./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.04.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7f87685-af49-4033-8e88-8ef0b3ed41ee/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7f87685-af49-4033-8e88-8ef0b3ed41ee/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7f87685-af49-4033-8e88-8ef0b3ed41ee/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7f87685-af49-4033-8e88-8ef0b3ed41ee/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7f87685-af49-4033-8e88-8ef0b3ed41ee/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7f87685-af49-4033-8e88-8ef0b3ed41ee/bin/ukojak-Rh5K9KB4LI --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 a5b85953a66eab1226d3d603377a1d8dc97a5642c3836ceffbc35c9a4b84779a .............................................................................................................................................................................................................. 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-b2eff8b [2021-10-29 04:07:12,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:07:12,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:07:12,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:07:12,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:07:12,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:07:12,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:07:12,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:07:12,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:07:12,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:07:12,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:07:12,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:07:12,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:07:12,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:07:12,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:07:12,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:07:12,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:07:12,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:07:12,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:07:12,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:07:12,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:07:12,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:07:12,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:07:12,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:07:12,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:07:12,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:07:12,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:07:12,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:07:12,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:07:12,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:07:12,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:07:12,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:07:12,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:07:12,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:07:12,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:07:12,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:07:12,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:07:12,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:07:12,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:07:12,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:07:12,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:07:12,135 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7f87685-af49-4033-8e88-8ef0b3ed41ee/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-29 04:07:12,163 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:07:12,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:07:12,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:07:12,164 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:07:12,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:07:12,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:07:12,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:07:12,166 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:07:12,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:07:12,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:07:12,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:07:12,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:07:12,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:07:12,167 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 04:07:12,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:07:12,167 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:07:12,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:07:12,168 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:07:12,168 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:07:12,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:07:12,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:07:12,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:07:12,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:07:12,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:07:12,169 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:07:12,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:07:12,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:07:12,170 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_e7f87685-af49-4033-8e88-8ef0b3ed41ee/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7f87685-af49-4033-8e88-8ef0b3ed41ee/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5b85953a66eab1226d3d603377a1d8dc97a5642c3836ceffbc35c9a4b84779a [2021-10-29 04:07:12,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:07:12,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:07:12,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:07:12,493 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:07:12,494 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:07:12,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7f87685-af49-4033-8e88-8ef0b3ed41ee/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.04.c [2021-10-29 04:07:12,609 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7f87685-af49-4033-8e88-8ef0b3ed41ee/bin/ukojak-Rh5K9KB4LI/data/7ce914bbc/2797712a4ee34647930772aabb7e9cce/FLAGa70ea1620 [2021-10-29 04:07:13,200 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:07:13,200 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7f87685-af49-4033-8e88-8ef0b3ed41ee/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.04.c [2021-10-29 04:07:13,207 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7f87685-af49-4033-8e88-8ef0b3ed41ee/bin/ukojak-Rh5K9KB4LI/data/7ce914bbc/2797712a4ee34647930772aabb7e9cce/FLAGa70ea1620 [2021-10-29 04:07:13,620 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7f87685-af49-4033-8e88-8ef0b3ed41ee/bin/ukojak-Rh5K9KB4LI/data/7ce914bbc/2797712a4ee34647930772aabb7e9cce [2021-10-29 04:07:13,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:07:13,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:07:13,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:07:13,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:07:13,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:07:13,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:07:13" (1/1) ... [2021-10-29 04:07:13,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43fbdd77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:13, skipping insertion in model container [2021-10-29 04:07:13,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:07:13" (1/1) ... [2021-10-29 04:07:13,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:07:13,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:07:13,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:07:13,817 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:07:13,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:07:13,856 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:07:13,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:13 WrapperNode [2021-10-29 04:07:13,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:07:13,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:07:13,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:07:13,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:07:13,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:13" (1/1) ... [2021-10-29 04:07:13,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:13" (1/1) ... [2021-10-29 04:07:13,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:07:13,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:07:13,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:07:13,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:07:13,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:13" (1/1) ... [2021-10-29 04:07:13,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:13" (1/1) ... [2021-10-29 04:07:13,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:13" (1/1) ... [2021-10-29 04:07:13,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:13" (1/1) ... [2021-10-29 04:07:13,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:13" (1/1) ... [2021-10-29 04:07:13,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:13" (1/1) ... [2021-10-29 04:07:13,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:13" (1/1) ... [2021-10-29 04:07:13,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:07:13,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:07:13,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:07:13,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:07:13,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:13" (1/1) ... [2021-10-29 04:07:13,915 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:07:13,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7f87685-af49-4033-8e88-8ef0b3ed41ee/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:07:13,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7f87685-af49-4033-8e88-8ef0b3ed41ee/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:07:13,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7f87685-af49-4033-8e88-8ef0b3ed41ee/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:07:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:07:14,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:07:14,227 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:07:14,227 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 04:07:14,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:07:14 BoogieIcfgContainer [2021-10-29 04:07:14,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:07:14,232 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:07:14,232 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:07:14,245 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:07:14,245 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:07:14" (1/1) ... [2021-10-29 04:07:14,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:07:14,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:14,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2021-10-29 04:07:14,346 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-10-29 04:07:14,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 04:07:14,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:14,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:07:14,445 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:07:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:07:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:07:14,503 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:07:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:07:14,519 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-10-29 04:07:14,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:07:14 ImpRootNode [2021-10-29 04:07:14,537 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:07:14,538 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:07:14,538 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:07:14,538 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:07:14,539 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:07:14" (3/4) ... [2021-10-29 04:07:14,542 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 04:07:14,581 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7f87685-af49-4033-8e88-8ef0b3ed41ee/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:07:14,581 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:07:14,584 INFO L168 Benchmark]: Toolchain (without parser) took 958.15 ms. Allocated memory was 100.7 MB in the beginning and 136.3 MB in the end (delta: 35.7 MB). Free memory was 67.7 MB in the beginning and 91.9 MB in the end (delta: -24.2 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:07:14,586 INFO L168 Benchmark]: CDTParser took 1.63 ms. Allocated memory is still 100.7 MB. Free memory is still 56.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:07:14,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.59 ms. Allocated memory was 100.7 MB in the beginning and 136.3 MB in the end (delta: 35.7 MB). Free memory was 67.5 MB in the beginning and 113.4 MB in the end (delta: -45.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:07:14,591 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.08 ms. Allocated memory is still 136.3 MB. Free memory was 113.4 MB in the beginning and 112.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:07:14,593 INFO L168 Benchmark]: Boogie Preprocessor took 18.24 ms. Allocated memory is still 136.3 MB. Free memory was 112.2 MB in the beginning and 111.3 MB in the end (delta: 903.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:07:14,594 INFO L168 Benchmark]: RCFGBuilder took 327.41 ms. Allocated memory is still 136.3 MB. Free memory was 110.7 MB in the beginning and 102.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:07:14,596 INFO L168 Benchmark]: CodeCheck took 305.31 ms. Allocated memory is still 136.3 MB. Free memory was 101.8 MB in the beginning and 93.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:07:14,598 INFO L168 Benchmark]: Witness Printer took 43.71 ms. Allocated memory is still 136.3 MB. Free memory was 93.4 MB in the beginning and 91.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:07:14,604 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, 20 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, 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, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 27]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y, z; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] z = __VERIFIER_nondet_int() [L27] x + y * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.63 ms. Allocated memory is still 100.7 MB. Free memory is still 56.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 230.59 ms. Allocated memory was 100.7 MB in the beginning and 136.3 MB in the end (delta: 35.7 MB). Free memory was 67.5 MB in the beginning and 113.4 MB in the end (delta: -45.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 26.08 ms. Allocated memory is still 136.3 MB. Free memory was 113.4 MB in the beginning and 112.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.24 ms. Allocated memory is still 136.3 MB. Free memory was 112.2 MB in the beginning and 111.3 MB in the end (delta: 903.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 327.41 ms. Allocated memory is still 136.3 MB. Free memory was 110.7 MB in the beginning and 102.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 305.31 ms. Allocated memory is still 136.3 MB. Free memory was 101.8 MB in the beginning and 93.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 43.71 ms. Allocated memory is still 136.3 MB. Free memory was 93.4 MB in the beginning and 91.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 04:07:14,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7f87685-af49-4033-8e88-8ef0b3ed41ee/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...