./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/nest-if3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_771ac19e-419a-4205-9612-8021ea089569/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_771ac19e-419a-4205-9612-8021ea089569/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_771ac19e-419a-4205-9612-8021ea089569/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_771ac19e-419a-4205-9612-8021ea089569/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nest-if3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_771ac19e-419a-4205-9612-8021ea089569/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_771ac19e-419a-4205-9612-8021ea089569/bin/ukojak-fKGseLULKY --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 a6ea3567a534d80cc2c4496700797b4364bacf8f ............................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 04:02:44,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:02:44,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:02:44,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:02:44,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:02:44,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:02:44,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:02:44,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:02:44,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:02:44,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:02:44,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:02:44,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:02:44,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:02:44,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:02:44,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:02:44,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:02:44,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:02:44,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:02:44,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:02:44,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:02:44,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:02:44,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:02:44,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:02:44,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:02:44,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:02:44,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:02:44,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:02:44,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:02:44,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:02:44,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:02:44,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:02:44,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:02:44,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:02:44,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:02:44,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:02:44,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:02:44,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:02:44,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:02:44,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:02:44,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:02:44,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:02:44,890 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_771ac19e-419a-4205-9612-8021ea089569/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-13 04:02:44,930 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:02:44,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:02:44,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 04:02:44,932 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 04:02:44,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:02:44,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:02:44,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:02:44,934 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 04:02:44,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:02:44,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 04:02:44,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:02:44,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 04:02:44,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:02:44,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 04:02:44,942 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 04:02:44,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 04:02:44,943 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:02:44,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 04:02:44,943 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:02:44,944 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:02:44,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:02:44,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:02:44,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:02:44,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:02:44,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 04:02:44,945 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:02:44,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:02:44,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 04:02:44,946 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_771ac19e-419a-4205-9612-8021ea089569/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_771ac19e-419a-4205-9612-8021ea089569/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6ea3567a534d80cc2c4496700797b4364bacf8f [2021-10-13 04:02:45,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:02:45,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:02:45,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:02:45,245 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:02:45,246 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:02:45,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_771ac19e-419a-4205-9612-8021ea089569/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/loop-invgen/nest-if3.i [2021-10-13 04:02:45,327 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_771ac19e-419a-4205-9612-8021ea089569/bin/ukojak-fKGseLULKY/data/0be8bf172/3f22161617514f46a694bf806c5d2d8a/FLAGaa92b0d23 [2021-10-13 04:02:45,784 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:02:45,785 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_771ac19e-419a-4205-9612-8021ea089569/sv-benchmarks/c/loop-invgen/nest-if3.i [2021-10-13 04:02:45,791 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_771ac19e-419a-4205-9612-8021ea089569/bin/ukojak-fKGseLULKY/data/0be8bf172/3f22161617514f46a694bf806c5d2d8a/FLAGaa92b0d23 [2021-10-13 04:02:46,149 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_771ac19e-419a-4205-9612-8021ea089569/bin/ukojak-fKGseLULKY/data/0be8bf172/3f22161617514f46a694bf806c5d2d8a [2021-10-13 04:02:46,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:02:46,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:02:46,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:02:46,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:02:46,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:02:46,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:02:46" (1/1) ... [2021-10-13 04:02:46,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a3c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:02:46, skipping insertion in model container [2021-10-13 04:02:46,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:02:46" (1/1) ... [2021-10-13 04:02:46,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:02:46,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:02:46,363 WARN L228 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_771ac19e-419a-4205-9612-8021ea089569/sv-benchmarks/c/loop-invgen/nest-if3.i[893,906] [2021-10-13 04:02:46,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:02:46,380 