./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed266fab-17f5-4810-9cc7-b8136455ff6d/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed266fab-17f5-4810-9cc7-b8136455ff6d/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed266fab-17f5-4810-9cc7-b8136455ff6d/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed266fab-17f5-4810-9cc7-b8136455ff6d/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed266fab-17f5-4810-9cc7-b8136455ff6d/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed266fab-17f5-4810-9cc7-b8136455ff6d/bin/ukojak-92XMlrwhuB --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 5a7a61549e909154c33d5cf68876338c8745b83dde5aedff258c17f34600afc7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:59:03,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:59:03,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:59:03,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:59:03,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:59:03,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:59:03,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:59:03,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:59:03,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:59:03,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:59:03,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:59:03,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:59:03,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:59:03,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:59:03,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:59:03,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:59:03,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:59:03,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:59:03,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:59:03,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:59:03,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:59:03,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:59:03,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:59:03,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:59:03,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:59:03,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:59:03,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:59:03,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:59:03,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:59:03,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:59:03,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:59:03,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:59:03,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:59:03,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:59:03,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:59:03,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:59:03,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:59:03,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:59:03,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:59:03,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:59:03,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:59:03,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed266fab-17f5-4810-9cc7-b8136455ff6d/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:59:03,242 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:59:03,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:59:03,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:59:03,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:59:03,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:59:03,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:59:03,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:59:03,245 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:59:03,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:59:03,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:59:03,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:59:03,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:59:03,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:59:03,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:59:03,247 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:59:03,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:59:03,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:59:03,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:59:03,248 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:59:03,248 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:59:03,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:59:03,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:03,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:59:03,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:59:03,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:59:03,250 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:59:03,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:59:03,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:59:03,251 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_ed266fab-17f5-4810-9cc7-b8136455ff6d/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed266fab-17f5-4810-9cc7-b8136455ff6d/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a7a61549e909154c33d5cf68876338c8745b83dde5aedff258c17f34600afc7 [2022-10-17 16:59:03,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:59:03,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:59:03,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:59:03,526 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:59:03,527 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:59:03,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed266fab-17f5-4810-9cc7-b8136455ff6d/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c [2022-10-17 16:59:03,623 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed266fab-17f5-4810-9cc7-b8136455ff6d/bin/ukojak-92XMlrwhuB/data/1033566e1/5c36df1966414131bbfb5bffa105d3de/FLAG8982ca218 [2022-10-17 16:59:04,103 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:59:04,104 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed266fab-17f5-4810-9cc7-b8136455ff6d/sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c [2022-10-17 16:59:04,112 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed266fab-17f5-4810-9cc7-b8136455ff6d/bin/ukojak-92XMlrwhuB/data/1033566e1/5c36df1966414131bbfb5bffa105d3de/FLAG8982ca218 [2022-10-17 16:59:04,466 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed266fab-17f5-4810-9cc7-b8136455ff6d/bin/ukojak-92XMlrwhuB/data/1033566e1/5c36df1966414131bbfb5bffa105d3de [2022-10-17 16:59:04,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:59:04,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:59:04,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:04,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:59:04,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:59:04,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:04" (1/1) ... [2022-10-17 16:59:04,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5820f7d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:04, skipping insertion in model container [2022-10-17 16:59:04,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:04" (1/1) ... [2022-10-17 16:59:04,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:59:04,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:59:04,705 WARN L230 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_ed266fab-17f5-4810-9cc7-b8136455ff6d/sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c[618,631] [2022-10-17 16:59:04,721 WARN L1550 CHandler]: Possible shadowing of function min [2022-10-17 16:59:04,724 WARN L1550 CHandler]: Possible shadowing of function min [2022-10-17 16:59:04,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:04,751 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:59:04,764 WARN L230 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_ed266fab-17f5-4810-9cc7-b8136455ff6d/sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c[618,631] [2022-10-17 16:59:04,770 WARN L1550 CHandler]: Possible shadowing of function min [2022-10-17 16:59:04,772 WARN L1550 CHandler]: Possible shadowing of function min [2022-10-17 16:59:04,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:04,799 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:59:04,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:04 WrapperNode [2022-10-17 16:59:04,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:04,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:04,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:59:04,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:59:04,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:04" (1/1) ... [2022-10-17 16:59:04,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:04" (1/1) ... [2022-10-17 16:59:04,842 INFO L138 Inliner]: procedures = 29, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2022-10-17 16:59:04,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:04,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:59:04,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:59:04,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:59:04,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:04" (1/1) ... [2022-10-17 16:59:04,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:04" (1/1) ... [2022-10-17 16:59:04,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:04" (1/1) ... [2022-10-17 16:59:04,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:04" (1/1) ... [2022-10-17 16:59:04,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:04" (1/1) ... [2022-10-17 16:59:04,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:04" (1/1) ... [2022-10-17 16:59:04,875 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:04" (1/1) ... [2022-10-17 16:59:04,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:04" (1/1) ... [2022-10-17 16:59:04,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:59:04,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:59:04,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:59:04,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:59:04,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:04" (1/1) ... [2022-10-17 16:59:04,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:04,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed266fab-17f5-4810-9cc7-b8136455ff6d/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:59:04,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed266fab-17f5-4810-9cc7-b8136455ff6d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:59:04,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed266fab-17f5-4810-9cc7-b8136455ff6d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:59:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:59:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:59:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:59:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure tree_del [2022-10-17 16:59:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_del [2022-10-17 16:59:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:59:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure min [2022-10-17 16:59:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure min [2022-10-17 16:59:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:59:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 16:59:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 16:59:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:59:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_tree [2022-10-17 16:59:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_tree [2022-10-17 16:59:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:59:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:59:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure size [2022-10-17 16:59:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure size [2022-10-17 16:59:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:59:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:59:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:59:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:59:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure tree_inorder [2022-10-17 16:59:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_inorder [2022-10-17 16:59:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:59:05,074 