./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark12_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_efd2da48-2099-44ea-b30a-a20c2407a90e/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd2da48-2099-44ea-b30a-a20c2407a90e/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd2da48-2099-44ea-b30a-a20c2407a90e/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd2da48-2099-44ea-b30a-a20c2407a90e/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark12_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd2da48-2099-44ea-b30a-a20c2407a90e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd2da48-2099-44ea-b30a-a20c2407a90e/bin/ukojak-verify-0OAaufAVZV --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 b17ee119bef1fd8cd5134a7af55c483345112c89dff1a376575e65f669f9d0d6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:02:44,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:02:45,008 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd2da48-2099-44ea-b30a-a20c2407a90e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:02:45,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:02:45,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:02:45,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:02:45,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:02:45,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:02:45,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:02:45,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:02:45,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:02:45,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:02:45,053 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:02:45,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:02:45,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:02:45,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:02:45,055 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:02:45,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:02:45,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:02:45,057 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:02:45,058 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:02:45,061 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:02:45,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:02:45,063 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:02:45,063 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:02:45,064 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:02:45,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:02:45,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:45,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:02:45,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:02:45,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:02:45,067 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:02:45,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:02:45,068 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:02:45,068 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_efd2da48-2099-44ea-b30a-a20c2407a90e/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd2da48-2099-44ea-b30a-a20c2407a90e/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b17ee119bef1fd8cd5134a7af55c483345112c89dff1a376575e65f669f9d0d6 [2023-11-12 00:02:45,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:02:45,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:02:45,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:02:45,389 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:02:45,390 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:02:45,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd2da48-2099-44ea-b30a-a20c2407a90e/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/loop-zilu/benchmark12_linear.i [2023-11-12 00:02:48,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:02:48,723 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:02:48,723 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd2da48-2099-44ea-b30a-a20c2407a90e/sv-benchmarks/c/loop-zilu/benchmark12_linear.i [2023-11-12 00:02:48,730 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd2da48-2099-44ea-b30a-a20c2407a90e/bin/ukojak-verify-0OAaufAVZV/data/ed47603b1/df568f83d83a4ee6be16424aacf86808/FLAG8d1edd193 [2023-11-12 00:02:48,744 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd2da48-2099-44ea-b30a-a20c2407a90e/bin/ukojak-verify-0OAaufAVZV/data/ed47603b1/df568f83d83a4ee6be16424aacf86808 [2023-11-12 00:02:48,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:02:48,749 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:02:48,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:48,750 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:02:48,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:02:48,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:48" (1/1) ... [2023-11-12 00:02:48,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5ab72b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:48, skipping insertion in model container [2023-11-12 00:02:48,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:48" (1/1) ... [2023-11-12 00:02:48,777 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:02:48,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:48,966 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:02:48,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:49,004 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:02:49,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:49 WrapperNode [2023-11-12 00:02:49,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:49,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:49,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:02:49,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:02:49,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:49" (1/1) ... [2023-11-12 00:02:49,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:49" (1/1) ... [2023-11-12 00:02:49,037 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-11-12 00:02:49,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:49,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:02:49,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:02:49,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:02:49,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:49" (1/1) ... [2023-11-12 00:02:49,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:49" (1/1) ... [2023-11-12 00:02:49,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:49" (1/1) ... [2023-11-12 00:02:49,049 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:49" (1/1) ... [2023-11-12 00:02:49,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:49" (1/1) ... [2023-11-12 00:02:49,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:49" (1/1) ... [2023-11-12 00:02:49,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:49" (1/1) ... [2023-11-12 00:02:49,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:49" (1/1) ... [2023-11-12 00:02:49,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:02:49,068 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:02:49,068 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:02:49,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:02:49,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:49" (1/1) ... [2023-11-12 00:02:49,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:49,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd2da48-2099-44ea-b30a-a20c2407a90e/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:02:49,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd2da48-2099-44ea-b30a-a20c2407a90e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:02:49,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd2da48-2099-44ea-b30a-a20c2407a90e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:02:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:02:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:02:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:02:49,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:02:49,216 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:02:49,218 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:02:49,370 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:02:49,436 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:02:49,449 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:02:49,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:49 BoogieIcfgContainer [2023-11-12 00:02:49,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:02:49,454 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:02:49,455 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:02:49,466 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:02:49,466 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:49" (1/1) ... [2023-11-12 00:02:49,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:02:49,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:49,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2023-11-12 00:02:49,552 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2023-11-12 00:02:49,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:02:49,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:49,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:49,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:49,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:49,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2023-11-12 00:02:49,983 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2023-11-12 00:02:49,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:02:49,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:49,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:02:49,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:02:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:02:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:02:50,041 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:02:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:02:50,054 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-12 00:02:50,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:02:50 ImpRootNode [2023-11-12 00:02:50,074 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:02:50,075 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:02:50,075 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:02:50,075 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:02:50,076 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:49" (3/4) ... [2023-11-12 00:02:50,077 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-12 00:02:50,113 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd2da48-2099-44ea-b30a-a20c2407a90e/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:02:50,113 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:02:50,114 INFO L158 Benchmark]: Toolchain (without parser) took 1364.71ms. Allocated memory is still 130.0MB. Free memory was 87.0MB in the beginning and 91.9MB in the end (delta: -4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:02:50,114 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 130.0MB. Free memory was 104.0MB in the beginning and 103.8MB in the end (delta: 202.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:02:50,115 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.59ms. Allocated memory is still 130.0MB. Free memory was 86.8MB in the beginning and 76.5MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:02:50,116 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.65ms. Allocated memory is still 130.0MB. Free memory was 76.5MB in the beginning and 75.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:02:50,116 INFO L158 Benchmark]: Boogie Preprocessor took 28.85ms. Allocated memory is still 130.0MB. Free memory was 75.4MB in the beginning and 74.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:02:50,117 INFO L158 Benchmark]: RCFGBuilder took 385.41ms. Allocated memory is still 130.0MB. Free memory was 74.3MB in the beginning and 62.8MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:02:50,117 INFO L158 Benchmark]: CodeCheck took 620.63ms. Allocated memory is still 130.0MB. Free memory was 62.8MB in the beginning and 93.4MB in the end (delta: -30.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:02:50,118 INFO L158 Benchmark]: Witness Printer took 37.89ms. Allocated memory is still 130.0MB. Free memory was 93.4MB in the beginning and 91.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:02:50,121 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 1 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 8 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 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: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] int t = __VERIFIER_nondet_int(); [L23] COND FALSE !(!(x!=y && y==t)) VAL [t=1, x=2147483647, y=1] [L24] COND TRUE __VERIFIER_nondet_bool() [L25] COND TRUE x>0 VAL [t=1, x=2147483647, y=1] [L25] y+x VAL [t=1, x=2147483647, y=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 130.0MB. Free memory was 104.0MB in the beginning and 103.8MB in the end (delta: 202.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.59ms. Allocated memory is still 130.0MB. Free memory was 86.8MB in the beginning and 76.5MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.65ms. Allocated memory is still 130.0MB. Free memory was 76.5MB in the beginning and 75.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.85ms. Allocated memory is still 130.0MB. Free memory was 75.4MB in the beginning and 74.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 385.41ms. Allocated memory is still 130.0MB. Free memory was 74.3MB in the beginning and 62.8MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 620.63ms. Allocated memory is still 130.0MB. Free memory was 62.8MB in the beginning and 93.4MB in the end (delta: -30.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 37.89ms. Allocated memory is still 130.0MB. Free memory was 93.4MB in the beginning and 91.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 00:02:50,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd2da48-2099-44ea-b30a-a20c2407a90e/bin/ukojak-verify-0OAaufAVZV/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)