./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/Et4_true.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986950aa-dc68-451d-b130-afef6d498e1d/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986950aa-dc68-451d-b130-afef6d498e1d/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986950aa-dc68-451d-b130-afef6d498e1d/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986950aa-dc68-451d-b130-afef6d498e1d/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/Et4_true.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986950aa-dc68-451d-b130-afef6d498e1d/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986950aa-dc68-451d-b130-afef6d498e1d/bin/ukojak-d1pc8ZmBRL --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 fd425c4b2002ad50235bdf7942d03f600c35812ae9d16cfe392f9b6ae03e09d0 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:55:35,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:55:35,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:55:35,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:55:35,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:55:35,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:55:35,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:55:35,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:55:35,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:55:35,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:55:35,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:55:35,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:55:35,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:55:35,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:55:35,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:55:35,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:55:35,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:55:35,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:55:35,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:55:35,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:55:35,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:55:35,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:55:35,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:55:35,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:55:35,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:55:35,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:55:35,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:55:35,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:55:35,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:55:35,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:55:35,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:55:35,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:55:35,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:55:35,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:55:35,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:55:35,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:55:35,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:55:35,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:55:35,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:55:35,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:55:35,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:55:35,405 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986950aa-dc68-451d-b130-afef6d498e1d/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-25 06:55:35,430 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:55:35,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:55:35,434 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:55:35,435 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:55:35,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:55:35,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:55:35,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:55:35,437 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 06:55:35,441 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:55:35,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:55:35,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:55:35,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:55:35,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:55:35,442 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 06:55:35,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:55:35,443 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:55:35,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:55:35,444 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:55:35,444 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:55:35,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:55:35,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:55:35,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:55:35,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:55:35,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:55:35,446 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:55:35,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:55:35,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:55:35,446 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_986950aa-dc68-451d-b130-afef6d498e1d/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986950aa-dc68-451d-b130-afef6d498e1d/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd425c4b2002ad50235bdf7942d03f600c35812ae9d16cfe392f9b6ae03e09d0 [2021-11-25 06:55:35,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:55:35,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:55:35,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:55:35,733 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:55:35,734 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:55:35,735 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986950aa-dc68-451d-b130-afef6d498e1d/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/termination-numeric/Et4_true.c [2021-11-25 06:55:35,818 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986950aa-dc68-451d-b130-afef6d498e1d/bin/ukojak-d1pc8ZmBRL/data/acfc2fe25/f8ef11e22ae74528987f52dd3ebb6eae/FLAG3def60e7e [2021-11-25 06:55:36,259 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:55:36,260 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986950aa-dc68-451d-b130-afef6d498e1d/sv-benchmarks/c/termination-numeric/Et4_true.c [2021-11-25 06:55:36,265 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986950aa-dc68-451d-b130-afef6d498e1d/bin/ukojak-d1pc8ZmBRL/data/acfc2fe25/f8ef11e22ae74528987f52dd3ebb6eae/FLAG3def60e7e [2021-11-25 06:55:36,278 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986950aa-dc68-451d-b130-afef6d498e1d/bin/ukojak-d1pc8ZmBRL/data/acfc2fe25/f8ef11e22ae74528987f52dd3ebb6eae [2021-11-25 06:55:36,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:55:36,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:55:36,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:55:36,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:55:36,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:55:36,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:55:36" (1/1) ... [2021-11-25 06:55:36,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@247b2bb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:55:36, skipping insertion in model container [2021-11-25 06:55:36,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:55:36" (1/1) ... [2021-11-25 06:55:36,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:55:36,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:55:36,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:55:36,480 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:55:36,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:55:36,509 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:55:36,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:55:36 WrapperNode [2021-11-25 06:55:36,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:55:36,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:55:36,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:55:36,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:55:36,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:55:36" (1/1) ... [2021-11-25 06:55:36,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:55:36" (1/1) ... [2021-11-25 