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:02:46,393 WARN L228 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_771ac19e-419a-4205-9612-8021ea089569/sv-benchmarks/c/loop-invgen/nest-if3.i[893,906] [2021-10-13 04:02:46,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:02:46,410 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:02:46,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:02:46 WrapperNode [2021-10-13 04:02:46,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:02:46,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:02:46,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:02:46,412 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:02:46,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:02:46" (1/1) ... [2021-10-13 04:02:46,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:02:46" (1/1) ... [2021-10-13 04:02:46,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:02:46,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:02:46,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:02:46,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:02:46,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:02:46" (1/1) ... [2021-10-13 04:02:46,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:02:46" (1/1) ... [2021-10-13 04:02:46,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:02:46" (1/1) ... [2021-10-13 04:02:46,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:02:46" (1/1) ... [2021-10-13 04:02:46,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:02:46" (1/1) ... [2021-10-13 04:02:46,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:02:46" (1/1) ... [2021-10-13 04:02:46,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:02:46" (1/1) ... [2021-10-13 04:02:46,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:02:46,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:02:46,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:02:46,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:02:46,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:02:46" (1/1) ... [2021-10-13 04:02:46,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:02:46,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_771ac19e-419a-4205-9612-8021ea089569/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:02:46,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_771ac19e-419a-4205-9612-8021ea089569/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:02:46,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_771ac19e-419a-4205-9612-8021ea089569/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:02:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 04:02:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 04:02:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:02:46,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:02:46,787 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:02:46,787 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-13 04:02:46,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:02:46 BoogieIcfgContainer [2021-10-13 04:02:46,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:02:46,791 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:02:46,791 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:02:46,804 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:02:46,805 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:02:46" (1/1) ... [2021-10-13 04:02:46,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:02:46,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:02:46,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2021-10-13 04:02:46,865 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2021-10-13 04:02:46,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 04:02:46,868 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:02:46,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:02:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:02:47,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:02:47,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:02:47,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2021-10-13 04:02:47,190 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2021-10-13 04:02:47,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 04:02:47,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:02:47,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:02:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:02:47,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:02:47,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:02:47,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 18 states and 33 transitions. [2021-10-13 04:02:47,689 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2021-10-13 04:02:47,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 04:02:47,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:02:47,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:02:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:02:47,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:02:47,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:02:47,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 18 states and 32 transitions. [2021-10-13 04:02:47,947 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 32 transitions. [2021-10-13 04:02:47,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 04:02:47,947 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:02:47,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:02:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:02:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:02:48,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:02:48,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 20 states and 41 transitions. [2021-10-13 04:02:48,466 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 41 transitions. [2021-10-13 04:02:48,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 04:02:48,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:02:48,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:02:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:02:48,582 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:02:49,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:02:49,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 24 states and 52 transitions. [2021-10-13 04:02:49,101 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 52 transitions. [2021-10-13 04:02:49,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 04:02:49,101 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:02:49,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:02:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:02:49,216 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 04:02:49,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:02:49,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 26 states and 57 transitions. [2021-10-13 04:02:49,666 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 57 transitions. [2021-10-13 04:02:49,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 04:02:49,666 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:02:49,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:02:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:02:49,827 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:02:50,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:02:50,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 28 states and 62 transitions. [2021-10-13 04:02:50,322 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 62 transitions. [2021-10-13 04:02:50,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 04:02:50,323 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:02:50,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:02:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:02:50,359 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-13 04:02:51,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:02:51,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 31 states and 73 transitions. [2021-10-13 04:02:51,106 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 73 transitions. [2021-10-13 04:02:51,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 04:02:51,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:02:51,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:02:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:02:51,142 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 04:02:51,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:02:51,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 32 states and 77 transitions. [2021-10-13 04:02:51,354 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 77 transitions. [2021-10-13 04:02:51,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 04:02:51,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:02:51,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:02:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:02:51,528 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:02:52,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:02:52,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 37 states and 90 transitions. [2021-10-13 04:02:52,758 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 90 transitions. [2021-10-13 04:02:52,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 04:02:52,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:02:52,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:02:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:02:52,793 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-13 04:02:53,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:02:53,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 28 states and 64 transitions. [2021-10-13 04:02:53,042 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 64 transitions. [2021-10-13 04:02:53,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 04:02:53,043 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2021-10-13 04:02:53,060 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-13 04:02:53,212 INFO L565 CodeCheckObserver]: Invariant with dag size 22 [2021-10-13 04:02:53,230 INFO L565 CodeCheckObserver]: Invariant with dag size 13 [2021-10-13 04:02:53,230 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:02:53,231 INFO L565 CodeCheckObserver]: Invariant with dag size 10 [2021-10-13 04:02:53,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:02:53 ImpRootNode [2021-10-13 04:02:53,231 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:02:53,232 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:02:53,232 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:02:53,232 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:02:53,233 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:02:46" (3/4) ... [2021-10-13 04:02:53,236 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 04:02:53,245 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-13 04:02:53,245 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 04:02:53,245 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 04:02:53,246 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 04:02:53,288 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_771ac19e-419a-4205-9612-8021ea089569/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:02:53,288 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:02:53,290 INFO L168 Benchmark]: Toolchain (without parser) took 7136.32 ms. Allocated memory was 94.4 MB in the beginning and 136.3 MB in the end (delta: 41.9 MB). Free memory was 53.5 MB in the beginning and 55.5 MB in the end (delta: -2.0 MB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. [2021-10-13 04:02:53,291 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory is still 69.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:02:53,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.41 ms. Allocated memory is still 94.4 MB. Free memory was 53.3 MB in the beginning and 69.1 MB in the end (delta: -15.8 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:02:53,292 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.70 ms. Allocated memory is still 94.4 MB. Free memory was 69.1 MB in the beginning and 67.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:02:53,292 INFO L168 Benchmark]: Boogie Preprocessor took 19.39 ms. Allocated memory is still 94.4 MB. Free memory was 67.6 MB in the beginning and 66.7 MB in the end (delta: 913.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:02:53,293 INFO L168 Benchmark]: RCFGBuilder took 325.83 ms. Allocated memory is still 94.4 MB. Free memory was 66.5 MB in the beginning and 55.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 04:02:53,294 INFO L168 Benchmark]: CodeCheck took 6440.90 ms. Allocated memory was 94.4 MB in the beginning and 136.3 MB in the end (delta: 41.9 MB). Free memory was 55.4 MB in the beginning and 57.6 MB in the end (delta: -2.2 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. [2021-10-13 04:02:53,294 INFO L168 Benchmark]: Witness Printer took 56.64 ms. Allocated memory is still 136.3 MB. Free memory was 57.6 MB in the beginning and 55.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:02:53,298 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, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6218.6ms, OverallIterations: 12, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 10240 SDtfs, 8606 SDslu, 2048 SDs, 0 SdLazy, 73478 SolverSat, 16668 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2208.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1729 GetRequests, 1549 SyntacticMatches, 46 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6721 ImplicationChecksByTransitivity, 4715.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 30.8ms SsaConstructionTime, 178.5ms SatisfiabilityAnalysisTime, 999.7ms InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 442 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 47/100 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: 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 <= i && !(i <= l + 1 && k == 1)) && n + 1 <= l + k) || (1 <= i && 1 <= l)) || (n + 2 <= l + k && 1 <= i) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 <= i && 1 <= l) || (1 <= i && n + 1 <= l + k) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: n + 2 <= l + k || 1 <= l * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory is still 69.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 256.41 ms. Allocated memory is still 94.4 MB. Free memory was 53.3 MB in the beginning and 69.1 MB in the end (delta: -15.8 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.70 ms. Allocated memory is still 94.4 MB. Free memory was 69.1 MB in the beginning and 67.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.39 ms. Allocated memory is still 94.4 MB. Free memory was 67.6 MB in the beginning and 66.7 MB in the end (delta: 913.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 325.83 ms. Allocated memory is still 94.4 MB. Free memory was 66.5 MB in the beginning and 55.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 6440.90 ms. Allocated memory was 94.4 MB in the beginning and 136.3 MB in the end (delta: 41.9 MB). Free memory was 55.4 MB in the beginning and 57.6 MB in the end (delta: -2.2 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. * Witness Printer took 56.64 ms. Allocated memory is still 136.3 MB. Free memory was 57.6 MB in the beginning and 55.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-13 04:02:53,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_771ac19e-419a-4205-9612-8021ea089569/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...