./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc181af-5760-4cca-b4c4-f57d5b865f42/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc181af-5760-4cca-b4c4-f57d5b865f42/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc181af-5760-4cca-b4c4-f57d5b865f42/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc181af-5760-4cca-b4c4-f57d5b865f42/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc181af-5760-4cca-b4c4-f57d5b865f42/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc181af-5760-4cca-b4c4-f57d5b865f42/bin/ukojak-vF6T2TMglN --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 2dd3364bf5e5337e36d5137f60eb9fb66edcf0c750f78ddc701b6a530fbd02a5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:04:31,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:04:31,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:04:31,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:04:31,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:04:31,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:04:31,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:04:31,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:04:31,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:04:31,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:04:31,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:04:31,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:04:31,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:04:31,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:04:31,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:04:31,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:04:31,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:04:31,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:04:31,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:04:31,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:04:31,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:04:31,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:04:31,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:04:31,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:04:31,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:04:31,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:04:31,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:04:31,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:04:31,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:04:31,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:04:31,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:04:31,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:04:31,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:04:31,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:04:31,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:04:31,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:04:31,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:04:31,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:04:31,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:04:31,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:04:31,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:04:31,146 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc181af-5760-4cca-b4c4-f57d5b865f42/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 05:04:31,170 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:04:31,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:04:31,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:04:31,172 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:04:31,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:04:31,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:04:31,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:04:31,174 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:04:31,174 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:04:31,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:04:31,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:04:31,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:04:31,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:04:31,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:04:31,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:04:31,177 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:04:31,178 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:04:31,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:04:31,178 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:04:31,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:04:31,179 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:04:31,180 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:04:31,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:04:31,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:04:31,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:04:31,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:04:31,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:04:31,182 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:04:31,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:04:31,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:04:31,182 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_fbc181af-5760-4cca-b4c4-f57d5b865f42/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc181af-5760-4cca-b4c4-f57d5b865f42/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2dd3364bf5e5337e36d5137f60eb9fb66edcf0c750f78ddc701b6a530fbd02a5 [2021-11-21 05:04:31,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:04:31,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:04:31,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:04:31,548 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:04:31,549 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:04:31,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc181af-5760-4cca-b4c4-f57d5b865f42/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i [2021-11-21 05:04:31,617 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc181af-5760-4cca-b4c4-f57d5b865f42/bin/ukojak-vF6T2TMglN/data/941287787/b69b75d6e6c04efe9a2fb013cd1e324a/FLAG444e61573 [2021-11-21 05:04:32,122 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:04:32,123 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc181af-5760-4cca-b4c4-f57d5b865f42/sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i [2021-11-21 05:04:32,129 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc181af-5760-4cca-b4c4-f57d5b865f42/bin/ukojak-vF6T2TMglN/data/941287787/b69b75d6e6c04efe9a2fb013cd1e324a/FLAG444e61573 [2021-11-21 05:04:32,506 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc181af-5760-4cca-b4c4-f57d5b865f42/bin/ukojak-vF6T2TMglN/data/941287787/b69b75d6e6c04efe9a2fb013cd1e324a [2021-11-21 05:04:32,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:04:32,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:04:32,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:04:32,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:04:32,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:04:32,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:04:32" (1/1) ... [2021-11-21 05:04:32,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732c3fab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:32, skipping insertion in model container [2021-11-21 05:04:32,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:04:32" (1/1) ... [2021-11-21 05:04:32,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:04:32,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:04:32,716 WARN L230 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_fbc181af-5760-4cca-b4c4-f57d5b865f42/sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i[873,886] [2021-11-21 05:04:32,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:04:32,732 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:04:32,745 WARN L230 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_fbc181af-5760-4cca-b4c4-f57d5b865f42/sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i[873,886] [2021-11-21 05:04:32,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:04:32,762 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:04:32,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:32 WrapperNode [2021-11-21 05:04:32,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:04:32,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:04:32,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:04:32,765 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:04:32,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:32" (1/1) ... [2021-11-21 05:04:32,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:32" (1/1) ... [2021-11-21 05:04:32,792 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2021-11-21 05:04:32,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:04:32,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:04:32,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:04:32,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:04:32,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:32" (1/1) ... [2021-11-21 05:04:32,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:32" (1/1) ... [2021-11-21 05:04:32,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:32" (1/1) ... [2021-11-21 05:04:32,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:32" (1/1) ... [2021-11-21 05:04:32,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:32" (1/1) ... [2021-11-21 05:04:32,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:32" (1/1) ... [2021-11-21 05:04:32,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:32" (1/1) ... [2021-11-21 05:04:32,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:04:32,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:04:32,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:04:32,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:04:32,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:04:32" (1/1) ... [2021-11-21 05:04:32,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:04:32,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc181af-5760-4cca-b4c4-f57d5b865f42/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:04:32,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc181af-5760-4cca-b4c4-f57d5b865f42/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:04:32,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc181af-5760-4cca-b4c4-f57d5b865f42/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:04:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:04:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:04:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:04:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:04:32,997 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:04:32,999 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:04:33,108 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:04:33,136 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:04:33,136 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 05:04:33,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:04:33 BoogieIcfgContainer [2021-11-21 05:04:33,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:04:33,144 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:04:33,144 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:04:33,156 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:04:33,156 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:04:33" (1/1) ... [2021-11-21 05:04:33,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:04:33,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:04:33,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2021-11-21 05:04:33,217 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2021-11-21 05:04:33,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:04:33,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:04:33,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:04:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:04:33,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:04:33,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:04:33,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-11-21 05:04:33,416 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-11-21 05:04:33,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:04:33,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:04:33,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:04:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:04:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:04:33,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:04:33,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2021-11-21 05:04:33,509 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2021-11-21 05:04:33,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:04:33,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:04:33,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:04:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:04:33,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:04:33,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:04:33,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2021-11-21 05:04:33,981 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-11-21 05:04:33,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:04:33,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:04:33,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:04:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:04:34,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:04:34,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:04:34,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2021-11-21 05:04:34,526 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2021-11-21 05:04:34,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:04:34,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:04:34,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:04:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:04:34,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:04:35,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:04:35,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2021-11-21 05:04:35,045 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2021-11-21 05:04:35,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:04:35,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:04:35,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:04:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:04:35,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:04:35,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:04:35,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2021-11-21 05:04:35,285 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2021-11-21 05:04:35,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:04:35,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:04:35,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:04:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:04:35,402 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:04:35,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:04:35,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2021-11-21 05:04:35,904 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2021-11-21 05:04:35,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:04:35,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:04:35,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:04:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:04:36,054 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:04:36,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:04:36,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 51 transitions. [2021-11-21 05:04:36,584 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2021-11-21 05:04:36,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:04:36,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:04:36,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:04:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:04:36,744 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:04:37,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:04:37,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2021-11-21 05:04:37,499 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-11-21 05:04:37,499 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 05:04:37,500 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2021-11-21 05:04:37,509 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-11-21 05:04:37,537 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2021-11-21 05:04:37,547 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 05:04:37,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 05:04:37 ImpRootNode [2021-11-21 05:04:37,547 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 05:04:37,548 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 05:04:37,548 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 05:04:37,548 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 05:04:37,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:04:33" (3/4) ... [2021-11-21 05:04:37,550 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 05:04:37,558 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-21 05:04:37,558 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-21 05:04:37,558 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 05:04:37,558 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 05:04:37,599 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc181af-5760-4cca-b4c4-f57d5b865f42/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 05:04:37,599 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 05:04:37,600 INFO L158 Benchmark]: Toolchain (without parser) took 5089.98ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 59.6MB in the beginning and 71.2MB in the end (delta: -11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 05:04:37,601 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 96.5MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:04:37,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.69ms. Allocated memory is still 96.5MB. Free memory was 59.4MB in the beginning and 72.0MB in the end (delta: -12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 05:04:37,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.83ms. Allocated memory is still 96.5MB. Free memory was 72.0MB in the beginning and 70.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:04:37,603 INFO L158 Benchmark]: Boogie Preprocessor took 19.17ms. Allocated memory is still 96.5MB. Free memory was 70.7MB in the beginning and 69.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:04:37,604 INFO L158 Benchmark]: RCFGBuilder took 329.25ms. Allocated memory is still 96.5MB. Free memory was 69.4MB in the beginning and 59.9MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 05:04:37,605 INFO L158 Benchmark]: CodeCheck took 4403.81ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 59.5MB in the beginning and 74.3MB in the end (delta: -14.8MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-11-21 05:04:37,606 INFO L158 Benchmark]: Witness Printer took 51.50ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 71.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:04:37,610 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: 4.3s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 203 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 179 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 213 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 890 IncrementalHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 213 mSolverCounterUnsat, 0 mSDtfsCounter, 890 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 754 GetRequests, 598 SyntacticMatches, 36 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6324 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 16/35 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 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 - 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: 24]: Loop Invariant Derived loop invariant: ((0 <= k && j <= k) && k < 1) || ((k <= 2147483647 && j <= k) && 1 <= k) - 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 0.29ms. Allocated memory is still 96.5MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.69ms. Allocated memory is still 96.5MB. Free memory was 59.4MB in the beginning and 72.0MB in the end (delta: -12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.83ms. Allocated memory is still 96.5MB. Free memory was 72.0MB in the beginning and 70.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.17ms. Allocated memory is still 96.5MB. Free memory was 70.7MB in the beginning and 69.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 329.25ms. Allocated memory is still 96.5MB. Free memory was 69.4MB in the beginning and 59.9MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 4403.81ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 59.5MB in the beginning and 74.3MB in the end (delta: -14.8MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Witness Printer took 51.50ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 71.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-21 05:04:37,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc181af-5760-4cca-b4c4-f57d5b865f42/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE