./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive/Addition02WithOverflowBug.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_c185f1b3-2ab2-4982-ac1b-29aac1fe5cbd/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c185f1b3-2ab2-4982-ac1b-29aac1fe5cbd/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c185f1b3-2ab2-4982-ac1b-29aac1fe5cbd/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c185f1b3-2ab2-4982-ac1b-29aac1fe5cbd/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/Addition02WithOverflowBug.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c185f1b3-2ab2-4982-ac1b-29aac1fe5cbd/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c185f1b3-2ab2-4982-ac1b-29aac1fe5cbd/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --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 4dc17171ab7e1d3edd86dad6d65587aa7dd0f9060f526fa057c22f6fe741258c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:34:09,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:34:09,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c185f1b3-2ab2-4982-ac1b-29aac1fe5cbd/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:34:09,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:34:09,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:34:09,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:34:09,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:34:09,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:34:09,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:34:09,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:34:09,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:34:09,933 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:34:09,934 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:34:09,934 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:34:09,935 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:34:09,936 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:34:09,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:34:09,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:34:09,937 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:34:09,938 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:34:09,939 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:34:09,940 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:34:09,940 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:34:09,941 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:34:09,941 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:34:09,942 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:34:09,942 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:34:09,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:34:09,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:09,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:34:09,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:34:09,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:34:09,947 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:34:09,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:34:09,947 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:34:09,948 INFO L153 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_c185f1b3-2ab2-4982-ac1b-29aac1fe5cbd/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c185f1b3-2ab2-4982-ac1b-29aac1fe5cbd/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dc17171ab7e1d3edd86dad6d65587aa7dd0f9060f526fa057c22f6fe741258c [2023-11-21 18:34:10,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:34:10,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:34:10,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:34:10,273 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:34:10,274 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:34:10,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c185f1b3-2ab2-4982-ac1b-29aac1fe5cbd/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/recursive/Addition02WithOverflowBug.c [2023-11-21 18:34:13,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:34:13,768 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:34:13,768 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c185f1b3-2ab2-4982-ac1b-29aac1fe5cbd/sv-benchmarks/c/recursive/Addition02WithOverflowBug.c [2023-11-21 18:34:13,777 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c185f1b3-2ab2-4982-ac1b-29aac1fe5cbd/bin/ukojak-verify-i0I2FZA1j2/data/bf43a1e90/debd192cef9e429abc7e24874b80c0eb/FLAG245ebd830 [2023-11-21 18:34:13,796 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c185f1b3-2ab2-4982-ac1b-29aac1fe5cbd/bin/ukojak-verify-i0I2FZA1j2/data/bf43a1e90/debd192cef9e429abc7e24874b80c0eb [2023-11-21 18:34:13,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:34:13,806 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:34:13,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:13,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:34:13,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:34:13,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:13" (1/1) ... [2023-11-21 18:34:13,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b506d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:13, skipping insertion in model container [2023-11-21 18:34:13,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:13" (1/1) ... [2023-11-21 18:34:13,844 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:34:14,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:14,040 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:34:14,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:14,070 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:34:14,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:14 WrapperNode [2023-11-21 18:34:14,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:14,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:14,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:34:14,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:34:14,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:14" (1/1) ... [2023-11-21 18:34:14,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:14" (1/1) ... [2023-11-21 18:34:14,107 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2023-11-21 18:34:14,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:14,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:34:14,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:34:14,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:34:14,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:14" (1/1) ... [2023-11-21 18:34:14,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:14" (1/1) ... [2023-11-21 18:34:14,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:14" (1/1) ... [2023-11-21 18:34:14,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:14" (1/1) ... [2023-11-21 18:34:14,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:14" (1/1) ... [2023-11-21 18:34:14,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:14" (1/1) ... [2023-11-21 18:34:14,128 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:14" (1/1) ... [2023-11-21 18:34:14,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:14" (1/1) ... [2023-11-21 18:34:14,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:34:14,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:34:14,132 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:34:14,132 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:34:14,133 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:14" (1/1) ... [2023-11-21 18:34:14,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:14,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c185f1b3-2ab2-4982-ac1b-29aac1fe5cbd/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:34:14,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c185f1b3-2ab2-4982-ac1b-29aac1fe5cbd/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:34:14,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c185f1b3-2ab2-4982-ac1b-29aac1fe5cbd/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:34:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:34:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:34:14,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:34:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:34:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2023-11-21 18:34:14,212 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2023-11-21 18:34:14,278 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:34:14,280 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:34:14,474 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:34:14,528 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:34:14,528 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:34:14,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:14 BoogieIcfgContainer [2023-11-21 18:34:14,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:34:14,537 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:34:14,537 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:34:14,548 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:34:14,549 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:14" (1/1) ... [2023-11-21 18:34:14,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:34:14,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:14,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2023-11-21 18:34:14,624 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2023-11-21 18:34:14,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:34:14,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:14,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:14,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:14,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:14,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 46 transitions. [2023-11-21 18:34:14,999 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-11-21 18:34:15,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:34:15,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:15,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:34:15,023 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:34:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:34:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:34:15,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:34:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:34:15,096 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-21 18:34:15,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:34:15 ImpRootNode [2023-11-21 18:34:15,122 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:34:15,123 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:34:15,124 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:34:15,124 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:34:15,125 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:14" (3/4) ... [2023-11-21 18:34:15,126 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 18:34:15,167 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c185f1b3-2ab2-4982-ac1b-29aac1fe5cbd/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:34:15,167 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:34:15,180 INFO L158 Benchmark]: Toolchain (without parser) took 1362.21ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 77.2MB in the beginning and 141.4MB in the end (delta: -64.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:34:15,181 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 138.4MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:34:15,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.86ms. Allocated memory is still 138.4MB. Free memory was 77.2MB in the beginning and 66.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:34:15,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.12ms. Allocated memory is still 138.4MB. Free memory was 66.7MB in the beginning and 65.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:34:15,190 INFO L158 Benchmark]: Boogie Preprocessor took 22.12ms. Allocated memory is still 138.4MB. Free memory was 65.2MB in the beginning and 64.6MB in the end (delta: 559.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:34:15,192 INFO L158 Benchmark]: RCFGBuilder took 399.06ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 64.1MB in the beginning and 164.4MB in the end (delta: -100.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2023-11-21 18:34:15,192 INFO L158 Benchmark]: CodeCheck took 585.79ms. Allocated memory is still 195.0MB. Free memory was 164.4MB in the beginning and 143.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:34:15,193 INFO L158 Benchmark]: Witness Printer took 43.87ms. Allocated memory is still 195.0MB. Free memory was 143.5MB in the beginning and 141.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:34:15,204 INFO L338 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, 34 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 10 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 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: 23]: 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)=-2147483648, \old(n)=-1] [L16] COND FALSE !(n == 0) VAL [\old(m)=-2147483648, \old(n)=-1, m=-2147483648, n=-1] [L19] COND FALSE !(n > 0) VAL [\old(m)=-2147483648, \old(n)=-1, m=-2147483648, n=-1] [L22] COND TRUE n < 0 VAL [\old(m)=-2147483648, \old(n)=-1, m=-2147483648, n=-1] [L23] m-1 VAL [\old(m)=-2147483648, \old(n)=-1, m=-2147483648, n=-1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 138.4MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.86ms. Allocated memory is still 138.4MB. Free memory was 77.2MB in the beginning and 66.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.12ms. Allocated memory is still 138.4MB. Free memory was 66.7MB in the beginning and 65.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.12ms. Allocated memory is still 138.4MB. Free memory was 65.2MB in the beginning and 64.6MB in the end (delta: 559.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 399.06ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 64.1MB in the beginning and 164.4MB in the end (delta: -100.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * CodeCheck took 585.79ms. Allocated memory is still 195.0MB. Free memory was 164.4MB in the beginning and 143.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 43.87ms. Allocated memory is still 195.0MB. Free memory was 143.5MB in the beginning and 141.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-21 18:34:15,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c185f1b3-2ab2-4982-ac1b-29aac1fe5cbd/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)