no Hoare annotation was computed. [2024-11-08 23:57:17,096 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-08 23:57:17,096 INFO L77 FloydHoareUtils]: At program point L30(line 30) the Hoare annotation is: (and (= (select |#valid| |ULTIMATE.start_main_~#llvm_cbe_var~0#1.base|) 1) (= (store |#valid| |ULTIMATE.start_main_~#llvm_cbe_var~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (<= (+ |ULTIMATE.start_main_~#llvm_cbe_var~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~#llvm_cbe_var~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#llvm_cbe_var~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~#llvm_cbe_var~0#1.base|) |ULTIMATE.start_main_~#llvm_cbe_var~0#1.offset|) 10)) [2024-11-08 23:57:17,097 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-08 23:57:17,097 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-08 23:57:17,101 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK(line 3) no Hoare annotation was computed. [2024-11-08 23:57:17,114 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-08 23:57:17,115 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-08 23:57:17,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:57:17 ImpRootNode [2024-11-08 23:57:17,118 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:57:17,119 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:57:17,119 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:57:17,120 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:57:17,120 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:57:14" (3/4) ... [2024-11-08 23:57:17,125 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:57:17,136 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-08 23:57:17,136 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 23:57:17,136 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 23:57:17,137 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:57:17,253 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e344011e-c3d1-44b3-9958-57256b9b6f6e/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:57:17,254 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e344011e-c3d1-44b3-9958-57256b9b6f6e/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:57:17,254 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:57:17,256 INFO L158 Benchmark]: Toolchain (without parser) took 3527.85ms. Allocated memory was 172.0MB in the beginning and 228.6MB in the end (delta: 56.6MB). Free memory was 132.5MB in the beginning and 123.4MB in the end (delta: 9.1MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2024-11-08 23:57:17,256 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 172.0MB. Free memory was 141.1MB in the beginning and 140.9MB in the end (delta: 153.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:57:17,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.92ms. Allocated memory is still 172.0MB. Free memory was 132.0MB in the beginning and 119.9MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:57:17,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.61ms. Allocated memory is still 172.0MB. Free memory was 119.9MB in the beginning and 118.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:57:17,258 INFO L158 Benchmark]: Boogie Preprocessor took 27.41ms. Allocated memory is still 172.0MB. Free memory was 118.3MB in the beginning and 117.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:57:17,258 INFO L158 Benchmark]: RCFGBuilder took 375.98ms. Allocated memory is still 172.0MB. Free memory was 117.3MB in the beginning and 105.7MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:57:17,259 INFO L158 Benchmark]: CodeCheck took 2604.17ms. Allocated memory was 172.0MB in the beginning and 228.6MB in the end (delta: 56.6MB). Free memory was 105.7MB in the beginning and 127.6MB in the end (delta: -21.9MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2024-11-08 23:57:17,263 INFO L158 Benchmark]: Witness Printer took 135.06ms. Allocated memory is still 228.6MB. Free memory was 127.6MB in the beginning and 123.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:57:17,266 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, 17 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 88 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 197 IncrementalHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 88 mSolverCounterUnsat, 2 mSDtfsCounter, 197 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 197 GetRequests, 160 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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 - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 3]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 21]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 172.0MB. Free memory was 141.1MB in the beginning and 140.9MB in the end (delta: 153.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.92ms. Allocated memory is still 172.0MB. Free memory was 132.0MB in the beginning and 119.9MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.61ms. Allocated memory is still 172.0MB. Free memory was 119.9MB in the beginning and 118.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.41ms. Allocated memory is still 172.0MB. Free memory was 118.3MB in the beginning and 117.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.98ms. Allocated memory is still 172.0MB. Free memory was 117.3MB in the beginning and 105.7MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2604.17ms. Allocated memory was 172.0MB in the beginning and 228.6MB in the end (delta: 56.6MB). Free memory was 105.7MB in the beginning and 127.6MB in the end (delta: -21.9MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * Witness Printer took 135.06ms. Allocated memory is still 228.6MB. Free memory was 127.6MB in the beginning and 123.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid RESULT: Ultimate proved your program to be correct! [2024-11-08 23:57:17,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e344011e-c3d1-44b3-9958-57256b9b6f6e/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 Result: TRUE