./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_c74ef570-fcc1-41b8-92ac-e6642a084a24/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74ef570-fcc1-41b8-92ac-e6642a084a24/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_c74ef570-fcc1-41b8-92ac-e6642a084a24/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74ef570-fcc1-41b8-92ac-e6642a084a24/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74ef570-fcc1-41b8-92ac-e6642a084a24/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_c74ef570-fcc1-41b8-92ac-e6642a084a24/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 8fbd99b1bfb27b318d252229087f8d9132096866b72085e8874326b5a6d541b4 --- 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 23:51:56,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:51:56,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:51:56,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:51:56,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:51:56,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:51:56,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:51:56,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:51:56,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:51:56,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:51:56,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:51:56,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:51:56,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:51:56,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:51:56,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:51:56,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:51:56,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:51:56,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:51:56,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:51:56,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:51:56,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:51:56,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:51:56,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:51:56,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:51:56,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:51:56,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:51:56,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:51:56,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:51:56,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:51:56,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:51:56,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:51:56,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:51:56,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:51:56,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:51:56,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:51:56,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:51:56,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:51:56,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:51:56,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:51:56,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:51:56,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:51:56,269 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74ef570-fcc1-41b8-92ac-e6642a084a24/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 23:51:56,284 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:51:56,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:51:56,285 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:51:56,285 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:51:56,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:51:56,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:51:56,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:51:56,292 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:51:56,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:51:56,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:51:56,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:51:56,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:51:56,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:51:56,293 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:51:56,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:51:56,293 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:51:56,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:51:56,294 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:51:56,294 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:51:56,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:51:56,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:51:56,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:51:56,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:51:56,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:51:56,295 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:51:56,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:51:56,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:51:56,296 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_c74ef570-fcc1-41b8-92ac-e6642a084a24/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74ef570-fcc1-41b8-92ac-e6642a084a24/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fbd99b1bfb27b318d252229087f8d9132096866b72085e8874326b5a6d541b4 [2022-12-14 23:51:56,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:51:56,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:51:56,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:51:56,491 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:51:56,491 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:51:56,493 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74ef570-fcc1-41b8-92ac-e6642a084a24/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-memory-alloca/GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i [2022-12-14 23:51:59,116 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:51:59,262 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:51:59,263 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74ef570-fcc1-41b8-92ac-e6642a084a24/sv-benchmarks/c/termination-memory-alloca/GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i [2022-12-14 23:51:59,271 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74ef570-fcc1-41b8-92ac-e6642a084a24/bin/ukojak-rkRKPMF4O4/data/d94efe3f1/3fcd7813654142fe966191681398e36e/FLAGa639b235f [2022-12-14 23:51:59,281 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74ef570-fcc1-41b8-92ac-e6642a084a24/bin/ukojak-rkRKPMF4O4/data/d94efe3f1/3fcd7813654142fe966191681398e36e [2022-12-14 23:51:59,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:51:59,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:51:59,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:51:59,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:51:59,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:51:59,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:51:59" (1/1) ... [2022-12-14 23:51:59,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b0c8da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:59, skipping insertion in model container [2022-12-14 23:51:59,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:51:59" (1/1) ... [2022-12-14 23:51:59,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:51:59,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:51:59,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:51:59,496 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:51:59,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:51:59,535 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:51:59,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:59 WrapperNode [2022-12-14 23:51:59,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:51:59,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:51:59,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:51:59,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:51:59,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:59" (1/1) ... [2022-12-14 23:51:59,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:59" (1/1) ... [2022-12-14 23:51:59,562 INFO L138 Inliner]: procedures = 110, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 80 [2022-12-14 23:51:59,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:51:59,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:51:59,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:51:59,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:51:59,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:59" (1/1) ... [2022-12-14 23:51:59,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:59" (1/1) ... [2022-12-14 23:51:59,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:59" (1/1) ... [2022-12-14 23:51:59,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:59" (1/1) ... [2022-12-14 23:51:59,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:59" (1/1) ... [2022-12-14 23:51:59,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:59" (1/1) ... [2022-12-14 23:51:59,577 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:59" (1/1) ... [2022-12-14 23:51:59,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:59" (1/1) ... [2022-12-14 23:51:59,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:51:59,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:51:59,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:51:59,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:51:59,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:59" (1/1) ... [2022-12-14 23:51:59,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:51:59,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74ef570-fcc1-41b8-92ac-e6642a084a24/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:51:59,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74ef570-fcc1-41b8-92ac-e6642a084a24/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:51:59,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74ef570-fcc1-41b8-92ac-e6642a084a24/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:51:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 