./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 2329fc70 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_73c8dc3d-cbe5-478a-9f63-165f29d43c11/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c8dc3d-cbe5-478a-9f63-165f29d43c11/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c8dc3d-cbe5-478a-9f63-165f29d43c11/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c8dc3d-cbe5-478a-9f63-165f29d43c11/bin/ukojak-rkRKPMF4O4/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_73c8dc3d-cbe5-478a-9f63-165f29d43c11/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c8dc3d-cbe5-478a-9f63-165f29d43c11/bin/ukojak-rkRKPMF4O4 --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-2329fc7 [2022-12-15 01:18:02,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:18:02,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:18:02,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:18:02,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:18:02,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:18:02,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:18:02,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:18:02,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:18:02,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:18:02,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:18:02,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:18:02,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:18:02,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:18:02,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:18:02,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:18:02,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:18:02,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:18:02,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:18:02,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:18:02,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:18:02,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:18:02,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:18:02,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:18:02,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:18:02,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:18:02,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:18:02,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:18:02,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:18:02,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:18:02,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:18:02,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:18:02,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:18:02,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:18:02,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:18:02,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:18:02,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:18:02,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:18:02,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:18:02,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:18:02,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:18:02,239 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c8dc3d-cbe5-478a-9f63-165f29d43c11/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 01:18:02,253 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:18:02,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:18:02,254 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:18:02,254 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:18:02,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:18:02,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:18:02,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:18:02,255 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:18:02,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:18:02,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:18:02,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:18:02,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:18:02,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:18:02,255 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:18:02,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:18:02,256 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:18:02,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:18:02,256 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:18:02,256 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:18:02,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:18:02,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:18:02,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:18:02,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:18:02,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:18:02,257 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:18:02,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:18:02,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:18:02,257 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_73c8dc3d-cbe5-478a-9f63-165f29d43c11/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c8dc3d-cbe5-478a-9f63-165f29d43c11/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f77ac7021b9516a822c02fb2f9337d0a1ab6f10aeb906e4a3e0cf008997a431e [2022-12-15 01:18:02,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:18:02,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:18:02,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:18:02,466 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:18:02,467 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:18:02,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c8dc3d-cbe5-478a-9f63-165f29d43c11/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c [2022-12-15 01:18:05,053 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:18:05,185 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:18:05,185 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c8dc3d-cbe5-478a-9f63-165f29d43c11/sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c [2022-12-15 01:18:05,189 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c8dc3d-cbe5-478a-9f63-165f29d43c11/bin/ukojak-rkRKPMF4O4/data/7a8411162/b98ebe09d05e4655b259d8134f266f10/FLAG3719f0398 [2022-12-15 01:18:05,200 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c8dc3d-cbe5-478a-9f63-165f29d43c11/bin/ukojak-rkRKPMF4O4/data/7a8411162/b98ebe09d05e4655b259d8134f266f10 [2022-12-15 01:18:05,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:18:05,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:18:05,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:18:05,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:18:05,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:18:05,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:18:05" (1/1) ... [2022-12-15 01:18:05,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3292384d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:18:05, skipping insertion in model container [2022-12-15 01:18:05,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:18:05" (1/1) ... [2022-12-15 01:18:05,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:18:05,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:18:05,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:18:05,328 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:18:05,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:18:05,346 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:18:05,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:18:05 WrapperNode [2022-12-15 01:18:05,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:18:05,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:18:05,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:18:05,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:18:05,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:18:05" (1/1) ... [2022-12-15 01:18:05,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:18:05" (1/1) ... [2022-12-15 01:18:05,367 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2022-12-15 01:18:05,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:18:05,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:18:05,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:18:05,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:18:05,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:18:05" (1/1) ... [2022-12-15 01:18:05,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:18:05" (1/1) ... [2022-12-15 01:18:05,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:18:05" (1/1) ... [2022-12-15 01:18:05,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:18:05" (1/1) ... [2022-12-15 01:18:05,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:18:05" (1/1) ... [2022-12-15 01:18:05,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:18:05" (1/1) ... [2022-12-15 01:18:05,380 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:18:05" (1/1) ... [2022-12-15 01:18:05,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:18:05" (1/1) ... [2022-12-15 01:18:05,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:18:05,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:18:05,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:18:05,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:18:05,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:18:05" (1/1) ... [2022-12-15 01:18:05,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:18:05,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c8dc3d-cbe5-478a-9f63-165f29d43c11/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:18:05,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c8dc3d-cbe5-478a-9f63-165f29d43c11/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:18:05,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c8dc3d-cbe5-478a-9f63-165f29d43c11/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:18:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:18:05,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:18:05,501 