./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_36ce018b-92cf-4368-b53c-0b3782fd3a38/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_36ce018b-92cf-4368-b53c-0b3782fd3a38/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_36ce018b-92cf-4368-b53c-0b3782fd3a38/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_36ce018b-92cf-4368-b53c-0b3782fd3a38/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_36ce018b-92cf-4368-b53c-0b3782fd3a38/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_36ce018b-92cf-4368-b53c-0b3782fd3a38/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 702f633b7e7ff05b6cbb070b8858a8adcd841273 ................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 18:02:41,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:02:41,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:02:41,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:02:41,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:02:41,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:02:41,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:02:41,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:02:41,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:02:41,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:02:41,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:02:41,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:02:41,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:02:41,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:02:41,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:02:41,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:02:41,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:02:41,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:02:41,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:02:41,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:02:41,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:02:41,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:02:41,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:02:41,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:02:41,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:02:41,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:02:41,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:02:41,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:02:41,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:02:41,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:02:41,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:02:41,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:02:41,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:02:41,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:02:41,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:02:41,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:02:41,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:02:41,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:02:41,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:02:41,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:02:41,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:02:42,000 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_36ce018b-92cf-4368-b53c-0b3782fd3a38/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-12-01 18:02:42,026 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:02:42,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:02:42,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:02:42,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:02:42,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:02:42,031 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:02:42,032 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 18:02:42,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:02:42,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:02:42,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:02:42,034 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 18:02:42,034 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 18:02:42,034 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 18:02:42,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:02:42,035 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:02:42,035 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:02:42,035 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:02:42,035 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:02:42,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:02:42,036 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:02:42,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:02:42,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:02:42,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:02:42,037 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:02:42,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:02:42,037 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_36ce018b-92cf-4368-b53c-0b3782fd3a38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_36ce018b-92cf-4368-b53c-0b3782fd3a38/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 702f633b7e7ff05b6cbb070b8858a8adcd841273 [2020-12-01 18:02:42,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:02:42,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:02:42,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:02:42,342 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:02:42,343 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:02:42,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_36ce018b-92cf-4368-b53c-0b3782fd3a38/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2020-12-01 18:02:42,463 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36ce018b-92cf-4368-b53c-0b3782fd3a38/bin/ukojak/data/73beebf62/bd10d36dd8b640d68ad99086d4265854/FLAG44d97d97a [2020-12-01 18:02:43,007 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:02:43,008 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_36ce018b-92cf-4368-b53c-0b3782fd3a38/sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2020-12-01 18:02:43,026 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36ce018b-92cf-4368-b53c-0b3782fd3a38/bin/ukojak/data/73beebf62/bd10d36dd8b640d68ad99086d4265854/FLAG44d97d97a [2020-12-01 18:02:43,326 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_36ce018b-92cf-4368-b53c-0b3782fd3a38/bin/ukojak/data/73beebf62/bd10d36dd8b640d68ad99086d4265854 [2020-12-01 18:02:43,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:02:43,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:02:43,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:02:43,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:02:43,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:02:43,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:02:43" (1/1) ... [2020-12-01 18:02:43,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55b86dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:43, skipping insertion in model container [2020-12-01 18:02:43,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:02:43" (1/1) ... [2020-12-01 18:02:43,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:02:43,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:02:43,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:02:43,939 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:02:44,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:02:44,135 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:02:44,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:44 WrapperNode [2020-12-01 18:02:44,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:02:44,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:02:44,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:02:44,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:02:44,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:44" (1/1) ... [2020-12-01 18:02:44,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:44" (1/1) ... [2020-12-01 18:02:44,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:02:44,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:02:44,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:02:44,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:02:44,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:44" (1/1) ... [2020-12-01 18:02:44,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:44" (1/1) ... [2020-12-01 18:02:44,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:44" (1/1) ... [2020-12-01 18:02:44,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:44" (1/1) ... [2020-12-01 