./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.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_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/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_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/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_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/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 b05b18c0458ef705f828769f88cc2a590589ce4d5c3f0e48f99be90a949f7ed4 --- 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 16:33:22,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:33:22,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:33:22,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:33:22,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:33:22,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:33:22,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:33:22,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:33:22,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:33:22,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:33:22,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:33:22,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:33:22,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:33:22,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:33:22,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:33:22,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:33:22,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:33:22,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:33:22,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:33:22,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:33:22,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:33:22,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:33:22,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:33:22,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:33:22,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:33:22,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:33:22,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:33:22,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:33:22,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:33:22,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:33:22,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:33:22,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:33:22,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:33:22,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:33:22,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:33:22,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:33:22,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:33:22,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:33:22,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:33:22,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:33:22,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:33:22,324 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:33:22,367 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:33:22,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:33:22,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:33:22,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:33:22,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:33:22,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:33:22,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:33:22,371 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:33:22,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:33:22,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:33:22,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:33:22,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:33:22,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:33:22,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:33:22,374 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:33:22,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:33:22,375 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:33:22,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:33:22,375 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:33:22,375 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:33:22,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:33:22,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:22,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:33:22,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:33:22,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:33:22,377 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:33:22,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:33:22,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:33:22,378 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_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b05b18c0458ef705f828769f88cc2a590589ce4d5c3f0e48f99be90a949f7ed4 [2022-10-17 16:33:22,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:33:22,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:33:22,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:33:22,751 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:33:22,752 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:33:22,754 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i [2022-10-17 16:33:22,826 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/bin/ukojak-92XMlrwhuB/data/419e35273/9c156df582444332bde5ab84fd96a106/FLAG0794ddb09 [2022-10-17 16:33:23,331 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:33:23,332 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i [2022-10-17 16:33:23,345 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/bin/ukojak-92XMlrwhuB/data/419e35273/9c156df582444332bde5ab84fd96a106/FLAG0794ddb09 [2022-10-17 16:33:23,674 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/bin/ukojak-92XMlrwhuB/data/419e35273/9c156df582444332bde5ab84fd96a106 [2022-10-17 16:33:23,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:33:23,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:33:23,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:23,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:33:23,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:33:23,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:23" (1/1) ... [2022-10-17 16:33:23,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416fd9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:23, skipping insertion in model container [2022-10-17 16:33:23,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:23" (1/1) ... [2022-10-17 16:33:23,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:33:23,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:33:24,188 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_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i[22534,22547] [2022-10-17 16:33:24,193 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_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i[22606,22619] [2022-10-17 16:33:24,196 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_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i[22746,22759] [2022-10-17 16:33:24,197 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_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i[22820,22833] [2022-10-17 16:33:24,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:24,218 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:33:24,284 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_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i[22534,22547] [2022-10-17 16:33:24,285 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_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i[22606,22619] [2022-10-17 16:33:24,286 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_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i[22746,22759] [2022-10-17 16:33:24,287 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_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i[22820,22833] [2022-10-17 16:33:24,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:24,319 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:33:24,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:24 WrapperNode [2022-10-17 16:33:24,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:24,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:24,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:33:24,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:33:24,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:24" (1/1) ... [2022-10-17 16:33:24,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:24" (1/1) ... [2022-10-17 16:33:24,397 INFO L138 Inliner]: procedures = 119, calls = 36, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 122 [2022-10-17 16:33:24,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:24,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:33:24,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:33:24,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:33:24,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:24" (1/1) ... [2022-10-17 16:33:24,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:24" (1/1) ... [2022-10-17 16:33:24,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:24" (1/1) ... [2022-10-17 16:33:24,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:24" (1/1) ... [2022-10-17 16:33:24,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:24" (1/1) ... [2022-10-17 16:33:24,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:24" (1/1) ... [2022-10-17 16:33:24,451 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:24" (1/1) ... [2022-10-17 16:33:24,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:24" (1/1) ... [2022-10-17 16:33:24,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:33:24,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:33:24,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:33:24,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:33:24,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:24" (1/1) ... [2022-10-17 16:33:24,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:24,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:33:24,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:33:24,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8c7246-d871-4b69-b4d3-cb84e8b0c4e0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:33:24,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:33:24,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:33:24,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:33:24,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:33:24,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:33:24,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:33:24,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:33:24,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:33:24,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:33:24,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:33:24,694 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:33:24,695 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:33:25,034 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:33:25,174 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:33:25,174 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-10-17 16:33:25,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:25 BoogieIcfgContainer [2022-10-17 16:33:25,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:33:25,178 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:33:25,178 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:33:25,189 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:33:25,190 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:25" (1/1) ... [2022-10-17 16:33:25,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:33:25,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:25,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2022-10-17 16:33:25,265 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2022-10-17 16:33:25,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:33:25,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:25,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:25,468 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 16:33:25,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:25,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2022-10-17 16:33:25,543 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2022-10-17 16:33:25,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:33:25,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:25,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:25,837 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 16:33:26,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:26,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-10-17 16:33:26,003 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-10-17 16:33:26,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:33:26,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:26,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:26,314 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 16:33:26,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:26,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 43 transitions. [2022-10-17 16:33:26,669 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2022-10-17 16:33:26,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:33:26,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:26,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:27,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:28,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:28,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 48 transitions. [2022-10-17 16:33:28,376 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2022-10-17 16:33:28,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:33:28,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:28,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:28,560 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 16:33:28,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:28,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2022-10-17 16:33:28,788 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2022-10-17 16:33:28,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:33:28,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:28,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:31,183 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:32,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:32,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2022-10-17 16:33:32,037 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2022-10-17 16:33:32,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:33:32,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:32,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:32,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:34,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:34,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 51 transitions. [2022-10-17 16:33:34,332 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2022-10-17 16:33:34,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:33:34,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:34,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:36,507 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:42,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:42,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 51 states and 82 transitions. [2022-10-17 16:33:42,566 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 82 transitions. [2022-10-17 16:33:42,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:33:42,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:42,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:42,705 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:33:43,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:43,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 52 states and 83 transitions. [2022-10-17 16:33:43,167 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 83 transitions. [2022-10-17 16:33:43,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:33:43,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:43,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:47,379 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.