./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1b.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_66a6da98-b116-4197-b3a1-bd26b6ba9f0f/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a6da98-b116-4197-b3a1-bd26b6ba9f0f/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_66a6da98-b116-4197-b3a1-bd26b6ba9f0f/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a6da98-b116-4197-b3a1-bd26b6ba9f0f/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a6da98-b116-4197-b3a1-bd26b6ba9f0f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a6da98-b116-4197-b3a1-bd26b6ba9f0f/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 64bit --witnessprinter.graph.data.programhash 765fe8332a4535214fe7f81fc3631d62b864e11da39212ecf5fb5a9d7946a5fc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:33:22,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:33:22,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:33:22,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:33:22,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:33:22,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:33:22,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:33:22,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:33:22,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:33:22,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:33:22,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:33:22,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:33:22,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:33:22,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:33:22,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:33:22,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:33:22,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:33:22,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:33:22,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:33:22,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:33:22,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:33:22,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:33:22,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:33:22,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:33:22,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:33:22,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:33:22,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:33:22,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:33:22,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:33:22,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:33:22,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:33:22,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:33:22,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:33:22,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:33:22,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:33:22,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:33:22,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:33:22,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:33:22,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:33:22,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:33:22,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:33:22,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a6da98-b116-4197-b3a1-bd26b6ba9f0f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-23 01:33:22,267 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:33:22,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:33:22,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:33:22,269 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:33:22,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:33:22,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:33:22,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:33:22,271 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:33:22,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:33:22,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:33:22,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:33:22,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:33:22,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:33:22,278 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 01:33:22,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:33:22,278 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:33:22,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:33:22,279 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:33:22,279 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:33:22,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:33:22,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:33:22,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:33:22,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:33:22,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:33:22,280 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:33:22,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:33:22,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:33:22,281 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_66a6da98-b116-4197-b3a1-bd26b6ba9f0f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a6da98-b116-4197-b3a1-bd26b6ba9f0f/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 765fe8332a4535214fe7f81fc3631d62b864e11da39212ecf5fb5a9d7946a5fc [2021-11-23 01:33:22,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:33:22,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:33:22,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:33:22,633 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:33:22,634 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:33:22,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a6da98-b116-4197-b3a1-bd26b6ba9f0f/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1b.c [2021-11-23 01:33:22,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a6da98-b116-4197-b3a1-bd26b6ba9f0f/bin/ukojak-LBtLqBUTdQ/data/753073ac8/fdf0a5175ea049d7af671cb96cb2a183/FLAG2a4bcad3f [2021-11-23 01:33:23,165 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:33:23,166 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a6da98-b116-4197-b3a1-bd26b6ba9f0f/sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1b.c [2021-11-23 01:33:23,172 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a6da98-b116-4197-b3a1-bd26b6ba9f0f/bin/ukojak-LBtLqBUTdQ/data/753073ac8/fdf0a5175ea049d7af671cb96cb2a183/FLAG2a4bcad3f [2021-11-23 01:33:23,546 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a6da98-b116-4197-b3a1-bd26b6ba9f0f/bin/ukojak-LBtLqBUTdQ/data/753073ac8/fdf0a5175ea049d7af671cb96cb2a183 [2021-11-23 01:33:23,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:33:23,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:33:23,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:33:23,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:33:23,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:33:23,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:33:23" (1/1) ... [2021-11-23 01:33:23,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a648bf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:23, skipping insertion in model container [2021-11-23 01:33:23,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:33:23" (1/1) ... [2021-11-23 01:33:23,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:33:23,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:33:23,728 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:33:23,734 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:33:23,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:33:23,760 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:33:23,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:23 WrapperNode [2021-11-23 01:33:23,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:33:23,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:33:23,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:33:23,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:33:23,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:23" (1/1) ... [2021-11-23 01:33:23,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:23" (1/1) ... [2021-11-23 01:33:23,794 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2021-11-23 01:33:23,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:33:23,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:33:23,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:33:23,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:33:23,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:23" (1/1) ... [2021-11-23 01:33:23,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:23" (1/1) ... [2021-11-23 01:33:23,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:23" (1/1) ... [2021-11-23 01:33:23,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:23" (1/1) ... [2021-11-23 01:33:23,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:23" (1/1) ... [2021-11-23 01:33:23,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:23" (1/1) ... [2021-11-23 01:33:23,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:23" (1/1) ... [2021-11-23 01:33:23,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:33:23,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:33:23,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:33:23,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:33:23,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:23" (1/1) ... [2021-11-23 01:33:23,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:33:23,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a6da98-b116-4197-b3a1-bd26b6ba9f0f/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:33:23,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a6da98-b116-4197-b3a1-bd26b6ba9f0f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:33:23,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a6da98-b116-4197-b3a1-bd26b6ba9f0f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:33:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:33:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:33:23,967 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:33:23,969 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:33:24,076 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:33:24,093 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:33:24,094 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:33:24,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:24 BoogieIcfgContainer [2021-11-23 01:33:24,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:33:24,098 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:33:24,098 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:33:24,110 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:33:24,110 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:24" (1/1) ... [2021-11-23 01:33:24,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:33:24,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:24,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2021-11-23 01:33:24,186 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-11-23 01:33:24,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:33:24,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:24,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:33:24,255 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:33:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:33:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:33:24,285 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:33:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:33:24,295 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-23 01:33:24,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:33:24 ImpRootNode [2021-11-23 01:33:24,317 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:33:24,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:33:24,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:33:24,318 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:33:24,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:24" (3/4) ... [2021-11-23 01:33:24,321 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:33:24,355 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a6da98-b116-4197-b3a1-bd26b6ba9f0f/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:33:24,355 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:33:24,357 INFO L158 Benchmark]: Toolchain (without parser) took 805.80ms. Allocated memory is still 119.5MB. Free memory was 90.1MB in the beginning and 73.4MB in the end (delta: 16.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2021-11-23 01:33:24,359 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:33:24,365 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.87ms. Allocated memory is still 119.5MB. Free memory was 89.8MB in the beginning and 95.4MB in the end (delta: -5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:33:24,366 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.08ms. Allocated memory is still 119.5MB. Free memory was 95.4MB in the beginning and 94.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:33:24,367 INFO L158 Benchmark]: Boogie Preprocessor took 18.33ms. Allocated memory is still 119.5MB. Free memory was 94.2MB in the beginning and 93.2MB in the end (delta: 984.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:33:24,368 INFO L158 Benchmark]: RCFGBuilder took 282.52ms. Allocated memory is still 119.5MB. Free memory was 93.2MB in the beginning and 83.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:33:24,368 INFO L158 Benchmark]: CodeCheck took 219.45ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 74.7MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:33:24,369 INFO L158 Benchmark]: Witness Printer took 37.47ms. Allocated memory is still 119.5MB. Free memory was 74.7MB in the beginning and 73.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:33:24,379 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, 20 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 20]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x; [L15] x = __VERIFIER_nondet_int() [L16] COND TRUE x <= 100 [L17] COND FALSE !(__VERIFIER_nondet_int() != 0) [L20] -3*x VAL [x=-715827883] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.87ms. Allocated memory is still 119.5MB. Free memory was 89.8MB in the beginning and 95.4MB in the end (delta: -5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.08ms. Allocated memory is still 119.5MB. Free memory was 95.4MB in the beginning and 94.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.33ms. Allocated memory is still 119.5MB. Free memory was 94.2MB in the beginning and 93.2MB in the end (delta: 984.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 282.52ms. Allocated memory is still 119.5MB. Free memory was 93.2MB in the beginning and 83.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 219.45ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 74.7MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 37.47ms. Allocated memory is still 119.5MB. Free memory was 74.7MB in the beginning and 73.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 01:33:24,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a6da98-b116-4197-b3a1-bd26b6ba9f0f/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)