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:18:05,502 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:18:05,559 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:18:05,569 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:18:05,569 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 01:18:05,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:18:05 BoogieIcfgContainer [2022-12-15 01:18:05,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:18:05,572 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:18:05,572 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:18:05,579 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:18:05,579 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:18:05" (1/1) ... [2022-12-15 01:18:05,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:18:05,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:18:05,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-12-15 01:18:05,627 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-12-15 01:18:05,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:18:05,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:18:05,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:18:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:18:05,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:18:05,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:18:05,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2022-12-15 01:18:05,777 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-12-15 01:18:05,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 01:18:05,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:18:05,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:18:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:18:05,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:18:05,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:18:05,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2022-12-15 01:18:05,821 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-12-15 01:18:05,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 01:18:05,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:18:05,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:18:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:18:05,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:18:05,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:18:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-12-15 01:18:05,917 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-12-15 01:18:05,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:18:05,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:18:05,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:18:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:18:05,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:18:06,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:18:06,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2022-12-15 01:18:06,283 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2022-12-15 01:18:06,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:18:06,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:18:06,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:18:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:18:06,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:18:06,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:18:06,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2022-12-15 01:18:06,479 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2022-12-15 01:18:06,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:18:06,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:18:06,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:18:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:18:06,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 01:18:06,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:18:06,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2022-12-15 01:18:06,743 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2022-12-15 01:18:06,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:18:06,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:18:06,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:18:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:18:06,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:18:06,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:18:06,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2022-12-15 01:18:06,995 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2022-12-15 01:18:06,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:18:06,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:18:06,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:18:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:18:07,079 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:18:07,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:18:07,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-15 01:18:07,230 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-15 01:18:07,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:18:07,230 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-15 01:18:07,236 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-15 01:18:07,279 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:18:07,282 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-12-15 01:18:07,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:18:07 ImpRootNode [2022-12-15 01:18:07,287 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:18:07,287 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:18:07,287 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:18:07,287 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:18:07,288 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:18:05" (3/4) ... [2022-12-15 01:18:07,290 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:18:07,296 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-15 01:18:07,296 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 01:18:07,296 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-15 01:18:07,318 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c8dc3d-cbe5-478a-9f63-165f29d43c11/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:18:07,318 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:18:07,318 INFO L158 Benchmark]: Toolchain (without parser) took 2114.86ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 94.3MB in the beginning and 70.4MB in the end (delta: 23.9MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2022-12-15 01:18:07,318 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:18:07,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 142.49ms. Allocated memory is still 123.7MB. Free memory was 94.3MB in the beginning and 85.0MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 01:18:07,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.71ms. Allocated memory is still 123.7MB. Free memory was 85.0MB in the beginning and 83.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:18:07,319 INFO L158 Benchmark]: Boogie Preprocessor took 12.87ms. Allocated memory is still 123.7MB. Free memory was 83.9MB in the beginning and 82.9MB in the end (delta: 993.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:18:07,320 INFO L158 Benchmark]: RCFGBuilder took 189.55ms. Allocated memory is still 123.7MB. Free memory was 82.9MB in the beginning and 73.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-15 01:18:07,320 INFO L158 Benchmark]: CodeCheck took 1714.98ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 73.4MB in the beginning and 73.4MB in the end (delta: 48.2kB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2022-12-15 01:18:07,320 INFO L158 Benchmark]: Witness Printer took 30.64ms. Allocated memory is still 148.9MB. Free memory was 73.4MB in the beginning and 70.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:18:07,322 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: 1.6s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 264 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 213 mSDsluCounter, 106 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 118 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 625 IncrementalHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 118 mSolverCounterUnsat, 46 mSDtfsCounter, 625 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 606 GetRequests, 524 SyntacticMatches, 12 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1947 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 259 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 7/13 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 0.14ms. Allocated memory is still 123.7MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 142.49ms. Allocated memory is still 123.7MB. Free memory was 94.3MB in the beginning and 85.0MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.71ms. Allocated memory is still 123.7MB. Free memory was 85.0MB in the beginning and 83.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.87ms. Allocated memory is still 123.7MB. Free memory was 83.9MB in the beginning and 82.9MB in the end (delta: 993.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 189.55ms. Allocated memory is still 123.7MB. Free memory was 82.9MB in the beginning and 73.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1714.98ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 73.4MB in the beginning and 73.4MB in the end (delta: 48.2kB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Witness Printer took 30.64ms. Allocated memory is still 148.9MB. Free memory was 73.4MB in the beginning and 70.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:18:07,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73c8dc3d-cbe5-478a-9f63-165f29d43c11/bin/ukojak-rkRKPMF4O4/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