./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0158_1-1.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_61dab6e6-8c78-4d9e-bb6d-b7fabf8f9b90/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_61dab6e6-8c78-4d9e-bb6d-b7fabf8f9b90/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_61dab6e6-8c78-4d9e-bb6d-b7fabf8f9b90/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_61dab6e6-8c78-4d9e-bb6d-b7fabf8f9b90/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0158_1-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_61dab6e6-8c78-4d9e-bb6d-b7fabf8f9b90/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_61dab6e6-8c78-4d9e-bb6d-b7fabf8f9b90/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 aa779df617b83bdc7632b93a3c3bc0bbfee71559 ..................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:39:53,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:39:53,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:39:53,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:39:53,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:39:53,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:39:53,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:39:53,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:39:53,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:39:53,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:39:53,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:39:53,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:39:53,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:39:53,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:39:53,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:39:53,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:39:53,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:39:53,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:39:53,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:39:53,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:39:53,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:39:53,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:39:53,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:39:53,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:39:53,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:39:53,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:39:53,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:39:53,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:39:53,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:39:53,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:39:53,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:39:53,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:39:53,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:39:53,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:39:53,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:39:53,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:39:53,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:39:53,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:39:53,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:39:53,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:39:53,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:39:53,754 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_61dab6e6-8c78-4d9e-bb6d-b7fabf8f9b90/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-11-28 04:39:53,776 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:39:53,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:39:53,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:39:53,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:39:53,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:39:53,778 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:39:53,778 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:39:53,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:39:53,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:39:53,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:39:53,779 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 04:39:53,779 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 04:39:53,780 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 04:39:53,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:39:53,780 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:39:53,780 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:39:53,780 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:39:53,781 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:39:53,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:39:53,781 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:39:53,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:39:53,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:39:53,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:39:53,782 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:39:53,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:39:53,782 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_61dab6e6-8c78-4d9e-bb6d-b7fabf8f9b90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_61dab6e6-8c78-4d9e-bb6d-b7fabf8f9b90/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa779df617b83bdc7632b93a3c3bc0bbfee71559 [2020-11-28 04:39:54,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:39:54,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:39:54,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:39:54,066 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:39:54,073 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:39:54,074 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_61dab6e6-8c78-4d9e-bb6d-b7fabf8f9b90/bin/ukojak/../../sv-benchmarks/c/list-ext-properties/test-0158_1-1.i [2020-11-28 04:39:54,148 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_61dab6e6-8c78-4d9e-bb6d-b7fabf8f9b90/bin/ukojak/data/6db5820a3/059864e97cf44069874b4f2d1eecc067/FLAG0ec1a8457 [2020-11-28 04:39:54,743 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:39:54,743 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_61dab6e6-8c78-4d9e-bb6d-b7fabf8f9b90/sv-benchmarks/c/list-ext-properties/test-0158_1-1.i [2020-11-28 04:39:54,756 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_61dab6e6-8c78-4d9e-bb6d-b7fabf8f9b90/bin/ukojak/data/6db5820a3/059864e97cf44069874b4f2d1eecc067/FLAG0ec1a8457 [2020-11-28 04:39:55,030 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_61dab6e6-8c78-4d9e-bb6d-b7fabf8f9b90/bin/ukojak/data/6db5820a3/059864e97cf44069874b4f2d1eecc067 [2020-11-28 04:39:55,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:39:55,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:39:55,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:55,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:39:55,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:39:55,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:55" (1/1) ... [2020-11-28 04:39:55,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c641154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:55, skipping insertion in model container [2020-11-28 04:39:55,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:55" (1/1) ... [2020-11-28 04:39:55,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:39:55,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:39:55,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:55,447 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:39:55,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:55,571 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:39:55,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:55 WrapperNode [2020-11-28 04:39:55,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:55,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:55,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:39:55,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:39:55,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:55" (1/1) ... [2020-11-28 04:39:55,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:55" (1/1) ... [2020-11-28 04:39:55,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:55,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:39:55,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:39:55,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:39:55,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:55" (1/1) ... [2020-11-28 04:39:55,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:55" (1/1) ... [2020-11-28 04:39:55,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:55" (1/1) ... [2020-11-28 04:39:55,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:55" (1/1) ... [2020-11-28 04:39:55,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:55" (1/1) ... [2020-11-28 04:39:55,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:55" (1/1) ... [2020-11-28 04:39:55,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:55" (1/1) ... [2020-11-28 04:39:55,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:39:55,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:39:55,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:39:55,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:39:55,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_61dab6e6-8c78-4d9e-bb6d-b7fabf8f9b90/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 04:39:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:39:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:39:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 04:39:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-28 04:39:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:39:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-28 04:39:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:39:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:39:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:39:55,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:39:56,195 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:39:56,195 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-11-28 04:39:56,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:56 BoogieIcfgContainer [2020-11-28 04:39:56,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:39:56,197 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:39:56,197 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:39:56,206 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:39:56,206 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:56" (1/1) ... [2020-11-28 04:39:56,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:39:56,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:56,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2020-11-28 04:39:56,263 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2020-11-28 04:39:56,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-11-28 04:39:56,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:56,485 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 04:39:56,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:56,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2020-11-28 04:39:56,536 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2020-11-28 04:39:56,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-11-28 04:39:56,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:56,613 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 04:39:56,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:56,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2020-11-28 04:39:56,720 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2020-11-28 04:39:56,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:39:56,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:56,774 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 04:39:56,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:56,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2020-11-28 04:39:56,798 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2020-11-28 04:39:56,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:39:56,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:56,861 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 04:39:56,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:56,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2020-11-28 04:39:56,885 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-11-28 04:39:56,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:39:56,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:56,914 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 04:39:56,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:56,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2020-11-28 04:39:56,939 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2020-11-28 04:39:56,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:39:56,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:56,993 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 04:39:57,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:57,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2020-11-28 04:39:57,010 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2020-11-28 04:39:57,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:39:57,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:57,038 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 04:39:57,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:57,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2020-11-28 04:39:57,074 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2020-11-28 04:39:57,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:39:57,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:57,147 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 04:39:57,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:57,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2020-11-28 04:39:57,292 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2020-11-28 04:39:57,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:39:57,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:57,357 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 04:39:57,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:57,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2020-11-28 04:39:57,540 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2020-11-28 04:39:57,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:39:57,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:57,561 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 04:39:57,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:57,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2020-11-28 04:39:57,686 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2020-11-28 04:39:57,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:39:57,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:57,734 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 04:39:58,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:58,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2020-11-28 04:39:58,072 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2020-11-28 04:39:58,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:39:58,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:58,151 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 04:39:58,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:58,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2020-11-28 04:39:58,503 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2020-11-28 04:39:58,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:39:58,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:58,525 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 04:39:58,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:58,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2020-11-28 04:39:58,643 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2020-11-28 04:39:58,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:39:58,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:58,671 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 04:39:58,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:58,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-11-28 04:39:58,861 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-11-28 04:39:58,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:39:58,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:59,025 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 04:40:00,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:00,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2020-11-28 04:40:00,211 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2020-11-28 04:40:00,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:40:00,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:00,239 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 04:40:00,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:00,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2020-11-28 04:40:00,753 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2020-11-28 04:40:00,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:40:00,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:00,965 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 04:40:02,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:02,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2020-11-28 04:40:02,727 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2020-11-28 04:40:02,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:40:02,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:02,756 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 04:40:03,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:03,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2020-11-28 04:40:03,544 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2020-11-28 04:40:03,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:40:03,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:03,852 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 04:40:07,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:07,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2020-11-28 04:40:07,023 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2020-11-28 04:40:07,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:40:07,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:07,066 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 04:40:07,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:07,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-11-28 04:40:07,809 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-11-28 04:40:07,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:40:07,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:08,676 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 04:40:13,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2020-11-28 04:40:13,171 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2020-11-28 04:40:13,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:40:13,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:13,211 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 04:40:14,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:14,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2020-11-28 04:40:14,565 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2020-11-28 04:40:14,565 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:40:14,565 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2020-11-28 04:40:14,571 INFO L765 CodeCheckObserver]: All specifications hold 16 specifications checked. All of them hold [2020-11-28 04:40:14,882 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:40:14,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:40:14,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:40:14,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:40:14 ImpRootNode [2020-11-28 04:40:14,894 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:40:14,895 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:40:14,895 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:40:14,895 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:40:14,896 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:56" (3/4) ... [2020-11-28 04:40:14,899 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:40:14,914 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-11-28 04:40:14,914 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 04:40:14,915 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:40:14,915 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:40:14,963 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-11-28 04:40:14,994 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_61dab6e6-8c78-4d9e-bb6d-b7fabf8f9b90/bin/ukojak/witness.graphml [2020-11-28 04:40:14,994 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:40:14,996 INFO L168 Benchmark]: Toolchain (without parser) took 19960.34 ms. Allocated memory was 96.5 MB in the beginning and 262.1 MB in the end (delta: 165.7 MB). Free memory was 63.7 MB in the beginning and 108.4 MB in the end (delta: -44.7 MB). Peak memory consumption was 120.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:14,997 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 67.1 MB. Free memory was 30.0 MB in the beginning and 30.0 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:40:14,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.00 ms. Allocated memory is still 96.5 MB. Free memory was 63.5 MB in the beginning and 61.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:14,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.70 ms. Allocated memory is still 96.5 MB. Free memory was 61.9 MB in the beginning and 60.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:14,998 INFO L168 Benchmark]: Boogie Preprocessor took 44.26 ms. Allocated memory is still 96.5 MB. Free memory was 60.1 MB in the beginning and 58.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:15,001 INFO L168 Benchmark]: RCFGBuilder took 526.10 ms. Allocated memory is still 96.5 MB. Free memory was 58.9 MB in the beginning and 38.4 MB in the end (delta: 20.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:15,002 INFO L168 Benchmark]: CodeCheck took 18697.31 ms. Allocated memory was 96.5 MB in the beginning and 262.1 MB in the end (delta: 165.7 MB). Free memory was 37.9 MB in the beginning and 111.5 MB in the end (delta: -73.6 MB). Peak memory consumption was 93.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:15,002 INFO L168 Benchmark]: Witness Printer took 99.13 ms. Allocated memory is still 262.1 MB. Free memory was 111.5 MB in the beginning and 108.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:15,006 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, 30 locations, 16 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.3s, OverallIterations: 23, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5292032 SDtfs, 7693000 SDslu, 5245260 SDs, 0 SdLazy, 30472600 SolverSat, 14117688 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1214 GetRequests, 975 SyntacticMatches, 21 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18371 ImplicationChecksByTransitivity, 16.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 11630 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 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: 534]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 534]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 538]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 524]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 536]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 536]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 538]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: free always succeeds For all program executions holds that free always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 524]: Loop Invariant [2020-11-28 04:40:15,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:40:15,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 67.1 MB. Free memory was 30.0 MB in the beginning and 30.0 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 536.00 ms. Allocated memory is still 96.5 MB. Free memory was 63.5 MB in the beginning and 61.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.70 ms. Allocated memory is still 96.5 MB. Free memory was 61.9 MB in the beginning and 60.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.26 ms. Allocated memory is still 96.5 MB. Free memory was 60.1 MB in the beginning and 58.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 526.10 ms. Allocated memory is still 96.5 MB. Free memory was 58.9 MB in the beginning and 38.4 MB in the end (delta: 20.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * CodeCheck took 18697.31 ms. Allocated memory was 96.5 MB in the beginning and 262.1 MB in the end (delta: 165.7 MB). Free memory was 37.9 MB in the beginning and 111.5 MB in the end (delta: -73.6 MB). Peak memory consumption was 93.0 MB. Max. memory is 16.1 GB. * Witness Printer took 99.13 ms. Allocated memory is still 262.1 MB. Free memory was 111.5 MB in the beginning and 108.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...