./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.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_3ad21ca0-05fd-4573-8420-1dc3a848f9b0/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad21ca0-05fd-4573-8420-1dc3a848f9b0/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_3ad21ca0-05fd-4573-8420-1dc3a848f9b0/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad21ca0-05fd-4573-8420-1dc3a848f9b0/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad21ca0-05fd-4573-8420-1dc3a848f9b0/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_3ad21ca0-05fd-4573-8420-1dc3a848f9b0/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 53d499bdc434a02195836153e775e269a2cf419a7e6607f1c0b4e200b110c82e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:40:25,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:40:25,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:40:25,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:40:25,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:40:25,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:40:25,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:40:25,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:40:25,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:40:25,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:40:25,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:40:25,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:40:25,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:40:25,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:40:25,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:40:25,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:40:25,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:40:25,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:40:25,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:40:25,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:40:25,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:40:25,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:40:25,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:40:25,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:40:25,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:40:25,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:40:25,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:40:25,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:40:25,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:40:25,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:40:25,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:40:25,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:40:25,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:40:25,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:40:25,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:40:25,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:40:25,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:40:25,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:40:25,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:40:25,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:40:25,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:40:25,120 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad21ca0-05fd-4573-8420-1dc3a848f9b0/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-23 00:40:25,148 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:40:25,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:40:25,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:40:25,150 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:40:25,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:40:25,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:40:25,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:40:25,151 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:40:25,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:40:25,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:40:25,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:40:25,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:40:25,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:40:25,153 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 00:40:25,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:40:25,154 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:40:25,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:40:25,154 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:40:25,154 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:40:25,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:40:25,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:40:25,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:40:25,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:40:25,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:40:25,156 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:40:25,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:40:25,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:40:25,157 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_3ad21ca0-05fd-4573-8420-1dc3a848f9b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad21ca0-05fd-4573-8420-1dc3a848f9b0/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53d499bdc434a02195836153e775e269a2cf419a7e6607f1c0b4e200b110c82e [2021-11-23 00:40:25,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:40:25,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:40:25,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:40:25,447 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:40:25,448 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:40:25,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad21ca0-05fd-4573-8420-1dc3a848f9b0/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.c [2021-11-23 00:40:25,514 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad21ca0-05fd-4573-8420-1dc3a848f9b0/bin/ukojak-LBtLqBUTdQ/data/464c60d25/0783d4bb2eea40ec8f7676f463cdafcf/FLAG82e50cbc1 [2021-11-23 00:40:25,954 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:40:25,954 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad21ca0-05fd-4573-8420-1dc3a848f9b0/sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.c [2021-11-23 00:40:25,973 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad21ca0-05fd-4573-8420-1dc3a848f9b0/bin/ukojak-LBtLqBUTdQ/data/464c60d25/0783d4bb2eea40ec8f7676f463cdafcf/FLAG82e50cbc1 [2021-11-23 00:40:26,375 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad21ca0-05fd-4573-8420-1dc3a848f9b0/bin/ukojak-LBtLqBUTdQ/data/464c60d25/0783d4bb2eea40ec8f7676f463cdafcf [2021-11-23 00:40:26,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:40:26,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:40:26,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:40:26,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:40:26,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:40:26,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:40:26" (1/1) ... [2021-11-23 00:40:26,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166bedc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:26, skipping insertion in model container [2021-11-23 00:40:26,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:40:26" (1/1) ... [2021-11-23 00:40:26,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:40:26,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:40:26,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:40:26,570 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:40:26,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:40:26,592 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:40:26,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:26 WrapperNode [2021-11-23 00:40:26,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:40:26,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:40:26,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:40:26,595 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:40:26,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:26" (1/1) ... [2021-11-23 00:40:26,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:26" (1/1) ... [2021-11-23 00:40:26,629 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2021-11-23 00:40:26,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:40:26,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:40:26,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:40:26,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:40:26,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:26" (1/1) ... [2021-11-23 00:40:26,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:26" (1/1) ... [2021-11-23 00:40:26,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:26" (1/1) ... [2021-11-23 00:40:26,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:26" (1/1) ... [2021-11-23 00:40:26,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:26" (1/1) ... [2021-11-23 00:40:26,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:26" (1/1) ... [2021-11-23 00:40:26,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:26" (1/1) ... [2021-11-23 00:40:26,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:40:26,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:40:26,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:40:26,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:40:26,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:26" (1/1) ... [2021-11-23 00:40:26,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:40:26,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad21ca0-05fd-4573-8420-1dc3a848f9b0/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:40:26,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad21ca0-05fd-4573-8420-1dc3a848f9b0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:40:26,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad21ca0-05fd-4573-8420-1dc3a848f9b0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:40:26,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:40:26,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:40:26,775 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:40:26,777 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:40:26,848 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:40:26,870 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:40:26,870 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:40:26,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:40:26 BoogieIcfgContainer [2021-11-23 00:40:26,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:40:26,874 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:40:26,874 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:40:26,882 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:40:26,882 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:40:26" (1/1) ... [2021-11-23 00:40:26,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:40:26,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:26,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-11-23 00:40:26,949 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-11-23 00:40:26,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:40:26,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:26,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:27,074 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 00:40:27,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:27,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2021-11-23 00:40:27,107 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2021-11-23 00:40:27,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:40:27,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:27,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:27,166 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 00:40:27,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:27,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2021-11-23 00:40:27,270 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-11-23 00:40:27,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:40:27,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:27,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:27,308 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 00:40:27,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:27,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-23 00:40:27,630 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-23 00:40:27,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:40:27,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:27,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:40:27,667 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:40:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:40:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:40:27,719 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:40:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:40:27,737 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2021-11-23 00:40:27,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:40:27 ImpRootNode [2021-11-23 00:40:27,773 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:40:27,775 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:40:27,775 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:40:27,776 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:40:27,776 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:40:26" (3/4) ... [2021-11-23 00:40:27,778 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 00:40:27,828 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad21ca0-05fd-4573-8420-1dc3a848f9b0/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:40:27,828 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:40:27,832 INFO L158 Benchmark]: Toolchain (without parser) took 1448.82ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 62.7MB in the beginning and 76.2MB in the end (delta: -13.5MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2021-11-23 00:40:27,834 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:40:27,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.59ms. Allocated memory is still 83.9MB. Free memory was 62.3MB in the beginning and 61.1MB in the end (delta: 1.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:40:27,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.73ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 59.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:40:27,837 INFO L158 Benchmark]: Boogie Preprocessor took 31.72ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 58.8MB in the end (delta: 996.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:40:27,838 INFO L158 Benchmark]: RCFGBuilder took 209.83ms. Allocated memory is still 83.9MB. Free memory was 58.8MB in the beginning and 49.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:40:27,839 INFO L158 Benchmark]: CodeCheck took 899.72ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 49.9MB in the beginning and 77.7MB in the end (delta: -27.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:40:27,840 INFO L158 Benchmark]: Witness Printer took 53.90ms. Allocated memory is still 107.0MB. Free memory was 77.7MB in the beginning and 76.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:40:27,846 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, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, 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, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 6 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 31 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int k, i, j, tmp; [L16] k = __VERIFIER_nondet_int() [L17] i = __VERIFIER_nondet_int() [L18] j = __VERIFIER_nondet_int() [L19] COND TRUE i <= 100 && j <= k [L20] tmp = i [L21] i = j VAL [i=-2147483648, j=-2147483648, k=-2147483648, tmp=0] [L22] EXPR tmp + 1 [L22] j = tmp + 1 VAL [i=-2147483648, j=1, k=-2147483648, tmp=0] [L23] k - 1 VAL [i=-2147483648, j=1, k=-2147483648, tmp=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.59ms. Allocated memory is still 83.9MB. Free memory was 62.3MB in the beginning and 61.1MB in the end (delta: 1.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.73ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 59.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.72ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 58.8MB in the end (delta: 996.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 209.83ms. Allocated memory is still 83.9MB. Free memory was 58.8MB in the beginning and 49.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 899.72ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 49.9MB in the beginning and 77.7MB in the end (delta: -27.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 53.90ms. Allocated memory is still 107.0MB. Free memory was 77.7MB in the beginning and 76.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 00:40:27,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad21ca0-05fd-4573-8420-1dc3a848f9b0/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)