./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bc8d82db-1670-44e9-875c-f9173d1f034e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bc8d82db-1670-44e9-875c-f9173d1f034e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bc8d82db-1670-44e9-875c-f9173d1f034e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bc8d82db-1670-44e9-875c-f9173d1f034e/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bc8d82db-1670-44e9-875c-f9173d1f034e/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bc8d82db-1670-44e9-875c-f9173d1f034e/bin/ukojak --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 b6943849e6f46346ed71c5d8e09de50318fefe6a ................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:50:19,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:50:19,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:50:20,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:50:20,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:50:20,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:50:20,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:50:20,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:50:20,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:50:20,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:50:20,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:50:20,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:50:20,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:50:20,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:50:20,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:50:20,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:50:20,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:50:20,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:50:20,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:50:20,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:50:20,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:50:20,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:50:20,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:50:20,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:50:20,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:50:20,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:50:20,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:50:20,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:50:20,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:50:20,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:50:20,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:50:20,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:50:20,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:50:20,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:50:20,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:50:20,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:50:20,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:50:20,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:50:20,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:50:20,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:50:20,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:50:20,071 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bc8d82db-1670-44e9-875c-f9173d1f034e/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-11-29 20:50:20,112 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:50:20,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:50:20,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:50:20,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:50:20,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:50:20,115 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:50:20,115 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 20:50:20,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:50:20,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:50:20,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:50:20,117 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 20:50:20,117 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 20:50:20,117 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 20:50:20,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:50:20,118 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:50:20,118 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:50:20,118 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:50:20,118 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:50:20,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:50:20,119 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:50:20,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:50:20,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:50:20,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:50:20,120 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 20:50:20,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:50:20,120 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-vcloud-master/worker/run_dir_bc8d82db-1670-44e9-875c-f9173d1f034e/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bc8d82db-1670-44e9-875c-f9173d1f034e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6943849e6f46346ed71c5d8e09de50318fefe6a [2020-11-29 20:50:20,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:50:20,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:50:20,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:50:20,460 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:50:20,461 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:50:20,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bc8d82db-1670-44e9-875c-f9173d1f034e/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2020-11-29 20:50:20,528 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc8d82db-1670-44e9-875c-f9173d1f034e/bin/ukojak/data/60311467d/fa26ec870e02410a859938af71753492/FLAG144856047 [2020-11-29 20:50:21,169 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:50:21,169 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bc8d82db-1670-44e9-875c-f9173d1f034e/sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2020-11-29 20:50:21,200 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc8d82db-1670-44e9-875c-f9173d1f034e/bin/ukojak/data/60311467d/fa26ec870e02410a859938af71753492/FLAG144856047 [2020-11-29 20:50:21,458 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bc8d82db-1670-44e9-875c-f9173d1f034e/bin/ukojak/data/60311467d/fa26ec870e02410a859938af71753492 [2020-11-29 20:50:21,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:50:21,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:50:21,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:50:21,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:50:21,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:50:21,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:50:21" (1/1) ... [2020-11-29 20:50:21,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@711ad6c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:21, skipping insertion in model container [2020-11-29 20:50:21,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:50:21" (1/1) ... [2020-11-29 20:50:21,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:50:21,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:50:21,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:50:21,968 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:50:22,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:50:22,126 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:50:22,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:22 WrapperNode [2020-11-29 20:50:22,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:50:22,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:50:22,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:50:22,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:50:22,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:22" (1/1) ... [2020-11-29 20:50:22,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:22" (1/1) ... [2020-11-29 20:50:22,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:50:22,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:50:22,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:50:22,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:50:22,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:22" (1/1) ... [2020-11-29 20:50:22,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:22" (1/1) ... [2020-11-29 20:50:22,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:22" (1/1) ... [2020-11-29 20:50:22,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:22" (1/1) ... [2020-11-29 20:50:22,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:22" (1/1) ... [2020-11-29 20:50:22,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:22" (1/1) ... [2020-11-29 20:50:22,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:22" (1/1) ... [2020-11-29 