18:02:44,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:44" (1/1) ... [2020-12-01 18:02:44,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:44" (1/1) ... [2020-12-01 18:02:44,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:44" (1/1) ... [2020-12-01 18:02:44,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:02:44,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:02:44,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:02:44,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:02:44,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36ce018b-92cf-4368-b53c-0b3782fd3a38/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 [2020-12-01 18:02:44,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 18:02:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:02:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 18:02:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-01 18:02:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:02:44,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:02:44,723 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:02:44,723 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-12-01 18:02:44,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:02:44 BoogieIcfgContainer [2020-12-01 18:02:44,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:02:44,727 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:02:44,727 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:02:44,768 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:02:44,779 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:02:44" (1/1) ... [2020-12-01 18:02:44,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:02:44,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:44,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2020-12-01 18:02:44,834 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2020-12-01 18:02:44,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 18:02:44,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:45,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:02:45,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:45,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-12-01 18:02:45,261 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-12-01 18:02:45,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 18:02:45,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:45,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:02:45,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:45,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2020-12-01 18:02:45,542 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2020-12-01 18:02:45,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 18:02:45,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:45,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:02:46,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:46,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-12-01 18:02:46,133 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-12-01 18:02:46,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:02:46,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:46,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:02:47,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:47,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2020-12-01 18:02:47,019 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2020-12-01 18:02:47,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 18:02:47,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:47,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:02:48,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:48,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2020-12-01 18:02:48,202 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2020-12-01 18:02:48,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:02:48,205 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-12-01 18:02:48,211 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2020-12-01 18:02:48,265 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:02:48,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:02:48 ImpRootNode [2020-12-01 18:02:48,269 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:02:48,270 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:02:48,270 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:02:48,270 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:02:48,271 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:02:44" (3/4) ... [2020-12-01 18:02:48,274 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:02:48,287 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-01 18:02:48,287 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 18:02:48,287 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:02:48,357 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_36ce018b-92cf-4368-b53c-0b3782fd3a38/bin/ukojak/witness.graphml [2020-12-01 18:02:48,357 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:02:48,359 INFO L168 Benchmark]: Toolchain (without parser) took 5028.88 ms. Allocated memory was 86.0 MB in the beginning and 134.2 MB in the end (delta: 48.2 MB). Free memory was 52.6 MB in the beginning and 59.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 41.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:48,361 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 86.0 MB. Free memory was 44.0 MB in the beginning and 44.0 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:02:48,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.04 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 52.4 MB in the beginning and 64.6 MB in the end (delta: -12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:48,364 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.48 ms. Allocated memory is still 111.1 MB. Free memory was 64.6 MB in the beginning and 62.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:48,365 INFO L168 Benchmark]: Boogie Preprocessor took 25.53 ms. Allocated memory is still 111.1 MB. Free memory was 62.6 MB in the beginning and 61.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:48,365 INFO L168 Benchmark]: RCFGBuilder took 512.56 ms. Allocated memory is still 111.1 MB. Free memory was 61.5 MB in the beginning and 85.8 MB in the end (delta: -24.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:48,368 INFO L168 Benchmark]: CodeCheck took 3542.53 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 85.8 MB in the beginning and 61.8 MB in the end (delta: 24.0 MB). Peak memory consumption was 47.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:48,369 INFO L168 Benchmark]: Witness Printer took 88.18 ms. Allocated memory is still 134.2 MB. Free memory was 61.8 MB in the beginning and 59.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:48,373 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, 11 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 56 SDslu, 0 SDs, 0 SdLazy, 484 SolverSat, 264 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1412 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 506 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: 779]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 772]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 772]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 772]: 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 0.39 ms. Allocated memory is still 86.0 MB. Free memory was 44.0 MB in the beginning and 44.0 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 799.04 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 52.4 MB in the beginning and 64.6 MB in the end (delta: -12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.48 ms. Allocated memory is still 111.1 MB. Free memory was 64.6 MB in the beginning and 62.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.53 ms. Allocated memory is still 111.1 MB. Free memory was 62.6 MB in the beginning and 61.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 512.56 ms. Allocated memory is still 111.1 MB. Free memory was 61.5 MB in the beginning and 85.8 MB in the end (delta: -24.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. * CodeCheck took 3542.53 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 85.8 MB in the beginning and 61.8 MB in the end (delta: 24.0 MB). Peak memory consumption was 47.5 MB. Max. memory is 16.1 GB. * Witness Printer took 88.18 ms. Allocated memory is still 134.2 MB. Free memory was 61.8 MB in the beginning and 59.7 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...