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:59:05,077 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:59:05,581 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:59:05,615 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:59:05,615 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:59:05,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:05 BoogieIcfgContainer [2022-10-17 16:59:05,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:59:05,620 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:59:05,620 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:59:05,631 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:59:05,632 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:05" (1/1) ... [2022-10-17 16:59:05,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:59:05,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:05,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 74 states and 95 transitions. [2022-10-17 16:59:05,705 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2022-10-17 16:59:05,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:59:05,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:05,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:06,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:06,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:06,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 77 states and 100 transitions. [2022-10-17 16:59:06,406 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 100 transitions. [2022-10-17 16:59:06,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:59:06,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:06,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:06,693 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:59:07,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:07,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 83 states and 111 transitions. [2022-10-17 16:59:07,024 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2022-10-17 16:59:07,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:59:07,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:07,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:07,421 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-17 16:59:07,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:07,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 85 states and 114 transitions. [2022-10-17 16:59:07,919 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 114 transitions. [2022-10-17 16:59:07,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 16:59:07,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:07,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:08,555 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-17 16:59:09,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:09,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 87 states and 119 transitions. [2022-10-17 16:59:09,920 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2022-10-17 16:59:09,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-17 16:59:09,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:09,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:59:10,012 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:59:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:59:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:59:10,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:59:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:59:10,441 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2022-10-17 16:59:10,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:59:10 ImpRootNode [2022-10-17 16:59:10,527 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:59:10,528 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:59:10,528 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:59:10,528 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:59:10,529 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:05" (3/4) ... [2022-10-17 16:59:10,531 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:59:10,628 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed266fab-17f5-4810-9cc7-b8136455ff6d/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:59:10,628 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:59:10,629 INFO L158 Benchmark]: Toolchain (without parser) took 6158.33ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 88.8MB in the beginning and 81.1MB in the end (delta: 7.7MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2022-10-17 16:59:10,629 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 119.5MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:59:10,630 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.10ms. Allocated memory is still 119.5MB. Free memory was 88.4MB in the beginning and 91.4MB in the end (delta: -3.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:59:10,630 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.39ms. Allocated memory is still 119.5MB. Free memory was 91.4MB in the beginning and 89.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:59:10,631 INFO L158 Benchmark]: Boogie Preprocessor took 38.48ms. Allocated memory is still 119.5MB. Free memory was 89.8MB in the beginning and 87.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:59:10,631 INFO L158 Benchmark]: RCFGBuilder took 736.68ms. Allocated memory is still 119.5MB. Free memory was 87.7MB in the beginning and 65.9MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-10-17 16:59:10,632 INFO L158 Benchmark]: CodeCheck took 4907.37ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 65.9MB in the beginning and 85.3MB in the end (delta: -19.4MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2022-10-17 16:59:10,632 INFO L158 Benchmark]: Witness Printer took 100.60ms. Allocated memory is still 174.1MB. Free memory was 85.3MB in the beginning and 81.