./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive/Addition03-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b807cd23-afad-424b-b09f-218bc900be9e/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b807cd23-afad-424b-b09f-218bc900be9e/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_b807cd23-afad-424b-b09f-218bc900be9e/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b807cd23-afad-424b-b09f-218bc900be9e/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/Addition03-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b807cd23-afad-424b-b09f-218bc900be9e/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_b807cd23-afad-424b-b09f-218bc900be9e/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 05e1586341923e86773678b8473c98179ef8b90b2477706a4d2e580d9d3d8e12 --- 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 17:27:54,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:27:54,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:27:54,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:27:54,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:27:54,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:27:54,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:27:54,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:27:54,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:27:54,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:27:54,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:27:54,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:27:54,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:27:54,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:27:54,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:27:54,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:27:54,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:27:54,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:27:54,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:27:54,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:27:54,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:27:54,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:27:54,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:27:54,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:27:54,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:27:54,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:27:54,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:27:54,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:27:54,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:27:54,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:27:54,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:27:54,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:27:54,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:27:54,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:27:54,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:27:54,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:27:54,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:27:54,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:27:54,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:27:54,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:27:54,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:27:54,604 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b807cd23-afad-424b-b09f-218bc900be9e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:27:54,643 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:27:54,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:27:54,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:27:54,645 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:27:54,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:27:54,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:27:54,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:27:54,647 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:27:54,647 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:27:54,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:27:54,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:27:54,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:27:54,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:27:54,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:27:54,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:27:54,650 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:27:54,651 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:27:54,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:27:54,651 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:27:54,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:27:54,652 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:27:54,652 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:27:54,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:27:54,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:27:54,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:27:54,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:27:54,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:27:54,654 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:27:54,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:27:54,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:27:54,656 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_b807cd23-afad-424b-b09f-218bc900be9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b807cd23-afad-424b-b09f-218bc900be9e/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e1586341923e86773678b8473c98179ef8b90b2477706a4d2e580d9d3d8e12 [2022-11-20 17:27:54,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:27:55,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:27:55,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:27:55,008 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:27:55,009 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:27:55,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b807cd23-afad-424b-b09f-218bc900be9e/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/recursive/Addition03-2.c [2022-11-20 17:27:58,149 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:27:58,383 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:27:58,383 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b807cd23-afad-424b-b09f-218bc900be9e/sv-benchmarks/c/recursive/Addition03-2.c [2022-11-20 17:27:58,391 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b807cd23-afad-424b-b09f-218bc900be9e/bin/ukojak-pZX7IvK2PQ/data/c89f18046/7e4828045ff24b5b8764e863c1cd5a7d/FLAG2d4830991 [2022-11-20 17:27:58,411 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b807cd23-afad-424b-b09f-218bc900be9e/bin/ukojak-pZX7IvK2PQ/data/c89f18046/7e4828045ff24b5b8764e863c1cd5a7d [2022-11-20 17:27:58,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:27:58,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:27:58,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:27:58,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:27:58,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:27:58,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:27:58" (1/1) ... [2022-11-20 17:27:58,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ffd70a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:58, skipping insertion in model container [2022-11-20 17:27:58,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:27:58" (1/1) ... [2022-11-20 17:27:58,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:27:58,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:27:58,628 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_b807cd23-afad-424b-b09f-218bc900be9e/sv-benchmarks/c/recursive/Addition03-2.c[816,829] [2022-11-20 17:27:58,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:27:58,642 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:27:58,666 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_b807cd23-afad-424b-b09f-218bc900be9e/sv-benchmarks/c/recursive/Addition03-2.c[816,829] [2022-11-20 17:27:58,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:27:58,684 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:27:58,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:58 WrapperNode [2022-11-20 17:27:58,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:27:58,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:27:58,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:27:58,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:27:58,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:58" (1/1) ... [2022-11-20 17:27:58,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:58" (1/1) ... [2022-11-20 17:27:58,718 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2022-11-20 17:27:58,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:27:58,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:27:58,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:27:58,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:27:58,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:58" (1/1) ... [2022-11-20 17:27:58,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:58" (1/1) ... [2022-11-20 17:27:58,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:58" (1/1) ... [2022-11-20 17:27:58,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:58" (1/1) ... [2022-11-20 17:27:58,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:58" (1/1) ... [2022-11-20 17:27:58,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:58" (1/1) ... [2022-11-20 17:27:58,735 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:58" (1/1) ... [2022-11-20 17:27:58,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:58" (1/1) ... [2022-11-20 17:27:58,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:27:58,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:27:58,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:27:58,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:27:58,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:58" (1/1) ... [2022-11-20 17:27:58,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:27:58,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b807cd23-afad-424b-b09f-218bc900be9e/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:27:58,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b807cd23-afad-424b-b09f-218bc900be9e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:27:58,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b807cd23-afad-424b-b09f-218bc900be9e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:27:58,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:27:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:27:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:27:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:27:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2022-11-20 17:27:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2022-11-20 17:27:58,902 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:27:58,905 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:27:59,123 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:27:59,166 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:27:59,167 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:27:59,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:59 BoogieIcfgContainer [2022-11-20 17:27:59,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:27:59,171 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:27:59,171 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:27:59,182 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:27:59,195 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:59" (1/1) ... [2022-11-20 17:27:59,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:27:59,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:59,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2022-11-20 17:27:59,332 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-11-20 17:27:59,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:27:59,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:59,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:27:59,464 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:27:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:27:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:27:59,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:27:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:27:59,602 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-11-20 17:27:59,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:27:59 ImpRootNode [2022-11-20 17:27:59,639 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:27:59,642 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:27:59,642 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:27:59,642 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:27:59,643 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:59" (3/4) ... [2022-11-20 17:27:59,646 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 17:27:59,713 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b807cd23-afad-424b-b09f-218bc900be9e/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:27:59,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:27:59,715 INFO L158 Benchmark]: Toolchain (without parser) took 1298.49ms. Allocated memory is still 182.5MB. Free memory was 136.8MB in the beginning and 98.7MB in the end (delta: 38.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-20 17:27:59,716 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:27:59,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.39ms. Allocated memory is still 182.5MB. Free memory was 136.4MB in the beginning and 126.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 17:27:59,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.14ms. Allocated memory is still 182.5MB. Free memory was 126.5MB in the beginning and 125.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:27:59,720 INFO L158 Benchmark]: Boogie Preprocessor took 18.65ms. Allocated memory is still 182.5MB. Free memory was 125.2MB in the beginning and 124.2MB in the end (delta: 969.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:27:59,721 INFO L158 Benchmark]: RCFGBuilder took 431.56ms. Allocated memory is still 182.5MB. Free memory was 123.8MB in the beginning and 111.8MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:27:59,722 INFO L158 Benchmark]: CodeCheck took 468.51ms. Allocated memory is still 182.5MB. Free memory was 111.8MB in the beginning and 100.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 17:27:59,724 INFO L158 Benchmark]: Witness Printer took 73.49ms. Allocated memory is still 182.5MB. Free memory was 100.4MB in the beginning and 98.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:27:59,729 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 2 procedures, 30 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 20]: integer overflow possible integer overflow possible We found a FailurePath: [L29] int m = __VERIFIER_nondet_int(); [L30] int n = __VERIFIER_nondet_int(); [L31] CALL addition(m,n) VAL [\old(m)=2147483647, \old(n)=1] [L16] COND FALSE !(n == 0) VAL [\old(m)=2147483647, \old(n)=1, m=2147483647, n=1] [L19] COND TRUE n > 0 VAL [\old(m)=2147483647, \old(n)=1, m=2147483647, n=1] [L20] m+1 VAL [\old(m)=2147483647, \old(n)=1, m=2147483647, n=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.39ms. Allocated memory is still 182.5MB. Free memory was 136.4MB in the beginning and 126.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.14ms. Allocated memory is still 182.5MB. Free memory was 126.5MB in the beginning and 125.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.65ms. Allocated memory is still 182.5MB. Free memory was 125.2MB in the beginning and 124.2MB in the end (delta: 969.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 431.56ms. Allocated memory is still 182.5MB. Free memory was 123.8MB in the beginning and 111.8MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 468.51ms. Allocated memory is still 182.5MB. Free memory was 111.8MB in the beginning and 100.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 73.49ms. Allocated memory is still 182.5MB. Free memory was 100.4MB in the beginning and 98.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 17:27:59,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b807cd23-afad-424b-b09f-218bc900be9e/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)