./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_667a27a0-d42e-490d-a121-91b35c9d6945/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_667a27a0-d42e-490d-a121-91b35c9d6945/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_667a27a0-d42e-490d-a121-91b35c9d6945/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_667a27a0-d42e-490d-a121-91b35c9d6945/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_667a27a0-d42e-490d-a121-91b35c9d6945/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_667a27a0-d42e-490d-a121-91b35c9d6945/bin-2019/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 d5ace2e0a5233a1a069e0f7fcf08b00fb84e1f6e ........................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 03:00:37,549 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 03:00:37,550 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 03:00:37,556 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 03:00:37,556 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 03:00:37,557 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 03:00:37,557 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 03:00:37,558 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 03:00:37,559 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 03:00:37,560 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 03:00:37,560 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 03:00:37,560 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 03:00:37,561 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 03:00:37,561 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 03:00:37,562 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 03:00:37,562 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 03:00:37,563 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 03:00:37,564 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 03:00:37,565 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 03:00:37,565 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 03:00:37,566 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 03:00:37,567 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 03:00:37,568 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 03:00:37,568 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 03:00:37,568 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 03:00:37,568 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 03:00:37,569 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 03:00:37,569 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 03:00:37,570 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 03:00:37,570 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 03:00:37,570 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 03:00:37,571 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 03:00:37,571 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 03:00:37,571 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 03:00:37,572 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 03:00:37,572 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 03:00:37,572 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_667a27a0-d42e-490d-a121-91b35c9d6945/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-02 03:00:37,580 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 03:00:37,580 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 03:00:37,581 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 03:00:37,581 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 03:00:37,581 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 03:00:37,581 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 03:00:37,581 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 03:00:37,581 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 03:00:37,581 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 03:00:37,581 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 03:00:37,581 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 03:00:37,581 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 03:00:37,582 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 03:00:37,582 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 03:00:37,582 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 03:00:37,582 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 03:00:37,582 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 03:00:37,582 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 03:00:37,582 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 03:00:37,582 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 03:00:37,582 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 03:00:37,582 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 03:00:37,582 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 03:00:37,583 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 03:00:37,583 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 03:00:37,583 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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/working_dir_667a27a0-d42e-490d-a121-91b35c9d6945/bin-2019/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 -> d5ace2e0a5233a1a069e0f7fcf08b00fb84e1f6e [2018-12-02 03:00:37,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 03:00:37,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 03:00:37,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 03:00:37,609 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 03:00:37,609 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 03:00:37,609 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_667a27a0-d42e-490d-a121-91b35c9d6945/bin-2019/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20_true-valid-memsafety_true-termination.i [2018-12-02 03:00:37,642 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_667a27a0-d42e-490d-a121-91b35c9d6945/bin-2019/ukojak/data/40066aa9c/879c44b896be4e918f5a0a17b3ec299f/FLAG40802bd5e [2018-12-02 03:00:38,018 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 03:00:38,018 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_667a27a0-d42e-490d-a121-91b35c9d6945/sv-benchmarks/c/ldv-memsafety/memleaks_test20_true-valid-memsafety_true-termination.i [2018-12-02 03:00:38,026 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_667a27a0-d42e-490d-a121-91b35c9d6945/bin-2019/ukojak/data/40066aa9c/879c44b896be4e918f5a0a17b3ec299f/FLAG40802bd5e [2018-12-02 03:00:38,394 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_667a27a0-d42e-490d-a121-91b35c9d6945/bin-2019/ukojak/data/40066aa9c/879c44b896be4e918f5a0a17b3ec299f [2018-12-02 03:00:38,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 03:00:38,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 03:00:38,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 03:00:38,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 03:00:38,410 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 03:00:38,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:00:38" (1/1) ... [2018-12-02 03:00:38,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b582ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:38, skipping insertion in model container [2018-12-02 03:00:38,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:00:38" (1/1) ... [2018-12-02 03:00:38,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 03:00:38,440 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 03:00:38,662 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:00:38,674 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 03:00:38,707 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:00:38,740 INFO L195 MainTranslator]: Completed translation [2018-12-02 03:00:38,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:38 WrapperNode [2018-12-02 03:00:38,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 03:00:38,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 03:00:38,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 03:00:38,741 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 03:00:38,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:38" (1/1) ... [2018-12-02 