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:59:10,634 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 8 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 577 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 482 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 71 mSDsCounter, 106 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 406 IncrementalHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 106 mSolverCounterUnsat, 418 mSDtfsCounter, 406 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1606 GetRequests, 1528 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1370 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 62/66 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: 16]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L98] CALL, EXPR nondet_tree() [L25] COND FALSE !(__VERIFIER_nondet_bool()) [L28] struct node *n = (struct node *)malloc(sizeof(struct node)); [L29] n->data = __VERIFIER_nondet_int() [L30] CALL, EXPR nondet_tree() [L25] COND TRUE __VERIFIER_nondet_bool() [L26] return 0; VAL [\result={0:0}] [L30] RET, EXPR nondet_tree() VAL [n={-1:0}, nondet_tree()={0:0}] [L30] n->left = nondet_tree() [L31] CALL, EXPR nondet_tree() [L25] COND TRUE __VERIFIER_nondet_bool() [L26] return 0; VAL [\result={0:0}] [L31] RET, EXPR nondet_tree() VAL [n={-1:0}, nondet_tree()={0:0}] [L31] n->right = nondet_tree() [L32] return n; VAL [\result={-1:0}, n={-1:0}] [L98] RET, EXPR nondet_tree() VAL [nondet_tree()={-1:0}] [L98] CALL task(nondet_tree()) [L76] CALL, EXPR min(t) VAL [n={-1:0}] [L37] COND FALSE !(!n) [L40] EXPR n->left VAL [n={-1:0}, n={-1:0}, n->left={0:0}] [L40] CALL, EXPR min(n->left) VAL [n={0:0}] [L37] COND TRUE !n [L38] return 2147483647; VAL [\result=2147483647, n={0:0}, n={0:0}] [L40] RET, EXPR min(n->left) VAL [min(n->left)=2147483647, n={-1:0}, n={-1:0}, n->left={0:0}] [L40] int a = min(n->left); [L41] EXPR n->right VAL [a=2147483647, n={-1:0}, n={-1:0}, n->right={0:0}] [L41] CALL, EXPR min(n->right) VAL [n={0:0}] [L37] COND TRUE !n [L38] return 2147483647; VAL [\result=2147483647, n={0:0}, n={0:0}] [L41] RET, EXPR min(n->right) VAL [a=2147483647, min(n->right)=2147483647, n={-1:0}, n={-1:0}, n->right={0:0}] [L41] int b = min(n->right); [L42] COND TRUE a <= b [L42] return a; VAL [\result=2147483647, a=2147483647, b=2147483647, n={-1:0}, n={-1:0}] [L76] RET, EXPR min(t) VAL [min(t)=2147483647, t={-1:0}, t={-1:0}] [L76] int a = min(t); [L77] int b; VAL [a=2147483647, b={15621:0}, t={-1:0}, t={-1:0}] [L79] CALL, EXPR size(t) VAL [t={-1:0}] [L71] COND FALSE !(!t) [L72] EXPR t->left VAL [t={-1:0}, t={-1:0}, t->left={0:0}] [L72] CALL, EXPR size(t->left) VAL [t={0:0}] [L71] COND TRUE !t [L71] return 0; VAL [\result=0, t={0:0}, t={0:0}] [L72] RET, EXPR size(t->left) VAL [size(t->left)=0, t={-1:0}, t={-1:0}, t->left={0:0}] [L72] EXPR t->right VAL [size(t->left)=0, t={-1:0}, t={-1:0}, t->left={0:0}, t->right={0:0}] [L72] CALL, EXPR size(t->right) VAL [t={0:0}] [L71] COND TRUE !t [L71] return 0; VAL [\result=0, t={0:0}, t={0:0}] [L72] RET, EXPR size(t->right) VAL [size(t->left)=0, size(t->right)=0, t={-1:0}, t={-1:0}, t->left={0:0}, t->right={0:0}] [L72] return size(t->left) + size(t->right) + 1; [L79] RET, EXPR size(t) VAL [a=2147483647, b={15621:0}, size(t)=1, t={-1:0}, t={-1:0}] [L79] int n = size(t); [L80] CALL assume_abort_if_not(n != 0) [L10] COND FALSE !(!cond) [L80] RET assume_abort_if_not(n != 0) [L81] EXPR, FCALL calloc(n, sizeof(int)) VAL [a=2147483647, b={15621:0}, calloc(n, sizeof(int))={-2:0}, n=1, t={-1:0}, t={-1:0}] [L81] int *x = calloc(n, sizeof(int)); VAL [a=2147483647, b={15621:0}, calloc(n, sizeof(int))={-2:0}, n=1, t={-1:0}, t={-1:0}, x={-2:0}] [L82] CALL tree_inorder(t, x, n) VAL [\old(i)=1, a={-2:0}, t={-1:0}] [L60] COND FALSE !(!t) [L63] EXPR t->left VAL [\old(i)=1, a={-2:0}, a={-2:0}, i=1, t={-1:0}, t={-1:0}, t->left={0:0}] [L63] CALL, EXPR tree_inorder(t->left, a, i) VAL [\old(i)=1, a={-2:0}, t={0:0}] [L60] COND TRUE !t [L61] return i; VAL [\old(i)=1, \result=1, a={-2:0}, a={-2:0}, i=1, t={0:0}, t={0:0}] [L63] RET, EXPR tree_inorder(t->left, a, i) VAL [\old(i)=1, a={-2:0}, a={-2:0}, i=1, t={-1:0}, t={-1:0}, t->left={0:0}, tree_inorder(t->left, a, i)=1] [L63] i = tree_inorder(t->left, a, i) [L64] EXPR i++ [L64] EXPR t->data [L64] a[i++] = t->data [L65] EXPR t->right VAL [\old(i)=1, a={-2:0}, a={-2:0}, i=2, t={-1:0}, t={-1:0}, t->right={0:0}] [L65] CALL, EXPR tree_inorder(t->right, a, i) VAL [\old(i)=2, a={-2:0}, t={0:0}] [L60] COND TRUE !t [L61] return i; VAL [\old(i)=2, \result=2, a={-2:0}, a={-2:0}, i=2, t={0:0}, t={0:0}] [L65] RET, EXPR tree_inorder(t->right, a, i) VAL [\old(i)=1, a={-2:0}, a={-2:0}, i=2, t={-1:0}, t={-1:0}, t->right={0:0}, tree_inorder(t->right, a, i)=2] [L65] i = tree_inorder(t->right, a, i) [L66] return i; VAL [\old(i)=1, \result=2, a={-2:0}, a={-2:0}, i=2, t={-1:0}, t={-1:0}] [L82] RET tree_inorder(t, x, n) VAL [a=2147483647, b={15621:0}, calloc(n, sizeof(int))={-2:0}, n=1, t={-1:0}, t={-1:0}, tree_inorder(t, x, n)=2, x={-2:0}] [L83] EXPR x[0] VAL [a=2147483647, b={15621:0}, calloc(n, sizeof(int))={-2:0}, n=1, t={-1:0}, t={-1:0}, x={-2:0}, x[0]=0] [L83] CALL __VERIFIER_assert(a == x[0]) VAL [\old(cond)=0] [L16] COND TRUE !cond VAL [\old(cond)=0, cond=0] [L16] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 119.5MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.10ms. Allocated memory is still 119.5MB. Free memory was 88.4MB in the beginning and 91.4MB in the end (delta: -3.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.39ms. Allocated memory is still 119.5MB. Free memory was 91.4MB in the beginning and 89.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.48ms. Allocated memory is still 119.5MB. Free memory was 89.8MB in the beginning and 87.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 736.68ms. Allocated memory is still 119.5MB. Free memory was 87.7MB in the beginning and 65.9MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 4907.37ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 65.9MB in the beginning and 85.3MB in the end (delta: -19.4MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * Witness Printer took 100.60ms. Allocated memory is still 174.1MB. Free memory was 85.3MB in the beginning and 81.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:59:10,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed266fab-17f5-4810-9cc7-b8136455ff6d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE