./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-manipulation/tree-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c449c82-bbcb-4b84-95e9-3065c9752180/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c449c82-bbcb-4b84-95e9-3065c9752180/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c449c82-bbcb-4b84-95e9-3065c9752180/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c449c82-bbcb-4b84-95e9-3065c9752180/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c449c82-bbcb-4b84-95e9-3065c9752180/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c449c82-bbcb-4b84-95e9-3065c9752180/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a ...................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:53:51,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:53:51,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:53:51,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:53:51,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:53:51,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:53:51,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:53:51,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:53:51,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:53:51,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:53:51,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:53:51,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:53:51,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:53:51,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:53:51,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:53:51,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:53:51,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:53:51,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:53:51,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:53:51,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:53:51,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:53:51,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:53:51,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:53:51,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:53:51,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:53:51,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:53:51,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:53:51,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:53:51,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:53:51,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:53:51,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:53:51,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:53:51,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:53:51,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:53:51,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:53:51,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:53:51,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:53:51,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:53:51,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:53:51,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:53:51,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:53:51,118 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c449c82-bbcb-4b84-95e9-3065c9752180/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:53:51,154 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:53:51,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:53:51,157 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:53:51,158 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:53:51,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:53:51,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:53:51,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:53:51,159 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:53:51,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:53:51,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:53:51,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:53:51,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:53:51,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:53:51,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:53:51,168 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:53:51,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:53:51,168 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:53:51,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:53:51,169 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:53:51,169 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:53:51,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:53:51,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:53:51,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:53:51,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:53:51,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:53:51,170 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:53:51,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:53:51,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:53:51,171 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_worker_vcloud-master_on_vcloud-master/run_dir_9c449c82-bbcb-4b84-95e9-3065c9752180/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c449c82-bbcb-4b84-95e9-3065c9752180/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a [2021-10-29 02:53:51,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:53:51,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:53:51,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:53:51,475 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:53:51,476 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:53:51,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c449c82-bbcb-4b84-95e9-3065c9752180/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/heap-manipulation/tree-2.i [2021-10-29 02:53:51,548 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c449c82-bbcb-4b84-95e9-3065c9752180/bin/ukojak-Rh5K9KB4LI/data/24a7a2e34/fd0b3ca0246745e69c5ecd18ebf14d63/FLAG3afa90e11 [2021-10-29 02:53:52,120 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:53:52,121 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c449c82-bbcb-4b84-95e9-3065c9752180/sv-benchmarks/c/heap-manipulation/tree-2.i [2021-10-29 02:53:52,135 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c449c82-bbcb-4b84-95e9-3065c9752180/bin/ukojak-Rh5K9KB4LI/data/24a7a2e34/fd0b3ca0246745e69c5ecd18ebf14d63/FLAG3afa90e11 [2021-10-29 02:53:52,444 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c449c82-bbcb-4b84-95e9-3065c9752180/bin/ukojak-Rh5K9KB4LI/data/24a7a2e34/fd0b3ca0246745e69c5ecd18ebf14d63 [2021-10-29 02:53:52,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:53:52,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:53:52,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:53:52,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:53:52,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:53:52,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:53:52" (1/1) ... [2021-10-29 02:53:52,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f48828d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:52, skipping insertion in model container [2021-10-29 02:53:52,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:53:52" (1/1) ... [2021-10-29 02:53:52,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:53:52,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:53:52,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c449c82-bbcb-4b84-95e9-3065c9752180/sv-benchmarks/c/heap-manipulation/tree-2.i[22626,22639] [2021-10-29 02:53:52,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:53:52,896 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:53:52,949 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c449c82-bbcb-4b84-95e9-3065c9752180/sv-benchmarks/c/heap-manipulation/tree-2.i[22626,22639] [2021-10-29 02:53:52,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:53:53,003 