03:00:38,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:38" (1/1) ... [2018-12-02 03:00:38,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 03:00:38,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 03:00:38,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 03:00:38,768 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 03:00:38,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:38" (1/1) ... [2018-12-02 03:00:38,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:38" (1/1) ... [2018-12-02 03:00:38,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:38" (1/1) ... [2018-12-02 03:00:38,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:38" (1/1) ... [2018-12-02 03:00:38,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:38" (1/1) ... [2018-12-02 03:00:38,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:38" (1/1) ... [2018-12-02 03:00:38,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:38" (1/1) ... [2018-12-02 03:00:38,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 03:00:38,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 03:00:38,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 03:00:38,781 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 03:00:38,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_667a27a0-d42e-490d-a121-91b35c9d6945/bin-2019/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 [2018-12-02 03:00:38,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 03:00:38,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 03:00:38,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 03:00:38,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 03:00:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 03:00:38,996 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 03:00:38,996 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-02 03:00:38,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:00:38 BoogieIcfgContainer [2018-12-02 03:00:38,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 03:00:38,997 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 03:00:38,997 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 03:00:39,003 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 03:00:39,003 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:00:38" (1/1) ... [2018-12-02 03:00:39,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:00:39,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:00:39,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-12-02 03:00:39,030 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-12-02 03:00:39,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-02 03:00:39,032 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:00:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:00:39,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:00:39,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:00:39,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-12-02 03:00:39,227 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-12-02 03:00:39,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 03:00:39,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:00:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:00:39,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:00:39,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:00:39,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-12-02 03:00:39,421 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-12-02 03:00:39,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 03:00:39,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:00:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:00:39,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:00:39,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:00:39,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-12-02 03:00:39,597 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-12-02 03:00:39,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 03:00:39,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:00:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:00:39,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:00:40,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:00:40,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-12-02 03:00:40,136 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-12-02 03:00:40,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 03:00:40,137 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-12-02 03:00:40,142 INFO L779 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2018-12-02 03:00:40,173 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:00:40,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 03:00:40 ImpRootNode [2018-12-02 03:00:40,176 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 03:00:40,176 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 03:00:40,176 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 03:00:40,176 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 03:00:40,176 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:00:38" (3/4) ... [2018-12-02 03:00:40,178 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 03:00:40,184 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-12-02 03:00:40,184 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 03:00:40,185 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 03:00:40,214 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_667a27a0-d42e-490d-a121-91b35c9d6945/bin-2019/ukojak/witness.graphml [2018-12-02 03:00:40,214 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 03:00:40,215 INFO L168 Benchmark]: Toolchain (without parser) took 1814.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 956.0 MB in the beginning and 812.6 MB in the end (delta: 143.4 MB). Peak memory consumption was 264.0 MB. Max. memory is 11.5 GB. [2018-12-02 03:00:40,216 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:00:40,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -133.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-12-02 03:00:40,217 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:00:40,217 INFO L168 Benchmark]: Boogie Preprocessor took 12.91 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:00:40,217 INFO L168 Benchmark]: RCFGBuilder took 215.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-12-02 03:00:40,218 INFO L168 Benchmark]: CodeCheck took 1179.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 812.6 MB in the end (delta: 244.6 MB). Peak memory consumption was 244.6 MB. Max. memory is 11.5 GB. [2018-12-02 03:00:40,218 INFO L168 Benchmark]: Witness Printer took 38.44 ms. Allocated memory is still 1.1 GB. Free memory is still 812.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:00:40,219 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 17 locations, 3 error locations. SAFE Result, 1.1s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 32 SDslu, 8 SDs, 0 SdLazy, 232 SolverSat, 124 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 83 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 501 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1476]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1466]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1466]: free always succeeds For all program executions holds that free always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 3 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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 335.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -133.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.91 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 215.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * CodeCheck took 1179.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 812.6 MB in the end (delta: 244.6 MB). Peak memory consumption was 244.6 MB. Max. memory is 11.5 GB. * Witness Printer took 38.44 ms. Allocated memory is still 1.1 GB. Free memory is still 812.6 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...