./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/Et1_true.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_e8150995-8f45-4da9-8b67-d6ed31ee1d8e/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8150995-8f45-4da9-8b67-d6ed31ee1d8e/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_e8150995-8f45-4da9-8b67-d6ed31ee1d8e/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8150995-8f45-4da9-8b67-d6ed31ee1d8e/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/Et1_true.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8150995-8f45-4da9-8b67-d6ed31ee1d8e/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_e8150995-8f45-4da9-8b67-d6ed31ee1d8e/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 12a23acd81bac6be96fab6b12e781f8cdea13b9704294dc24053fce5ee3c8327 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:11:03,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:11:03,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:11:04,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:11:04,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:11:04,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:11:04,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:11:04,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:11:04,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:11:04,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:11:04,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:11:04,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:11:04,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:11:04,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:11:04,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:11:04,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:11:04,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:11:04,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:11:04,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:11:04,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:11:04,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:11:04,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:11:04,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:11:04,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:11:04,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:11:04,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:11:04,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:11:04,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:11:04,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:11:04,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:11:04,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:11:04,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:11:04,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:11:04,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:11:04,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:11:04,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:11:04,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:11:04,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:11:04,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:11:04,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:11:04,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:11:04,077 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8150995-8f45-4da9-8b67-d6ed31ee1d8e/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-23 01:11:04,102 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:11:04,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:11:04,103 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:11:04,103 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:11:04,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:11:04,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:11:04,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:11:04,105 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:11:04,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:11:04,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:11:04,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:11:04,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:11:04,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:11:04,106 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 01:11:04,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:11:04,107 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:11:04,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:11:04,107 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:11:04,107 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:11:04,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:11:04,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:11:04,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:11:04,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:11:04,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:11:04,109 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:11:04,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:11:04,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:11:04,109 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_e8150995-8f45-4da9-8b67-d6ed31ee1d8e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8150995-8f45-4da9-8b67-d6ed31ee1d8e/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12a23acd81bac6be96fab6b12e781f8cdea13b9704294dc24053fce5ee3c8327 [2021-11-23 01:11:04,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:11:04,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:11:04,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:11:04,502 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:11:04,503 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:11:04,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8150995-8f45-4da9-8b67-d6ed31ee1d8e/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/termination-numeric/Et1_true.c [2021-11-23 01:11:04,578 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8150995-8f45-4da9-8b67-d6ed31ee1d8e/bin/ukojak-LBtLqBUTdQ/data/6934675b0/9d4846ac456d484b9b7c2a2905781e09/FLAGb3ecf4901 [2021-11-23 01:11:05,179 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:11:05,181 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8150995-8f45-4da9-8b67-d6ed31ee1d8e/sv-benchmarks/c/termination-numeric/Et1_true.c [2021-11-23 01:11:05,194 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8150995-8f45-4da9-8b67-d6ed31ee1d8e/bin/ukojak-LBtLqBUTdQ/data/6934675b0/9d4846ac456d484b9b7c2a2905781e09/FLAGb3ecf4901 [2021-11-23 01:11:05,536 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8150995-8f45-4da9-8b67-d6ed31ee1d8e/bin/ukojak-LBtLqBUTdQ/data/6934675b0/9d4846ac456d484b9b7c2a2905781e09 [2021-11-23 01:11:05,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:11:05,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:11:05,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:11:05,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:11:05,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:11:05,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:11:05" (1/1) ... [2021-11-23 01:11:05,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c18c50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:05, skipping insertion in model container [2021-11-23 01:11:05,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:11:05" (1/1) ... [2021-11-23 01:11:05,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:11:05,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:11:05,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:11:05,862 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:11:05,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:11:05,892 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:11:05,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:05 WrapperNode [2021-11-23 01:11:05,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:11:05,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:11:05,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:11:05,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:11:05,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:05" (1/1) ... [2021-11-23 01:11:05,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:05" (1/1) ... [2021-11-23 01:11:05,930 INFO L137 Inliner]: procedures = 6, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2021-11-23 01:11:05,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:11:05,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:11:05,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:11:05,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:11:05,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:05" (1/1) ... [2021-11-23 01:11:05,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:05" (1/1) ... [2021-11-23 01:11:05,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:05" (1/1) ... [2021-11-23 01:11:05,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:05" (1/1) ... [2021-11-23 01:11:05,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:05" (1/1) ... [2021-11-23 01:11:05,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:05" (1/1) ... [2021-11-23 01:11:05,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:05" (1/1) ... [2021-11-23 01:11:05,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:11:05,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:11:05,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:11:05,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:11:05,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:05" (1/1) ... [2021-11-23 01:11:05,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:11:05,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8150995-8f45-4da9-8b67-d6ed31ee1d8e/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:11:05,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8150995-8f45-4da9-8b67-d6ed31ee1d8e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:11:06,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8150995-8f45-4da9-8b67-d6ed31ee1d8e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:11:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-11-23 01:11:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure random [2021-11-23 01:11:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure loop [2021-11-23 01:11:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure loop [2021-11-23 01:11:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:11:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:11:06,098 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:11:06,101 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:11:06,318 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:11:06,331 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:11:06,332 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:11:06,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:11:06 BoogieIcfgContainer [2021-11-23 01:11:06,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:11:06,352 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:11:06,352 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:11:06,365 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:11:06,365 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:11:06" (1/1) ... [2021-11-23 01:11:06,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:11:06,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:06,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2021-11-23 01:11:06,490 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2021-11-23 01:11:06,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:11:06,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:06,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:11:06,598 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:11:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:11:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:11:06,682 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:11:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:11:06,700 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-23 01:11:06,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:11:06 ImpRootNode [2021-11-23 01:11:06,730 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:11:06,733 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:11:06,734 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:11:06,734 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:11:06,734 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:11:06" (3/4) ... [2021-11-23 01:11:06,736 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:11:06,784 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8150995-8f45-4da9-8b67-d6ed31ee1d8e/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:11:06,784 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:11:06,785 INFO L158 Benchmark]: Toolchain (without parser) took 1243.48ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 47.9MB in the beginning and 68.4MB in the end (delta: -20.5MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-23 01:11:06,786 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 86.0MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:11:06,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.49ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 47.8MB in the beginning and 92.2MB in the end (delta: -44.4MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-23 01:11:06,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.93ms. Allocated memory is still 115.3MB. Free memory was 92.2MB in the beginning and 90.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:11:06,789 INFO L158 Benchmark]: Boogie Preprocessor took 17.54ms. Allocated memory is still 115.3MB. Free memory was 90.9MB in the beginning and 90.1MB in the end (delta: 878.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:11:06,792 INFO L158 Benchmark]: RCFGBuilder took 399.21ms. Allocated memory is still 115.3MB. Free memory was 90.1MB in the beginning and 79.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:11:06,793 INFO L158 Benchmark]: CodeCheck took 378.56ms. Allocated memory is still 115.3MB. Free memory was 79.9MB in the beginning and 70.0MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:11:06,796 INFO L158 Benchmark]: Witness Printer took 50.90ms. Allocated memory is still 115.3MB. Free memory was 70.0MB in the beginning and 68.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:11:06,801 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, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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: 31]: integer overflow possible integer overflow possible We found a FailurePath: [L21] int x = __VERIFIER_nondet_int(); [L22] int y = __VERIFIER_nondet_int(); [L23] int z = __VERIFIER_nondet_int(); [L24] CALL random() [L29] int x = __VERIFIER_nondet_int(); [L30] COND TRUE x < 0 VAL [x=-2147483648] [L31] -x VAL [x=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 86.0MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.49ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 47.8MB in the beginning and 92.2MB in the end (delta: -44.4MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.93ms. Allocated memory is still 115.3MB. Free memory was 92.2MB in the beginning and 90.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.54ms. Allocated memory is still 115.3MB. Free memory was 90.9MB in the beginning and 90.1MB in the end (delta: 878.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 399.21ms. Allocated memory is still 115.3MB. Free memory was 90.1MB in the beginning and 79.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 378.56ms. Allocated memory is still 115.3MB. Free memory was 79.9MB in the beginning and 70.0MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 50.90ms. Allocated memory is still 115.3MB. Free memory was 70.0MB in the beginning and 68.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 01:11:06,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8150995-8f45-4da9-8b67-d6ed31ee1d8e/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)