./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c57c417-1f1b-463a-a635-adb15184e56e/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c57c417-1f1b-463a-a635-adb15184e56e/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_4c57c417-1f1b-463a-a635-adb15184e56e/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c57c417-1f1b-463a-a635-adb15184e56e/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c57c417-1f1b-463a-a635-adb15184e56e/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_4c57c417-1f1b-463a-a635-adb15184e56e/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 f77ac7021b9516a822c02fb2f9337d0a1ab6f10aeb906e4a3e0cf008997a431e --- 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 17:21:09,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:21:09,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:21:10,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:21:10,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:21:10,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:21:10,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:21:10,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:21:10,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:21:10,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:21:10,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:21:10,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:21:10,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:21:10,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:21:10,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:21:10,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:21:10,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:21:10,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:21:10,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:21:10,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:21:10,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:21:10,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:21:10,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:21:10,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:21:10,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:21:10,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:21:10,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:21:10,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:21:10,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:21:10,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:21:10,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:21:10,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:21:10,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:21:10,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:21:10,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:21:10,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:21:10,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:21:10,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:21:10,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:21:10,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:21:10,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:21:10,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c57c417-1f1b-463a-a635-adb15184e56e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:21:10,142 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:21:10,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:21:10,144 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:21:10,144 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:21:10,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:21:10,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:21:10,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:21:10,146 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:21:10,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:21:10,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:21:10,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:21:10,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:21:10,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:21:10,148 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:21:10,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:21:10,148 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:21:10,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:21:10,149 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:21:10,149 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:21:10,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:21:10,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:21:10,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:21:10,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:21:10,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:21:10,150 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:21:10,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:21:10,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:21:10,151 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_4c57c417-1f1b-463a-a635-adb15184e56e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c57c417-1f1b-463a-a635-adb15184e56e/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f77ac7021b9516a822c02fb2f9337d0a1ab6f10aeb906e4a3e0cf008997a431e [2022-11-20 17:21:10,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:21:10,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:21:10,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:21:10,517 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:21:10,517 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:21:10,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c57c417-1f1b-463a-a635-adb15184e56e/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c [2022-11-20 17:21:13,638 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:21:13,914 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:21:13,915 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c57c417-1f1b-463a-a635-adb15184e56e/sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c [2022-11-20 17:21:13,921 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c57c417-1f1b-463a-a635-adb15184e56e/bin/ukojak-pZX7IvK2PQ/data/fca1e3e20/6fe84de7e3a24cc7bdbf1e3e502cff52/FLAG42f031c41 [2022-11-20 17:21:13,943 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c57c417-1f1b-463a-a635-adb15184e56e/bin/ukojak-pZX7IvK2PQ/data/fca1e3e20/6fe84de7e3a24cc7bdbf1e3e502cff52 [2022-11-20 17:21:13,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:21:13,951 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:21:13,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:21:13,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:21:13,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:21:13,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:21:13" (1/1) ... [2022-11-20 17:21:13,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b85c027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:13, skipping insertion in model container [2022-11-20 17:21:13,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:21:13" (1/1) ... [2022-11-20 17:21:13,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:21:13,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:21:14,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:21:14,167 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:21:14,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:21:14,196 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:21:14,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:14 WrapperNode [2022-11-20 17:21:14,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:21:14,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:21:14,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:21:14,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:21:14,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:14" (1/1) ... [2022-11-20 17:21:14,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:14" (1/1) ... [2022-11-20 17:21:14,227 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2022-11-20 17:21:14,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:21:14,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:21:14,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:21:14,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:21:14,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:14" (1/1) ... [2022-11-20 17:21:14,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:14" (1/1) ... [2022-11-20 17:21:14,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:14" (1/1) ... [2022-11-20 17:21:14,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:14" (1/1) ... [2022-11-20 17:21:14,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:14" (1/1) ... [2022-11-20 17:21:14,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:14" (1/1) ... [2022-11-20 17:21:14,254 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:14" (1/1) ... [2022-11-20 17:21:14,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:14" (1/1) ... [2022-11-20 17:21:14,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:21:14,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:21:14,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:21:14,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:21:14,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:21:14" (1/1) ... [2022-11-20 17:21:14,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:21:14,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c57c417-1f1b-463a-a635-adb15184e56e/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:21:14,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c57c417-1f1b-463a-a635-adb15184e56e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:21:14,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c57c417-1f1b-463a-a635-adb15184e56e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:21:14,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:21:14,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:21:14,424 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:21:14,426 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:21:14,536 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:21:14,549 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:21:14,562 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:21:14,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:21:14 BoogieIcfgContainer [2022-11-20 17:21:14,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:21:14,574 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:21:14,574 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:21:14,585 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:21:14,586 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:21:14" (1/1) ... [2022-11-20 17:21:14,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:21:14,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:14,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-11-20 17:21:14,676 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-11-20 17:21:14,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:21:14,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:14,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:14,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:21:14,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:14,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2022-11-20 17:21:14,964 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-11-20 17:21:14,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:21:14,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:14,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:15,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:21:15,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:15,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2022-11-20 17:21:15,066 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-11-20 17:21:15,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:21:15,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:15,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:15,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:21:15,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:15,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-11-20 17:21:15,241 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-11-20 17:21:15,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:21:15,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:15,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:15,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:21:15,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:15,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2022-11-20 17:21:15,498 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2022-11-20 17:21:15,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:21:15,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:15,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:15,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:21:16,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:16,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-11-20 17:21:16,186 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-11-20 17:21:16,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:21:16,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:16,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:16,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:21:16,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:16,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2022-11-20 17:21:16,604 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2022-11-20 17:21:16,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:21:16,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:16,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:21:16,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:16,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-11-20 17:21:16,977 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-11-20 17:21:16,978 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:21:16,978 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-11-20 17:21:16,989 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 17:21:17,060 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:21:17,064 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-11-20 17:21:17,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:21:17 ImpRootNode [2022-11-20 17:21:17,073 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:21:17,074 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:21:17,074 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:21:17,075 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:21:17,075 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:21:14" (3/4) ... [2022-11-20 17:21:17,078 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:21:17,093 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 17:21:17,094 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:21:17,094 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 17:21:17,142 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c57c417-1f1b-463a-a635-adb15184e56e/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:21:17,143 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:21:17,144 INFO L158 Benchmark]: Toolchain (without parser) took 3192.62ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 104.9MB in the beginning and 119.5MB in the end (delta: -14.5MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-11-20 17:21:17,144 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 138.4MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:21:17,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.63ms. Allocated memory is still 138.4MB. Free memory was 104.9MB in the beginning and 95.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 17:21:17,146 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.96ms. Allocated memory is still 138.4MB. Free memory was 95.6MB in the beginning and 94.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:21:17,147 INFO L158 Benchmark]: Boogie Preprocessor took 26.52ms. Allocated memory is still 138.4MB. Free memory was 94.1MB in the beginning and 93.1MB in the end (delta: 962.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:21:17,147 INFO L158 Benchmark]: RCFGBuilder took 315.35ms. Allocated memory is still 138.4MB. Free memory was 93.1MB in the beginning and 83.7MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:21:17,148 INFO L158 Benchmark]: CodeCheck took 2499.64ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 83.7MB in the beginning and 121.6MB in the end (delta: -37.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:21:17,152 INFO L158 Benchmark]: Witness Printer took 68.98ms. Allocated memory is still 169.9MB. Free memory was 121.6MB in the beginning and 119.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:21:17,155 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, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 222 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 100 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 46 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 446 IncrementalHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 54 mSDtfsCounter, 446 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 482 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1166 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 163 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 7/7 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 - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: (x <= 2147483647 && 0 <= 2147483647 + x + y) && 1 <= x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 138.4MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.63ms. Allocated memory is still 138.4MB. Free memory was 104.9MB in the beginning and 95.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.96ms. Allocated memory is still 138.4MB. Free memory was 95.6MB in the beginning and 94.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.52ms. Allocated memory is still 138.4MB. Free memory was 94.1MB in the beginning and 93.1MB in the end (delta: 962.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 315.35ms. Allocated memory is still 138.4MB. Free memory was 93.1MB in the beginning and 83.7MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2499.64ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 83.7MB in the beginning and 121.6MB in the end (delta: -37.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 68.98ms. Allocated memory is still 169.9MB. Free memory was 121.6MB in the beginning and 119.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:21:17,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c57c417-1f1b-463a-a635-adb15184e56e/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 Result: TRUE