./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/PrefixIncrement.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece63711-e5b4-467f-bdf8-012f775f8e61/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece63711-e5b4-467f-bdf8-012f775f8e61/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece63711-e5b4-467f-bdf8-012f775f8e61/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece63711-e5b4-467f-bdf8-012f775f8e61/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/PrefixIncrement.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece63711-e5b4-467f-bdf8-012f775f8e61/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece63711-e5b4-467f-bdf8-012f775f8e61/bin/ukojak-fKGseLULKY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 458defa6989fd07c9ad90ba734f631bc16cdc88e ............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 05:09:40,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 05:09:40,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 05:09:40,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 05:09:40,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 05:09:40,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 05:09:40,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 05:09:40,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 05:09:40,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 05:09:40,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 05:09:40,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 05:09:40,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 05:09:40,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 05:09:40,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 05:09:40,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 05:09:40,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 05:09:40,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 05:09:40,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 05:09:40,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 05:09:40,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 05:09:40,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 05:09:40,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 05:09:40,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 05:09:40,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 05:09:40,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 05:09:40,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 05:09:40,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 05:09:40,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 05:09:40,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 05:09:40,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 05:09:40,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 05:09:40,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 05:09:40,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 05:09:40,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 05:09:40,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 05:09:40,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 05:09:40,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 05:09:40,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 05:09:40,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 05:09:40,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 05:09:40,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 05:09:40,684 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece63711-e5b4-467f-bdf8-012f775f8e61/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-13 05:09:40,730 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 05:09:40,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 05:09:40,731 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 05:09:40,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 05:09:40,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 05:09:40,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 05:09:40,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 05:09:40,733 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 05:09:40,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 05:09:40,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 05:09:40,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 05:09:40,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 05:09:40,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 05:09:40,742 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 05:09:40,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 05:09:40,743 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 05:09:40,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 05:09:40,743 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 05:09:40,744 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 05:09:40,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 05:09:40,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 05:09:40,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 05:09:40,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 05:09:40,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 05:09:40,745 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 05:09:40,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 05:09:40,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 05:09:40,746 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_ece63711-e5b4-467f-bdf8-012f775f8e61/bin/ukojak-fKGseLULKY/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece63711-e5b4-467f-bdf8-012f775f8e61/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 458defa6989fd07c9ad90ba734f631bc16cdc88e [2021-10-13 05:09:41,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 05:09:41,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 05:09:41,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 05:09:41,034 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 05:09:41,035 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 05:09:41,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece63711-e5b4-467f-bdf8-012f775f8e61/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/signedintegeroverflow-regression/PrefixIncrement.i [2021-10-13 05:09:41,115 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece63711-e5b4-467f-bdf8-012f775f8e61/bin/ukojak-fKGseLULKY/data/0ef47fd04/6c40e4dcc62043cb9beb8f0528f89a97/FLAGf953222f8 [2021-10-13 05:09:41,634 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 05:09:41,635 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece63711-e5b4-467f-bdf8-012f775f8e61/sv-benchmarks/c/signedintegeroverflow-regression/PrefixIncrement.i [2021-10-13 05:09:41,651 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece63711-e5b4-467f-bdf8-012f775f8e61/bin/ukojak-fKGseLULKY/data/0ef47fd04/6c40e4dcc62043cb9beb8f0528f89a97/FLAGf953222f8 [2021-10-13 05:09:41,945 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece63711-e5b4-467f-bdf8-012f775f8e61/bin/ukojak-fKGseLULKY/data/0ef47fd04/6c40e4dcc62043cb9beb8f0528f89a97 [2021-10-13 05:09:41,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 05:09:41,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 05:09:41,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 05:09:41,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 05:09:41,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 05:09:41,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:09:41" (1/1) ... [2021-10-13 05:09:41,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6407093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:09:41, skipping insertion in model container [2021-10-13 05:09:41,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:09:41" (1/1) ... [2021-10-13 05:09:41,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 05:09:42,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 05:09:42,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 05:09:42,223 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 05:09:42,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 05:09:42,307 INFO L208 MainTranslator]: Completed translation [2021-10-13 05:09:42,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:09:42 WrapperNode [2021-10-13 05:09:42,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 