./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/large_const.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_1ca8207c-9ecb-4be8-9fdf-24a6cf1c08da/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca8207c-9ecb-4be8-9fdf-24a6cf1c08da/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_1ca8207c-9ecb-4be8-9fdf-24a6cf1c08da/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca8207c-9ecb-4be8-9fdf-24a6cf1c08da/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/large_const.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca8207c-9ecb-4be8-9fdf-24a6cf1c08da/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_1ca8207c-9ecb-4be8-9fdf-24a6cf1c08da/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 8a29efc1cd20d7b6b63b545aee1e0a42be6fb6f9 ....................................................................................................................................................................................................................................................................... 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 03:17:58,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 03:17:58,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 03:17:58,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 03:17:58,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 03:17:58,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 03:17:58,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 03:17:58,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 03:17:58,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 03:17:58,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 03:17:58,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 03:17:58,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 03:17:58,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 03:17:58,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 03:17:58,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 03:17:58,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 03:17:58,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 03:17:58,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 03:17:58,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 03:17:58,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 03:17:58,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 03:17:58,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 03:17:58,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 03:17:58,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 03:17:58,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 03:17:58,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 03:17:58,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 03:17:58,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 03:17:58,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 03:17:58,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 03:17:58,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 03:17:58,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 03:17:58,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 03:17:58,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 03:17:58,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 03:17:58,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 03:17:58,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 03:17:58,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 03:17:58,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 03:17:58,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 03:17:58,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 03:17:58,872 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca8207c-9ecb-4be8-9fdf-24a6cf1c08da/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-13 03:17:58,924 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 03:17:58,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 03:17:58,926 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 03:17:58,926 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 03:17:58,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 03:17:58,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 03:17:58,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 03:17:58,927 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 03:17:58,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 03:17:58,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 03:17:58,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 03:17:58,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 03:17:58,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 03:17:58,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 03:17:58,928 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 03:17:58,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 03:17:58,929 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 03:17:58,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 03:17:58,929 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 03:17:58,929 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 03:17:58,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 03:17:58,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:17:58,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 03:17:58,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 03:17:58,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 03:17:58,930 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 03:17:58,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 03:17:58,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 03:17:58,931 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_1ca8207c-9ecb-4be8-9fdf-24a6cf1c08da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca8207c-9ecb-4be8-9fdf-24a6cf1c08da/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a29efc1cd20d7b6b63b545aee1e0a42be6fb6f9 [2021-10-13 03:17:59,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 03:17:59,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 03:17:59,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 03:17:59,280 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 03:17:59,281 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 03:17:59,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca8207c-9ecb-4be8-9fdf-24a6cf1c08da/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/loop-invgen/large_const.i [2021-10-13 03:17:59,345 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca8207c-9ecb-4be8-9fdf-24a6cf1c08da/bin/ukojak-fKGseLULKY/data/8b8309f9e/fbd917877b3444768511f937e5232c79/FLAG559807a1b [2021-10-13 03:17:59,789 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 03:17:59,790 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca8207c-9ecb-4be8-9fdf-24a6cf1c08da/sv-benchmarks/c/loop-invgen/large_const.i [2021-10-13 03:17:59,799 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca8207c-9ecb-4be8-9fdf-24a6cf1c08da/bin/ukojak-fKGseLULKY/data/8b8309f9e/fbd917877b3444768511f937e5232c79/FLAG559807a1b [2021-10-13 03:18:00,151 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca8207c-9ecb-4be8-9fdf-24a6cf1c08da/bin/ukojak-fKGseLULKY/data/8b8309f9e/fbd917877b3444768511f937e5232c79 [2021-10-13 03:18:00,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 03:18:00,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 03:18:00,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 03:18:00,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 03:18:00,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 03:18:00,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23125889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00, skipping insertion in model container [2021-10-13 03:18:00,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 03:18:00,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 03:18:00,359 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_1ca8207c-9ecb-4be8-9fdf-24a6cf1c08da/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2021-10-13 03:18:00,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:18:00,384 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 03:18:00,396 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_1ca8207c-9ecb-4be8-9fdf-24a6cf1c08da/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2021-10-13 03:18:00,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:18:00,420 INFO L208 MainTranslator]: Completed translation [2021-10-13 03:18:00,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00 WrapperNode [2021-10-13 03:18:00,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 03:18:00,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 03:18:00,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 03:18:00,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 03:18:00,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 03:18:00,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 03:18:00,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 03:18:00,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 03:18:00,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 03:18:00,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 03:18:00,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 03:18:00,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 03:18:00,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,486 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:18:00,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca8207c-9ecb-4be8-9fdf-24a6cf1c08da/bin/ukojak-fKGseLULKY/z3 [2021-10-13 03:18:00,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca8207c-9ecb-4be8-9fdf-24a6cf1c08da/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 03:18:00,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca8207c-9ecb-4be8-9fdf-24a6cf1c08da/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 03:18:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 03:18:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 03:18:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 03:18:00,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 03:18:00,798 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 03:18:00,798 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-13 03:18:00,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:18:00 BoogieIcfgContainer [2021-10-13 03:18:00,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 03:18:00,802 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 03:18:00,802 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 03:18:00,813 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 03:18:00,814 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 03:18:00,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:00,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-10-13 03:18:00,856 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-10-13 03:18:00,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 03:18:00,858 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:00,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:01,079 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 03:18:01,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:01,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2021-10-13 03:18:01,124 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2021-10-13 03:18:01,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 03:18:01,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:01,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:01,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:01,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:01,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2021-10-13 03:18:01,829 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2021-10-13 03:18:01,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:18:01,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:01,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:01,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:02,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:02,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 20 states and 40 transitions. [2021-10-13 03:18:02,243 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 40 transitions. [2021-10-13 03:18:02,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:18:02,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:02,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:02,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:02,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2021-10-13 03:18:02,414 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2021-10-13 03:18:02,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 03:18:02,415 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:02,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:02,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:03,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:03,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2021-10-13 03:18:03,235 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2021-10-13 03:18:03,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 03:18:03,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:03,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:03,311 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:03,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:03,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2021-10-13 03:18:03,821 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2021-10-13 03:18:03,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 03:18:03,821 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2021-10-13 03:18:03,827 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-13 03:18:03,887 INFO L565 CodeCheckObserver]: Invariant with dag size 23 [2021-10-13 03:18:03,905 INFO L565 CodeCheckObserver]: Invariant with dag size 7 [2021-10-13 03:18:03,906 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 03:18:03,906 INFO L565 CodeCheckObserver]: Invariant with dag size 12 [2021-10-13 03:18:03,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 03:18:03 ImpRootNode [2021-10-13 03:18:03,908 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 03:18:03,908 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 03:18:03,909 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 03:18:03,909 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 03:18:03,909 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:18:00" (3/4) ... [2021-10-13 03:18:03,912 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 03:18:03,922 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-13 03:18:03,922 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-13 03:18:03,922 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 03:18:03,923 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 03:18:03,969 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca8207c-9ecb-4be8-9fdf-24a6cf1c08da/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 03:18:03,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 03:18:03,971 INFO L168 Benchmark]: Toolchain (without parser) took 3812.25 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 58.0 MB in the beginning and 46.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 32.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:18:03,972 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 98.6 MB. Free memory is still 74.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:18:03,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.07 ms. Allocated memory is still 98.6 MB. Free memory was 57.9 MB in the beginning and 73.5 MB in the end (delta: -15.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 03:18:03,973 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.14 ms. Allocated memory is still 98.6 MB. Free memory was 73.5 MB in the beginning and 72.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:18:03,974 INFO L168 Benchmark]: Boogie Preprocessor took 21.82 ms. Allocated memory is still 98.6 MB. Free memory was 72.3 MB in the beginning and 71.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:18:03,975 INFO L168 Benchmark]: RCFGBuilder took 323.69 ms. Allocated memory is still 98.6 MB. Free memory was 71.1 MB in the beginning and 58.9 MB in the end (delta: 12.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 03:18:03,975 INFO L168 Benchmark]: CodeCheck took 3105.33 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 58.9 MB in the beginning and 49.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. [2021-10-13 03:18:03,976 INFO L168 Benchmark]: Witness Printer took 61.43 ms. Allocated memory is still 119.5 MB. Free memory was 49.2 MB in the beginning and 46.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:18:03,980 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2990.3ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 352 SDtfs, 148 SDslu, 64 SDs, 0 SdLazy, 2262 SolverSat, 558 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 754.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 567 GetRequests, 485 SyntacticMatches, 6 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1902 ImplicationChecksByTransitivity, 2058.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 18.7ms SsaConstructionTime, 158.8ms SatisfiabilityAnalysisTime, 565.8ms InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 12/20 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: 34]: Loop Invariant Derived loop invariant: ((((4000 <= c1 && k == 0) && i == 0) && 2000 <= c2) && 10000 <= c3) || (((n <= 1 && 2000 <= k) && n <= i) && !(i == 0)) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: n <= 1 && j == 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: n <= j || ((n <= 1 && 2000 <= k) && j == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 98.6 MB. Free memory is still 74.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 261.07 ms. Allocated memory is still 98.6 MB. Free memory was 57.9 MB in the beginning and 73.5 MB in the end (delta: -15.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.14 ms. Allocated memory is still 98.6 MB. Free memory was 73.5 MB in the beginning and 72.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.82 ms. Allocated memory is still 98.6 MB. Free memory was 72.3 MB in the beginning and 71.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 323.69 ms. Allocated memory is still 98.6 MB. Free memory was 71.1 MB in the beginning and 58.9 MB in the end (delta: 12.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 3105.33 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 58.9 MB in the beginning and 49.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. * Witness Printer took 61.43 ms. Allocated memory is still 119.5 MB. Free memory was 49.2 MB in the beginning and 46.1 MB in the end (delta: 3.0 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 03:18:04,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca8207c-9ecb-4be8-9fdf-24a6cf1c08da/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...