23:51:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 23:51:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:51:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:51:59,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:51:59,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:51:59,715 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:51:59,716 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:51:59,821 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:51:59,857 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:51:59,857 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:51:59,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:51:59 BoogieIcfgContainer [2022-12-14 23:51:59,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:51:59,860 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:51:59,860 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:51:59,867 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:51:59,867 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:51:59" (1/1) ... [2022-12-14 23:51:59,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:51:59,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:51:59,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-12-14 23:51:59,911 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-12-14 23:51:59,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 23:51:59,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:51:59,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:51:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:52:00,184 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 23:52:00,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:52:00,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-12-14 23:52:00,228 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-12-14 23:52:00,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 23:52:00,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:52:00,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:52:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:52:00,445 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 23:52:00,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:52:00,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-12-14 23:52:00,542 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-12-14 23:52:00,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 23:52:00,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:52:00,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:52:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:52:00,679 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 23:52:00,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:52:00,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-12-14 23:52:00,798 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-12-14 23:52:00,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:52:00,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:52:00,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:52:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:52:01,066 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 23:52:01,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:52:01,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2022-12-14 23:52:01,829 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2022-12-14 23:52:01,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:52:01,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:52:01,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:52:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:52:01,968 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:52:02,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:52:02,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2022-12-14 23:52:02,337 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2022-12-14 23:52:02,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:52:02,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:52:02,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:52:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:52:02,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:52:02,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:52:02,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2022-12-14 23:52:02,523 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2022-12-14 23:52:02,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:52:02,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:52:02,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:52:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:52:02,726 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:52:03,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:52:03,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 23:52:03,414 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 23:52:03,414 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 23:52:03,414 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-12-14 23:52:03,419 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 23:52:03,462 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:52:03,466 INFO L560 CodeCheckObserver]: Invariant with dag size 18 [2022-12-14 23:52:03,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:52:03 ImpRootNode [2022-12-14 23:52:03,471 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:52:03,471 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:52:03,471 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:52:03,472 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:52:03,472 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:51:59" (3/4) ... [2022-12-14 23:52:03,474 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 23:52:03,480 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-14 23:52:03,480 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 23:52:03,480 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 23:52:03,481 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:52:03,507 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74ef570-fcc1-41b8-92ac-e6642a084a24/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:52:03,507 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:52:03,507 INFO L158 Benchmark]: Toolchain (without parser) took 4223.72ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 103.9MB in the beginning and 84.9MB in the end (delta: 19.0MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2022-12-14 23:52:03,507 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 144.7MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:52:03,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.53ms. Allocated memory is still 144.7MB. Free memory was 103.9MB in the beginning and 88.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 23:52:03,508 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.44ms. Allocated memory is still 144.7MB. Free memory was 88.3MB in the beginning and 86.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:52:03,508 INFO L158 Benchmark]: Boogie Preprocessor took 15.64ms. Allocated memory is still 144.7MB. Free memory was 86.7MB in the beginning and 85.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:52:03,508 INFO L158 Benchmark]: RCFGBuilder took 279.99ms. Allocated memory is still 144.7MB. Free memory was 85.1MB in the beginning and 70.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 23:52:03,509 INFO L158 Benchmark]: CodeCheck took 3610.93ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 70.9MB in the beginning and 88.0MB in the end (delta: -17.1MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2022-12-14 23:52:03,509 INFO L158 Benchmark]: Witness Printer took 35.53ms. Allocated memory is still 184.5MB. Free memory was 88.0MB in the beginning and 84.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:52:03,510 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, 16 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 185 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 601 IncrementalHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 185 mSolverCounterUnsat, 26 mSDtfsCounter, 601 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 592 GetRequests, 493 SyntacticMatches, 7 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3008 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 364 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 9/12 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: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: 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: 552]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: (!(tmp == maxId) && unknown-#memory_int-unknown[maxId][maxId] <= 2147483647) && 0 <= unknown-#memory_int-unknown[tmp][tmp] + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 144.7MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.53ms. Allocated memory is still 144.7MB. Free memory was 103.9MB in the beginning and 88.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.44ms. Allocated memory is still 144.7MB. Free memory was 88.3MB in the beginning and 86.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.64ms. Allocated memory is still 144.7MB. Free memory was 86.7MB in the beginning and 85.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 279.99ms. Allocated memory is still 144.7MB. Free memory was 85.1MB in the beginning and 70.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 3610.93ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 70.9MB in the beginning and 88.0MB in the end (delta: -17.1MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Witness Printer took 35.53ms. Allocated memory is still 184.5MB. Free memory was 88.0MB in the beginning and 84.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 23:52:03,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74ef570-fcc1-41b8-92ac-e6642a084a24/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