./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b966c7-427f-4ac1-98cd-af40bffa0d18/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b966c7-427f-4ac1-98cd-af40bffa0d18/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b966c7-427f-4ac1-98cd-af40bffa0d18/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b966c7-427f-4ac1-98cd-af40bffa0d18/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b966c7-427f-4ac1-98cd-af40bffa0d18/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b966c7-427f-4ac1-98cd-af40bffa0d18/bin/ukojak-LBtLqBUTdQ --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 bee045beef00a84520361ceade974b7fbb908b65f12806fb137f6143300856d1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:35:03,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:35:03,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:35:03,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:35:03,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:35:03,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:35:03,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:35:03,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:35:03,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:35:03,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:35:03,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:35:03,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:35:03,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:35:03,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:35:03,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:35:03,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:35:03,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:35:03,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:35:03,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:35:03,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:35:03,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:35:03,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:35:03,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:35:03,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:35:03,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:35:03,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:35:03,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:35:03,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:35:03,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:35:03,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:35:03,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:35:03,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:35:03,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:35:03,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:35:03,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:35:03,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:35:03,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:35:03,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:35:03,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:35:03,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:35:03,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:35:03,677 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b966c7-427f-4ac1-98cd-af40bffa0d18/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-23 01:35:03,701 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:35:03,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:35:03,702 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:35:03,702 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:35:03,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:35:03,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:35:03,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:35:03,703 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:35:03,703 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:35:03,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:35:03,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:35:03,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:35:03,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:35:03,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:35:03,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:35:03,705 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 01:35:03,705 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:35:03,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:35:03,705 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:35:03,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:35:03,706 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:35:03,706 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:35:03,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:35:03,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:35:03,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:35:03,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:35:03,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:35:03,707 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:35:03,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:35:03,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:35:03,708 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_06b966c7-427f-4ac1-98cd-af40bffa0d18/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b966c7-427f-4ac1-98cd-af40bffa0d18/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bee045beef00a84520361ceade974b7fbb908b65f12806fb137f6143300856d1 [2021-11-23 01:35:04,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:35:04,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:35:04,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:35:04,051 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:35:04,051 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:35:04,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b966c7-427f-4ac1-98cd-af40bffa0d18/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i [2021-11-23 01:35:04,136 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b966c7-427f-4ac1-98cd-af40bffa0d18/bin/ukojak-LBtLqBUTdQ/data/c01ce2ce2/f24018bc8c4d43059ae26b50ad10675b/FLAG363788edd [2021-11-23 01:35:04,661 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:35:04,662 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b966c7-427f-4ac1-98cd-af40bffa0d18/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i [2021-11-23 01:35:04,672 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b966c7-427f-4ac1-98cd-af40bffa0d18/bin/ukojak-LBtLqBUTdQ/data/c01ce2ce2/f24018bc8c4d43059ae26b50ad10675b/FLAG363788edd [2021-11-23 01:35:05,007 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b966c7-427f-4ac1-98cd-af40bffa0d18/bin/ukojak-LBtLqBUTdQ/data/c01ce2ce2/f24018bc8c4d43059ae26b50ad10675b [2021-11-23 01:35:05,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:35:05,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:35:05,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:35:05,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:35:05,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:35:05,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:05" (1/1) ... [2021-11-23 01:35:05,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33296af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:05, skipping insertion in model container [2021-11-23 01:35:05,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:05" (1/1) ... [2021-11-23 01:35:05,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:35:05,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:35:05,228 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_06b966c7-427f-4ac1-98cd-af40bffa0d18/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i[873,886] [2021-11-23 01:35:05,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:35:05,247 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:35:05,260 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_06b966c7-427f-4ac1-98cd-af40bffa0d18/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i[873,886] [2021-11-23 01:35:05,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:35:05,277 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:35:05,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:05 WrapperNode [2021-11-23 01:35:05,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:35:05,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:35:05,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:35:05,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:35:05,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:05" (1/1) ... [2021-11-23 01:35:05,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:05" (1/1) ... [2021-11-23 01:35:05,311 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2021-11-23 01:35:05,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:35:05,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:35:05,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:35:05,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:35:05,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:05" (1/1) ... [2021-11-23 01:35:05,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:05" (1/1) ... [2021-11-23 01:35:05,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:05" (1/1) ... [2021-11-23 01:35:05,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:05" (1/1) ... [2021-11-23 01:35:05,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:05" (1/1) ... [2021-11-23 01:35:05,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:05" (1/1) ... [2021-11-23 01:35:05,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:05" (1/1) ... [2021-11-23 01:35:05,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:35:05,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:35:05,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:35:05,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:35:05,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:05" (1/1) ... [2021-11-23 01:35:05,346 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:35:05,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b966c7-427f-4ac1-98cd-af40bffa0d18/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:35:05,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b966c7-427f-4ac1-98cd-af40bffa0d18/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:35:05,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b966c7-427f-4ac1-98cd-af40bffa0d18/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:35:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:35:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:35:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:35:05,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:35:05,497 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:35:05,499 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:35:05,722 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:35:05,741 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:35:05,741 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:35:05,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:05 BoogieIcfgContainer [2021-11-23 01:35:05,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:35:05,745 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:35:05,745 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:35:05,777 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:35:05,785 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:05" (1/1) ... [2021-11-23 01:35:05,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:35:05,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:05,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2021-11-23 01:35:05,880 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2021-11-23 01:35:05,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:35:05,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:05,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:06,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:06,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:06,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2021-11-23 01:35:06,096 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2021-11-23 01:35:06,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:35:06,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:06,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:06,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:06,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:06,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2021-11-23 01:35:06,174 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2021-11-23 01:35:06,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:35:06,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:06,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:06,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:06,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:06,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2021-11-23 01:35:06,393 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2021-11-23 01:35:06,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:35:06,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:06,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:06,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:06,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:06,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2021-11-23 01:35:06,442 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2021-11-23 01:35:06,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:35:06,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:06,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:35:06,452 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:35:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:35:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:35:06,495 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:35:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:35:06,505 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2021-11-23 01:35:06,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:35:06 ImpRootNode [2021-11-23 01:35:06,529 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:35:06,562 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:35:06,562 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:35:06,563 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:35:06,563 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:05" (3/4) ... [2021-11-23 01:35:06,565 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:35:06,631 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b966c7-427f-4ac1-98cd-af40bffa0d18/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:35:06,631 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:35:06,632 INFO L158 Benchmark]: Toolchain (without parser) took 1620.47ms. Allocated memory is still 127.9MB. Free memory was 95.0MB in the beginning and 103.8MB in the end (delta: -8.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:35:06,633 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 43.4MB in the beginning and 43.4MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:35:06,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.82ms. Allocated memory is still 127.9MB. Free memory was 95.0MB in the beginning and 103.5MB in the end (delta: -8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:35:06,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.78ms. Allocated memory is still 127.9MB. Free memory was 103.5MB in the beginning and 102.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:35:06,635 INFO L158 Benchmark]: Boogie Preprocessor took 18.64ms. Allocated memory is still 127.9MB. Free memory was 102.2MB in the beginning and 101.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:35:06,635 INFO L158 Benchmark]: RCFGBuilder took 412.31ms. Allocated memory is still 127.9MB. Free memory was 101.0MB in the beginning and 90.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:35:06,636 INFO L158 Benchmark]: CodeCheck took 784.97ms. Allocated memory is still 127.9MB. Free memory was 90.1MB in the beginning and 65.8MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 01:35:06,637 INFO L158 Benchmark]: Witness Printer took 69.41ms. Allocated memory is still 127.9MB. Free memory was 105.1MB in the beginning and 103.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:35:06,640 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, 37 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 5, 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, 85 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 43 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 30]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] COND FALSE !(!(x=0)) VAL [x=2147483638, y=2147483639] [L30] x+10 VAL [x=2147483638, y=2147483639] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 43.4MB in the beginning and 43.4MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.82ms. Allocated memory is still 127.9MB. Free memory was 95.0MB in the beginning and 103.5MB in the end (delta: -8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.78ms. Allocated memory is still 127.9MB. Free memory was 103.5MB in the beginning and 102.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.64ms. Allocated memory is still 127.9MB. Free memory was 102.2MB in the beginning and 101.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.31ms. Allocated memory is still 127.9MB. Free memory was 101.0MB in the beginning and 90.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 784.97ms. Allocated memory is still 127.9MB. Free memory was 90.1MB in the beginning and 65.8MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 69.41ms. Allocated memory is still 127.9MB. Free memory was 105.1MB in the beginning and 103.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 01:35:06,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b966c7-427f-4ac1-98cd-af40bffa0d18/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)