./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b76e164-32ed-49cb-95fd-651e76b85fe2/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b76e164-32ed-49cb-95fd-651e76b85fe2/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b76e164-32ed-49cb-95fd-651e76b85fe2/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b76e164-32ed-49cb-95fd-651e76b85fe2/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b76e164-32ed-49cb-95fd-651e76b85fe2/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b76e164-32ed-49cb-95fd-651e76b85fe2/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --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 e0af411cbe463e50d2f658cbef67da9cc6723e28c1262169ce3b6aa7303dfb51 ................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:25:04,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:25:04,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:25:04,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:25:04,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:25:04,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:25:04,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:25:04,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:25:04,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:25:04,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:25:04,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:25:04,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:25:04,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:25:04,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:25:04,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:25:04,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:25:04,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:25:04,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:25:04,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:25:04,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:25:04,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:25:04,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:25:04,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:25:04,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:25:04,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:25:04,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:25:04,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:25:04,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:25:04,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:25:04,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:25:04,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:25:04,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:25:04,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:25:04,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:25:04,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:25:04,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:25:04,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:25:04,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:25:04,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:25:04,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:25:04,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:25:04,987 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b76e164-32ed-49cb-95fd-651e76b85fe2/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-10-29 04:25:05,034 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:25:05,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:25:05,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:25:05,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:25:05,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:25:05,038 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:25:05,038 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:25:05,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:25:05,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:25:05,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:25:05,040 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:25:05,040 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:25:05,040 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:25:05,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:25:05,041 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:25:05,041 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:25:05,041 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:25:05,042 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:25:05,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:25:05,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:25:05,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:25:05,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:25:05,043 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:25:05,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:25:05,043 INFO L138 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_0b76e164-32ed-49cb-95fd-651e76b85fe2/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b76e164-32ed-49cb-95fd-651e76b85fe2/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0af411cbe463e50d2f658cbef67da9cc6723e28c1262169ce3b6aa7303dfb51 [2021-10-29 04:25:05,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:25:05,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:25:05,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:25:05,362 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:25:05,363 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:25:05,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b76e164-32ed-49cb-95fd-651e76b85fe2/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2021-10-29 04:25:05,453 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b76e164-32ed-49cb-95fd-651e76b85fe2/bin/ukojak-Rh5K9KB4LI/data/4876ce922/003fd2706b464699b1cd80803d2037e7/FLAG8fede291a [2021-10-29 04:25:05,946 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:25:05,947 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b76e164-32ed-49cb-95fd-651e76b85fe2/sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2021-10-29 04:25:05,959 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b76e164-32ed-49cb-95fd-651e76b85fe2/bin/ukojak-Rh5K9KB4LI/data/4876ce922/003fd2706b464699b1cd80803d2037e7/FLAG8fede291a [2021-10-29 04:25:06,328 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b76e164-32ed-49cb-95fd-651e76b85fe2/bin/ukojak-Rh5K9KB4LI/data/4876ce922/003fd2706b464699b1cd80803d2037e7 [2021-10-29 04:25:06,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:25:06,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:25:06,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:25:06,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:25:06,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:25:06,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:25:06" (1/1) ... [2021-10-29 04:25:06,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@428ce7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:06, skipping insertion in model container [2021-10-29 04:25:06,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:25:06" (1/1) ... [2021-10-29 04:25:06,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:25:06,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:25:06,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:25:06,619 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:25:06,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:25:06,662 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:25:06,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:06 WrapperNode [2021-10-29 04:25:06,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:25:06,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:25:06,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:25:06,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:25:06,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:06" (1/1) ... [2021-10-29 04:25:06,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:06" (1/1) ... [2021-10-29 04:25:06,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:25:06,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:25:06,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:25:06,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:25:06,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:06" (1/1) ... [2021-10-29 04:25:06,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:06" (1/1) ... [2021-10-29 04:25:06,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:06" (1/1) ... [2021-10-29 04:25:06,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:06" (1/1) ... [2021-10-29 04:25:06,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:06" (1/1) ... [2021-10-29 04:25:06,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:06" (1/1) ... [2021-10-29 04:25:06,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:06" (1/1) ... [2021-10-29 04:25:06,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:25:06,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:25:06,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:25:06,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:25:06,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:06" (1/1) ... [2021-10-29 04:25:06,749 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:25:06,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b76e164-32ed-49cb-95fd-651e76b85fe2/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:25:06,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b76e164-32ed-49cb-95fd-651e76b85fe2/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:25:06,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b76e164-32ed-49cb-95fd-651e76b85fe2/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:25:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:25:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:25:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:25:07,220 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:25:07,220 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-29 04:25:07,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:25:07 BoogieIcfgContainer [2021-10-29 04:25:07,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:25:07,224 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:25:07,224 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:25:07,251 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:25:07,251 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:25:07" (1/1) ... [2021-10-29 04:25:07,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:25:07,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:25:07,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2021-10-29 04:25:07,296 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2021-10-29 04:25:07,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 04:25:07,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:25:07,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:25:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:25:07,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:25:07,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:25:07,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 3 states and 2 transitions. [2021-10-29 04:25:07,474 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states and 2 transitions. [2021-10-29 04:25:07,474 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:25:07,475 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2021-10-29 04:25:07,481 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 04:25:07,488 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 04:25:07,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:25:07 ImpRootNode [2021-10-29 04:25:07,498 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:25:07,499 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:25:07,499 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:25:07,499 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:25:07,500 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:25:07" (3/4) ... [2021-10-29 04:25:07,503 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:25:07,514 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-29 04:25:07,514 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 04:25:07,515 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:25:07,538 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2021-10-29 04:25:07,576 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b76e164-32ed-49cb-95fd-651e76b85fe2/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:25:07,577 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:25:07,579 INFO L168 Benchmark]: Toolchain (without parser) took 1245.44 ms. Allocated memory is still 98.6 MB. Free memory was 63.6 MB in the beginning and 43.6 MB in the end (delta: 20.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2021-10-29 04:25:07,579 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 98.6 MB. Free memory was 69.6 MB in the beginning and 69.6 MB in the end (delta: 27.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:25:07,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.42 ms. Allocated memory is still 98.6 MB. Free memory was 63.4 MB in the beginning and 73.4 MB in the end (delta: -10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:25:07,581 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.67 ms. Allocated memory is still 98.6 MB. Free memory was 73.4 MB in the beginning and 72.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:25:07,582 INFO L168 Benchmark]: Boogie Preprocessor took 27.28 ms. Allocated memory is still 98.6 MB. Free memory was 72.1 MB in the beginning and 70.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:25:07,582 INFO L168 Benchmark]: RCFGBuilder took 487.08 ms. Allocated memory is still 98.6 MB. Free memory was 70.0 MB in the beginning and 59.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:25:07,583 INFO L168 Benchmark]: CodeCheck took 273.93 ms. Allocated memory is still 98.6 MB. Free memory was 59.1 MB in the beginning and 48.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:25:07,584 INFO L168 Benchmark]: Witness Printer took 78.14 ms. Allocated memory is still 98.6 MB. Free memory was 48.7 MB in the beginning and 43.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:25:07,587 INFO L339 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, 4 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 93]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 98.6 MB. Free memory was 69.6 MB in the beginning and 69.6 MB in the end (delta: 27.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 329.42 ms. Allocated memory is still 98.6 MB. Free memory was 63.4 MB in the beginning and 73.4 MB in the end (delta: -10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.67 ms. Allocated memory is still 98.6 MB. Free memory was 73.4 MB in the beginning and 72.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.28 ms. Allocated memory is still 98.6 MB. Free memory was 72.1 MB in the beginning and 70.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 487.08 ms. Allocated memory is still 98.6 MB. Free memory was 70.0 MB in the beginning and 59.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 273.93 ms. Allocated memory is still 98.6 MB. Free memory was 59.1 MB in the beginning and 48.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 78.14 ms. Allocated memory is still 98.6 MB. Free memory was 48.7 MB in the beginning and 43.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:25:07,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b76e164-32ed-49cb-95fd-651e76b85fe2/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...