06:55:36,540 INFO L137 Inliner]: procedures = 6, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-11-25 06:55:36,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:55:36,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:55:36,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:55:36,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:55:36,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:55:36" (1/1) ... [2021-11-25 06:55:36,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:55:36" (1/1) ... [2021-11-25 06:55:36,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:55:36" (1/1) ... [2021-11-25 06:55:36,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:55:36" (1/1) ... [2021-11-25 06:55:36,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:55:36" (1/1) ... [2021-11-25 06:55:36,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:55:36" (1/1) ... [2021-11-25 06:55:36,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:55:36" (1/1) ... [2021-11-25 06:55:36,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:55:36,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:55:36,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:55:36,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:55:36,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:55:36" (1/1) ... [2021-11-25 06:55:36,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:55:36,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986950aa-dc68-451d-b130-afef6d498e1d/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:55:36,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986950aa-dc68-451d-b130-afef6d498e1d/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:55:36,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986950aa-dc68-451d-b130-afef6d498e1d/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:55:36,628 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-11-25 06:55:36,628 INFO L138 BoogieDeclarations]: Found implementation of procedure random [2021-11-25 06:55:36,628 INFO L130 BoogieDeclarations]: Found specification of procedure loop [2021-11-25 06:55:36,628 INFO L138 BoogieDeclarations]: Found implementation of procedure loop [2021-11-25 06:55:36,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:55:36,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:55:36,677 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:55:36,679 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:55:36,881 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:55:36,907 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:55:36,910 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 06:55:36,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:55:36 BoogieIcfgContainer [2021-11-25 06:55:36,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:55:36,928 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:55:36,928 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:55:36,938 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:55:36,938 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:55:36" (1/1) ... [2021-11-25 06:55:36,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:55:37,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:55:37,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2021-11-25 06:55:37,051 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2021-11-25 06:55:37,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 06:55:37,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:55:37,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:55:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 06:55:37,128 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 06:55:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 06:55:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 06:55:37,174 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 06:55:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 06:55:37,187 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-25 06:55:37,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 06:55:37 ImpRootNode [2021-11-25 06:55:37,209 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 06:55:37,210 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 06:55:37,210 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 06:55:37,210 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 06:55:37,211 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:55:36" (3/4) ... [2021-11-25 06:55:37,213 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-25 06:55:37,244 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986950aa-dc68-451d-b130-afef6d498e1d/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 06:55:37,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 06:55:37,245 INFO L158 Benchmark]: Toolchain (without parser) took 962.93ms. Allocated memory is still 90.2MB. Free memory was 55.5MB in the beginning and 42.7MB in the end (delta: 12.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-11-25 06:55:37,246 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 90.2MB. Free memory was 62.5MB in the beginning and 62.5MB in the end (delta: 25.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:55:37,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.87ms. Allocated memory is still 90.2MB. Free memory was 55.4MB in the beginning and 67.1MB in the end (delta: -11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 06:55:37,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.61ms. Allocated memory is still 90.2MB. Free memory was 67.1MB in the beginning and 65.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:55:37,248 INFO L158 Benchmark]: Boogie Preprocessor took 16.00ms. Allocated memory is still 90.2MB. Free memory was 65.4MB in the beginning and 64.6MB in the end (delta: 784.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:55:37,249 INFO L158 Benchmark]: RCFGBuilder took 368.67ms. Allocated memory is still 90.2MB. Free memory was 64.6MB in the beginning and 54.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 06:55:37,249 INFO L158 Benchmark]: CodeCheck took 281.31ms. Allocated memory is still 90.2MB. Free memory was 54.6MB in the beginning and 44.4MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 06:55:37,250 INFO L158 Benchmark]: Witness Printer took 34.59ms. Allocated memory is still 90.2MB. Free memory was 44.4MB in the beginning and 42.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:55:37,253 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 3 procedures, 37 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, 5 NumberOfCodeBlocks, 5 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: 35]: integer overflow possible integer overflow possible We found a FailurePath: [L25] int x = __VERIFIER_nondet_int(); [L26] int y = __VERIFIER_nondet_int(); [L27] int z = __VERIFIER_nondet_int(); [L28] CALL random() [L33] int x = __VERIFIER_nondet_int(); [L34] COND TRUE x < 0 VAL [x=-2147483648] [L35] -x VAL [x=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 90.2MB. Free memory was 62.5MB in the beginning and 62.5MB in the end (delta: 25.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.87ms. Allocated memory is still 90.2MB. Free memory was 55.4MB in the beginning and 67.1MB in the end (delta: -11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.61ms. Allocated memory is still 90.2MB. Free memory was 67.1MB in the beginning and 65.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.00ms. Allocated memory is still 90.2MB. Free memory was 65.4MB in the beginning and 64.6MB in the end (delta: 784.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 368.67ms. Allocated memory is still 90.2MB. Free memory was 64.6MB in the beginning and 54.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 281.31ms. Allocated memory is still 90.2MB. Free memory was 54.6MB in the beginning and 44.4MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 34.59ms. Allocated memory is still 90.2MB. Free memory was 44.4MB in the beginning and 42.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-25 06:55:37,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986950aa-dc68-451d-b130-afef6d498e1d/bin/ukojak-d1pc8ZmBRL/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)