./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/NO_01.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_11d21879-0929-448f-aa84-fb9c7c493e4d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d21879-0929-448f-aa84-fb9c7c493e4d/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_11d21879-0929-448f-aa84-fb9c7c493e4d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d21879-0929-448f-aa84-fb9c7c493e4d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/NO_01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d21879-0929-448f-aa84-fb9c7c493e4d/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_11d21879-0929-448f-aa84-fb9c7c493e4d/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 fb88f4e3847928194a09ee7421ca208530ca40554291ef14571bd7868fcf839b --- 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 [2022-12-14 20:59:23,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:59:23,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:59:23,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:59:23,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:59:23,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:59:23,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:59:23,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:59:23,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:59:23,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:59:23,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:59:23,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:59:23,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:59:23,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:59:23,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:59:23,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:59:23,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:59:23,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:59:23,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:59:23,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:59:23,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:59:23,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:59:23,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:59:23,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:59:23,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:59:23,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:59:23,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:59:23,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:59:23,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:59:23,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:59:23,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:59:23,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:59:23,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:59:23,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:59:23,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:59:23,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:59:23,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:59:23,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:59:23,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:59:23,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:59:23,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:59:23,391 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d21879-0929-448f-aa84-fb9c7c493e4d/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 20:59:23,404 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:59:23,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:59:23,405 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:59:23,405 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:59:23,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:59:23,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:59:23,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:59:23,405 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:59:23,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:59:23,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:59:23,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:59:23,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:59:23,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:59:23,406 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 20:59:23,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:59:23,406 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:59:23,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:59:23,406 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:59:23,406 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:59:23,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:59:23,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:59:23,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:59:23,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:59:23,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:59:23,407 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:59:23,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:59:23,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:59:23,407 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_11d21879-0929-448f-aa84-fb9c7c493e4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d21879-0929-448f-aa84-fb9c7c493e4d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb88f4e3847928194a09ee7421ca208530ca40554291ef14571bd7868fcf839b [2022-12-14 20:59:23,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:59:23,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:59:23,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:59:23,612 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:59:23,612 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:59:23,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d21879-0929-448f-aa84-fb9c7c493e4d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-restricted-15/NO_01.c [2022-12-14 20:59:26,095 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:59:26,239 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:59:26,240 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d21879-0929-448f-aa84-fb9c7c493e4d/sv-benchmarks/c/termination-restricted-15/NO_01.c [2022-12-14 20:59:26,244 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d21879-0929-448f-aa84-fb9c7c493e4d/bin/ukojak-rkRKPMF4O4/data/1ca7ec45c/a3a2ea884016491194c4552b5d014b5b/FLAG896eeaf88 [2022-12-14 20:59:26,255 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d21879-0929-448f-aa84-fb9c7c493e4d/bin/ukojak-rkRKPMF4O4/data/1ca7ec45c/a3a2ea884016491194c4552b5d014b5b [2022-12-14 20:59:26,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:59:26,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:59:26,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:59:26,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:59:26,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:59:26,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:59:26" (1/1) ... [2022-12-14 20:59:26,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7711ad8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:26, skipping insertion in model container [2022-12-14 20:59:26,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:59:26" (1/1) ... [2022-12-14 20:59:26,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:59:26,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:59:26,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:59:26,382 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:59:26,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:59:26,401 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:59:26,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:26 WrapperNode [2022-12-14 20:59:26,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:59:26,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:59:26,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:59:26,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:59:26,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:26" (1/1) ... [2022-12-14 20:59:26,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:26" (1/1) ... [2022-12-14 20:59:26,423 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2022-12-14 20:59:26,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:59:26,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:59:26,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:59:26,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:59:26,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:26" (1/1) ... [2022-12-14 20:59:26,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:26" (1/1) ... [2022-12-14 20:59:26,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:26" (1/1) ... [2022-12-14 20:59:26,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:26" (1/1) ... [2022-12-14 20:59:26,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:26" (1/1) ... [2022-12-14 20:59:26,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:26" (1/1) ... [2022-12-14 20:59:26,435 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:26" (1/1) ... [2022-12-14 20:59:26,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:26" (1/1) ... [2022-12-14 20:59:26,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:59:26,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:59:26,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:59:26,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:59:26,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:26" (1/1) ... [2022-12-14 20:59:26,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:59:26,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d21879-0929-448f-aa84-fb9c7c493e4d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:59:26,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d21879-0929-448f-aa84-fb9c7c493e4d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:59:26,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d21879-0929-448f-aa84-fb9c7c493e4d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:59:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:59:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:59:26,548 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:59:26,550 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:59:26,621 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:59:26,633 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:59:26,634 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 20:59:26,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:59:26 BoogieIcfgContainer [2022-12-14 20:59:26,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:59:26,637 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:59:26,637 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:59:26,644 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:59:26,645 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:59:26" (1/1) ... [2022-12-14 20:59:26,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:59:26,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:59:26,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2022-12-14 20:59:26,691 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2022-12-14 20:59:26,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 20:59:26,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:59:26,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:59:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:59:26,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:59:26,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:59:26,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2022-12-14 20:59:26,811 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-12-14 20:59:26,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 20:59:26,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:59:26,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:59:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:59:26,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:59:26,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:59:26,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2022-12-14 20:59:26,840 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-12-14 20:59:26,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 20:59:26,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:59:26,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:59:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:59:26,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:59:26,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:59:26,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-12-14 20:59:26,873 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-12-14 20:59:26,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 20:59:26,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:59:26,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:59:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:59:26,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:59:26,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:59:26,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-12-14 20:59:26,926 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-14 20:59:26,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 20:59:26,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:59:26,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:59:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:59:26,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:59:27,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:59:27,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2022-12-14 20:59:27,025 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2022-12-14 20:59:27,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 20:59:27,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:59:27,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:59:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:59:27,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:59:27,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:59:27,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2022-12-14 20:59:27,087 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2022-12-14 20:59:27,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 20:59:27,087 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-12-14 20:59:27,094 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 20:59:27,109 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2022-12-14 20:59:27,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 08:59:27 ImpRootNode [2022-12-14 20:59:27,119 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 20:59:27,120 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 20:59:27,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 20:59:27,120 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 20:59:27,121 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:59:26" (3/4) ... [2022-12-14 20:59:27,123 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 20:59:27,132 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-14 20:59:27,132 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 20:59:27,133 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 20:59:27,159 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d21879-0929-448f-aa84-fb9c7c493e4d/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 20:59:27,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 20:59:27,160 INFO L158 Benchmark]: Toolchain (without parser) took 902.13ms. Allocated memory is still 138.4MB. Free memory was 105.2MB in the beginning and 53.7MB in the end (delta: 51.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-12-14 20:59:27,160 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:59:27,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 143.29ms. Allocated memory is still 138.4MB. Free memory was 105.2MB in the beginning and 96.0MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 20:59:27,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.62ms. Allocated memory is still 138.4MB. Free memory was 96.0MB in the beginning and 94.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:59:27,161 INFO L158 Benchmark]: Boogie Preprocessor took 13.29ms. Allocated memory is still 138.4MB. Free memory was 94.6MB in the beginning and 93.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:59:27,162 INFO L158 Benchmark]: RCFGBuilder took 198.95ms. Allocated memory is still 138.4MB. Free memory was 93.6MB in the beginning and 83.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 20:59:27,162 INFO L158 Benchmark]: CodeCheck took 482.48ms. Allocated memory is still 138.4MB. Free memory was 83.1MB in the beginning and 56.3MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 20:59:27,163 INFO L158 Benchmark]: Witness Printer took 39.51ms. Allocated memory is still 138.4MB. Free memory was 56.3MB in the beginning and 53.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:59:27,165 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, 26 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 156 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 168 IncrementalHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 60 mSDtfsCounter, 168 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 252 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 63 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 2/2 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: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: i <= 0 && 0 <= i * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 143.29ms. Allocated memory is still 138.4MB. Free memory was 105.2MB in the beginning and 96.0MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.62ms. Allocated memory is still 138.4MB. Free memory was 96.0MB in the beginning and 94.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.29ms. Allocated memory is still 138.4MB. Free memory was 94.6MB in the beginning and 93.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 198.95ms. Allocated memory is still 138.4MB. Free memory was 93.6MB in the beginning and 83.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 482.48ms. Allocated memory is still 138.4MB. Free memory was 83.1MB in the beginning and 56.3MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 39.51ms. Allocated memory is still 138.4MB. Free memory was 56.3MB in the beginning and 53.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 20:59:27,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d21879-0929-448f-aa84-fb9c7c493e4d/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