./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-properties/alternating_list-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_ca28bea0-2086-45f5-a3a2-b48c7feaa0ba/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca28bea0-2086-45f5-a3a2-b48c7feaa0ba/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_ca28bea0-2086-45f5-a3a2-b48c7feaa0ba/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca28bea0-2086-45f5-a3a2-b48c7feaa0ba/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/list-properties/alternating_list-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca28bea0-2086-45f5-a3a2-b48c7feaa0ba/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_ca28bea0-2086-45f5-a3a2-b48c7feaa0ba/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 941f3dd0e4566f414ae914eed10af26405f8e9f2f3d427c146090b07336d2fc2 --- 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 16:56:20,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:56:20,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:56:20,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:56:20,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:56:20,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:56:20,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:56:20,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:56:20,393 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:56:20,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:56:20,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:56:20,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:56:20,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:56:20,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:56:20,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:56:20,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:56:20,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:56:20,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:56:20,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:56:20,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:56:20,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:56:20,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:56:20,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:56:20,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:56:20,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:56:20,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:56:20,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:56:20,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:56:20,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:56:20,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:56:20,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:56:20,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:56:20,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:56:20,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:56:20,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:56:20,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:56:20,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:56:20,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:56:20,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:56:20,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:56:20,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:56:20,459 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca28bea0-2086-45f5-a3a2-b48c7feaa0ba/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:56:20,492 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:56:20,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:56:20,497 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:56:20,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:56:20,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:56:20,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:56:20,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:56:20,499 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:56:20,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:56:20,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:56:20,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:56:20,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:56:20,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:56:20,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:56:20,501 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:56:20,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:56:20,502 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:56:20,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:56:20,502 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:56:20,503 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:56:20,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:56:20,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:56:20,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:56:20,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:56:20,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:56:20,511 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:56:20,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:56:20,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:56:20,511 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_ca28bea0-2086-45f5-a3a2-b48c7feaa0ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca28bea0-2086-45f5-a3a2-b48c7feaa0ba/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 941f3dd0e4566f414ae914eed10af26405f8e9f2f3d427c146090b07336d2fc2 [2022-10-17 16:56:20,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:56:20,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:56:20,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:56:20,801 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:56:20,802 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:56:20,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca28bea0-2086-45f5-a3a2-b48c7feaa0ba/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-properties/alternating_list-1.i [2022-10-17 16:56:20,881 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca28bea0-2086-45f5-a3a2-b48c7feaa0ba/bin/ukojak-92XMlrwhuB/data/e22fd2260/8f66fad049ab4aaba69ddd0c86f436f9/FLAGf3064c192 [2022-10-17 16:56:21,400 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:56:21,401 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca28bea0-2086-45f5-a3a2-b48c7feaa0ba/sv-benchmarks/c/list-properties/alternating_list-1.i [2022-10-17 16:56:21,417 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca28bea0-2086-45f5-a3a2-b48c7feaa0ba/bin/ukojak-92XMlrwhuB/data/e22fd2260/8f66fad049ab4aaba69ddd0c86f436f9/FLAGf3064c192 [2022-10-17 16:56:21,867 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca28bea0-2086-45f5-a3a2-b48c7feaa0ba/bin/ukojak-92XMlrwhuB/data/e22fd2260/8f66fad049ab4aaba69ddd0c86f436f9 [2022-10-17 16:56:21,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:56:21,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:56:21,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:56:21,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:56:21,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:56:21,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:56:21" (1/1) ... [2022-10-17 16:56:21,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c92e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:21, skipping insertion in model container [2022-10-17 16:56:21,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:56:21" (1/1) ... [2022-10-17 16:56:21,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:56:21,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:56:22,300 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_ca28bea0-2086-45f5-a3a2-b48c7feaa0ba/sv-benchmarks/c/list-properties/alternating_list-1.i[23574,23587] [2022-10-17 16:56:22,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:56:22,314 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:56:22,386 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_ca28bea0-2086-45f5-a3a2-b48c7feaa0ba/sv-benchmarks/c/list-properties/alternating_list-1.i[23574,23587] [2022-10-17 16:56:22,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:56:22,429 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:56:22,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:22 WrapperNode [2022-10-17 16:56:22,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:56:22,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:56:22,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:56:22,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:56:22,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:22" (1/1) ... [2022-10-17 16:56:22,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:22" (1/1) ... [2022-10-17 16:56:22,507 INFO L138 Inliner]: procedures = 124, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2022-10-17 16:56:22,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:56:22,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:56:22,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:56:22,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:56:22,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:22" (1/1) ... [2022-10-17 16:56:22,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:22" (1/1) ... [2022-10-17 16:56:22,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:22" (1/1) ... [2022-10-17 16:56:22,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:22" (1/1) ... [2022-10-17 16:56:22,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:22" (1/1) ... [2022-10-17 16:56:22,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:22" (1/1) ... [2022-10-17 16:56:22,560 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:22" (1/1) ... [2022-10-17 16:56:22,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:22" (1/1) ... [2022-10-17 16:56:22,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:56:22,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:56:22,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:56:22,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:56:22,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:22" (1/1) ... [2022-10-17 16:56:22,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:56:22,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca28bea0-2086-45f5-a3a2-b48c7feaa0ba/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:56:22,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca28bea0-2086-45f5-a3a2-b48c7feaa0ba/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:56:22,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca28bea0-2086-45f5-a3a2-b48c7feaa0ba/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:56:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-10-17 16:56:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-10-17 16:56:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:56:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:56:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:56:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:56:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:56:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:56:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:56:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:56:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:56:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:56:22,870 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:56:22,873 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:56:22,946 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-10-17 16:56:23,095 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:56:23,128 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:56:23,129 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:56:23,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:56:23 BoogieIcfgContainer [2022-10-17 16:56:23,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:56:23,133 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:56:23,133 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:56:23,142 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:56:23,143 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:56:23" (1/1) ... [2022-10-17 16:56:23,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:56:23,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:23,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2022-10-17 16:56:23,210 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2022-10-17 16:56:23,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:56:23,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:23,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:23,394 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 16:56:23,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:23,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2022-10-17 16:56:23,435 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2022-10-17 16:56:23,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:56:23,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:23,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:23,596 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 16:56:23,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:23,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2022-10-17 16:56:23,621 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2022-10-17 16:56:23,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:56:23,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:23,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:23,856 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 16:56:24,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:24,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2022-10-17 16:56:24,081 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2022-10-17 16:56:24,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:56:24,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:24,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:24,762 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 16:56:25,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:25,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2022-10-17 16:56:25,585 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2022-10-17 16:56:25,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:56:25,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:25,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:26,289 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:26,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:26,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2022-10-17 16:56:26,801 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2022-10-17 16:56:26,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:56:26,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:26,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:26,911 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:56:27,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:27,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 52 states and 80 transitions. [2022-10-17 16:56:27,080 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 80 transitions. [2022-10-17 16:56:27,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:56:27,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:27,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:27,898 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:30,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:30,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 66 states and 108 transitions. [2022-10-17 16:56:30,533 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 108 transitions. [2022-10-17 16:56:30,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:56:30,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:30,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:31,960 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:33,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:33,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 72 states and 126 transitions. [2022-10-17 16:56:33,205 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 126 transitions. [2022-10-17 16:56:33,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:56:33,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:33,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:34,957 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:39,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:39,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 88 states and 161 transitions. [2022-10-17 16:56:39,710 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 161 transitions. [2022-10-17 16:56:39,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:56:39,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:39,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:56:40,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:40,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 91 states and 163 transitions. [2022-10-17 16:56:40,374 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 163 transitions. [2022-10-17 16:56:40,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:56:40,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:40,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:41,709 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:56:43,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:43,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 97 states and 175 transitions. [2022-10-17 16:56:43,192 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 175 transitions. [2022-10-17 16:56:43,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:56:43,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:43,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:45,943 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:50,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:50,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 107 states and 200 transitions. [2022-10-17 16:56:50,087 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 200 transitions. [2022-10-17 16:56:50,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:56:50,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:50,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:50,220 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:56:51,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:51,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 110 states and 199 transitions. [2022-10-17 16:56:51,523 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 199 transitions. [2022-10-17 16:56:51,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:56:51,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:51,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat