./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-manipulation/tree-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d86e0b-3279-40c5-9bbd-4a46757e0e58/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d86e0b-3279-40c5-9bbd-4a46757e0e58/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d86e0b-3279-40c5-9bbd-4a46757e0e58/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d86e0b-3279-40c5-9bbd-4a46757e0e58/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d86e0b-3279-40c5-9bbd-4a46757e0e58/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d86e0b-3279-40c5-9bbd-4a46757e0e58/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:40:24,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:40:24,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:40:24,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:40:24,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:40:24,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:40:24,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:40:24,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:40:24,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:40:24,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:40:24,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:40:24,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:40:24,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:40:24,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:40:24,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:40:24,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:40:24,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:40:24,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:40:24,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:40:24,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:40:24,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:40:24,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:40:24,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:40:24,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:40:24,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:40:24,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:40:24,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:40:24,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:40:24,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:40:24,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:40:24,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:40:24,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:40:24,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:40:24,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:40:24,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:40:24,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:40:24,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:40:24,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:40:24,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:40:24,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:40:24,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:40:24,487 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d86e0b-3279-40c5-9bbd-4a46757e0e58/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:40:24,530 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:40:24,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:40:24,532 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:40:24,532 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:40:24,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:40:24,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:40:24,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:40:24,534 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:40:24,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:40:24,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:40:24,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:40:24,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:40:24,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:40:24,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:40:24,537 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:40:24,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:40:24,537 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:40:24,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:40:24,538 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:40:24,538 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:40:24,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:40:24,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:24,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:40:24,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:40:24,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:40:24,539 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:40:24,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:40:24,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:40:24,542 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_10d86e0b-3279-40c5-9bbd-4a46757e0e58/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d86e0b-3279-40c5-9bbd-4a46757e0e58/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a [2022-10-17 16:40:24,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:40:24,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:40:24,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:40:24,902 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:40:24,903 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:40:24,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d86e0b-3279-40c5-9bbd-4a46757e0e58/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/heap-manipulation/tree-2.i [2022-10-17 16:40:24,978 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d86e0b-3279-40c5-9bbd-4a46757e0e58/bin/ukojak-92XMlrwhuB/data/af6ad0be9/59f7de856de44356bec1720d5ac753aa/FLAGe52c62de8 [2022-10-17 16:40:25,478 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:40:25,482 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d86e0b-3279-40c5-9bbd-4a46757e0e58/sv-benchmarks/c/heap-manipulation/tree-2.i [2022-10-17 16:40:25,502 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d86e0b-3279-40c5-9bbd-4a46757e0e58/bin/ukojak-92XMlrwhuB/data/af6ad0be9/59f7de856de44356bec1720d5ac753aa/FLAGe52c62de8 [2022-10-17 16:40:25,795 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d86e0b-3279-40c5-9bbd-4a46757e0e58/bin/ukojak-92XMlrwhuB/data/af6ad0be9/59f7de856de44356bec1720d5ac753aa [2022-10-17 16:40:25,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:40:25,802 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:40:25,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:25,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:40:25,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:40:25,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:25" (1/1) ... [2022-10-17 16:40:25,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15aa468d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:25, skipping insertion in model container [2022-10-17 16:40:25,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:25" (1/1) ... [2022-10-17 16:40:25,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:40:25,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:40:26,269 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_10d86e0b-3279-40c5-9bbd-4a46757e0e58/sv-benchmarks/c/heap-manipulation/tree-2.i[22626,22639] [2022-10-17 16:40:26,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:26,335 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:40:26,390 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_10d86e0b-3279-40c5-9bbd-4a46757e0e58/sv-benchmarks/c/heap-manipulation/tree-2.i[22626,22639] [2022-10-17 16:40:26,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:26,454 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:40:26,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26 WrapperNode [2022-10-17 16:40:26,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:26,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:26,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:40:26,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:40:26,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,526 INFO L138 Inliner]: procedures = 122, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 144 [2022-10-17 16:40:26,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:26,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:40:26,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:40:26,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:40:26,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,575 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:40:26,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:40:26,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:40:26,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:40:26,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:26" (1/1) ... [2022-10-17 16:40:26,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:26,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d86e0b-3279-40c5-9bbd-4a46757e0e58/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:40:26,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d86e0b-3279-40c5-9bbd-4a46757e0e58/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:40:26,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d86e0b-3279-40c5-9bbd-4a46757e0e58/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:40:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:40:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2022-10-17 16:40:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2022-10-17 16:40:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:40:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:40:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:40:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:40:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:40:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:40:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:40:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:40:26,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:40:26,834 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:40:26,836 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:40:27,265 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:40:27,412 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:40:27,412 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-10-17 16:40:27,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:27 BoogieIcfgContainer [2022-10-17 16:40:27,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:40:27,416 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:40:27,416 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:40:27,427 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:40:27,443 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:27" (1/1) ... [2022-10-17 16:40:27,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:40:27,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:27,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2022-10-17 16:40:27,566 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2022-10-17 16:40:27,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:40:27,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:27,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:27,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:27,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:27,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2022-10-17 16:40:27,842 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2022-10-17 16:40:27,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:40:27,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:27,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:28,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:28,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:28,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2022-10-17 16:40:28,219 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2022-10-17 16:40:28,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:40:28,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:28,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:28,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:28,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:28,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2022-10-17 16:40:28,598 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2022-10-17 16:40:28,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:40:28,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:28,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:29,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:40:29,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:29,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2022-10-17 16:40:29,461 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2022-10-17 16:40:29,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:40:29,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:29,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:29,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:29,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:29,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2022-10-17 16:40:29,845 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2022-10-17 16:40:29,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:40:29,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:29,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat