./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-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_97bf9143-651b-4859-b7cb-743865bc0d04/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bf9143-651b-4859-b7cb-743865bc0d04/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_97bf9143-651b-4859-b7cb-743865bc0d04/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bf9143-651b-4859-b7cb-743865bc0d04/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bf9143-651b-4859-b7cb-743865bc0d04/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_97bf9143-651b-4859-b7cb-743865bc0d04/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 5b4659b27a54f579598b48dab11e67b47aff28d030592fa757cae575afffc3b5 --- 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 16:28:56,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:28:56,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:28:56,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:28:56,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:28:56,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:28:56,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:28:56,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:28:56,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:28:56,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:28:56,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:28:56,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:28:56,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:28:56,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:28:56,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:28:56,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:28:56,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:28:56,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:28:56,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:28:56,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:28:56,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:28:56,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:28:56,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:28:56,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:28:56,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:28:56,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:28:56,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:28:56,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:28:56,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:28:56,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:28:56,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:28:56,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:28:56,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:28:56,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:28:56,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:28:56,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:28:56,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:28:56,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:28:56,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:28:56,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:28:56,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:28:56,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bf9143-651b-4859-b7cb-743865bc0d04/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:28:56,511 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:28:56,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:28:56,512 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:28:56,513 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:28:56,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:28:56,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:28:56,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:28:56,515 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:28:56,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:28:56,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:28:56,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:28:56,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:28:56,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:28:56,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:28:56,516 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:28:56,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:28:56,517 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:28:56,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:28:56,518 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:28:56,518 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:28:56,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:28:56,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:28:56,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:28:56,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:28:56,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:28:56,519 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:28:56,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:28:56,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:28:56,520 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_97bf9143-651b-4859-b7cb-743865bc0d04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bf9143-651b-4859-b7cb-743865bc0d04/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b4659b27a54f579598b48dab11e67b47aff28d030592fa757cae575afffc3b5 [2022-10-17 16:28:56,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:28:56,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:28:56,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:28:56,802 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:28:56,804 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:28:56,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bf9143-651b-4859-b7cb-743865bc0d04/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2022-10-17 16:28:56,888 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bf9143-651b-4859-b7cb-743865bc0d04/bin/ukojak-92XMlrwhuB/data/2cdbd821c/1d2cb9e564414da4a3b5c8a77c376e17/FLAG0dbe6e446 [2022-10-17 16:28:57,411 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:28:57,412 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bf9143-651b-4859-b7cb-743865bc0d04/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2022-10-17 16:28:57,425 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bf9143-651b-4859-b7cb-743865bc0d04/bin/ukojak-92XMlrwhuB/data/2cdbd821c/1d2cb9e564414da4a3b5c8a77c376e17/FLAG0dbe6e446 [2022-10-17 16:28:57,745 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bf9143-651b-4859-b7cb-743865bc0d04/bin/ukojak-92XMlrwhuB/data/2cdbd821c/1d2cb9e564414da4a3b5c8a77c376e17 [2022-10-17 16:28:57,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:28:57,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:28:57,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:28:57,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:28:57,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:28:57,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:28:57" (1/1) ... [2022-10-17 16:28:57,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a20ac94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:57, skipping insertion in model container [2022-10-17 16:28:57,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:28:57" (1/1) ... [2022-10-17 16:28:57,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:28:57,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:28:58,128 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_97bf9143-651b-4859-b7cb-743865bc0d04/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i[24132,24145] [2022-10-17 16:28:58,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:28:58,140 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:28:58,180 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_97bf9143-651b-4859-b7cb-743865bc0d04/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i[24132,24145] [2022-10-17 16:28:58,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:28:58,214 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:28:58,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:58 WrapperNode [2022-10-17 16:28:58,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:28:58,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:28:58,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:28:58,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:28:58,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:58" (1/1) ... [2022-10-17 16:28:58,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:58" (1/1) ... [2022-10-17 16:28:58,297 INFO L138 Inliner]: procedures = 122, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2022-10-17 16:28:58,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:28:58,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:28:58,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:28:58,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:28:58,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:58" (1/1) ... [2022-10-17 16:28:58,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:58" (1/1) ... [2022-10-17 16:28:58,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:58" (1/1) ... [2022-10-17 16:28:58,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:58" (1/1) ... [2022-10-17 16:28:58,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:58" (1/1) ... [2022-10-17 16:28:58,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:58" (1/1) ... [2022-10-17 16:28:58,330 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:58" (1/1) ... [2022-10-17 16:28:58,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:58" (1/1) ... [2022-10-17 16:28:58,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:28:58,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:28:58,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:28:58,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:28:58,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:58" (1/1) ... [2022-10-17 16:28:58,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:28:58,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bf9143-651b-4859-b7cb-743865bc0d04/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:28:58,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bf9143-651b-4859-b7cb-743865bc0d04/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:28:58,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97bf9143-651b-4859-b7cb-743865bc0d04/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:28:58,418 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-10-17 16:28:58,419 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-10-17 16:28:58,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:28:58,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:28:58,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:28:58,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:28:58,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:28:58,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:28:58,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:28:58,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:28:58,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:28:58,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:28:58,526 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:28:58,528 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:28:58,556 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-10-17 16:28:58,717 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:28:58,804 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:28:58,804 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:28:58,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:28:58 BoogieIcfgContainer [2022-10-17 16:28:58,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:28:58,823 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:28:58,823 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:28:58,835 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:28:58,835 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:28:58" (1/1) ... [2022-10-17 16:28:58,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:28:58,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:28:58,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2022-10-17 16:28:58,924 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2022-10-17 16:28:58,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:28:58,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:28:58,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:28:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:28:59,326 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 16:28:59,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:28:59,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-10-17 16:28:59,387 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-10-17 16:28:59,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:28:59,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:28:59,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:28:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:28:59,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:28:59,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:28:59,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2022-10-17 16:28:59,721 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2022-10-17 16:28:59,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:28:59,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:28:59,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:28:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:28:59,950 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:00,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:00,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2022-10-17 16:29:00,006 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2022-10-17 16:29:00,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:29:00,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:00,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:00,142 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:00,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:00,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2022-10-17 16:29:00,198 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2022-10-17 16:29:00,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:29:00,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:00,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:01,118 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:29:02,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:02,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2022-10-17 16:29:02,857 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2022-10-17 16:29:02,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:29:02,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:02,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:05,107 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:29:09,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:09,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2022-10-17 16:29:09,213 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2022-10-17 16:29:09,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:29:09,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:09,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:10,483 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:29:14,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:14,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 54 transitions. [2022-10-17 16:29:14,294 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2022-10-17 16:29:14,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:29:14,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:14,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:18,092 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:29:28,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:28,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2022-10-17 16:29:28,455 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2022-10-17 16:29:28,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:29:28,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:28,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat