./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig2.c --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_87735032-10bb-4702-ba33-e55f44c70dd0/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87735032-10bb-4702-ba33-e55f44c70dd0/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_87735032-10bb-4702-ba33-e55f44c70dd0/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87735032-10bb-4702-ba33-e55f44c70dd0/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87735032-10bb-4702-ba33-e55f44c70dd0/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_87735032-10bb-4702-ba33-e55f44c70dd0/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 5155088d89d02424835a418b2f1dfc7cb44efefa .................................................................................................................................................................................................................................................. 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 04:07:04,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:07:04,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:07:04,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:07:04,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:07:04,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:07:04,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:07:04,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:07:04,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:07:04,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:07:04,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:07:04,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:07:04,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:07:04,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:07:04,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:07:04,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:07:04,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:07:04,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:07:04,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:07:04,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:07:04,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:07:04,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:07:04,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:07:04,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:07:04,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:07:04,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:07:04,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:07:04,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:07:04,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:07:04,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:07:04,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:07:04,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:07:04,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:07:04,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:07:04,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:07:04,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:07:04,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:07:04,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:07:04,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:07:04,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:07:04,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:07:04,117 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87735032-10bb-4702-ba33-e55f44c70dd0/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-13 04:07:04,162 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:07:04,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:07:04,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 04:07:04,171 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 04:07:04,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:07:04,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:07:04,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:07:04,172 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:07:04,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:07:04,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:07:04,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 04:07:04,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:07:04,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 04:07:04,180 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 04:07:04,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 04:07:04,180 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:07:04,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 04:07:04,181 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:07:04,181 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:07:04,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:07:04,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:07:04,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:07:04,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:07:04,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 04:07:04,182 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:07:04,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:07:04,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 04:07:04,182 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_87735032-10bb-4702-ba33-e55f44c70dd0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87735032-10bb-4702-ba33-e55f44c70dd0/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5155088d89d02424835a418b2f1dfc7cb44efefa [2021-10-13 04:07:04,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:07:04,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:07:04,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:07:04,535 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:07:04,536 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:07:04,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87735032-10bb-4702-ba33-e55f44c70dd0/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig2.c [2021-10-13 04:07:04,603 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87735032-10bb-4702-ba33-e55f44c70dd0/bin/ukojak-fKGseLULKY/data/2a301cfc7/4cfda24e530e44c3a18d2212db3f9e75/FLAG6c08b7d46 [2021-10-13 04:07:05,020 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:07:05,021 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87735032-10bb-4702-ba33-e55f44c70dd0/sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig2.c [2021-10-13 04:07:05,026 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87735032-10bb-4702-ba33-e55f44c70dd0/bin/ukojak-fKGseLULKY/data/2a301cfc7/4cfda24e530e44c3a18d2212db3f9e75/FLAG6c08b7d46 [2021-10-13 04:07:05,444 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87735032-10bb-4702-ba33-e55f44c70dd0/bin/ukojak-fKGseLULKY/data/2a301cfc7/4cfda24e530e44c3a18d2212db3f9e75 [2021-10-13 04:07:05,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:07:05,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:07:05,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:07:05,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:07:05,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:07:05,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:07:05" (1/1) ... [2021-10-13 04:07:05,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be75dcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:05, skipping insertion in model container [2021-10-13 04:07:05,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:07:05" (1/1) ... [2021-10-13 04:07:05,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:07:05,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:07:05,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:07:05,639 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:07:05,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:07:05,665 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:07:05,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:05 WrapperNode [2021-10-13 04:07:05,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:07:05,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:07:05,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:07:05,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:07:05,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:05" (1/1) ... [2021-10-13 04:07:05,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:05" (1/1) ... [2021-10-13 04:07:05,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:07:05,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:07:05,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:07:05,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:07:05,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:05" (1/1) ... [2021-10-13 04:07:05,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:05" (1/1) ... [2021-10-13 04:07:05,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:05" (1/1) ... [2021-10-13 04:07:05,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:05" (1/1) ... [2021-10-13 04:07:05,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:05" (1/1) ... [2021-10-13 04:07:05,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:05" (1/1) ... [2021-10-13 04:07:05,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:05" (1/1) ... [2021-10-13 04:07:05,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:07:05,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:07:05,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:07:05,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:07:05,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:05" (1/1) ... [2021-10-13 04:07:05,754 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:07:05,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87735032-10bb-4702-ba33-e55f44c70dd0/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:07:05,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87735032-10bb-4702-ba33-e55f44c70dd0/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:07:05,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87735032-10bb-4702-ba33-e55f44c70dd0/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:07:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:07:05,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:07:06,015 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:07:06,015 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 04:07:06,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:07:06 BoogieIcfgContainer [2021-10-13 04:07:06,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:07:06,019 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:07:06,019 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:07:06,030 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:07:06,030 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:07:06" (1/1) ... [2021-10-13 04:07:06,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:07:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:07:06,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2021-10-13 04:07:06,071 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-10-13 04:07:06,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 04:07:06,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:07:06,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:07:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:07:06,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:07:06,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:07:06,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2021-10-13 04:07:06,277 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2021-10-13 04:07:06,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 04:07:06,277 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:07:06,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:07:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:07:06,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:07:06,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:07:06,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2021-10-13 04:07:06,599 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2021-10-13 04:07:06,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:07:06,602 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:07:06,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:07:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:07:06,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:07:06,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:07:06,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-10-13 04:07:06,873 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-10-13 04:07:06,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:07:06,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:07:06,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:07:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:07:06,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:07:07,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:07:07,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2021-10-13 04:07:07,129 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2021-10-13 04:07:07,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 04:07:07,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:07:07,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:07:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:07:07,163 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:07:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:07:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:07:07,212 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:07:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:07:07,225 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2021-10-13 04:07:07,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:07:07 ImpRootNode [2021-10-13 04:07:07,243 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:07:07,243 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:07:07,243 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:07:07,244 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:07:07,244 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:07:06" (3/4) ... [2021-10-13 04:07:07,246 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 04:07:07,282 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87735032-10bb-4702-ba33-e55f44c70dd0/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:07:07,282 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:07:07,284 INFO L168 Benchmark]: Toolchain (without parser) took 1834.53 ms. Allocated memory is still 100.7 MB. Free memory was 65.6 MB in the beginning and 72.9 MB in the end (delta: -7.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:07:07,285 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 100.7 MB. Free memory is still 81.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:07:07,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 215.80 ms. Allocated memory is still 100.7 MB. Free memory was 65.4 MB in the beginning and 78.7 MB in the end (delta: -13.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:07:07,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.47 ms. Allocated memory is still 100.7 MB. Free memory was 78.7 MB in the beginning and 77.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:07:07,287 INFO L168 Benchmark]: Boogie Preprocessor took 28.69 ms. Allocated memory is still 100.7 MB. Free memory was 77.6 MB in the beginning and 76.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:07:07,288 INFO L168 Benchmark]: RCFGBuilder took 274.39 ms. Allocated memory is still 100.7 MB. Free memory was 76.6 MB in the beginning and 67.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 04:07:07,289 INFO L168 Benchmark]: CodeCheck took 1223.62 ms. Allocated memory is still 100.7 MB. Free memory was 67.5 MB in the beginning and 74.5 MB in the end (delta: -7.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:07:07,290 INFO L168 Benchmark]: Witness Printer took 38.98 ms. Allocated memory is still 100.7 MB. Free memory was 74.5 MB in the beginning and 72.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:07:07,295 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, 16 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1174.9ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 48 SDtfs, 62 SDslu, 116 SDs, 0 SdLazy, 272 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 186.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 654.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 20.1ms SsaConstructionTime, 68.0ms SatisfiabilityAnalysisTime, 198.8ms InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int x = __VERIFIER_nondet_int(); [L13] int y = __VERIFIER_nondet_int(); [L14] COND TRUE x > 0 && y > 0 [L15] int old_x = x; [L16] int old_y = y; [L17] COND FALSE !(__VERIFIER_nondet_int()) [L21] EXPR old_y - 2 [L21] x = old_y - 2 [L22] old_x + 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 100.7 MB. Free memory is still 81.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 215.80 ms. Allocated memory is still 100.7 MB. Free memory was 65.4 MB in the beginning and 78.7 MB in the end (delta: -13.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.47 ms. Allocated memory is still 100.7 MB. Free memory was 78.7 MB in the beginning and 77.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.69 ms. Allocated memory is still 100.7 MB. Free memory was 77.6 MB in the beginning and 76.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 274.39 ms. Allocated memory is still 100.7 MB. Free memory was 76.6 MB in the beginning and 67.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 1223.62 ms. Allocated memory is still 100.7 MB. Free memory was 67.5 MB in the beginning and 74.5 MB in the end (delta: -7.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 38.98 ms. Allocated memory is still 100.7 MB. Free memory was 74.5 MB in the beginning and 72.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 04:07:07,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87735032-10bb-4702-ba33-e55f44c70dd0/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...