20:50:22,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:50:22,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:50:22,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:50:22,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:50:22,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc8d82db-1670-44e9-875c-f9173d1f034e/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:50:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 20:50:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:50:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 20:50:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-29 20:50:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:50:22,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:50:22,914 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:50:22,915 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-29 20:50:22,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:50:22 BoogieIcfgContainer [2020-11-29 20:50:22,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:50:22,919 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 20:50:22,919 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 20:50:22,929 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 20:50:22,930 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:50:22" (1/1) ... [2020-11-29 20:50:22,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:22,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:50:22,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2020-11-29 20:50:22,983 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2020-11-29 20:50:22,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-29 20:50:22,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:50:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:23,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:50:23,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:50:23,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2020-11-29 20:50:23,443 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2020-11-29 20:50:23,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 20:50:23,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:50:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:23,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:50:24,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:50:24,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-11-29 20:50:24,024 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-11-29 20:50:24,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 20:50:24,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:50:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:24,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:50:24,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:50:24,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2020-11-29 20:50:24,427 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2020-11-29 20:50:24,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 20:50:24,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:50:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:24,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:50:25,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:50:25,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2020-11-29 20:50:25,384 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2020-11-29 20:50:25,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 20:50:25,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:50:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:25,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:50:26,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:50:26,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2020-11-29 20:50:26,701 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-11-29 20:50:26,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 20:50:26,702 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-11-29 20:50:26,708 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2020-11-29 20:50:26,830 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:50:26,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 08:50:26 ImpRootNode [2020-11-29 20:50:26,834 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 20:50:26,836 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:50:26,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:50:26,837 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:50:26,837 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:50:22" (3/4) ... [2020-11-29 20:50:26,841 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 20:50:26,859 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-11-29 20:50:26,860 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-29 20:50:26,860 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 20:50:26,952 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bc8d82db-1670-44e9-875c-f9173d1f034e/bin/ukojak/witness.graphml [2020-11-29 20:50:26,952 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:50:26,955 INFO L168 Benchmark]: Toolchain (without parser) took 5489.12 ms. Allocated memory was 96.5 MB in the beginning and 146.8 MB in the end (delta: 50.3 MB). Free memory was 66.1 MB in the beginning and 100.5 MB in the end (delta: -34.4 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:50:26,956 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 96.5 MB. Free memory was 55.9 MB in the beginning and 55.9 MB in the end (delta: 52.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:50:26,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.78 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 65.9 MB in the beginning and 96.8 MB in the end (delta: -31.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. [2020-11-29 20:50:26,957 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.33 ms. Allocated memory is still 121.6 MB. Free memory was 96.8 MB in the beginning and 95.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2020-11-29 20:50:26,959 INFO L168 Benchmark]: Boogie Preprocessor took 24.58 ms. Allocated memory is still 121.6 MB. Free memory was 95.6 MB in the beginning and 94.7 MB in the end (delta: 931.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:50:26,961 INFO L168 Benchmark]: RCFGBuilder took 689.09 ms. Allocated memory is still 121.6 MB. Free memory was 94.7 MB in the beginning and 68.3 MB in the end (delta: 26.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:50:26,961 INFO L168 Benchmark]: CodeCheck took 3915.90 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 68.3 MB in the beginning and 102.6 MB in the end (delta: -34.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:50:26,962 INFO L168 Benchmark]: Witness Printer took 116.99 ms. Allocated memory is still 146.8 MB. Free memory was 102.6 MB in the beginning and 100.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:50:26,965 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, 12 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 SDtfs, 80 SDslu, 16 SDs, 0 SdLazy, 576 SolverSat, 236 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 184 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1084 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 531 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 789]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 781]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 781]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 781]: free always succeeds For all program executions holds that free always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 96.5 MB. Free memory was 55.9 MB in the beginning and 55.9 MB in the end (delta: 52.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 658.78 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 65.9 MB in the beginning and 96.8 MB in the end (delta: -31.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.33 ms. Allocated memory is still 121.6 MB. Free memory was 96.8 MB in the beginning and 95.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.58 ms. Allocated memory is still 121.6 MB. Free memory was 95.6 MB in the beginning and 94.7 MB in the end (delta: 931.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 689.09 ms. Allocated memory is still 121.6 MB. Free memory was 94.7 MB in the beginning and 68.3 MB in the end (delta: 26.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * CodeCheck took 3915.90 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 68.3 MB in the beginning and 102.6 MB in the end (delta: -34.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 116.99 ms. Allocated memory is still 146.8 MB. Free memory was 102.6 MB in the beginning and 100.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...