./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.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_a9c5c632-d15c-40cb-8166-d3156af2f14d/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5c632-d15c-40cb-8166-d3156af2f14d/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_a9c5c632-d15c-40cb-8166-d3156af2f14d/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5c632-d15c-40cb-8166-d3156af2f14d/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5c632-d15c-40cb-8166-d3156af2f14d/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_a9c5c632-d15c-40cb-8166-d3156af2f14d/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 ee88e8123d344a14970849fa456c02e35e9325dc ................................................................................................................................................................................................................................................................. 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 04:18:34,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:18:34,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:18:34,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:18:34,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:18:34,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:18:34,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:18:34,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:18:34,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:18:34,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:18:34,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:18:34,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:18:34,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:18:34,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:18:34,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:18:34,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:18:34,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:18:34,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:18:34,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:18:34,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:18:34,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:18:34,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:18:34,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:18:34,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:18:34,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:18:34,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:18:34,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:18:34,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:18:34,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:18:34,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:18:34,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:18:34,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:18:34,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:18:34,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:18:34,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:18:34,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:18:34,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:18:34,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:18:34,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:18:34,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:18:34,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:18:34,545 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5c632-d15c-40cb-8166-d3156af2f14d/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-10-13 04:18:34,586 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:18:34,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:18:34,587 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 04:18:34,588 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 04:18:34,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:18:34,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:18:34,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:18:34,589 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 04:18:34,595 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:18:34,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:18:34,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 04:18:34,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:18:34,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 04:18:34,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:18:34,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 04:18:34,598 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 04:18:34,598 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 04:18:34,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 04:18:34,599 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:18:34,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 04:18:34,599 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:18:34,599 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:18:34,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:18:34,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:18:34,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:18:34,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:18:34,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 04:18:34,601 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:18:34,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:18:34,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 04:18:34,602 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_a9c5c632-d15c-40cb-8166-d3156af2f14d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5c632-d15c-40cb-8166-d3156af2f14d/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee88e8123d344a14970849fa456c02e35e9325dc [2021-10-13 04:18:34,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:18:34,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:18:34,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:18:34,935 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:18:34,935 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:18:34,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5c632-d15c-40cb-8166-d3156af2f14d/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i [2021-10-13 04:18:35,019 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5c632-d15c-40cb-8166-d3156af2f14d/bin/ukojak-fKGseLULKY/data/5d0c91075/bd9474f9c8544395bd32088c526f4e65/FLAG90b83e742 [2021-10-13 04:18:35,511 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:18:35,512 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5c632-d15c-40cb-8166-d3156af2f14d/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i [2021-10-13 04:18:35,524 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5c632-d15c-40cb-8166-d3156af2f14d/bin/ukojak-fKGseLULKY/data/5d0c91075/bd9474f9c8544395bd32088c526f4e65/FLAG90b83e742 [2021-10-13 04:18:35,890 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5c632-d15c-40cb-8166-d3156af2f14d/bin/ukojak-fKGseLULKY/data/5d0c91075/bd9474f9c8544395bd32088c526f4e65 [2021-10-13 04:18:35,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:18:35,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:18:35,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:18:35,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:18:35,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:18:35,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:18:35" (1/1) ... [2021-10-13 04:18:35,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51fab022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:18:35, skipping insertion in model container [2021-10-13 04:18:35,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:18:35" (1/1) ... [2021-10-13 04:18:35,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:18:35,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:18:36,104 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_a9c5c632-d15c-40cb-8166-d3156af2f14d/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i[873,886] [2021-10-13 04:18:36,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:18:36,119 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:18:36,135 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_a9c5c632-d15c-40cb-8166-d3156af2f14d/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i[873,886] [2021-10-13 04:18:36,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:18:36,158 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:18:36,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:18:36 WrapperNode [2021-10-13 04:18:36,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:18:36,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:18:36,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:18:36,165 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:18:36,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:18:36" (1/1) ... [2021-10-13 04:18:36,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:18:36" (1/1) ... [2021-10-13 04:18:36,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:18:36,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:18:36,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:18:36,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:18:36,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:18:36" (1/1) ... [2021-10-13 04:18:36,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:18:36" (1/1) ... [2021-10-13 04:18:36,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:18:36" (1/1) ... [2021-10-13 04:18:36,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:18:36" (1/1) ... [2021-10-13 04:18:36,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:18:36" (1/1) ... [2021-10-13 04:18:36,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:18:36" (1/1) ... [2021-10-13 04:18:36,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:18:36" (1/1) ... [2021-10-13 04:18:36,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:18:36,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:18:36,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:18:36,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:18:36,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:18:36" (1/1) ... [2021-10-13 04:18:36,239 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:18:36,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5c632-d15c-40cb-8166-d3156af2f14d/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:18:36,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5c632-d15c-40cb-8166-d3156af2f14d/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:18:36,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5c632-d15c-40cb-8166-d3156af2f14d/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:18:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 04:18:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 04:18:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:18:36,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:18:36,527 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:18:36,527 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 04:18:36,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:18:36 BoogieIcfgContainer [2021-10-13 04:18:36,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:18:36,530 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:18:36,531 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:18:36,558 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:18:36,558 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:18:36" (1/1) ... [2021-10-13 04:18:36,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:18:36,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:18:36,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2021-10-13 04:18:36,625 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2021-10-13 04:18:36,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 04:18:36,640 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:18:36,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:18:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:18:36,799 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 04:18:36,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:18:36,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2021-10-13 04:18:36,829 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-10-13 04:18:36,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:18:36,829 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:18:36,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:18:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:18:36,866 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 04:18:36,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:18:36,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2021-10-13 04:18:36,928 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-10-13 04:18:36,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 04:18:36,929 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:18:36,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:18:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:18:36,992 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 04:18:37,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:18:37,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2021-10-13 04:18:37,166 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-10-13 04:18:37,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 04:18:37,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:18:37,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:18:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:18:37,205 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 04:18:37,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:18:37,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2021-10-13 04:18:37,565 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2021-10-13 04:18:37,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 04:18:37,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:18:37,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:18:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:18:37,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:18:37,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:18:37,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2021-10-13 04:18:37,900 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-10-13 04:18:37,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 04:18:37,900 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2021-10-13 04:18:37,906 INFO L759 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-10-13 04:18:37,965 INFO L565 CodeCheckObserver]: Invariant with dag size 12 [2021-10-13 04:18:37,975 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:18:37,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:18:37 ImpRootNode [2021-10-13 04:18:37,976 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:18:37,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:18:37,977 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:18:37,978 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:18:37,978 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:18:36" (3/4) ... [2021-10-13 04:18:37,981 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 04:18:37,998 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-13 04:18:37,999 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-13 04:18:37,999 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 04:18:37,999 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 04:18:38,073 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5c632-d15c-40cb-8166-d3156af2f14d/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:18:38,074 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:18:38,077 INFO L168 Benchmark]: Toolchain (without parser) took 2178.13 ms. Allocated memory was 92.3 MB in the beginning and 123.7 MB in the end (delta: 31.5 MB). Free memory was 57.0 MB in the beginning and 90.2 MB in the end (delta: -33.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:18:38,078 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 65.1 MB in the beginning and 65.0 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:18:38,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.89 ms. Allocated memory was 92.3 MB in the beginning and 123.7 MB in the end (delta: 31.5 MB). Free memory was 56.8 MB in the beginning and 98.5 MB in the end (delta: -41.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:18:38,080 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.09 ms. Allocated memory is still 123.7 MB. Free memory was 98.5 MB in the beginning and 96.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:18:38,084 INFO L168 Benchmark]: Boogie Preprocessor took 18.16 ms. Allocated memory is still 123.7 MB. Free memory was 96.9 MB in the beginning and 96.4 MB in the end (delta: 563.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:18:38,084 INFO L168 Benchmark]: RCFGBuilder took 299.07 ms. Allocated memory is still 123.7 MB. Free memory was 95.6 MB in the beginning and 85.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 04:18:38,088 INFO L168 Benchmark]: CodeCheck took 1445.99 ms. Allocated memory is still 123.7 MB. Free memory was 85.1 MB in the beginning and 92.5 MB in the end (delta: -7.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:18:38,088 INFO L168 Benchmark]: Witness Printer took 97.07 ms. Allocated memory is still 123.7 MB. Free memory was 92.5 MB in the beginning and 90.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:18:38,095 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1308.7ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 48 SDtfs, 192 SDslu, 64 SDs, 0 SdLazy, 808 SolverSat, 160 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 386.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 271 GetRequests, 223 SyntacticMatches, 8 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 687.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 12.3ms SsaConstructionTime, 95.8ms SatisfiabilityAnalysisTime, 184.0ms InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 115 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 3/3 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: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 99 < x || (0 <= y + 2147483648 && 0 <= x + 2147483648) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 65.1 MB in the beginning and 65.0 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 256.89 ms. Allocated memory was 92.3 MB in the beginning and 123.7 MB in the end (delta: 31.5 MB). Free memory was 56.8 MB in the beginning and 98.5 MB in the end (delta: -41.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.09 ms. Allocated memory is still 123.7 MB. Free memory was 98.5 MB in the beginning and 96.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.16 ms. Allocated memory is still 123.7 MB. Free memory was 96.9 MB in the beginning and 96.4 MB in the end (delta: 563.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 299.07 ms. Allocated memory is still 123.7 MB. Free memory was 95.6 MB in the beginning and 85.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 1445.99 ms. Allocated memory is still 123.7 MB. Free memory was 85.1 MB in the beginning and 92.5 MB in the end (delta: -7.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 97.07 ms. Allocated memory is still 123.7 MB. Free memory was 92.5 MB in the beginning and 90.2 MB in the end (delta: 2.4 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 04:18:38,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5c632-d15c-40cb-8166-d3156af2f14d/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...