./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd71b78-ba47-42d4-aae3-e412a18b23cf/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd71b78-ba47-42d4-aae3-e412a18b23cf/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd71b78-ba47-42d4-aae3-e412a18b23cf/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd71b78-ba47-42d4-aae3-e412a18b23cf/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd71b78-ba47-42d4-aae3-e412a18b23cf/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd71b78-ba47-42d4-aae3-e412a18b23cf/bin/ukojak-pZX7IvK2PQ --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 db1891a9bd072b88011322f279db8b4a1824beee21553f836baa305cd6d07cfb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:07:28,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:07:28,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:07:28,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:07:28,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:07:28,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:07:28,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:07:28,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:07:28,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:07:28,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:07:28,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:07:28,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:07:28,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:07:28,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:07:28,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:07:28,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:07:28,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:07:28,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:07:28,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:07:28,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:07:28,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:07:28,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:07:28,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:07:28,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:07:28,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:07:28,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:07:28,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:07:28,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:07:28,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:07:28,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:07:28,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:07:28,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:07:28,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:07:28,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:07:28,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:07:28,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:07:28,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:07:28,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:07:28,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:07:28,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:07:28,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:07:28,222 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd71b78-ba47-42d4-aae3-e412a18b23cf/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:07:28,251 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:07:28,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:07:28,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:07:28,253 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:07:28,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:07:28,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:07:28,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:07:28,254 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:07:28,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:07:28,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:07:28,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:07:28,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:07:28,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:07:28,256 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:07:28,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:07:28,256 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:07:28,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:07:28,257 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:07:28,257 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:07:28,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:07:28,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:07:28,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:07:28,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:07:28,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:07:28,258 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:07:28,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:07:28,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:07:28,259 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_fdd71b78-ba47-42d4-aae3-e412a18b23cf/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd71b78-ba47-42d4-aae3-e412a18b23cf/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db1891a9bd072b88011322f279db8b4a1824beee21553f836baa305cd6d07cfb [2022-11-20 18:07:28,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:07:28,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:07:28,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:07:28,636 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:07:28,637 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:07:28,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd71b78-ba47-42d4-aae3-e412a18b23cf/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron4.c [2022-11-20 18:07:32,233 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:07:32,513 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:07:32,514 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd71b78-ba47-42d4-aae3-e412a18b23cf/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron4.c [2022-11-20 18:07:32,522 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd71b78-ba47-42d4-aae3-e412a18b23cf/bin/ukojak-pZX7IvK2PQ/data/5be4a9331/1f22f0144d644d688e4b4ff26e975d98/FLAGdfa3137d4 [2022-11-20 18:07:32,541 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd71b78-ba47-42d4-aae3-e412a18b23cf/bin/ukojak-pZX7IvK2PQ/data/5be4a9331/1f22f0144d644d688e4b4ff26e975d98 [2022-11-20 18:07:32,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:07:32,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:07:32,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:07:32,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:07:32,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:07:32,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:07:32" (1/1) ... [2022-11-20 18:07:32,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d7f350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:32, skipping insertion in model container [2022-11-20 18:07:32,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:07:32" (1/1) ... [2022-11-20 18:07:32,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:07:32,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:07:32,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:07:32,822 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:07:32,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:07:32,859 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:07:32,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:32 WrapperNode [2022-11-20 18:07:32,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:07:32,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:07:32,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:07:32,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:07:32,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:32" (1/1) ... [2022-11-20 18:07:32,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:32" (1/1) ... [2022-11-20 18:07:32,897 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 66 [2022-11-20 18:07:32,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:07:32,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:07:32,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:07:32,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:07:32,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:32" (1/1) ... [2022-11-20 18:07:32,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:32" (1/1) ... [2022-11-20 18:07:32,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:32" (1/1) ... [2022-11-20 18:07:32,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:32" (1/1) ... [2022-11-20 18:07:32,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:32" (1/1) ... [2022-11-20 18:07:32,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:32" (1/1) ... [2022-11-20 18:07:32,922 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:32" (1/1) ... [2022-11-20 18:07:32,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:32" (1/1) ... [2022-11-20 18:07:32,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:07:32,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:07:32,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:07:32,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:07:32,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:32" (1/1) ... [2022-11-20 18:07:32,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:07:32,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd71b78-ba47-42d4-aae3-e412a18b23cf/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:07:32,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd71b78-ba47-42d4-aae3-e412a18b23cf/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:07:32,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd71b78-ba47-42d4-aae3-e412a18b23cf/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:07:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:07:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:07:33,116 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:07:33,119 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:07:33,415 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:07:33,433 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:07:33,434 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 18:07:33,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:07:33 BoogieIcfgContainer [2022-11-20 18:07:33,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:07:33,439 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:07:33,439 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:07:33,451 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:07:33,451 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:07:33" (1/1) ... [2022-11-20 18:07:33,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:07:33,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:33,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2022-11-20 18:07:33,527 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-11-20 18:07:33,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:07:33,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:33,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:07:33,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:07:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:07:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:07:33,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:07:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:07:33,705 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-11-20 18:07:33,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:07:33 ImpRootNode [2022-11-20 18:07:33,734 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:07:33,734 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:07:33,735 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:07:33,735 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:07:33,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:07:33" (3/4) ... [2022-11-20 18:07:33,738 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 18:07:33,780 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd71b78-ba47-42d4-aae3-e412a18b23cf/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:07:33,780 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:07:33,781 INFO L158 Benchmark]: Toolchain (without parser) took 1235.01ms. Allocated memory is still 176.2MB. Free memory was 142.3MB in the beginning and 105.2MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-20 18:07:33,782 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 176.2MB. Free memory was 147.3MB in the beginning and 147.1MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:07:33,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.35ms. Allocated memory is still 176.2MB. Free memory was 142.0MB in the beginning and 132.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:07:33,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.79ms. Allocated memory is still 176.2MB. Free memory was 132.5MB in the beginning and 130.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:07:33,785 INFO L158 Benchmark]: Boogie Preprocessor took 26.61ms. Allocated memory is still 176.2MB. Free memory was 130.9MB in the beginning and 129.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:07:33,785 INFO L158 Benchmark]: RCFGBuilder took 511.01ms. Allocated memory is still 176.2MB. Free memory was 129.8MB in the beginning and 117.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:07:33,786 INFO L158 Benchmark]: CodeCheck took 294.99ms. Allocated memory is still 176.2MB. Free memory was 117.8MB in the beginning and 106.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:07:33,787 INFO L158 Benchmark]: Witness Printer took 46.00ms. Allocated memory is still 176.2MB. Free memory was 106.8MB in the beginning and 105.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:07:33,791 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, 30 locations, 10 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, 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, 4 NumberOfCodeBlocks, 4 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: 21]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int i, j, k, an, bn, tk; [L15] i = __VERIFIER_nondet_int() [L16] j = __VERIFIER_nondet_int() [L17] k = __VERIFIER_nondet_int() [L18] an = __VERIFIER_nondet_int() [L19] bn = __VERIFIER_nondet_int() [L20] tk = __VERIFIER_nondet_int() [L21] ((an >= i && bn >= j) || (an >= i && bn <= j) || (an <= i && bn >= j)) && k >= tk + 1 VAL [((an >= i && bn >= j) || (an >= i && bn <= j) || (an <= i && bn >= j)) && k >= tk + 1=1, an=0, bn=0, i=0, j=0, k=2147483647, k=0] [L21] tk + 1 VAL [((an >= i && bn >= j) || (an >= i && bn <= j) || (an <= i && bn >= j)) && k >= tk + 1=1, an=0, bn=0, i=0, j=0, k=0, k=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 176.2MB. Free memory was 147.3MB in the beginning and 147.1MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.35ms. Allocated memory is still 176.2MB. Free memory was 142.0MB in the beginning and 132.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.79ms. Allocated memory is still 176.2MB. Free memory was 132.5MB in the beginning and 130.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.61ms. Allocated memory is still 176.2MB. Free memory was 130.9MB in the beginning and 129.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 511.01ms. Allocated memory is still 176.2MB. Free memory was 129.8MB in the beginning and 117.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 294.99ms. Allocated memory is still 176.2MB. Free memory was 117.8MB in the beginning and 106.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 46.00ms. Allocated memory is still 176.2MB. Free memory was 106.8MB in the beginning and 105.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 18:07:33,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd71b78-ba47-42d4-aae3-e412a18b23cf/bin/ukojak-pZX7IvK2PQ/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)