./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3715e3d8-5502-4b23-ab8d-ad6bfdeb235e/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3715e3d8-5502-4b23-ab8d-ad6bfdeb235e/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_3715e3d8-5502-4b23-ab8d-ad6bfdeb235e/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3715e3d8-5502-4b23-ab8d-ad6bfdeb235e/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3715e3d8-5502-4b23-ab8d-ad6bfdeb235e/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_3715e3d8-5502-4b23-ab8d-ad6bfdeb235e/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 3ab0e6b3adccdafccbf4f7749fddf566a909e7e6b26ed4ad49012db1c4c97a10 --- 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 16:34:10,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:34:10,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:34:10,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:34:10,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:34:10,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:34:10,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:34:10,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:34:10,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:34:10,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:34:10,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:34:10,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:34:10,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:34:10,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:34:10,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:34:10,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:34:10,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:34:10,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:34:10,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:34:10,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:34:10,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:34:10,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:34:10,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:34:10,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:34:10,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:34:10,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:34:10,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:34:10,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:34:10,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:34:10,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:34:10,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:34:10,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:34:10,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:34:10,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:34:10,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:34:10,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:34:10,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:34:10,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:34:10,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:34:10,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:34:10,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:34:10,321 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3715e3d8-5502-4b23-ab8d-ad6bfdeb235e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:34:10,368 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:34:10,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:34:10,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:34:10,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:34:10,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:34:10,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:34:10,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:34:10,372 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:34:10,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:34:10,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:34:10,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:34:10,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:34:10,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:34:10,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:34:10,374 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:34:10,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:34:10,375 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:34:10,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:34:10,375 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:34:10,376 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:34:10,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:34:10,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:34:10,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:34:10,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:34:10,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:34:10,377 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:34:10,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:34:10,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:34:10,379 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_3715e3d8-5502-4b23-ab8d-ad6bfdeb235e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3715e3d8-5502-4b23-ab8d-ad6bfdeb235e/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ab0e6b3adccdafccbf4f7749fddf566a909e7e6b26ed4ad49012db1c4c97a10 [2022-10-17 16:34:10,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:34:10,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:34:10,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:34:10,764 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:34:10,765 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:34:10,767 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3715e3d8-5502-4b23-ab8d-ad6bfdeb235e/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/heap-manipulation/tree-3.i [2022-10-17 16:34:10,840 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3715e3d8-5502-4b23-ab8d-ad6bfdeb235e/bin/ukojak-92XMlrwhuB/data/f82df7603/5cfb59fe25c14a05a243fc14e038c45d/FLAGe910c5f97 [2022-10-17 16:34:11,330 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:34:11,331 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3715e3d8-5502-4b23-ab8d-ad6bfdeb235e/sv-benchmarks/c/heap-manipulation/tree-3.i [2022-10-17 16:34:11,354 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3715e3d8-5502-4b23-ab8d-ad6bfdeb235e/bin/ukojak-92XMlrwhuB/data/f82df7603/5cfb59fe25c14a05a243fc14e038c45d/FLAGe910c5f97 [2022-10-17 16:34:11,689 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3715e3d8-5502-4b23-ab8d-ad6bfdeb235e/bin/ukojak-92XMlrwhuB/data/f82df7603/5cfb59fe25c14a05a243fc14e038c45d [2022-10-17 16:34:11,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:34:11,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:34:11,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:34:11,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:34:11,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:34:11,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:34:11" (1/1) ... [2022-10-17 16:34:11,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab4d9b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:11, skipping insertion in model container [2022-10-17 16:34:11,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:34:11" (1/1) ... [2022-10-17 16:34:11,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:34:11,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:34:12,091 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_3715e3d8-5502-4b23-ab8d-ad6bfdeb235e/sv-benchmarks/c/heap-manipulation/tree-3.i[22626,22639] [2022-10-17 16:34:12,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:34:12,130 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:34:12,187 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_3715e3d8-5502-4b23-ab8d-ad6bfdeb235e/sv-benchmarks/c/heap-manipulation/tree-3.i[22626,22639] [2022-10-17 16:34:12,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:34:12,229 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:34:12,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:12 WrapperNode [2022-10-17 16:34:12,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:34:12,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:34:12,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:34:12,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:34:12,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:12" (1/1) ... [2022-10-17 16:34:12,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:12" (1/1) ... [2022-10-17 16:34:12,281 INFO L138 Inliner]: procedures = 122, calls = 44, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 148 [2022-10-17 16:34:12,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:34:12,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:34:12,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:34:12,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:34:12,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:12" (1/1) ... [2022-10-17 16:34:12,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:12" (1/1) ... [2022-10-17 16:34:12,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:12" (1/1) ... [2022-10-17 16:34:12,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:12" (1/1) ... [2022-10-17 16:34:12,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:12" (1/1) ... [2022-10-17 16:34:12,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:12" (1/1) ... [2022-10-17 16:34:12,314 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:12" (1/1) ... [2022-10-17 16:34:12,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:12" (1/1) ... [2022-10-17 16:34:12,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:34:12,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:34:12,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:34:12,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:34:12,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:12" (1/1) ... [2022-10-17 16:34:12,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:34:12,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3715e3d8-5502-4b23-ab8d-ad6bfdeb235e/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:34:12,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3715e3d8-5502-4b23-ab8d-ad6bfdeb235e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:34:12,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3715e3d8-5502-4b23-ab8d-ad6bfdeb235e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:34:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:34:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2022-10-17 16:34:12,421 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2022-10-17 16:34:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:34:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:34:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:34:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:34:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:34:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:34:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:34:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:34:12,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:34:12,625 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:34:12,627 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:34:13,075 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:34:13,211 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:34:13,211 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-10-17 16:34:13,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:34:13 BoogieIcfgContainer [2022-10-17 16:34:13,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:34:13,215 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:34:13,216 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:34:13,227 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:34:13,228 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:34:13" (1/1) ... [2022-10-17 16:34:13,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:34:13,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:13,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 47 transitions. [2022-10-17 16:34:13,308 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2022-10-17 16:34:13,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:34:13,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:13,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:13,462 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 16:34:13,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:13,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2022-10-17 16:34:13,517 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2022-10-17 16:34:13,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:34:13,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:13,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:13,710 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 16:34:13,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:13,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2022-10-17 16:34:13,857 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2022-10-17 16:34:13,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:34:13,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:13,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:13,969 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 16:34:14,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:14,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2022-10-17 16:34:14,263 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2022-10-17 16:34:14,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:34:14,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:14,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:15,167 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 16:34:15,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:15,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2022-10-17 16:34:15,273 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2022-10-17 16:34:15,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:34:15,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:15,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:15,462 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 16:34:15,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:15,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 47 transitions. [2022-10-17 16:34:15,722 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2022-10-17 16:34:15,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:34:15,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:15,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:36,832 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:38,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:38,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2022-10-17 16:34:38,371 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2022-10-17 16:34:38,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:34:38,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:38,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat