./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-manipulation/tree-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu --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 3ab0e6b3adccdafccbf4f7749fddf566a909e7e6b26ed4ad49012db1c4c97a10 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:44:27,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:44:27,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:44:27,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:44:27,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:44:27,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:44:27,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:44:27,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:44:27,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:44:27,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:44:27,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:44:27,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:44:27,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:44:27,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:44:27,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:44:27,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:44:27,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:44:27,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:44:27,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:44:27,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:44:27,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:44:27,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:44:27,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:44:27,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:44:27,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:44:27,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:44:27,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:44:27,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:44:27,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:44:27,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:44:27,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:44:27,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:44:27,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:44:27,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:44:27,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:44:27,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:44:27,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:44:27,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:44:27,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:44:27,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:44:27,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:44:27,154 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:44:27,208 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:44:27,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:44:27,211 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:44:27,212 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:44:27,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:44:27,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:44:27,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:44:27,214 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:44:27,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:44:27,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:44:27,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:44:27,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:44:27,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:44:27,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:44:27,217 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:44:27,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:44:27,217 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:44:27,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:44:27,218 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:44:27,218 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:44:27,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:44:27,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:44:27,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:44:27,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:44:27,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:44:27,220 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:44:27,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:44:27,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:44:27,221 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_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ab0e6b3adccdafccbf4f7749fddf566a909e7e6b26ed4ad49012db1c4c97a10 [2021-11-23 15:44:27,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:44:27,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:44:27,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:44:27,592 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:44:27,593 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:44:27,595 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/heap-manipulation/tree-3.i [2021-11-23 15:44:27,705 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/data/ffe992bb1/736a6883be28419aba84cf30aa50405d/FLAGc6495de24 [2021-11-23 15:44:28,310 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:44:28,311 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/sv-benchmarks/c/heap-manipulation/tree-3.i [2021-11-23 15:44:28,329 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/data/ffe992bb1/736a6883be28419aba84cf30aa50405d/FLAGc6495de24 [2021-11-23 15:44:28,576 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/data/ffe992bb1/736a6883be28419aba84cf30aa50405d [2021-11-23 15:44:28,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:44:28,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:44:28,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:44:28,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:44:28,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:44:28,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:28" (1/1) ... [2021-11-23 15:44:28,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1261340c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:28, skipping insertion in model container [2021-11-23 15:44:28,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:28" (1/1) ... [2021-11-23 15:44:28,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:44:28,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:44:29,210 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_f50ec684-49ae-4887-a00a-12043ceefccd/sv-benchmarks/c/heap-manipulation/tree-3.i[22626,22639] [2021-11-23 15:44:29,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:44:29,290 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:44:29,365 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_f50ec684-49ae-4887-a00a-12043ceefccd/sv-benchmarks/c/heap-manipulation/tree-3.i[22626,22639] [2021-11-23 15:44:29,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:44:29,433 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:44:29,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:29 WrapperNode [2021-11-23 15:44:29,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:44:29,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:44:29,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:44:29,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:44:29,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:29" (1/1) ... [2021-11-23 15:44:29,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:29" (1/1) ... [2021-11-23 15:44:29,509 INFO L137 Inliner]: procedures = 122, calls = 44, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 148 [2021-11-23 15:44:29,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:44:29,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:44:29,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:44:29,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:44:29,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:29" (1/1) ... [2021-11-23 15:44:29,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:29" (1/1) ... [2021-11-23 15:44:29,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:29" (1/1) ... [2021-11-23 15:44:29,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:29" (1/1) ... [2021-11-23 15:44:29,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:29" (1/1) ... [2021-11-23 15:44:29,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:29" (1/1) ... [2021-11-23 15:44:29,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:29" (1/1) ... [2021-11-23 15:44:29,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:44:29,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:44:29,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:44:29,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:44:29,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:29" (1/1) ... [2021-11-23 15:44:29,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:44:29,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:44:29,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:44:29,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:44:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:44:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2021-11-23 15:44:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2021-11-23 15:44:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:44:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:44:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:44:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:44:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:44:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:44:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:44:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:44:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:44:29,814 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:44:29,816 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:44:30,236 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:44:30,270 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:44:30,276 INFO L158 Benchmark]: Toolchain (without parser) took 1687.65ms. Allocated memory was 90.2MB in the beginning and 130.0MB in the end (delta: 39.8MB). Free memory was 54.4MB in the beginning and 105.1MB in the end (delta: -50.6MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-11-23 15:44:30,278 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 90.2MB. Free memory was 64.2MB in the beginning and 64.2MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:44:30,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 845.42ms. Allocated memory is still 90.2MB. Free memory was 54.2MB in the beginning and 57.3MB in the end (delta: -3.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:44:30,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.21ms. Allocated memory is still 90.2MB. Free memory was 57.3MB in the beginning and 55.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:44:30,283 INFO L158 Benchmark]: Boogie Preprocessor took 49.27ms. Allocated memory is still 90.2MB. Free memory was 55.3MB in the beginning and 53.2MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:44:30,284 INFO L158 Benchmark]: RCFGBuilder took 712.47ms. Allocated memory was 90.2MB in the beginning and 130.0MB in the end (delta: 39.8MB). Free memory was 53.2MB in the beginning and 105.1MB in the end (delta: -51.8MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2021-11-23 15:44:30,305 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 90.2MB. Free memory was 64.2MB in the beginning and 64.2MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 845.42ms. Allocated memory is still 90.2MB. Free memory was 54.2MB in the beginning and 57.3MB in the end (delta: -3.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.21ms. Allocated memory is still 90.2MB. Free memory was 57.3MB in the beginning and 55.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.27ms. Allocated memory is still 90.2MB. Free memory was 55.3MB in the beginning and 53.2MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 712.47ms. Allocated memory was 90.2MB in the beginning and 130.0MB in the end (delta: 39.8MB). Free memory was 53.2MB in the beginning and 105.1MB in the end (delta: -51.8MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:44:30,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu --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 3ab0e6b3adccdafccbf4f7749fddf566a909e7e6b26ed4ad49012db1c4c97a10 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:44:33,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:44:33,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:44:33,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:44:33,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:44:33,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:44:33,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:44:33,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:44:33,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:44:33,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:44:33,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:44:33,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:44:33,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:44:33,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:44:33,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:44:33,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:44:33,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:44:33,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:44:33,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:44:33,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:44:33,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:44:33,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:44:33,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:44:33,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:44:33,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:44:33,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:44:33,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:44:33,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:44:33,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:44:33,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:44:33,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:44:33,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:44:33,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:44:33,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:44:33,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:44:33,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:44:33,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:44:33,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:44:33,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:44:33,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:44:33,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:44:33,362 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:44:33,418 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:44:33,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:44:33,421 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:44:33,421 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:44:33,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:44:33,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:44:33,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:44:33,424 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:44:33,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:44:33,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:44:33,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:44:33,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:44:33,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:44:33,427 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:44:33,427 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:44:33,428 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:44:33,428 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:44:33,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:44:33,428 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:44:33,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:44:33,429 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:44:33,429 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:44:33,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:44:33,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:44:33,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:44:33,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:44:33,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:44:33,431 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:44:33,432 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:44:33,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:44:33,432 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:44:33,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:44:33,433 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ab0e6b3adccdafccbf4f7749fddf566a909e7e6b26ed4ad49012db1c4c97a10 [2021-11-23 15:44:33,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:44:33,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:44:33,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:44:33,912 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:44:33,913 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:44:33,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/heap-manipulation/tree-3.i [2021-11-23 15:44:34,002 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/data/164cbbfa1/3c20de63c5364b039c3cb89eee77eb06/FLAG437729265 [2021-11-23 15:44:34,816 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:44:34,817 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/sv-benchmarks/c/heap-manipulation/tree-3.i [2021-11-23 15:44:34,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/data/164cbbfa1/3c20de63c5364b039c3cb89eee77eb06/FLAG437729265 [2021-11-23 15:44:34,863 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/data/164cbbfa1/3c20de63c5364b039c3cb89eee77eb06 [2021-11-23 15:44:34,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:44:34,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:44:34,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:44:34,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:44:34,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:44:34,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:34" (1/1) ... [2021-11-23 15:44:34,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fee3cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:34, skipping insertion in model container [2021-11-23 15:44:34,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:34" (1/1) ... [2021-11-23 15:44:34,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:44:34,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:44:35,310 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_f50ec684-49ae-4887-a00a-12043ceefccd/sv-benchmarks/c/heap-manipulation/tree-3.i[22626,22639] [2021-11-23 15:44:35,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:44:35,370 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:44:35,415 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_f50ec684-49ae-4887-a00a-12043ceefccd/sv-benchmarks/c/heap-manipulation/tree-3.i[22626,22639] [2021-11-23 15:44:35,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:44:35,484 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:44:35,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:35 WrapperNode [2021-11-23 15:44:35,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:44:35,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:44:35,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:44:35,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:44:35,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:35" (1/1) ... [2021-11-23 15:44:35,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:35" (1/1) ... [2021-11-23 15:44:35,585 INFO L137 Inliner]: procedures = 125, calls = 44, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 147 [2021-11-23 15:44:35,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:44:35,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:44:35,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:44:35,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:44:35,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:35" (1/1) ... [2021-11-23 15:44:35,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:35" (1/1) ... [2021-11-23 15:44:35,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:35" (1/1) ... [2021-11-23 15:44:35,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:35" (1/1) ... [2021-11-23 15:44:35,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:35" (1/1) ... [2021-11-23 15:44:35,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:35" (1/1) ... [2021-11-23 15:44:35,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:35" (1/1) ... [2021-11-23 15:44:35,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:44:35,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:44:35,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:44:35,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:44:35,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:35" (1/1) ... [2021-11-23 15:44:35,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:44:35,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:44:35,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:44:35,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:44:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:44:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2021-11-23 15:44:35,755 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2021-11-23 15:44:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:44:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:44:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:44:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:44:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:44:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:44:35,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:44:35,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:44:35,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:44:35,987 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:44:35,989 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:44:36,714 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:44:36,733 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:44:36,744 INFO L158 Benchmark]: Toolchain (without parser) took 1869.44ms. Allocated memory was 48.2MB in the beginning and 65.0MB in the end (delta: 16.8MB). Free memory was 33.0MB in the beginning and 32.2MB in the end (delta: 789.1kB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-11-23 15:44:36,746 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 48.2MB. Free memory was 29.3MB in the beginning and 29.2MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:44:36,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 613.05ms. Allocated memory was 48.2MB in the beginning and 65.0MB in the end (delta: 16.8MB). Free memory was 32.9MB in the beginning and 39.9MB in the end (delta: -7.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:44:36,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.34ms. Allocated memory is still 65.0MB. Free memory was 39.9MB in the beginning and 37.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:44:36,750 INFO L158 Benchmark]: Boogie Preprocessor took 47.80ms. Allocated memory is still 65.0MB. Free memory was 37.6MB in the beginning and 35.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:44:36,751 INFO L158 Benchmark]: RCFGBuilder took 1101.55ms. Allocated memory is still 65.0MB. Free memory was 35.4MB in the beginning and 32.2MB in the end (delta: 3.2MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2021-11-23 15:44:36,763 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 48.2MB. Free memory was 29.3MB in the beginning and 29.2MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 613.05ms. Allocated memory was 48.2MB in the beginning and 65.0MB in the end (delta: 16.8MB). Free memory was 32.9MB in the beginning and 39.9MB in the end (delta: -7.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.34ms. Allocated memory is still 65.0MB. Free memory was 39.9MB in the beginning and 37.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.80ms. Allocated memory is still 65.0MB. Free memory was 37.6MB in the beginning and 35.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1101.55ms. Allocated memory is still 65.0MB. Free memory was 35.4MB in the beginning and 32.2MB in the end (delta: 3.2MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:44:36,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50ec684-49ae-4887-a00a-12043ceefccd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable