./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d34c42-fe84-4bd7-9713-21ff9821b207/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d34c42-fe84-4bd7-9713-21ff9821b207/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d34c42-fe84-4bd7-9713-21ff9821b207/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d34c42-fe84-4bd7-9713-21ff9821b207/bin/ukojak-fKGseLULKY/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d34c42-fe84-4bd7-9713-21ff9821b207/bin/ukojak-fKGseLULKY/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d34c42-fe84-4bd7-9713-21ff9821b207/bin/ukojak-fKGseLULKY --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 09aab7ee021274328a236afeda27749aba561ee0 ................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 05:11:34,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 05:11:34,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 05:11:34,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 05:11:34,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 05:11:34,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 05:11:34,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 05:11:34,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 05:11:34,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 05:11:34,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 05:11:34,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 05:11:34,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 05:11:34,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 05:11:34,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 05:11:34,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 05:11:34,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 05:11:34,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 05:11:34,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 05:11:34,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 05:11:34,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 05:11:34,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 05:11:34,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 05:11:34,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 05:11:34,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 05:11:34,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 05:11:34,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 05:11:34,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 05:11:34,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 05:11:34,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 05:11:34,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 05:11:34,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 05:11:34,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 05:11:34,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 05:11:34,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 05:11:34,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 05:11:34,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 05:11:34,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 05:11:34,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 05:11:34,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 05:11:34,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 05:11:34,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 05:11:34,245 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d34c42-fe84-4bd7-9713-21ff9821b207/bin/ukojak-fKGseLULKY/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-10-13 05:11:34,270 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 05:11:34,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 05:11:34,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 05:11:34,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 05:11:34,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 05:11:34,273 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 05:11:34,273 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 05:11:34,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 05:11:34,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 05:11:34,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 05:11:34,274 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 05:11:34,275 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 05:11:34,275 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 05:11:34,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 05:11:34,276 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 05:11:34,276 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 05:11:34,276 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 05:11:34,277 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 05:11:34,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 05:11:34,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 05:11:34,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 05:11:34,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 05:11:34,279 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 05:11:34,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 05:11:34,279 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_b4d34c42-fe84-4bd7-9713-21ff9821b207/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d34c42-fe84-4bd7-9713-21ff9821b207/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09aab7ee021274328a236afeda27749aba561ee0 [2021-10-13 05:11:34,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 05:11:34,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 05:11:34,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 05:11:34,595 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 05:11:34,596 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 05:11:34,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d34c42-fe84-4bd7-9713-21ff9821b207/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2021-10-13 05:11:34,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d34c42-fe84-4bd7-9713-21ff9821b207/bin/ukojak-fKGseLULKY/data/329207faf/cb6fee7c96764c3aa257196b93e9fbab/FLAG87b3fd31e [2021-10-13 05:11:35,143 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 05:11:35,144 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d34c42-fe84-4bd7-9713-21ff9821b207/sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2021-10-13 05:11:35,150 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d34c42-fe84-4bd7-9713-21ff9821b207/bin/ukojak-fKGseLULKY/data/329207faf/cb6fee7c96764c3aa257196b93e9fbab/FLAG87b3fd31e [2021-10-13 05:11:35,499 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d34c42-fe84-4bd7-9713-21ff9821b207/bin/ukojak-fKGseLULKY/data/329207faf/cb6fee7c96764c3aa257196b93e9fbab [2021-10-13 05:11:35,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 05:11:35,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 05:11:35,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 05:11:35,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 05:11:35,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 05:11:35,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:11:35" (1/1) ... [2021-10-13 05:11:35,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e03c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:11:35, skipping insertion in model container [2021-10-13 05:11:35,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:11:35" (1/1) ... [2021-10-13 05:11:35,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 05:11:35,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 05:11:35,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 05:11:35,752 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 05:11:35,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 05:11:35,800 INFO L208 MainTranslator]: Completed translation [2021-10-13 05:11:35,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:11:35 WrapperNode [2021-10-13 05:11:35,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 05:11:35,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 05:11:35,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 05:11:35,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 05:11:35,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:11:35" (1/1) ... [2021-10-13 05:11:35,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:11:35" (1/1) ... [2021-10-13 05:11:35,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 05:11:35,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 05:11:35,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 05:11:35,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 05:11:35,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:11:35" (1/1) ... [2021-10-13 05:11:35,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:11:35" (1/1) ... [2021-10-13 05:11:35,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:11:35" (1/1) ... [2021-10-13 05:11:35,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:11:35" (1/1) ... [2021-10-13 05:11:35,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:11:35" (1/1) ... [2021-10-13 05:11:35,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:11:35" (1/1) ... [2021-10-13 05:11:35,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:11:35" (1/1) ... [2021-10-13 05:11:35,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 05:11:35,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 05:11:35,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 05:11:35,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 05:11:35,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:11:35" (1/1) ... [2021-10-13 05:11:35,898 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 05:11:35,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d34c42-fe84-4bd7-9713-21ff9821b207/bin/ukojak-fKGseLULKY/z3 [2021-10-13 05:11:35,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d34c42-fe84-4bd7-9713-21ff9821b207/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 05:11:35,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d34c42-fe84-4bd7-9713-21ff9821b207/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 05:11:35,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 05:11:35,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 05:11:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 05:11:36,217 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 05:11:36,217 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-13 05:11:36,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:11:36 BoogieIcfgContainer [2021-10-13 05:11:36,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 05:11:36,221 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 05:11:36,221 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 05:11:36,231 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 05:11:36,231 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:11:36" (1/1) ... [2021-10-13 05:11:36,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 05:11:36,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:11:36,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2021-10-13 05:11:36,273 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2021-10-13 05:11:36,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-13 05:11:36,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:11:36,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:11:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:11:36,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:11:36,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:11:36,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 3 states and 2 transitions. [2021-10-13 05:11:36,577 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states and 2 transitions. [2021-10-13 05:11:36,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 05:11:36,577 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2021-10-13 05:11:36,583 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-13 05:11:36,590 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-13 05:11:36,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 05:11:36 ImpRootNode [2021-10-13 05:11:36,605 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 05:11:36,610 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 05:11:36,611 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 05:11:36,611 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 05:11:36,611 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:11:36" (3/4) ... [2021-10-13 05:11:36,614 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 05:11:36,629 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-13 05:11:36,629 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 05:11:36,629 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 05:11:36,677 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2021-10-13 05:11:36,721 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d34c42-fe84-4bd7-9713-21ff9821b207/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 05:11:36,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 05:11:36,724 INFO L168 Benchmark]: Toolchain (without parser) took 1219.05 ms. Allocated memory is still 107.0 MB. Free memory was 71.1 MB in the beginning and 52.5 MB in the end (delta: 18.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2021-10-13 05:11:36,724 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 107.0 MB. Free memory was 81.1 MB in the beginning and 81.1 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 05:11:36,725 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.42 ms. Allocated memory is still 107.0 MB. Free memory was 70.9 MB in the beginning and 82.4 MB in the end (delta: -11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 05:11:36,726 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.45 ms. Allocated memory is still 107.0 MB. Free memory was 82.4 MB in the beginning and 80.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 05:11:36,726 INFO L168 Benchmark]: Boogie Preprocessor took 47.28 ms. Allocated memory is still 107.0 MB. Free memory was 80.8 MB in the beginning and 79.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 05:11:36,727 INFO L168 Benchmark]: RCFGBuilder took 331.32 ms. Allocated memory is still 107.0 MB. Free memory was 79.3 MB in the beginning and 68.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 05:11:36,727 INFO L168 Benchmark]: CodeCheck took 385.14 ms. Allocated memory is still 107.0 MB. Free memory was 68.2 MB in the beginning and 57.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 05:11:36,728 INFO L168 Benchmark]: Witness Printer took 111.58 ms. Allocated memory is still 107.0 MB. Free memory was 57.7 MB in the beginning and 52.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 05:11:36,735 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: 328.0ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 24.7ms SsaConstructionTime, 46.3ms SatisfiabilityAnalysisTime, 101.7ms 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, 0.0ms 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 0.54 ms. Allocated memory is still 107.0 MB. Free memory was 81.1 MB in the beginning and 81.1 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 280.42 ms. Allocated memory is still 107.0 MB. Free memory was 70.9 MB in the beginning and 82.4 MB in the end (delta: -11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.45 ms. Allocated memory is still 107.0 MB. Free memory was 82.4 MB in the beginning and 80.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.28 ms. Allocated memory is still 107.0 MB. Free memory was 80.8 MB in the beginning and 79.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 331.32 ms. Allocated memory is still 107.0 MB. Free memory was 79.3 MB in the beginning and 68.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 385.14 ms. Allocated memory is still 107.0 MB. Free memory was 68.2 MB in the beginning and 57.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 111.58 ms. Allocated memory is still 107.0 MB. Free memory was 57.7 MB in the beginning and 52.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-13 05:11:36,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d34c42-fe84-4bd7-9713-21ff9821b207/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...