./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Pure3Phase-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_343f295c-8061-4822-9211-047b23a4cc09/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343f295c-8061-4822-9211-047b23a4cc09/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343f295c-8061-4822-9211-047b23a4cc09/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343f295c-8061-4822-9211-047b23a4cc09/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Pure3Phase-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343f295c-8061-4822-9211-047b23a4cc09/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343f295c-8061-4822-9211-047b23a4cc09/bin/ukojak-verify-G8NBE6pJGL --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 64bit --witnessprinter.graph.data.programhash 65bf51258db9d1060ac04f6eb447a3edfae2476b23881e44c2b30493b7b492fc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:40:37,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:40:37,463 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343f295c-8061-4822-9211-047b23a4cc09/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:40:37,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:40:37,468 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:40:37,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:40:37,509 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:40:37,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:40:37,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:40:37,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:40:37,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:40:37,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:40:37,513 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:40:37,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:40:37,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:40:37,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:40:37,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:40:37,516 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:40:37,517 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:40:37,517 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:40:37,518 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:40:37,519 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:40:37,519 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:40:37,519 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:40:37,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:40:37,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:37,521 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:40:37,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:40:37,522 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:40:37,532 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:40:37,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:40:37,533 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:40:37,533 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_343f295c-8061-4822-9211-047b23a4cc09/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343f295c-8061-4822-9211-047b23a4cc09/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65bf51258db9d1060ac04f6eb447a3edfae2476b23881e44c2b30493b7b492fc [2023-11-19 03:40:37,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:40:37,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:40:37,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:40:37,879 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:40:37,880 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:40:37,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343f295c-8061-4822-9211-047b23a4cc09/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-crafted/Pure3Phase-2.c [2023-11-19 03:40:41,105 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:40:41,338 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:40:41,339 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343f295c-8061-4822-9211-047b23a4cc09/sv-benchmarks/c/termination-crafted/Pure3Phase-2.c [2023-11-19 03:40:41,349 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343f295c-8061-4822-9211-047b23a4cc09/bin/ukojak-verify-G8NBE6pJGL/data/adbf20e90/9319f43a08a74775899f3d4ee0780d85/FLAG85a508351 [2023-11-19 03:40:41,372 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343f295c-8061-4822-9211-047b23a4cc09/bin/ukojak-verify-G8NBE6pJGL/data/adbf20e90/9319f43a08a74775899f3d4ee0780d85 [2023-11-19 03:40:41,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:40:41,377 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:40:41,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:41,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:40:41,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:40:41,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@422e71cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41, skipping insertion in model container [2023-11-19 03:40:41,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,410 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:40:41,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:41,600 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:40:41,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:41,633 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:40:41,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41 WrapperNode [2023-11-19 03:40:41,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:41,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:41,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:40:41,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:40:41,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,670 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2023-11-19 03:40:41,670 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:41,671 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:40:41,671 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:40:41,671 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:40:41,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,682 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,682 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,690 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,692 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:40:41,693 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:40:41,693 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:40:41,694 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:40:41,695 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:41" (1/1) ... [2023-11-19 03:40:41,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:41,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343f295c-8061-4822-9211-047b23a4cc09/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:40:41,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343f295c-8061-4822-9211-047b23a4cc09/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:40:41,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343f295c-8061-4822-9211-047b23a4cc09/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:40:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:40:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:40:41,936 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:40:41,938 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:40:42,048 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:40:42,071 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:40:42,072 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:40:42,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:42 BoogieIcfgContainer [2023-11-19 03:40:42,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:40:42,077 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:40:42,077 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:40:42,086 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:40:42,086 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:42" (1/1) ... [2023-11-19 03:40:42,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:40:42,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:42,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2023-11-19 03:40:42,147 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2023-11-19 03:40:42,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:40:42,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:42,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:42,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:40:42,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:42,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2023-11-19 03:40:42,429 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-11-19 03:40:42,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:40:42,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:42,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:42,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:40:42,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:42,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2023-11-19 03:40:42,820 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2023-11-19 03:40:42,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:40:42,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:42,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:42,847 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:40:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:42,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:40:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:42,916 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-19 03:40:42,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:40:42 ImpRootNode [2023-11-19 03:40:42,947 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:40:42,948 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:40:42,948 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:40:42,949 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:40:42,949 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:42" (3/4) ... [2023-11-19 03:40:42,950 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:40:43,014 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343f295c-8061-4822-9211-047b23a4cc09/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:40:43,014 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:40:43,015 INFO L158 Benchmark]: Toolchain (without parser) took 1637.80ms. Allocated memory is still 169.9MB. Free memory was 105.4MB in the beginning and 101.9MB in the end (delta: 3.5MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2023-11-19 03:40:43,015 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 169.9MB. Free memory is still 144.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:43,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.21ms. Allocated memory is still 169.9MB. Free memory was 105.2MB in the beginning and 95.5MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:40:43,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.12ms. Allocated memory is still 169.9MB. Free memory was 95.5MB in the beginning and 94.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:40:43,017 INFO L158 Benchmark]: Boogie Preprocessor took 21.62ms. Allocated memory is still 169.9MB. Free memory was 94.1MB in the beginning and 93.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:43,017 INFO L158 Benchmark]: RCFGBuilder took 383.20ms. Allocated memory is still 169.9MB. Free memory was 93.1MB in the beginning and 132.7MB in the end (delta: -39.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:40:43,018 INFO L158 Benchmark]: CodeCheck took 870.07ms. Allocated memory is still 169.9MB. Free memory was 132.7MB in the beginning and 103.3MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 03:40:43,019 INFO L158 Benchmark]: Witness Printer took 65.85ms. Allocated memory is still 169.9MB. Free memory was 103.3MB in the beginning and 101.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:40:43,030 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, 20 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 14 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s 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, 3 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 27]: integer overflow possible integer overflow possible We found a FailurePath: [L19] int x, y, z; [L20] x = __VERIFIER_nondet_int() [L21] y = __VERIFIER_nondet_int() [L22] z = __VERIFIER_nondet_int() [L23] COND TRUE x >= 0 [L24] COND FALSE !(__VERIFIER_nondet_int() != 0) [L27] x + z VAL [x=2147483647, y=0, z=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 169.9MB. Free memory is still 144.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.21ms. Allocated memory is still 169.9MB. Free memory was 105.2MB in the beginning and 95.5MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.12ms. Allocated memory is still 169.9MB. Free memory was 95.5MB in the beginning and 94.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.62ms. Allocated memory is still 169.9MB. Free memory was 94.1MB in the beginning and 93.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 383.20ms. Allocated memory is still 169.9MB. Free memory was 93.1MB in the beginning and 132.7MB in the end (delta: -39.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 870.07ms. Allocated memory is still 169.9MB. Free memory was 132.7MB in the beginning and 103.3MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 65.85ms. Allocated memory is still 169.9MB. Free memory was 103.3MB in the beginning and 101.9MB 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! [2023-11-19 03:40:43,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_343f295c-8061-4822-9211-047b23a4cc09/bin/ukojak-verify-G8NBE6pJGL/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)