./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_12706cd7-5a7d-4c74-8195-d0620d2b484f/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_12706cd7-5a7d-4c74-8195-d0620d2b484f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_12706cd7-5a7d-4c74-8195-d0620d2b484f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_12706cd7-5a7d-4c74-8195-d0620d2b484f/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_12706cd7-5a7d-4c74-8195-d0620d2b484f/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_12706cd7-5a7d-4c74-8195-d0620d2b484f/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 [2020-11-28 04:45:10,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:45:10,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:45:10,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:45:10,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:45:10,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:45:10,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:45:10,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:45:10,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:45:10,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:45:10,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:45:10,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:45:10,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:45:10,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:45:10,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:45:10,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:45:10,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:45:10,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:45:10,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:45:10,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:45:10,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:45:10,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:45:10,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:45:10,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:45:10,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:45:10,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:45:10,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:45:10,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:45:10,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:45:10,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:45:10,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:45:10,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:45:10,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:45:10,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:45:10,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:45:10,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:45:10,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:45:10,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:45:10,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:45:10,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:45:10,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:45:10,620 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_12706cd7-5a7d-4c74-8195-d0620d2b484f/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-11-28 04:45:10,669 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:45:10,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:45:10,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:45:10,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:45:10,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:45:10,673 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:45:10,673 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:45:10,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:45:10,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:45:10,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:45:10,675 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 04:45:10,676 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 04:45:10,676 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 04:45:10,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:45:10,676 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:45:10,677 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:45:10,677 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:45:10,677 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:45:10,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:45:10,678 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:45:10,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:45:10,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:45:10,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:45:10,679 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:45:10,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:45:10,679 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_12706cd7-5a7d-4c74-8195-d0620d2b484f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_12706cd7-5a7d-4c74-8195-d0620d2b484f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6943849e6f46346ed71c5d8e09de50318fefe6a [2020-11-28 04:45:10,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:45:10,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:45:10,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:45:10,990 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:45:10,991 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:45:10,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_12706cd7-5a7d-4c74-8195-d0620d2b484f/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2020-11-28 04:45:11,059 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12706cd7-5a7d-4c74-8195-d0620d2b484f/bin/ukojak/data/ba53bc013/7e312290585645eeb8d0069bdced111c/FLAG1802d6bd8 [2020-11-28 04:45:11,643 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:45:11,644 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_12706cd7-5a7d-4c74-8195-d0620d2b484f/sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2020-11-28 04:45:11,659 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12706cd7-5a7d-4c74-8195-d0620d2b484f/bin/ukojak/data/ba53bc013/7e312290585645eeb8d0069bdced111c/FLAG1802d6bd8 [2020-11-28 04:45:11,920 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_12706cd7-5a7d-4c74-8195-d0620d2b484f/bin/ukojak/data/ba53bc013/7e312290585645eeb8d0069bdced111c [2020-11-28 04:45:11,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:45:11,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:45:11,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:45:11,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:45:11,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:45:11,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:45:11" (1/1) ... [2020-11-28 04:45:11,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f5a3bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:11, skipping insertion in model container [2020-11-28 04:45:11,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:45:11" (1/1) ... [2020-11-28 04:45:11,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:45:12,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:45:12,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:45:12,517 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:45:12,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:45:12,708 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:45:12,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12 WrapperNode [2020-11-28 04:45:12,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:45:12,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:45:12,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:45:12,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:45:12,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12" (1/1) ... [2020-11-28 04:45:12,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12" (1/1) ... [2020-11-28 04:45:12,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:45:12,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:45:12,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:45:12,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:45:12,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12" (1/1) ... [2020-11-28 04:45:12,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12" (1/1) ... [2020-11-28 04:45:12,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12" (1/1) ... [2020-11-28 