./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-manipulation/tree-4.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_6df2e6c5-5138-471f-ac62-6f2e2ad4b539/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df2e6c5-5138-471f-ac62-6f2e2ad4b539/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_6df2e6c5-5138-471f-ac62-6f2e2ad4b539/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df2e6c5-5138-471f-ac62-6f2e2ad4b539/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df2e6c5-5138-471f-ac62-6f2e2ad4b539/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_6df2e6c5-5138-471f-ac62-6f2e2ad4b539/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 93cf6e13715dcd5309cb599b4358d41a64464f02c52b3716bc554a9d0e833f5e ................................................................................................................................................................................................................................................................................................................................................ 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 04:30:34,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:30:34,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:30:34,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:30:34,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:30:34,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:30:34,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:30:34,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:30:34,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:30:34,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:30:34,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:30:34,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:30:34,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:30:34,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:30:34,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:30:34,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:30:34,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:30:34,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:30:34,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:30:34,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:30:34,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:30:34,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:30:34,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:30:34,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:30:34,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:30:34,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:30:34,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:30:34,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:30:34,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:30:34,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:30:34,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:30:34,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:30:34,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:30:34,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:30:34,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:30:34,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:30:34,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:30:34,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:30:34,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:30:34,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:30:34,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:30:34,167 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df2e6c5-5138-471f-ac62-6f2e2ad4b539/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:30:34,210 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:30:34,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:30:34,211 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:30:34,212 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:30:34,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:30:34,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:30:34,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:30:34,213 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:30:34,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:30:34,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:30:34,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:30:34,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:30:34,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:30:34,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:30:34,216 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:30:34,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:30:34,216 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:30:34,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:30:34,216 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:30:34,217 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:30:34,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:30:34,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:30:34,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:30:34,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:30:34,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:30:34,218 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:30:34,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:30:34,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:30:34,219 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_6df2e6c5-5138-471f-ac62-6f2e2ad4b539/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df2e6c5-5138-471f-ac62-6f2e2ad4b539/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93cf6e13715dcd5309cb599b4358d41a64464f02c52b3716bc554a9d0e833f5e [2021-10-29 04:30:34,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:30:34,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:30:34,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:30:34,591 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:30:34,592 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:30:34,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df2e6c5-5138-471f-ac62-6f2e2ad4b539/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/heap-manipulation/tree-4.i [2021-10-29 04:30:34,672 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df2e6c5-5138-471f-ac62-6f2e2ad4b539/bin/ukojak-Rh5K9KB4LI/data/22cb0221f/d3cc7e0ac8f740108b1fa5b083e7f752/FLAGf43423bb3 [2021-10-29 04:30:35,291 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:30:35,291 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df2e6c5-5138-471f-ac62-6f2e2ad4b539/sv-benchmarks/c/heap-manipulation/tree-4.i [2021-10-29 04:30:35,306 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df2e6c5-5138-471f-ac62-6f2e2ad4b539/bin/ukojak-Rh5K9KB4LI/data/22cb0221f/d3cc7e0ac8f740108b1fa5b083e7f752/FLAGf43423bb3 [2021-10-29 04:30:35,567 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df2e6c5-5138-471f-ac62-6f2e2ad4b539/bin/ukojak-Rh5K9KB4LI/data/22cb0221f/d3cc7e0ac8f740108b1fa5b083e7f752 [2021-10-29 04:30:35,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:30:35,574 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:30:35,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:30:35,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:30:35,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:30:35,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:30:35" (1/1) ... [2021-10-29 04:30:35,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@252ce562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:30:35, skipping insertion in model container [2021-10-29 04:30:35,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:30:35" (1/1) ... [2021-10-29 04:30:35,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:30:35,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:30:35,948 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_6df2e6c5-5138-471f-ac62-6f2e2ad4b539/sv-benchmarks/c/heap-manipulation/tree-4.i[22626,22639] [2021-10-29 04:30:35,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:30:35,980 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:30:36,015 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_6df2e6c5-5138-471f-ac62-6f2e2ad4b539/sv-benchmarks/c/heap-manipulation/tree-4.i[22626,22639] [2021-10-29 04:30:36,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:30:36,057 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:30:36,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:30:36 WrapperNode [2021-10-29 04:30:36,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:30:36,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:30:36,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:30:36,060 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:30:36,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:30:36" (1/1) ... [2021-10-29 04:30:36,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:30:36" (1/1) ... [2021-10-29 04:30:36,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:30:36,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:30:36,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:30:36,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:30:36,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:30:36" (1/1) ... [2021-10-29 04:30:36,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:30:36" (1/1) ... [2021-10-29 04:30:36,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:30:36" (1/1) ... [2021-10-29 04:30:36,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:30:36" (1/1) ... [2021-10-29 04:30:36,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:30:36" (1/1) ... [2021-10-29 04:30:36,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:30:36" (1/1) ... [2021-10-29 04:30:36,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:30:36" (1/1) ... [2021-10-29 04:30:36,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:30:36,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:30:36,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:30:36,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:30:36,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:30:36" (1/1) ... [2021-10-29 04:30:36,167 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:30:36,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df2e6c5-5138-471f-ac62-6f2e2ad4b539/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:30:36,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df2e6c5-5138-471f-ac62-6f2e2ad4b539/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:30:36,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df2e6c5-5138-471f-ac62-6f2e2ad4b539/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:30:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 04:30:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2021-10-29 04:30:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2021-10-29 04:30:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 04:30:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 04:30:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 04:30:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:30:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 04:30:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:30:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:30:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:30:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:30:37,146 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:30:37,146 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2021-10-29 04:30:37,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:30:37 BoogieIcfgContainer [2021-10-29 04:30:37,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:30:37,150 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:30:37,150 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:30:37,161 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:30:37,161 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:30:37" (1/1) ... [2021-10-29 04:30:37,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:30:37,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:37,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 47 transitions. [2021-10-29 04:30:37,208 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2021-10-29 04:30:37,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:30:37,210 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:37,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:37,388 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 04:30:37,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:37,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2021-10-29 04:30:37,402 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2021-10-29 04:30:37,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:30:37,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:37,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:37,513 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 04:30:37,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:37,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2021-10-29 04:30:37,611 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2021-10-29 04:30:37,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:30:37,612 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:37,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:37,762 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 04:30:38,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:38,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2021-10-29 04:30:38,031 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2021-10-29 04:30:38,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:30:38,032 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:38,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:38,136 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 04:30:38,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:38,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2021-10-29 04:30:38,864 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2021-10-29 04:30:38,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:30:38,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:38,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:39,139 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 04:30:40,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:40,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2021-10-29 04:30:40,252 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2021-10-29 04:30:40,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:30:40,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:40,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:40,591 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 04:30:42,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:42,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 48 states and 87 transitions. [2021-10-29 04:30:42,604 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 87 transitions. [2021-10-29 04:30:42,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:30:42,605 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:42,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:42,901 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 04:30:43,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:43,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 52 states and 96 transitions. [2021-10-29 04:30:43,943 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2021-10-29 04:30:43,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:30:43,944 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:43,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:44,027 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 04:30:44,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:44,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 53 states and 101 transitions. [2021-10-29 04:30:44,667 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 101 transitions. [2021-10-29 04:30:44,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:30:44,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:44,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:45,593 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 04:30:48,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:48,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 55 states and 121 transitions. [2021-10-29 04:30:48,140 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 121 transitions. [2021-10-29 04:30:48,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:30:48,141 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:48,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:48,702 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:30:50,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:50,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 56 states and 136 transitions. [2021-10-29 04:30:50,295 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 136 transitions. [2021-10-29 04:30:50,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:30:50,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:50,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:30:50,321 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:30:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:30:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:30:50,989 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:30:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:30:51,483 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2021-10-29 04:30:51,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:30:51 ImpRootNode [2021-10-29 04:30:51,517 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:30:51,518 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:30:51,518 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:30:51,518 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:30:51,519 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:30:37" (3/4) ... [2021-10-29 04:30:51,520 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 04:30:51,600 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df2e6c5-5138-471f-ac62-6f2e2ad4b539/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:30:51,600 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:30:51,602 INFO L168 Benchmark]: Toolchain (without parser) took 16027.56 ms. Allocated memory was 102.8 MB in the beginning and 163.6 MB in the end (delta: 60.8 MB). Free memory was 68.0 MB in the beginning and 51.2 MB in the end (delta: 16.8 MB). Peak memory consumption was 75.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:30:51,603 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 102.8 MB. Free memory is still 56.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:30:51,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.82 ms. Allocated memory was 102.8 MB in the beginning and 136.3 MB in the end (delta: 33.6 MB). Free memory was 67.8 MB in the beginning and 102.4 MB in the end (delta: -34.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:30:51,605 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.50 ms. Allocated memory is still 136.3 MB. Free memory was 102.4 MB in the beginning and 100.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:30:51,606 INFO L168 Benchmark]: Boogie Preprocessor took 35.38 ms. Allocated memory is still 136.3 MB. Free memory was 100.3 MB in the beginning and 98.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:30:51,606 INFO L168 Benchmark]: RCFGBuilder took 1002.52 ms. Allocated memory is still 136.3 MB. Free memory was 98.7 MB in the beginning and 69.3 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:30:51,607 INFO L168 Benchmark]: CodeCheck took 14367.04 ms. Allocated memory was 136.3 MB in the beginning and 163.6 MB in the end (delta: 27.3 MB). Free memory was 69.3 MB in the beginning and 54.3 MB in the end (delta: 15.0 MB). Peak memory consumption was 44.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:30:51,608 INFO L168 Benchmark]: Witness Printer took 83.03 ms. Allocated memory is still 163.6 MB. Free memory was 54.3 MB in the beginning and 51.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:30:51,613 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, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.3s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 11744 SDtfs, 7504 SDslu, 8544 SDs, 0 SdLazy, 19698 SolverSat, 7598 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1537 GetRequests, 1376 SyntacticMatches, 27 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6446 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 1511 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 23/39 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->parent = ((void *)0) [L601] COND TRUE node != ((void *)0) [L602] node->left = malloc(sizeof *node) [L603] COND FALSE !(!node) [L605] EXPR node->left [L605] node->left->left = ((void *)0) [L606] EXPR node->left [L606] node->left->right = ((void *)0) [L607] EXPR node->left [L607] node->left->value = 42 [L608] EXPR node->left [L608] node->left->parent = node [L609] EXPR node->right [L609] node = node->right [L601] COND FALSE !(node != ((void *)0)) [L611] return nodelast; [L632] struct node *data = create_tree(); [L633] 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 0.21 ms. Allocated memory is still 102.8 MB. Free memory is still 56.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 482.82 ms. Allocated memory was 102.8 MB in the beginning and 136.3 MB in the end (delta: 33.6 MB). Free memory was 67.8 MB in the beginning and 102.4 MB in the end (delta: -34.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.50 ms. Allocated memory is still 136.3 MB. Free memory was 102.4 MB in the beginning and 100.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.38 ms. Allocated memory is still 136.3 MB. Free memory was 100.3 MB in the beginning and 98.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1002.52 ms. Allocated memory is still 136.3 MB. Free memory was 98.7 MB in the beginning and 69.3 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * CodeCheck took 14367.04 ms. Allocated memory was 136.3 MB in the beginning and 163.6 MB in the end (delta: 27.3 MB). Free memory was 69.3 MB in the beginning and 54.3 MB in the end (delta: 15.0 MB). Peak memory consumption was 44.9 MB. Max. memory is 16.1 GB. * Witness Printer took 83.03 ms. Allocated memory is still 163.6 MB. Free memory was 54.3 MB in the beginning and 51.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 04:30:51,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df2e6c5-5138-471f-ac62-6f2e2ad4b539/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...