05:09:42,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 05:09:42,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 05:09:42,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 05:09:42,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:09:42" (1/1) ... [2021-10-13 05:09:42,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:09:42" (1/1) ... [2021-10-13 05:09:42,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 05:09:42,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 05:09:42,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 05:09:42,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 05:09:42,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:09:42" (1/1) ... [2021-10-13 05:09:42,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:09:42" (1/1) ... [2021-10-13 05:09:42,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:09:42" (1/1) ... [2021-10-13 05:09:42,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:09:42" (1/1) ... [2021-10-13 05:09:42,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:09:42" (1/1) ... [2021-10-13 05:09:42,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:09:42" (1/1) ... [2021-10-13 05:09:42,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:09:42" (1/1) ... [2021-10-13 05:09:42,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 05:09:42,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 05:09:42,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 05:09:42,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 05:09:42,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:09:42" (1/1) ... [2021-10-13 05:09:42,434 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 05:09:42,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece63711-e5b4-467f-bdf8-012f775f8e61/bin/ukojak-fKGseLULKY/z3 [2021-10-13 05:09:42,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece63711-e5b4-467f-bdf8-012f775f8e61/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 05:09:42,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece63711-e5b4-467f-bdf8-012f775f8e61/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 05:09:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 05:09:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 05:09:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 05:09:42,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 05:09:42,746 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 05:09:42,747 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-13 05:09:42,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:09:42 BoogieIcfgContainer [2021-10-13 05:09:42,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 05:09:42,750 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 05:09:42,751 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 05:09:42,761 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 05:09:42,762 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:09:42" (1/1) ... [2021-10-13 05:09:42,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 05:09:42,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:09:42,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2021-10-13 05:09:42,807 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2021-10-13 05:09:42,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-13 05:09:42,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:09:42,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:09:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 05:09:42,914 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 05:09:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 05:09:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 05:09:42,967 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 05:09:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 05:09:42,981 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-10-13 05:09:42,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 05:09:42 ImpRootNode [2021-10-13 05:09:42,999 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 05:09:42,999 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 05:09:43,000 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 05:09:43,000 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 05:09:43,000 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:09:42" (3/4) ... [2021-10-13 05:09:43,002 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 05:09:43,032 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece63711-e5b4-467f-bdf8-012f775f8e61/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 05:09:43,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 05:09:43,034 INFO L168 Benchmark]: Toolchain (without parser) took 1084.16 ms. Allocated memory was 109.1 MB in the beginning and 146.8 MB in the end (delta: 37.7 MB). Free memory was 82.9 MB in the beginning and 118.6 MB in the end (delta: -35.7 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. [2021-10-13 05:09:43,035 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 109.1 MB. Free memory is still 83.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 05:09:43,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.46 ms. Allocated memory is still 109.1 MB. Free memory was 82.6 MB in the beginning and 69.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 05:09:43,036 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.54 ms. Allocated memory is still 109.1 MB. Free memory was 69.0 MB in the beginning and 67.3 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 05:09:43,037 INFO L168 Benchmark]: Boogie Preprocessor took 48.29 ms. Allocated memory is still 109.1 MB. Free memory was 67.3 MB in the beginning and 66.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 05:09:43,037 INFO L168 Benchmark]: RCFGBuilder took 328.42 ms. Allocated memory is still 109.1 MB. Free memory was 66.3 MB in the beginning and 57.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 05:09:43,038 INFO L168 Benchmark]: CodeCheck took 248.37 ms. Allocated memory was 109.1 MB in the beginning and 146.8 MB in the end (delta: 37.7 MB). Free memory was 57.1 MB in the beginning and 120.1 MB in the end (delta: -63.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 05:09:43,039 INFO L168 Benchmark]: Witness Printer took 32.37 ms. Allocated memory is still 146.8 MB. Free memory was 120.1 MB in the beginning and 118.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 05:09:43,043 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, 6 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 199.8ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 2.5ms SsaConstructionTime, 8.5ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 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, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 333]: integer overflow possible integer overflow possible We found a FailurePath: [L332] int x = 2147483647; [L333] ++x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 109.1 MB. Free memory is still 83.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 361.46 ms. Allocated memory is still 109.1 MB. Free memory was 82.6 MB in the beginning and 69.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.54 ms. Allocated memory is still 109.1 MB. Free memory was 69.0 MB in the beginning and 67.3 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.29 ms. Allocated memory is still 109.1 MB. Free memory was 67.3 MB in the beginning and 66.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 328.42 ms. Allocated memory is still 109.1 MB. Free memory was 66.3 MB in the beginning and 57.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 248.37 ms. Allocated memory was 109.1 MB in the beginning and 146.8 MB in the end (delta: 37.7 MB). Free memory was 57.1 MB in the beginning and 120.1 MB in the end (delta: -63.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 32.37 ms. Allocated memory is still 146.8 MB. Free memory was 120.1 MB in the beginning and 118.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 05:09:43,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece63711-e5b4-467f-bdf8-012f775f8e61/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...