./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark33_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db49bf9-5090-4dd9-b1a9-e84f29514958/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db49bf9-5090-4dd9-b1a9-e84f29514958/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_7db49bf9-5090-4dd9-b1a9-e84f29514958/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db49bf9-5090-4dd9-b1a9-e84f29514958/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark33_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db49bf9-5090-4dd9-b1a9-e84f29514958/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db49bf9-5090-4dd9-b1a9-e84f29514958/bin/ukojak-fKGseLULKY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 253b2faf1fd07f8ed6c1bf4b29898320ad70d218 ..................................................................................................................................................................................................................................... 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 05:00:54,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 05:00:54,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 05:00:54,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 05:00:54,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 05:00:54,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 05:00:54,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 05:00:54,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 05:00:54,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 05:00:54,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 05:00:54,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 05:00:54,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 05:00:54,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 05:00:54,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 05:00:54,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 05:00:54,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 05:00:54,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 05:00:54,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 05:00:54,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 05:00:54,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 05:00:54,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 05:00:54,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 05:00:54,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 05:00:54,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 05:00:54,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 05:00:54,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 05:00:54,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 05:00:54,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 05:00:54,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 05:00:54,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 05:00:54,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 05:00:54,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 05:00:54,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 05:00:54,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 05:00:54,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 05:00:54,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 05:00:54,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 05:00:54,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 05:00:54,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 05:00:54,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 05:00:54,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 05:00:54,721 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db49bf9-5090-4dd9-b1a9-e84f29514958/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-10-13 05:00:54,772 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 05:00:54,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 05:00:54,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 05:00:54,774 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 05:00:54,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 05:00:54,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 05:00:54,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 05:00:54,775 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 05:00:54,775 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 05:00:54,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 05:00:54,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 05:00:54,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 05:00:54,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 05:00:54,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 05:00:54,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 05:00:54,777 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 05:00:54,777 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 05:00:54,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 05:00:54,777 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 05:00:54,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 05:00:54,777 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 05:00:54,778 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 05:00:54,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 05:00:54,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 05:00:54,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 05:00:54,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 05:00:54,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 05:00:54,779 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 05:00:54,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 05:00:54,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 05:00:54,779 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_7db49bf9-5090-4dd9-b1a9-e84f29514958/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db49bf9-5090-4dd9-b1a9-e84f29514958/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 253b2faf1fd07f8ed6c1bf4b29898320ad70d218 [2021-10-13 05:00:55,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 05:00:55,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 05:00:55,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 05:00:55,034 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 05:00:55,035 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 05:00:55,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db49bf9-5090-4dd9-b1a9-e84f29514958/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/loop-zilu/benchmark33_linear.i [2021-10-13 05:00:55,126 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db49bf9-5090-4dd9-b1a9-e84f29514958/bin/ukojak-fKGseLULKY/data/3c9cf2230/f4a38a92c35f4a0297334ba67d735915/FLAG0f5980984 [2021-10-13 05:00:55,562 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 05:00:55,562 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db49bf9-5090-4dd9-b1a9-e84f29514958/sv-benchmarks/c/loop-zilu/benchmark33_linear.i [2021-10-13 05:00:55,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db49bf9-5090-4dd9-b1a9-e84f29514958/bin/ukojak-fKGseLULKY/data/3c9cf2230/f4a38a92c35f4a0297334ba67d735915/FLAG0f5980984 [2021-10-13 05:00:55,940 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db49bf9-5090-4dd9-b1a9-e84f29514958/bin/ukojak-fKGseLULKY/data/3c9cf2230/f4a38a92c35f4a0297334ba67d735915 [2021-10-13 05:00:55,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 05:00:55,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 05:00:55,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 05:00:55,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 05:00:55,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 05:00:55,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:00:55" (1/1) ... [2021-10-13 05:00:55,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2378d00b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:55, skipping insertion in model container [2021-10-13 05:00:55,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:00:55" (1/1) ... [2021-10-13 05:00:55,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 05:00:55,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 05:00:56,202 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_7db49bf9-5090-4dd9-b1a9-e84f29514958/sv-benchmarks/c/loop-zilu/benchmark33_linear.i[868,881] [2021-10-13 05:00:56,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 05:00:56,234 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 05:00:56,247 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_7db49bf9-5090-4dd9-b1a9-e84f29514958/sv-benchmarks/c/loop-zilu/benchmark33_linear.i[868,881] [2021-10-13 05:00:56,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 05:00:56,265 INFO L208 MainTranslator]: Completed translation [2021-10-13 05:00:56,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:56 WrapperNode [2021-10-13 05:00:56,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 05:00:56,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 05:00:56,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 05:00:56,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 