./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-properties/simple-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431c23e-2a4b-4ff3-b844-6ae29b8af39d/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431c23e-2a4b-4ff3-b844-6ae29b8af39d/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_0431c23e-2a4b-4ff3-b844-6ae29b8af39d/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431c23e-2a4b-4ff3-b844-6ae29b8af39d/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/list-properties/simple-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431c23e-2a4b-4ff3-b844-6ae29b8af39d/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_0431c23e-2a4b-4ff3-b844-6ae29b8af39d/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 a0d4825ef04f5689aff4ed3e5df593fedd83b7eb3ae072cea52c48718c9baf42 --- 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 16:36:07,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:36:07,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:36:07,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:36:07,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:36:07,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:36:07,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:36:07,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:36:07,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:36:07,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:36:07,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:36:07,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:36:07,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:36:07,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:36:07,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:36:07,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:36:07,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:36:07,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:36:07,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:36:07,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:36:07,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:36:07,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:36:07,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:36:07,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:36:07,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:36:07,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:36:07,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:36:07,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:36:07,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:36:07,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:36:07,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:36:07,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:36:07,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:36:07,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:36:07,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:36:07,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:36:07,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:36:07,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:36:07,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:36:07,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:36:07,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:36:07,533 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431c23e-2a4b-4ff3-b844-6ae29b8af39d/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:36:07,587 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:36:07,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:36:07,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:36:07,589 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:36:07,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:36:07,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:36:07,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:36:07,591 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:36:07,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:36:07,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:36:07,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:36:07,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:36:07,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:36:07,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:36:07,593 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:36:07,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:36:07,594 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:36:07,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:36:07,594 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:36:07,595 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:36:07,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:36:07,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:07,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:36:07,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:36:07,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:36:07,596 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:36:07,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:36:07,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:36:07,598 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_0431c23e-2a4b-4ff3-b844-6ae29b8af39d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431c23e-2a4b-4ff3-b844-6ae29b8af39d/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0d4825ef04f5689aff4ed3e5df593fedd83b7eb3ae072cea52c48718c9baf42 [2022-10-17 16:36:07,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:36:07,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:36:07,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:36:07,915 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:36:07,916 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:36:07,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431c23e-2a4b-4ff3-b844-6ae29b8af39d/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-properties/simple-2.i [2022-10-17 16:36:07,985 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431c23e-2a4b-4ff3-b844-6ae29b8af39d/bin/ukojak-92XMlrwhuB/data/5a9b184c1/b390e78e223e443dbeda39db375d3393/FLAG06e43ee1c [2022-10-17 16:36:08,461 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:36:08,461 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431c23e-2a4b-4ff3-b844-6ae29b8af39d/sv-benchmarks/c/list-properties/simple-2.i [2022-10-17 16:36:08,492 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431c23e-2a4b-4ff3-b844-6ae29b8af39d/bin/ukojak-92XMlrwhuB/data/5a9b184c1/b390e78e223e443dbeda39db375d3393/FLAG06e43ee1c [2022-10-17 16:36:08,799 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431c23e-2a4b-4ff3-b844-6ae29b8af39d/bin/ukojak-92XMlrwhuB/data/5a9b184c1/b390e78e223e443dbeda39db375d3393 [2022-10-17 16:36:08,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:36:08,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:36:08,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:08,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:36:08,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:36:08,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:08" (1/1) ... [2022-10-17 16:36:08,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d70e7e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:08, skipping insertion in model container [2022-10-17 16:36:08,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:08" (1/1) ... [2022-10-17 16:36:08,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:36:08,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:36:09,163 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_0431c23e-2a4b-4ff3-b844-6ae29b8af39d/sv-benchmarks/c/list-properties/simple-2.i[23225,23238] [2022-10-17 16:36:09,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:09,175 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:36:09,214 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_0431c23e-2a4b-4ff3-b844-6ae29b8af39d/sv-benchmarks/c/list-properties/simple-2.i[23225,23238] [2022-10-17 16:36:09,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:09,243 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:36:09,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:09 WrapperNode [2022-10-17 16:36:09,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:09,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:09,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:36:09,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:36:09,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:09" (1/1) ... [2022-10-17 16:36:09,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:09" (1/1) ... [2022-10-17 16:36:09,285 INFO L138 Inliner]: procedures = 124, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2022-10-17 16:36:09,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:09,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:36:09,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:36:09,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:36:09,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:09" (1/1) ... [2022-10-17 16:36:09,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:09" (1/1) ... [2022-10-17 16:36:09,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:09" (1/1) ... [2022-10-17 16:36:09,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:09" (1/1) ... [2022-10-17 16:36:09,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:09" (1/1) ... [2022-10-17 16:36:09,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:09" (1/1) ... [2022-10-17 16:36:09,310 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:09" (1/1) ... [2022-10-17 16:36:09,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:09" (1/1) ... [2022-10-17 16:36:09,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:36:09,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:36:09,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:36:09,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:36:09,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:09" (1/1) ... [2022-10-17 16:36:09,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:09,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431c23e-2a4b-4ff3-b844-6ae29b8af39d/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:36:09,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431c23e-2a4b-4ff3-b844-6ae29b8af39d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:36:09,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431c23e-2a4b-4ff3-b844-6ae29b8af39d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:36:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-10-17 16:36:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-10-17 16:36:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:36:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:36:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:36:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:36:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:36:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:36:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:36:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:36:09,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:36:09,500 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:36:09,502 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:36:09,543 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-10-17 16:36:09,695 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:36:09,715 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:36:09,715 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:36:09,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:09 BoogieIcfgContainer [2022-10-17 16:36:09,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:36:09,719 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:36:09,719 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:36:09,729 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:36:09,729 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:09" (1/1) ... [2022-10-17 16:36:09,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:36:09,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:09,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2022-10-17 16:36:09,810 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2022-10-17 16:36:09,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:36:09,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:09,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:10,033 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 16:36:10,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:10,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2022-10-17 16:36:10,069 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-10-17 16:36:10,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:36:10,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:10,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:10,389 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 16:36:10,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:10,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-10-17 16:36:10,521 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-10-17 16:36:10,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:36:10,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:10,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:11,067 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 16:36:11,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:11,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2022-10-17 16:36:11,694 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2022-10-17 16:36:11,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:36:11,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:11,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:12,171 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 16:36:12,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:12,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2022-10-17 16:36:12,735 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2022-10-17 16:36:12,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:36:12,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:12,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:12,893 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 16:36:13,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:13,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2022-10-17 16:36:13,146 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2022-10-17 16:36:13,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:36:13,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:13,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:13,888 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 16:36:15,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:15,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 46 states and 81 transitions. [2022-10-17 16:36:15,382 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 81 transitions. [2022-10-17 16:36:15,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:36:15,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:15,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:15,971 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 16:36:16,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:16,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 89 transitions. [2022-10-17 16:36:16,347 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2022-10-17 16:36:16,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:36:16,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:16,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:16,935 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:18,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:18,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 51 states and 95 transitions. [2022-10-17 16:36:18,029 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 95 transitions. [2022-10-17 16:36:18,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:36:18,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:18,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:18,977 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:20,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:20,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2022-10-17 16:36:20,715 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2022-10-17 16:36:20,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:36:20,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:20,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:21,880 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:23,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:23,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 66 states and 132 transitions. [2022-10-17 16:36:23,810 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 132 transitions. [2022-10-17 16:36:23,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:36:23,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:23,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:25,497 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:27,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:27,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 72 states and 150 transitions. [2022-10-17 16:36:27,365 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 150 transitions. [2022-10-17 16:36:27,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:36:27,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:27,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:28,332 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:29,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:29,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 75 states and 157 transitions. [2022-10-17 16:36:29,952 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 157 transitions. [2022-10-17 16:36:29,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:36:29,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:29,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:31,628 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:34,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:34,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 84 states and 184 transitions. [2022-10-17 16:36:34,265 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 184 transitions. [2022-10-17 16:36:34,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:36:34,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:34,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:36,214 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.