./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/nested_structure-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d84626-6cea-4c99-a685-549d7f6a2eb3/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d84626-6cea-4c99-a685-549d7f6a2eb3/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d84626-6cea-4c99-a685-549d7f6a2eb3/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d84626-6cea-4c99-a685-549d7f6a2eb3/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/nested_structure-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d84626-6cea-4c99-a685-549d7f6a2eb3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d84626-6cea-4c99-a685-549d7f6a2eb3/bin/ukojak-pZX7IvK2PQ --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 8760dfb1fc705c9d4bd3086e926410b9e088fc0950cc71e69ebbf3367b49d459 --- 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-6b4ec56 [2022-11-20 18:15:50,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:15:50,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:15:50,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:15:50,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:15:50,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:15:50,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:15:50,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:15:50,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:15:50,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:15:50,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:15:50,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:15:50,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:15:50,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:15:50,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:15:50,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:15:50,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:15:50,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:15:50,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:15:50,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:15:50,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:15:50,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:15:50,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:15:50,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:15:50,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:15:50,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:15:50,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:15:50,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:15:50,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:15:50,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:15:50,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:15:50,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:15:50,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:15:50,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:15:50,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:15:50,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:15:50,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:15:50,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:15:50,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:15:50,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:15:50,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:15:50,681 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d84626-6cea-4c99-a685-549d7f6a2eb3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-20 18:15:50,702 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:15:50,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:15:50,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:15:50,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:15:50,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:15:50,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:15:50,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:15:50,705 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:15:50,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:15:50,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:15:50,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:15:50,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:15:50,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:15:50,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:15:50,707 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:15:50,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:15:50,707 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:15:50,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:15:50,708 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:15:50,708 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:15:50,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:15:50,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:15:50,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:15:50,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:15:50,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:15:50,709 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:15:50,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:15:50,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:15:50,710 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_26d84626-6cea-4c99-a685-549d7f6a2eb3/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d84626-6cea-4c99-a685-549d7f6a2eb3/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8760dfb1fc705c9d4bd3086e926410b9e088fc0950cc71e69ebbf3367b49d459 [2022-11-20 18:15:50,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:15:50,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:15:50,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:15:50,993 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:15:50,993 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:15:50,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d84626-6cea-4c99-a685-549d7f6a2eb3/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/ldv-regression/nested_structure-1.i [2022-11-20 18:15:53,990 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:15:54,190 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:15:54,191 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d84626-6cea-4c99-a685-549d7f6a2eb3/sv-benchmarks/c/ldv-regression/nested_structure-1.i [2022-11-20 18:15:54,197 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d84626-6cea-4c99-a685-549d7f6a2eb3/bin/ukojak-pZX7IvK2PQ/data/f1bab3509/e977d10699be49f18299c0c0145c728d/FLAG6ecbfdefd [2022-11-20 18:15:54,213 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d84626-6cea-4c99-a685-549d7f6a2eb3/bin/ukojak-pZX7IvK2PQ/data/f1bab3509/e977d10699be49f18299c0c0145c728d [2022-11-20 18:15:54,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:15:54,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:15:54,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:15:54,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:15:54,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:15:54,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:15:54" (1/1) ... [2022-11-20 18:15:54,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e50f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:54, skipping insertion in model container [2022-11-20 18:15:54,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:15:54" (1/1) ... [2022-11-20 18:15:54,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:15:54,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:15:54,380 WARN L237 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_26d84626-6cea-4c99-a685-549d7f6a2eb3/sv-benchmarks/c/ldv-regression/nested_structure-1.i[303,316] [2022-11-20 18:15:54,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:15:54,412 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:15:54,425 WARN L237 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_26d84626-6cea-4c99-a685-549d7f6a2eb3/sv-benchmarks/c/ldv-regression/nested_structure-1.i[303,316] [2022-11-20 18:15:54,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:15:54,445 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:15:54,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:54 WrapperNode [2022-11-20 18:15:54,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:15:54,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:15:54,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:15:54,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:15:54,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:54" (1/1) ... [2022-11-20 18:15:54,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:54" (1/1) ... [2022-11-20 18:15:54,484 INFO L138 Inliner]: procedures = 16, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-11-20 18:15:54,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:15:54,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:15:54,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:15:54,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:15:54,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:54" (1/1) ... [2022-11-20 18:15:54,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:54" (1/1) ... [2022-11-20 18:15:54,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:54" (1/1) ... [2022-11-20 18:15:54,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:54" (1/1) ... [2022-11-20 18:15:54,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:54" (1/1) ... [2022-11-20 18:15:54,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:54" (1/1) ... [2022-11-20 18:15:54,517 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:54" (1/1) ... [2022-11-20 18:15:54,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:54" (1/1) ... [2022-11-20 18:15:54,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:15:54,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:15:54,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:15:54,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:15:54,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:54" (1/1) ... [2022-11-20 18:15:54,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:15:54,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d84626-6cea-4c99-a685-549d7f6a2eb3/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:15:54,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d84626-6cea-4c99-a685-549d7f6a2eb3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:15:54,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d84626-6cea-4c99-a685-549d7f6a2eb3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:15:54,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 18:15:54,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 18:15:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:15:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:15:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:15:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:15:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:15:54,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:15:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:15:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:15:54,735 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:15:54,737 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:15:54,894 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:15:54,917 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:15:54,917 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:15:54,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:15:54 BoogieIcfgContainer [2022-11-20 18:15:54,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:15:54,921 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:15:54,921 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:15:54,932 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:15:54,932 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:15:54" (1/1) ... [2022-11-20 18:15:54,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:15:54,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:55,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2022-11-20 18:15:55,001 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2022-11-20 18:15:55,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 18:15:55,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:55,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:55,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:15:55,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:55,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2022-11-20 18:15:55,982 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2022-11-20 18:15:55,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:15:55,982 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2022-11-20 18:15:55,991 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-11-20 18:15:55,998 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:15:56,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:15:56 ImpRootNode [2022-11-20 18:15:56,003 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:15:56,004 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:15:56,004 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:15:56,004 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:15:56,005 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:15:54" (3/4) ... [2022-11-20 18:15:56,008 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:15:56,018 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-20 18:15:56,018 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 18:15:56,018 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 18:15:56,019 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:15:56,056 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d84626-6cea-4c99-a685-549d7f6a2eb3/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:15:56,056 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:15:56,057 INFO L158 Benchmark]: Toolchain (without parser) took 1840.23ms. Allocated memory is still 172.0MB. Free memory was 126.6MB in the beginning and 80.3MB in the end (delta: 46.3MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2022-11-20 18:15:56,058 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory was 70.1MB in the beginning and 70.0MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:15:56,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.70ms. Allocated memory is still 172.0MB. Free memory was 126.6MB in the beginning and 116.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:15:56,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.54ms. Allocated memory is still 172.0MB. Free memory was 116.5MB in the beginning and 115.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:15:56,060 INFO L158 Benchmark]: Boogie Preprocessor took 34.56ms. Allocated memory is still 172.0MB. Free memory was 115.1MB in the beginning and 114.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:15:56,061 INFO L158 Benchmark]: RCFGBuilder took 399.89ms. Allocated memory is still 172.0MB. Free memory was 114.0MB in the beginning and 102.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:15:56,062 INFO L158 Benchmark]: CodeCheck took 1082.28ms. Allocated memory is still 172.0MB. Free memory was 101.5MB in the beginning and 83.5MB in the end (delta: 18.0MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-11-20 18:15:56,062 INFO L158 Benchmark]: Witness Printer took 52.55ms. Allocated memory is still 172.0MB. Free memory was 83.5MB in the beginning and 80.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:15:56,066 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 11]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory was 70.1MB in the beginning and 70.0MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.70ms. Allocated memory is still 172.0MB. Free memory was 126.6MB in the beginning and 116.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.54ms. Allocated memory is still 172.0MB. Free memory was 116.5MB in the beginning and 115.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.56ms. Allocated memory is still 172.0MB. Free memory was 115.1MB in the beginning and 114.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 399.89ms. Allocated memory is still 172.0MB. Free memory was 114.0MB in the beginning and 102.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 1082.28ms. Allocated memory is still 172.0MB. Free memory was 101.5MB in the beginning and 83.5MB in the end (delta: 18.0MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Witness Printer took 52.55ms. Allocated memory is still 172.0MB. Free memory was 83.5MB in the beginning and 80.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 18:15:56,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d84626-6cea-4c99-a685-549d7f6a2eb3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE