./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-properties/simple-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_707712d8-e7de-45be-a5da-8f342d43e239/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_707712d8-e7de-45be-a5da-8f342d43e239/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_707712d8-e7de-45be-a5da-8f342d43e239/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_707712d8-e7de-45be-a5da-8f342d43e239/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/simple-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_707712d8-e7de-45be-a5da-8f342d43e239/bin/ukojak/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_707712d8-e7de-45be-a5da-8f342d43e239/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af4b28e958de4f654443dbaa4f0a24d91f735460 ............................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:20:22,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:20:22,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:20:22,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:20:22,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:20:22,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:20:22,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:20:22,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:20:22,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:20:22,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:20:22,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:20:22,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:20:22,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:20:22,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:20:22,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:20:22,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:20:22,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:20:22,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:20:22,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:20:22,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:20:22,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:20:22,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:20:22,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:20:22,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:20:22,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:20:22,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:20:22,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:20:22,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:20:22,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:20:22,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:20:22,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:20:22,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:20:22,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:20:22,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:20:22,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:20:22,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:20:22,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:20:22,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:20:22,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:20:22,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:20:22,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:20:22,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_707712d8-e7de-45be-a5da-8f342d43e239/bin/ukojak/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2020-11-29 20:20:22,777 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:20:22,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:20:22,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:20:22,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:20:22,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:20:22,781 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:20:22,781 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 20:20:22,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:20:22,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:20:22,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:20:22,788 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 20:20:22,789 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 20:20:22,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:20:22,789 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:20:22,790 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:20:22,790 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:20:22,790 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:20:22,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:20:22,791 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:20:22,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:20:22,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:20:22,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:20:22,792 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 20:20:22,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:20:22,793 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_707712d8-e7de-45be-a5da-8f342d43e239/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_707712d8-e7de-45be-a5da-8f342d43e239/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af4b28e958de4f654443dbaa4f0a24d91f735460 [2020-11-29 20:20:23,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:20:23,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:20:23,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:20:23,171 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:20:23,172 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:20:23,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_707712d8-e7de-45be-a5da-8f342d43e239/bin/ukojak/../../sv-benchmarks/c/list-properties/simple-1.i [2020-11-29 20:20:23,269 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_707712d8-e7de-45be-a5da-8f342d43e239/bin/ukojak/data/ba2f62fc1/29e272d5a4a540f49d7276f2d222a528/FLAG9dcbf9f24 [2020-11-29 20:20:23,945 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:20:23,945 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_707712d8-e7de-45be-a5da-8f342d43e239/sv-benchmarks/c/list-properties/simple-1.i [2020-11-29 20:20:23,962 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_707712d8-e7de-45be-a5da-8f342d43e239/bin/ukojak/data/ba2f62fc1/29e272d5a4a540f49d7276f2d222a528/FLAG9dcbf9f24 [2020-11-29 20:20:24,220 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_707712d8-e7de-45be-a5da-8f342d43e239/bin/ukojak/data/ba2f62fc1/29e272d5a4a540f49d7276f2d222a528 [2020-11-29 20:20:24,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:20:24,234 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:20:24,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:20:24,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:20:24,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:20:24,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:20:24" (1/1) ... [2020-11-29 20:20:24,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5daaa16d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:20:24, skipping insertion in model container [2020-11-29 20:20:24,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:20:24" (1/1) ... [2020-11-29 20:20:24,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:20:24,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:20:24,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:20:24,692 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:20:24,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:20:24,811 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:20:24,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:20:24 WrapperNode [2020-11-29 20:20:24,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:20:24,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:20:24,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:20:24,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:20:24,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:20:24" (1/1) ... [2020-11-29 20:20:24,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:20:24" (1/1) ... [2020-11-29 20:20:24,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:20:24,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:20:24,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:20:24,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:20:24,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:20:24" (1/1) ... [2020-11-29 20:20:24,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:20:24" (1/1) ... [2020-11-29 20:20:24,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:20:24" (1/1) ... [2020-11-29 20:20:24,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:20:24" (1/1) ... [2020-11-29 20:20:24,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:20:24" (1/1) ... [2020-11-29 20:20:24,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:20:24" (1/1) ... [2020-11-29 20:20:24,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:20:24" (1/1) ... [2020-11-29 20:20:24,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:20:24,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:20:24,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:20:24,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:20:24,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:20:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_707712d8-e7de-45be-a5da-8f342d43e239/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:20:25,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 20:20:25,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 20:20:25,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 20:20:25,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 20:20:25,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:20:25,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 20:20:25,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:20:25,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:20:25,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:20:25,830 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:20:25,831 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-11-29 20:20:25,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:20:25 BoogieIcfgContainer [2020-11-29 20:20:25,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:20:25,835 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 20:20:25,835 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 20:20:25,848 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 20:20:25,849 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:20:25" (1/1) ... [2020-11-29 20:20:25,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:20:25,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:25,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2020-11-29 20:20:25,917 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2020-11-29 20:20:25,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-29 20:20:25,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:26,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:20:26,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:26,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 39 states and 45 transitions. [2020-11-29 20:20:26,193 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2020-11-29 20:20:26,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-29 20:20:26,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:26,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:20:26,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:26,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions. [2020-11-29 20:20:26,463 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2020-11-29 20:20:26,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 20:20:26,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:26,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:20:26,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:26,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 38 states and 43 transitions. [2020-11-29 20:20:26,548 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2020-11-29 20:20:26,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 20:20:26,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:26,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:20:26,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:26,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 41 states and 48 transitions. [2020-11-29 20:20:26,919 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2020-11-29 20:20:26,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 20:20:26,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:27,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:20:27,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:27,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 53 transitions. [2020-11-29 20:20:27,393 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2020-11-29 20:20:27,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 20:20:27,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:27,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:20:27,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:27,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2020-11-29 20:20:27,461 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2020-11-29 20:20:27,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 20:20:27,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:27,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:20:27,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:27,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2020-11-29 20:20:27,556 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2020-11-29 20:20:27,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 20:20:27,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:27,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:20:27,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:27,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2020-11-29 20:20:27,638 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2020-11-29 20:20:27,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 20:20:27,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:27,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:20:27,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:27,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2020-11-29 20:20:27,741 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2020-11-29 20:20:27,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 20:20:27,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:27,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:20:27,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:27,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2020-11-29 20:20:27,858 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2020-11-29 20:20:27,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 20:20:27,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:27,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:20:27,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:27,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 47 states and 57 transitions. [2020-11-29 20:20:27,964 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2020-11-29 20:20:27,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 20:20:27,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:28,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:20:29,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:29,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 51 states and 64 transitions. [2020-11-29 20:20:29,060 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2020-11-29 20:20:29,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 20:20:29,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:29,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:20:29,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:29,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 57 states and 76 transitions. [2020-11-29 20:20:29,759 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2020-11-29 20:20:29,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 20:20:29,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:29,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:20:30,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:30,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 63 states and 87 transitions. [2020-11-29 20:20:30,358 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2020-11-29 20:20:30,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 20:20:30,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:30,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:20:30,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:30,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 62 states and 86 transitions. [2020-11-29 20:20:30,428 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2020-11-29 20:20:30,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 20:20:30,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:30,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:20:30,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:30,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 63 states and 93 transitions. [2020-11-29 20:20:30,899 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 93 transitions. [2020-11-29 20:20:30,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 20:20:30,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:30,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:20:30,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:30,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 91 transitions. [2020-11-29 20:20:30,961 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2020-11-29 20:20:30,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 20:20:30,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:31,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:20:31,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:31,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 64 states and 97 transitions. [2020-11-29 20:20:31,058 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 97 transitions. [2020-11-29 20:20:31,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 20:20:31,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:31,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:20:32,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:32,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2020-11-29 20:20:32,416 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2020-11-29 20:20:32,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 20:20:32,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:32,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:20:33,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:33,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 56 states and 76 transitions. [2020-11-29 20:20:33,326 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2020-11-29 20:20:33,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 20:20:33,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:33,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:20:34,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:20:34,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 48 states and 68 transitions. [2020-11-29 20:20:34,356 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2020-11-29 20:20:34,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 20:20:34,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:20:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:20:34,371 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:20:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:20:34,387 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:20:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:20:34,440 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:20:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:20:34,464 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:20:34,489 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 22 iterations. [2020-11-29 20:20:34,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 08:20:34 ImpRootNode [2020-11-29 20:20:34,517 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 20:20:34,518 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:20:34,519 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:20:34,519 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:20:34,519 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:20:25" (3/4) ... [2020-11-29 20:20:34,522 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 20:20:34,597 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_707712d8-e7de-45be-a5da-8f342d43e239/bin/ukojak/witness.graphml [2020-11-29 20:20:34,597 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:20:34,599 INFO L168 Benchmark]: Toolchain (without parser) took 10365.39 ms. Allocated memory was 111.1 MB in the beginning and 201.3 MB in the end (delta: 90.2 MB). Free memory was 83.5 MB in the beginning and 152.9 MB in the end (delta: -69.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2020-11-29 20:20:34,600 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 111.1 MB. Free memory is still 68.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:20:34,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.11 ms. Allocated memory is still 111.1 MB. Free memory was 83.2 MB in the beginning and 75.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:20:34,602 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.38 ms. Allocated memory is still 111.1 MB. Free memory was 75.9 MB in the beginning and 73.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:20:34,603 INFO L168 Benchmark]: Boogie Preprocessor took 38.32 ms. Allocated memory is still 111.1 MB. Free memory was 73.9 MB in the beginning and 72.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:20:34,604 INFO L168 Benchmark]: RCFGBuilder took 888.96 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 72.5 MB in the beginning and 108.3 MB in the end (delta: -35.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:20:34,605 INFO L168 Benchmark]: CodeCheck took 8682.69 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 108.3 MB in the beginning and 155.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-11-29 20:20:34,606 INFO L168 Benchmark]: Witness Printer took 78.51 ms. Allocated memory is still 201.3 MB. Free memory was 155.0 MB in the beginning and 152.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:20:34,627 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, 40 locations, 18 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.6s, OverallIterations: 22, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5003440 SDtfs, 6631972 SDslu, 2393728 SDs, 0 SdLazy, 28114044 SolverSat, 6529232 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1390 GetRequests, 1232 SyntacticMatches, 36 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6740 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 147 ConstructedInterpolants, 0 QuantifiedInterpolants, 6160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 4/4 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 - CounterExampleResult [Line: 531]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L532] List a = (List) malloc(sizeof(struct node)); [L533] COND FALSE !(a == 0) [L534] List t; [L535] List p = a; [L536] a->h = 2 [L537] COND FALSE !(__VERIFIER_nondet_int()) [L544] p->h = 2 [L545] p->n = 0 [L546] p = a [L547] COND TRUE p!=0 [L548] EXPR p->h [L548] COND FALSE !(p->h != 2) [L551] EXPR p->n [L551] p = p->n [L547] COND FALSE !(p!=0) [L553] return 0; * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 111.1 MB. Free memory is still 68.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 576.11 ms. Allocated memory is still 111.1 MB. Free memory was 83.2 MB in the beginning and 75.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.38 ms. Allocated memory is still 111.1 MB. Free memory was 75.9 MB in the beginning and 73.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.32 ms. Allocated memory is still 111.1 MB. Free memory was 73.9 MB in the beginning and 72.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 888.96 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 72.5 MB in the beginning and 108.3 MB in the end (delta: -35.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * CodeCheck took 8682.69 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 108.3 MB in the beginning and 155.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * Witness Printer took 78.51 ms. Allocated memory is still 201.3 MB. Free memory was 155.0 MB in the beginning and 152.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...