05:00:56,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:56" (1/1) ... [2021-10-13 05:00:56,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:56" (1/1) ... [2021-10-13 05:00:56,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 05:00:56,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 05:00:56,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 05:00:56,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 05:00:56,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:56" (1/1) ... [2021-10-13 05:00:56,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:56" (1/1) ... [2021-10-13 05:00:56,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:56" (1/1) ... [2021-10-13 05:00:56,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:56" (1/1) ... [2021-10-13 05:00:56,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:56" (1/1) ... [2021-10-13 05:00:56,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:56" (1/1) ... [2021-10-13 05:00:56,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:56" (1/1) ... [2021-10-13 05:00:56,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 05:00:56,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 05:00:56,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 05:00:56,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 05:00:56,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:56" (1/1) ... [2021-10-13 05:00:56,357 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 05:00:56,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db49bf9-5090-4dd9-b1a9-e84f29514958/bin/ukojak-fKGseLULKY/z3 [2021-10-13 05:00:56,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db49bf9-5090-4dd9-b1a9-e84f29514958/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 05:00:56,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db49bf9-5090-4dd9-b1a9-e84f29514958/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 05:00:56,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 05:00:56,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 05:00:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 05:00:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 05:00:56,667 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 05:00:56,667 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 05:00:56,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:00:56 BoogieIcfgContainer [2021-10-13 05:00:56,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 05:00:56,671 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 05:00:56,671 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 05:00:56,713 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 05:00:56,713 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:00:56" (1/1) ... [2021-10-13 05:00:56,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 05:00:56,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:00:56,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2021-10-13 05:00:56,796 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-10-13 05:00:56,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 05:00:56,805 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:00:56,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:00:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:00:56,971 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 05:00:56,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:00:56,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2021-10-13 05:00:56,993 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-10-13 05:00:56,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 05:00:56,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:00:56,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:00:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:00:57,080 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 05:00:57,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:00:57,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2021-10-13 05:00:57,148 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2021-10-13 05:00:57,148 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 05:00:57,149 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2021-10-13 05:00:57,155 INFO L759 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2021-10-13 05:00:57,168 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 05:00:57,172 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-13 05:00:57,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 05:00:57 ImpRootNode [2021-10-13 05:00:57,178 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 05:00:57,179 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 05:00:57,179 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 05:00:57,179 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 05:00:57,180 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:00:56" (3/4) ... [2021-10-13 05:00:57,182 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 05:00:57,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-13 05:00:57,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 05:00:57,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 05:00:57,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 05:00:57,235 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db49bf9-5090-4dd9-b1a9-e84f29514958/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 05:00:57,235 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 05:00:57,237 INFO L168 Benchmark]: Toolchain (without parser) took 1292.30 ms. Allocated memory was 94.4 MB in the beginning and 130.0 MB in the end (delta: 35.7 MB). Free memory was 62.0 MB in the beginning and 75.2 MB in the end (delta: -13.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2021-10-13 05:00:57,238 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory is still 49.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 05:00:57,239 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.17 ms. Allocated memory was 94.4 MB in the beginning and 130.0 MB in the end (delta: 35.7 MB). Free memory was 61.8 MB in the beginning and 105.6 MB in the end (delta: -43.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 05:00:57,240 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.37 ms. Allocated memory is still 130.0 MB. Free memory was 105.6 MB in the beginning and 104.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 05:00:57,241 INFO L168 Benchmark]: Boogie Preprocessor took 35.52 ms. Allocated memory is still 130.0 MB. Free memory was 104.1 MB in the beginning and 103.4 MB in the end (delta: 762.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 05:00:57,242 INFO L168 Benchmark]: RCFGBuilder took 322.81 ms. Allocated memory is still 130.0 MB. Free memory was 103.4 MB in the beginning and 92.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 05:00:57,243 INFO L168 Benchmark]: CodeCheck took 507.62 ms. Allocated memory is still 130.0 MB. Free memory was 92.9 MB in the beginning and 77.3 MB in the end (delta: 15.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 05:00:57,244 INFO L168 Benchmark]: Witness Printer took 56.23 ms. Allocated memory is still 130.0 MB. Free memory was 77.3 MB in the beginning and 75.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 05:00:57,248 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, 9 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 401.9ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 12 SDtfs, 6 SDslu, 0 SDs, 0 SdLazy, 38 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 74.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 7.4ms SsaConstructionTime, 53.8ms SatisfiabilityAnalysisTime, 129.1ms InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 <= x * 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 49.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 323.17 ms. Allocated memory was 94.4 MB in the beginning and 130.0 MB in the end (delta: 35.7 MB). Free memory was 61.8 MB in the beginning and 105.6 MB in the end (delta: -43.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.37 ms. Allocated memory is still 130.0 MB. Free memory was 105.6 MB in the beginning and 104.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.52 ms. Allocated memory is still 130.0 MB. Free memory was 104.1 MB in the beginning and 103.4 MB in the end (delta: 762.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 322.81 ms. Allocated memory is still 130.0 MB. Free memory was 103.4 MB in the beginning and 92.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 507.62 ms. Allocated memory is still 130.0 MB. Free memory was 92.9 MB in the beginning and 77.3 MB in the end (delta: 15.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 56.23 ms. Allocated memory is still 130.0 MB. Free memory was 77.3 MB in the beginning and 75.2 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 05:00:57,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db49bf9-5090-4dd9-b1a9-e84f29514958/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...