./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377facc4-8b21-4534-b842-79e0b58c4a0c/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377facc4-8b21-4534-b842-79e0b58c4a0c/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377facc4-8b21-4534-b842-79e0b58c4a0c/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377facc4-8b21-4534-b842-79e0b58c4a0c/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377facc4-8b21-4534-b842-79e0b58c4a0c/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377facc4-8b21-4534-b842-79e0b58c4a0c/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bee045beef00a84520361ceade974b7fbb908b65f12806fb137f6143300856d1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:19:54,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:19:54,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:19:54,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:19:54,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:19:54,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:19:54,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:19:54,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:19:54,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:19:54,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:19:54,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:19:54,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:19:54,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:19:54,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:19:54,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:19:54,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:19:54,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:19:54,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:19:54,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:19:54,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:19:54,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:19:54,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:19:54,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:19:54,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:19:54,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:19:54,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:19:54,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:19:54,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:19:54,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:19:54,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:19:54,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:19:54,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:19:54,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:19:54,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:19:54,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:19:54,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:19:54,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:19:54,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:19:54,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:19:54,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:19:54,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:19:54,544 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377facc4-8b21-4534-b842-79e0b58c4a0c/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:19:54,596 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:19:54,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:19:54,598 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:19:54,599 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:19:54,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:19:54,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:19:54,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:19:54,600 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:19:54,601 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:19:54,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:19:54,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:19:54,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:19:54,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:19:54,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:19:54,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:19:54,603 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:19:54,604 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:19:54,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:19:54,604 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:19:54,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:19:54,605 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:19:54,605 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:19:54,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:19:54,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:19:54,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:19:54,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:19:54,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:19:54,606 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:19:54,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:19:54,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:19:54,607 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_377facc4-8b21-4534-b842-79e0b58c4a0c/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377facc4-8b21-4534-b842-79e0b58c4a0c/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bee045beef00a84520361ceade974b7fbb908b65f12806fb137f6143300856d1 [2022-11-20 17:19:54,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:19:54,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:19:54,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:19:54,975 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:19:54,975 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:19:54,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377facc4-8b21-4534-b842-79e0b58c4a0c/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i [2022-11-20 17:19:58,143 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:19:58,425 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:19:58,426 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377facc4-8b21-4534-b842-79e0b58c4a0c/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i [2022-11-20 17:19:58,432 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377facc4-8b21-4534-b842-79e0b58c4a0c/bin/ukojak-pZX7IvK2PQ/data/8abc72fec/ac2e1c593c8c4541950a3158575b1264/FLAGeed3673fb [2022-11-20 17:19:58,447 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377facc4-8b21-4534-b842-79e0b58c4a0c/bin/ukojak-pZX7IvK2PQ/data/8abc72fec/ac2e1c593c8c4541950a3158575b1264 [2022-11-20 17:19:58,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:19:58,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:19:58,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:19:58,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:19:58,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:19:58,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:19:58" (1/1) ... [2022-11-20 17:19:58,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c6738e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:58, skipping insertion in model container [2022-11-20 17:19:58,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:19:58" (1/1) ... [2022-11-20 17:19:58,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:19:58,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:19:58,624 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_377facc4-8b21-4534-b842-79e0b58c4a0c/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i[873,886] [2022-11-20 17:19:58,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:19:58,642 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:19:58,653 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_377facc4-8b21-4534-b842-79e0b58c4a0c/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i[873,886] [2022-11-20 17:19:58,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:19:58,671 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:19:58,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:58 WrapperNode [2022-11-20 17:19:58,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:19:58,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:19:58,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:19:58,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:19:58,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:58" (1/1) ... [2022-11-20 17:19:58,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:58" (1/1) ... [2022-11-20 17:19:58,706 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2022-11-20 17:19:58,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:19:58,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:19:58,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:19:58,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:19:58,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:58" (1/1) ... [2022-11-20 