04:45:12,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12" (1/1) ... [2020-11-28 04:45:12,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12" (1/1) ... [2020-11-28 04:45:12,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12" (1/1) ... [2020-11-28 04:45:12,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12" (1/1) ... [2020-11-28 04:45:12,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:45:12,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:45:12,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:45:12,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:45:12,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12706cd7-5a7d-4c74-8195-d0620d2b484f/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 [2020-11-28 04:45:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 04:45:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:45:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:45:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-28 04:45:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:45:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:45:13,366 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:45:13,366 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-28 04:45:13,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:45:13 BoogieIcfgContainer [2020-11-28 04:45:13,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:45:13,369 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:45:13,369 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:45:13,381 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:45:13,381 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:45:13" (1/1) ... [2020-11-28 04:45:13,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:45:13,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:13,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2020-11-28 04:45:13,436 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2020-11-28 04:45:13,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 04:45:13,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:13,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:13,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:13,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2020-11-28 04:45:13,751 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2020-11-28 04:45:13,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:45:13,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:13,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:14,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:14,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-11-28 04:45:14,231 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-11-28 04:45:14,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:45:14,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:14,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:14,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:14,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2020-11-28 04:45:14,653 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2020-11-28 04:45:14,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:45:14,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:14,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:15,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:15,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2020-11-28 04:45:15,679 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2020-11-28 04:45:15,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:45:15,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:15,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:17,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:17,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2020-11-28 04:45:17,033 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-11-28 04:45:17,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:45:17,034 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-11-28 04:45:17,041 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2020-11-28 04:45:17,108 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:17,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:45:17 ImpRootNode [2020-11-28 04:45:17,111 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:45:17,112 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:45:17,112 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:45:17,112 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:45:17,113 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:45:13" (3/4) ... [2020-11-28 04:45:17,116 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:45:17,137 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-11-28 04:45:17,137 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-28 04:45:17,137 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:45:17,218 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_12706cd7-5a7d-4c74-8195-d0620d2b484f/bin/ukojak/witness.graphml [2020-11-28 04:45:17,219 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:45:17,220 INFO L168 Benchmark]: Toolchain (without parser) took 5296.05 ms. Allocated memory was 90.2 MB in the beginning and 163.6 MB in the end (delta: 73.4 MB). Free memory was 58.7 MB in the beginning and 133.6 MB in the end (delta: -74.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:45:17,221 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory is still 47.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:45:17,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 782.86 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 58.5 MB in the beginning and 88.7 MB in the end (delta: -30.2 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:17,222 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.22 ms. Allocated memory is still 113.2 MB. Free memory was 88.7 MB in the beginning and 86.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:17,222 INFO L168 Benchmark]: Boogie Preprocessor took 26.31 ms. Allocated memory is still 113.2 MB. Free memory was 86.6 MB in the beginning and 85.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:45:17,223 INFO L168 Benchmark]: RCFGBuilder took 577.08 ms. Allocated memory is still 113.2 MB. Free memory was 85.6 MB in the beginning and 58.9 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:17,223 INFO L168 Benchmark]: CodeCheck took 3742.23 ms. Allocated memory was 113.2 MB in the beginning and 163.6 MB in the end (delta: 50.3 MB). Free memory was 58.9 MB in the beginning and 136.7 MB in the end (delta: -77.8 MB). Peak memory consumption was 50.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:17,224 INFO L168 Benchmark]: Witness Printer took 106.90 ms. Allocated memory is still 163.6 MB. Free memory was 136.7 MB in the beginning and 133.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:17,227 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: 3.6s, 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, 0.4s 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, 0.6s 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 0.29 ms. Allocated memory is still 90.2 MB. Free memory is still 47.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 782.86 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 58.5 MB in the beginning and 88.7 MB in the end (delta: -30.2 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.22 ms. Allocated memory is still 113.2 MB. Free memory was 88.7 MB in the beginning and 86.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.31 ms. Allocated memory is still 113.2 MB. Free memory was 86.6 MB in the beginning and 85.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 577.08 ms. Allocated memory is still 113.2 MB. Free memory was 85.6 MB in the beginning and 58.9 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * CodeCheck took 3742.23 ms. Allocated memory was 113.2 MB in the beginning and 163.6 MB in the end (delta: 50.3 MB). Free memory was 58.9 MB in the beginning and 136.7 MB in the end (delta: -77.8 MB). Peak memory consumption was 50.6 MB. Max. memory is 16.1 GB. * Witness Printer took 106.90 ms. Allocated memory is still 163.6 MB. Free memory was 136.7 MB in the beginning and 133.6 MB in the end (delta: 3.1 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...