./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark21_disjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_9bf92057-15da-42c1-9493-e7d22821e8ff/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf92057-15da-42c1-9493-e7d22821e8ff/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_9bf92057-15da-42c1-9493-e7d22821e8ff/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf92057-15da-42c1-9493-e7d22821e8ff/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark21_disjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf92057-15da-42c1-9493-e7d22821e8ff/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf92057-15da-42c1-9493-e7d22821e8ff/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 32bit --witnessprinter.graph.data.programhash 393db91dbecd585d0109b6037170a80dfcfdf1778299122a2627ad3e215f61fd --- 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 21:25:00,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:25:00,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:25:00,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:25:00,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:25:00,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:25:00,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:25:00,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:25:00,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:25:00,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:25:00,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:25:00,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:25:00,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:25:00,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:25:00,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:25:00,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:25:00,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:25:00,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:25:00,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:25:00,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:25:00,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:25:00,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:25:00,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:25:00,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:25:00,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:25:00,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:25:00,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:25:00,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:25:00,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:25:00,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:25:00,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:25:00,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:25:00,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:25:00,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:25:00,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:25:00,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:25:00,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:25:00,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:25:00,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:25:00,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:25:00,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:25:00,402 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf92057-15da-42c1-9493-e7d22821e8ff/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 21:25:00,415 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:25:00,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:25:00,415 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:25:00,415 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:25:00,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:25:00,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:25:00,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:25:00,416 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:25:00,417 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:25:00,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:25:00,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:25:00,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:25:00,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:25:00,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:25:00,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:25:00,417 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 21:25:00,418 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:25:00,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:25:00,418 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:25:00,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:25:00,418 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:25:00,418 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:25:00,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:25:00,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:25:00,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:25:00,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:25:00,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:25:00,419 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:25:00,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:25:00,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:25:00,420 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_9bf92057-15da-42c1-9493-e7d22821e8ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf92057-15da-42c1-9493-e7d22821e8ff/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 393db91dbecd585d0109b6037170a80dfcfdf1778299122a2627ad3e215f61fd [2022-12-14 21:25:00,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:25:00,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:25:00,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:25:00,638 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:25:00,638 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:25:00,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf92057-15da-42c1-9493-e7d22821e8ff/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loop-zilu/benchmark21_disjunctive.i [2022-12-14 21:25:03,197 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:25:03,329 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:25:03,330 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf92057-15da-42c1-9493-e7d22821e8ff/sv-benchmarks/c/loop-zilu/benchmark21_disjunctive.i [2022-12-14 21:25:03,334 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf92057-15da-42c1-9493-e7d22821e8ff/bin/ukojak-rkRKPMF4O4/data/17b0ac44e/0c7374880263431ab244238712c0abb3/FLAG90f57d6c1 [2022-12-14 21:25:03,344 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf92057-15da-42c1-9493-e7d22821e8ff/bin/ukojak-rkRKPMF4O4/data/17b0ac44e/0c7374880263431ab244238712c0abb3 [2022-12-14 21:25:03,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:25:03,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:25:03,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:25:03,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:25:03,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:25:03,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:25:03" (1/1) ... [2022-12-14 21:25:03,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc2bcf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:25:03, skipping insertion in model container [2022-12-14 21:25:03,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:25:03" (1/1) ... [2022-12-14 21:25:03,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:25:03,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:25:03,467 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf92057-15da-42c1-9493-e7d22821e8ff/sv-benchmarks/c/loop-zilu/benchmark21_disjunctive.i[873,886] [2022-12-14 21:25:03,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:25:03,481 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:25:03,492 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf92057-15da-42c1-9493-e7d22821e8ff/sv-benchmarks/c/loop-zilu/benchmark21_disjunctive.i[873,886] [2022-12-14 21:25:03,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:25:03,503 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:25:03,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:25:03 WrapperNode [2022-12-14 21:25:03,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:25:03,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:25:03,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:25:03,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:25:03,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:25:03" (1/1) ... [2022-12-14 21:25:03,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:25:03" (1/1) ... [2022-12-14 21:25:03,527 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2022-12-14 21:25:03,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:25:03,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:25:03,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:25:03,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:25:03,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:25:03" (1/1) ... [2022-12-14 21:25:03,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:25:03" (1/1) ... [2022-12-14 21:25:03,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:25:03" (1/1) ... [2022-12-14 21:25:03,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:25:03" (1/1) ... [2022-12-14 21:25:03,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:25:03" (1/1) ... [2022-12-14 21:25:03,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:25:03" (1/1) ... [2022-12-14 21:25:03,539 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:25:03" (1/1) ... [2022-12-14 21:25:03,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:25:03" (1/1) ... [2022-12-14 21:25:03,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:25:03,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:25:03,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:25:03,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:25:03,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:25:03" (1/1) ... [2022-12-14 21:25:03,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:25:03,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf92057-15da-42c1-9493-e7d22821e8ff/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:25:03,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf92057-15da-42c1-9493-e7d22821e8ff/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:25:03,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf92057-15da-42c1-9493-e7d22821e8ff/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:25:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:25:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 21:25:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:25:03,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:25:03,659 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:25:03,661 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:25:03,760 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:25:03,781 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:25:03,781 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 21:25:03,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:25:03 BoogieIcfgContainer [2022-12-14 21:25:03,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:25:03,785 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:25:03,785 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:25:03,795 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:25:03,795 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:25:03" (1/1) ... [2022-12-14 21:25:03,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:25:03,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:25:03,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-12-14 21:25:03,844 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-12-14 21:25:03,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 21:25:03,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:25:03,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:25:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:25:03,995 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 21:25:04,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:25:04,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2022-12-14 21:25:04,054 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-12-14 21:25:04,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 21:25:04,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:25:04,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:25:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:25:04,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 21:25:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:25:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:25:04,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 21:25:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:25:04,101 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-12-14 21:25:04,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 09:25:04 ImpRootNode [2022-12-14 21:25:04,119 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 21:25:04,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 21:25:04,119 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 21:25:04,119 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 21:25:04,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:25:03" (3/4) ... [2022-12-14 21:25:04,121 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 21:25:04,143 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf92057-15da-42c1-9493-e7d22821e8ff/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 21:25:04,143 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 21:25:04,144 INFO L158 Benchmark]: Toolchain (without parser) took 796.76ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 78.6MB in the beginning and 98.1MB in the end (delta: -19.5MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2022-12-14 21:25:04,144 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 115.3MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:25:04,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 156.29ms. Allocated memory is still 115.3MB. Free memory was 78.3MB in the beginning and 68.4MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 21:25:04,145 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.49ms. Allocated memory is still 115.3MB. Free memory was 68.1MB in the beginning and 67.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:25:04,146 INFO L158 Benchmark]: Boogie Preprocessor took 13.42ms. Allocated memory is still 115.3MB. Free memory was 67.0MB in the beginning and 65.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:25:04,146 INFO L158 Benchmark]: RCFGBuilder took 242.75ms. Allocated memory is still 115.3MB. Free memory was 65.6MB in the beginning and 54.7MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 21:25:04,146 INFO L158 Benchmark]: CodeCheck took 333.86ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 54.7MB in the beginning and 99.4MB in the end (delta: -44.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:25:04,147 INFO L158 Benchmark]: Witness Printer took 24.18ms. Allocated memory is still 138.4MB. Free memory was 99.4MB in the beginning and 98.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:25:04,149 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, 20 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 2 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 24]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] COND FALSE !(!(y>0 || x>0)) VAL [x=2147483647, y=1] [L23] COND TRUE 1 VAL [x=2147483647, y=1] [L24] x+y VAL [x=2147483647, y=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 115.3MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 156.29ms. Allocated memory is still 115.3MB. Free memory was 78.3MB in the beginning and 68.4MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.49ms. Allocated memory is still 115.3MB. Free memory was 68.1MB in the beginning and 67.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.42ms. Allocated memory is still 115.3MB. Free memory was 67.0MB in the beginning and 65.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 242.75ms. Allocated memory is still 115.3MB. Free memory was 65.6MB in the beginning and 54.7MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 333.86ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 54.7MB in the beginning and 99.4MB in the end (delta: -44.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 24.18ms. Allocated memory is still 138.4MB. Free memory was 99.4MB in the beginning and 98.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 21:25:04,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf92057-15da-42c1-9493-e7d22821e8ff/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)