17:19:58,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:58" (1/1) ... [2022-11-20 17:19:58,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:58" (1/1) ... [2022-11-20 17:19:58,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:58" (1/1) ... [2022-11-20 17:19:58,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:58" (1/1) ... [2022-11-20 17:19:58,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:58" (1/1) ... [2022-11-20 17:19:58,726 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:58" (1/1) ... [2022-11-20 17:19:58,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:58" (1/1) ... [2022-11-20 17:19:58,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:19:58,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:19:58,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:19:58,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:19:58,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:58" (1/1) ... [2022-11-20 17:19:58,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:19:58,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377facc4-8b21-4534-b842-79e0b58c4a0c/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:19:58,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377facc4-8b21-4534-b842-79e0b58c4a0c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:19:58,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377facc4-8b21-4534-b842-79e0b58c4a0c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:19:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:19:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:19:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:19:58,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:19:58,892 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:19:58,894 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:19:59,133 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:19:59,157 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:19:59,157 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:19:59,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:19:59 BoogieIcfgContainer [2022-11-20 17:19:59,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:19:59,161 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:19:59,161 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:19:59,171 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:19:59,187 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:19:59" (1/1) ... [2022-11-20 17:19:59,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:19:59,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:59,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2022-11-20 17:19:59,286 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2022-11-20 17:19:59,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:19:59,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:59,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:59,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:19:59,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:59,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2022-11-20 17:19:59,576 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-11-20 17:19:59,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:19:59,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:59,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:59,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:19:59,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:59,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2022-11-20 17:19:59,686 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2022-11-20 17:19:59,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:19:59,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:59,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:59,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:19:59,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:59,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2022-11-20 17:19:59,956 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2022-11-20 17:19:59,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:19:59,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:59,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:59,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:00,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:00,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2022-11-20 17:20:00,002 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2022-11-20 17:20:00,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:20:00,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:00,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:20:00,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:20:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:20:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:20:00,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:20:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:20:00,073 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2022-11-20 17:20:00,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:20:00 ImpRootNode [2022-11-20 17:20:00,118 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:20:00,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:20:00,119 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:20:00,120 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:20:00,125 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:19:59" (3/4) ... [2022-11-20 17:20:00,127 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 17:20:00,191 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377facc4-8b21-4534-b842-79e0b58c4a0c/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:20:00,191 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:20:00,192 INFO L158 Benchmark]: Toolchain (without parser) took 1740.21ms. Allocated memory is still 169.9MB. Free memory was 136.3MB in the beginning and 77.3MB in the end (delta: 59.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-20 17:20:00,193 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 169.9MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:20:00,196 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.86ms. Allocated memory is still 169.9MB. Free memory was 136.3MB in the beginning and 126.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:20:00,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.75ms. Allocated memory is still 169.9MB. Free memory was 126.0MB in the beginning and 124.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:20:00,198 INFO L158 Benchmark]: Boogie Preprocessor took 22.09ms. Allocated memory is still 169.9MB. Free memory was 124.4MB in the beginning and 123.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:20:00,198 INFO L158 Benchmark]: RCFGBuilder took 430.22ms. Allocated memory is still 169.9MB. Free memory was 123.4MB in the beginning and 110.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 17:20:00,199 INFO L158 Benchmark]: CodeCheck took 957.87ms. Allocated memory is still 169.9MB. Free memory was 110.8MB in the beginning and 78.8MB in the end (delta: 32.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-20 17:20:00,200 INFO L158 Benchmark]: Witness Printer took 71.97ms. Allocated memory is still 169.9MB. Free memory was 78.8MB in the beginning and 77.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:20:00,203 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, 37 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 43 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 30]: 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 !(!(x=0)) VAL [x=2147483638, y=2147483639] [L30] x+10 VAL [x=2147483638, y=2147483639] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 169.9MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.86ms. Allocated memory is still 169.9MB. Free memory was 136.3MB in the beginning and 126.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.75ms. Allocated memory is still 169.9MB. Free memory was 126.0MB in the beginning and 124.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.09ms. Allocated memory is still 169.9MB. Free memory was 124.4MB in the beginning and 123.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 430.22ms. Allocated memory is still 169.9MB. Free memory was 123.4MB in the beginning and 110.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 957.87ms. Allocated memory is still 169.9MB. Free memory was 110.8MB in the beginning and 78.8MB in the end (delta: 32.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 71.97ms. Allocated memory is still 169.9MB. Free memory was 78.8MB in the beginning and 77.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 17:20:00,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377facc4-8b21-4534-b842-79e0b58c4a0c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)