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:53:53,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:53 WrapperNode [2021-10-29 02:53:53,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:53:53,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:53:53,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:53:53,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:53:53,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:53" (1/1) ... [2021-10-29 02:53:53,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:53" (1/1) ... [2021-10-29 02:53:53,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:53:53,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:53:53,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:53:53,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:53:53,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:53" (1/1) ... [2021-10-29 02:53:53,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:53" (1/1) ... [2021-10-29 02:53:53,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:53" (1/1) ... [2021-10-29 02:53:53,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:53" (1/1) ... [2021-10-29 02:53:53,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:53" (1/1) ... [2021-10-29 02:53:53,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:53" (1/1) ... [2021-10-29 02:53:53,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:53" (1/1) ... [2021-10-29 02:53:53,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:53:53,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:53:53,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:53:53,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:53:53,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:53" (1/1) ... [2021-10-29 02:53:53,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:53:53,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c449c82-bbcb-4b84-95e9-3065c9752180/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:53:53,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c449c82-bbcb-4b84-95e9-3065c9752180/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:53:53,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c449c82-bbcb-4b84-95e9-3065c9752180/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:53:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 02:53:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2021-10-29 02:53:53,228 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2021-10-29 02:53:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 02:53:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 02:53:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 02:53:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:53:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 02:53:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 02:53:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:53:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:53:53,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:53:54,136 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:53:54,137 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2021-10-29 02:53:54,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:53:54 BoogieIcfgContainer [2021-10-29 02:53:54,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:53:54,140 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:53:54,140 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:53:54,151 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:53:54,151 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:53:54" (1/1) ... [2021-10-29 02:53:54,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:53:54,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:53:54,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2021-10-29 02:53:54,201 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2021-10-29 02:53:54,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 02:53:54,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:53:54,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:53:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:53:54,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:53:54,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:53:54,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2021-10-29 02:53:54,340 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2021-10-29 02:53:54,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 02:53:54,340 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:53:54,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:53:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:53:54,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:53:54,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:53:54,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2021-10-29 02:53:54,510 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2021-10-29 02:53:54,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 02:53:54,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:53:54,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:53:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:53:54,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:53:54,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:53:54,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2021-10-29 02:53:54,802 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2021-10-29 02:53:54,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 02:53:54,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:53:54,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:53:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:53:54,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 02:53:55,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:53:55,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2021-10-29 02:53:55,634 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2021-10-29 02:53:55,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 02:53:55,635 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:53:55,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:53:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:53:56,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:53:57,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:53:57,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2021-10-29 02:53:57,262 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2021-10-29 02:53:57,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 02:53:57,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:53:57,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:53:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:53:57,531 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:53:58,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:53:58,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2021-10-29 02:53:58,926 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2021-10-29 02:53:58,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 02:53:58,927 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:53:58,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:53:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:53:59,147 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:53:59,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:53:59,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 48 states and 87 transitions. [2021-10-29 02:53:59,955 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 87 transitions. [2021-10-29 02:53:59,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 02:53:59,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:53:59,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:53:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:00,076 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:00,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:00,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 91 transitions. [2021-10-29 02:54:00,600 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 91 transitions. [2021-10-29 02:54:00,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 02:54:00,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:00,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:01,109 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:54:01,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:01,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 50 states and 101 transitions. [2021-10-29 02:54:01,942 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 101 transitions. [2021-10-29 02:54:01,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 02:54:01,943 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:01,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:54:02,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:02,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 51 states and 108 transitions. [2021-10-29 02:54:02,985 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 108 transitions. [2021-10-29 02:54:02,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 02:54:02,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:02,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:03,544 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:05,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:05,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 53 states and 127 transitions. [2021-10-29 02:54:05,705 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 127 transitions. [2021-10-29 02:54:05,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 02:54:05,706 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:05,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 02:54:05,733 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 02:54:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 02:54:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 02:54:06,201 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 02:54:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 02:54:06,530 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2021-10-29 02:54:06,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 02:54:06 ImpRootNode [2021-10-29 02:54:06,563 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 02:54:06,563 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:54:06,563 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:54:06,563 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:54:06,564 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:53:54" (3/4) ... [2021-10-29 02:54:06,566 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 02:54:06,626 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c449c82-bbcb-4b84-95e9-3065c9752180/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 02:54:06,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:54:06,629 INFO L168 Benchmark]: Toolchain (without parser) took 14179.87 ms. Allocated memory was 119.5 MB in the beginning and 163.6 MB in the end (delta: 44.0 MB). Free memory was 85.8 MB in the beginning and 53.6 MB in the end (delta: 32.2 MB). Peak memory consumption was 75.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:06,630 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 83.9 MB. Free memory was 42.6 MB in the beginning and 42.6 MB in the end (delta: 40.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:54:06,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.00 ms. Allocated memory is still 119.5 MB. Free memory was 85.8 MB in the beginning and 87.9 MB in the end (delta: -2.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:06,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.29 ms. Allocated memory is still 119.5 MB. Free memory was 87.9 MB in the beginning and 85.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:06,632 INFO L168 Benchmark]: Boogie Preprocessor took 56.88 ms. Allocated memory is still 119.5 MB. Free memory was 85.8 MB in the beginning and 84.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:06,633 INFO L168 Benchmark]: RCFGBuilder took 989.98 ms. Allocated memory is still 119.5 MB. Free memory was 84.1 MB in the beginning and 90.3 MB in the end (delta: -6.2 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:06,634 INFO L168 Benchmark]: CodeCheck took 12422.49 ms. Allocated memory was 119.5 MB in the beginning and 163.6 MB in the end (delta: 44.0 MB). Free memory was 90.3 MB in the beginning and 55.7 MB in the end (delta: 34.6 MB). Peak memory consumption was 79.3 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:06,635 INFO L168 Benchmark]: Witness Printer took 63.87 ms. Allocated memory is still 163.6 MB. Free memory was 55.7 MB in the beginning and 53.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:06,639 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 2 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.3s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 20672 SDtfs, 11144 SDslu, 15692 SDs, 0 SdLazy, 32700 SolverSat, 14348 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1632 GetRequests, 1487 SyntacticMatches, 25 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4691 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 1301 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 29/48 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: 565]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L585] struct node *nodelast = ((void *)0); [L586] struct node *node = ((void *)0); [L587] COND TRUE __VERIFIER_nondet_int() [L588] node = malloc(sizeof *node) [L589] COND FALSE !(!node) [L591] node->left = ((void *)0) [L592] node->right = nodelast [L593] COND FALSE !(\read(*nodelast)) [L595] int value = __VERIFIER_nondet_int(); [L596] node->value = value [L597] nodelast = node [L587] COND FALSE !(__VERIFIER_nondet_int()) [L599] COND TRUE node != ((void *)0) [L600] node->left = malloc(sizeof *node) [L601] COND FALSE !(!node) [L603] EXPR node->left [L603] node->left->left = ((void *)0) [L604] EXPR node->left [L604] node->left->right = ((void *)0) [L605] EXPR node->left [L605] node->left->value = 42 [L606] EXPR node->left [L606] node->left->parent = node [L607] EXPR node->right [L607] node = node->right [L599] COND FALSE !(node != ((void *)0)) [L609] return nodelast; [L630] struct node *data = create_tree(); [L631] COND FALSE !(!data) [L575] COND FALSE !(!(node)) [L576] COND TRUE node != ((void *)0) [L577] node->left [L577] COND TRUE node->left [L578] EXPR node->left [L578] EXPR node->left->value [L578] COND FALSE !(!(node->left->value == 42)) [L579] EXPR node->value [L579] COND TRUE !(node->value) [L579] CALL fail() [L565] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 83.9 MB. Free memory was 42.6 MB in the beginning and 42.6 MB in the end (delta: 40.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 555.00 ms. Allocated memory is still 119.5 MB. Free memory was 85.8 MB in the beginning and 87.9 MB in the end (delta: -2.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.29 ms. Allocated memory is still 119.5 MB. Free memory was 87.9 MB in the beginning and 85.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.88 ms. Allocated memory is still 119.5 MB. Free memory was 85.8 MB in the beginning and 84.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 989.98 ms. Allocated memory is still 119.5 MB. Free memory was 84.1 MB in the beginning and 90.3 MB in the end (delta: -6.2 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. * CodeCheck took 12422.49 ms. Allocated memory was 119.5 MB in the beginning and 163.6 MB in the end (delta: 44.0 MB). Free memory was 90.3 MB in the beginning and 55.7 MB in the end (delta: 34.6 MB). Peak memory consumption was 79.3 MB. Max. memory is 16.1 GB. * Witness Printer took 63.87 ms. Allocated memory is still 163.6 MB. Free memory was 55.7 MB in the beginning and 53.6 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! [2021-10-29 02:54:06,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c449c82-bbcb-4b84-95e9-3065c9752180/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...