./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/prod4br-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_377c5e5a-02bb-4c5f-a5d1-e561b9f129f4/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c5e5a-02bb-4c5f-a5d1-e561b9f129f4/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_377c5e5a-02bb-4c5f-a5d1-e561b9f129f4/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c5e5a-02bb-4c5f-a5d1-e561b9f129f4/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/prod4br-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c5e5a-02bb-4c5f-a5d1-e561b9f129f4/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_377c5e5a-02bb-4c5f-a5d1-e561b9f129f4/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 139ac8fec1f7a664c70b93e53b58ce1cf1441525d0975d3b696da89c95b710b8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:06:47,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:06:47,428 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c5e5a-02bb-4c5f-a5d1-e561b9f129f4/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:06:47,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:06:47,434 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:06:47,457 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:06:47,458 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:06:47,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:06:47,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:06:47,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:06:47,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:06:47,462 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:06:47,463 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:06:47,463 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:06:47,464 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:06:47,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:06:47,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:06:47,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:06:47,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:06:47,467 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:06:47,468 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:06:47,468 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:06:47,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:06:47,469 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:06:47,470 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:06:47,470 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:06:47,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:06:47,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:06:47,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:06:47,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:06:47,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:06:47,473 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:06:47,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:06:47,474 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:06:47,474 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_377c5e5a-02bb-4c5f-a5d1-e561b9f129f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c5e5a-02bb-4c5f-a5d1-e561b9f129f4/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 139ac8fec1f7a664c70b93e53b58ce1cf1441525d0975d3b696da89c95b710b8 [2023-11-12 00:06:47,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:06:47,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:06:47,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:06:47,848 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:06:47,848 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:06:47,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c5e5a-02bb-4c5f-a5d1-e561b9f129f4/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-nla/prod4br-both-t.c [2023-11-12 00:06:50,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:06:51,177 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:06:51,178 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c5e5a-02bb-4c5f-a5d1-e561b9f129f4/sv-benchmarks/c/termination-nla/prod4br-both-t.c [2023-11-12 00:06:51,185 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c5e5a-02bb-4c5f-a5d1-e561b9f129f4/bin/ukojak-verify-0OAaufAVZV/data/678fd2119/a3b8ee1c490447b4acfe6465a0d5a664/FLAG2f02a3970 [2023-11-12 00:06:51,200 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c5e5a-02bb-4c5f-a5d1-e561b9f129f4/bin/ukojak-verify-0OAaufAVZV/data/678fd2119/a3b8ee1c490447b4acfe6465a0d5a664 [2023-11-12 00:06:51,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:06:51,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:06:51,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:06:51,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:06:51,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:06:51,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:06:51" (1/1) ... [2023-11-12 00:06:51,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@438a4dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:51, skipping insertion in model container [2023-11-12 00:06:51,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:06:51" (1/1) ... [2023-11-12 00:06:51,240 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:06:51,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:06:51,401 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:06:51,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:06:51,447 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:06:51,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:51 WrapperNode [2023-11-12 00:06:51,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:06:51,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:06:51,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:06:51,450 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:06:51,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:51" (1/1) ... [2023-11-12 00:06:51,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:51" (1/1) ... [2023-11-12 00:06:51,515 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 91 [2023-11-12 00:06:51,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:06:51,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:06:51,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:06:51,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:06:51,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:51" (1/1) ... [2023-11-12 00:06:51,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:51" (1/1) ... [2023-11-12 00:06:51,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:51" (1/1) ... [2023-11-12 00:06:51,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:51" (1/1) ... [2023-11-12 00:06:51,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:51" (1/1) ... [2023-11-12 00:06:51,537 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:51" (1/1) ... [2023-11-12 00:06:51,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:51" (1/1) ... [2023-11-12 00:06:51,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:51" (1/1) ... [2023-11-12 00:06:51,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:06:51,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:06:51,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:06:51,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:06:51,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:51" (1/1) ... [2023-11-12 00:06:51,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:06:51,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c5e5a-02bb-4c5f-a5d1-e561b9f129f4/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:06:51,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c5e5a-02bb-4c5f-a5d1-e561b9f129f4/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:06:51,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c5e5a-02bb-4c5f-a5d1-e561b9f129f4/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:06:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:06:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:06:51,709 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:06:51,711 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:06:52,143 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:06:52,160 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:06:52,161 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:06:52,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:06:52 BoogieIcfgContainer [2023-11-12 00:06:52,164 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:06:52,165 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:06:52,165 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:06:52,175 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:06:52,176 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:06:52" (1/1) ... [2023-11-12 00:06:52,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:06:52,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:52,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 95 states and 101 transitions. [2023-11-12 00:06:52,244 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 101 transitions. [2023-11-12 00:06:52,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:06:52,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:52,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:52,403 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 00:06:52,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:52,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 98 states and 108 transitions. [2023-11-12 00:06:52,452 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 108 transitions. [2023-11-12 00:06:52,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:06:52,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:52,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:52,512 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 00:06:52,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:52,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 102 states and 116 transitions. [2023-11-12 00:06:52,668 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 116 transitions. [2023-11-12 00:06:52,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:06:52,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:52,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:06:52,696 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:06:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:06:52,727 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-12 00:06:52,767 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2 could not be translated [2023-11-12 00:06:52,770 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2 could not be translated [2023-11-12 00:06:52,770 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2 could not be translated [2023-11-12 00:06:52,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:06:52 ImpRootNode [2023-11-12 00:06:52,775 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:06:52,776 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:06:52,776 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:06:52,776 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:06:52,777 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:06:52" (3/4) ... [2023-11-12 00:06:52,777 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-12 00:06:52,784 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2 could not be translated [2023-11-12 00:06:52,785 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2 could not be translated [2023-11-12 00:06:52,785 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2 could not be translated [2023-11-12 00:06:52,830 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c5e5a-02bb-4c5f-a5d1-e561b9f129f4/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:06:52,831 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:06:52,832 INFO L158 Benchmark]: Toolchain (without parser) took 1627.51ms. Allocated memory is still 165.7MB. Free memory was 131.6MB in the beginning and 96.4MB in the end (delta: 35.2MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2023-11-12 00:06:52,832 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 115.3MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:06:52,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.37ms. Allocated memory is still 165.7MB. Free memory was 131.6MB in the beginning and 121.8MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 00:06:52,836 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.76ms. Allocated memory is still 165.7MB. Free memory was 121.8MB in the beginning and 119.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:06:52,836 INFO L158 Benchmark]: Boogie Preprocessor took 25.11ms. Allocated memory is still 165.7MB. Free memory was 119.7MB in the beginning and 118.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:06:52,837 INFO L158 Benchmark]: RCFGBuilder took 621.21ms. Allocated memory is still 165.7MB. Free memory was 118.3MB in the beginning and 122.4MB in the end (delta: -4.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:06:52,837 INFO L158 Benchmark]: CodeCheck took 610.41ms. Allocated memory is still 165.7MB. Free memory was 122.4MB in the beginning and 98.5MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-12 00:06:52,839 INFO L158 Benchmark]: Witness Printer took 55.18ms. Allocated memory is still 165.7MB. Free memory was 98.5MB in the beginning and 96.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:06:52,841 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, 95 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 18 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 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, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 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: 39]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x, y; [L21] int a, b, p, q; [L23] x = __VERIFIER_nondet_int() [L24] y = __VERIFIER_nondet_int() [L27] COND FALSE !(y < 1) [L31] a = x [L32] b = y [L33] p = 1 [L34] q = 0 VAL [a=-3, b=715827883, p=1, q=0, x=-3, y=715827883] [L36] COND TRUE 1 [L39] a != 0 && b + q + a * b * p - x * y != 0 VAL [a=-3, b=715827883, p=1, q=0, x=-3, y=715827883] [L39] b + q VAL [a=-3, b=715827883, p=1, q=0, x=-3, y=715827883] [L39] a * b VAL [a=-3, b=715827883, p=1, q=0, x=-3, y=715827883] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 115.3MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.37ms. Allocated memory is still 165.7MB. Free memory was 131.6MB in the beginning and 121.8MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.76ms. Allocated memory is still 165.7MB. Free memory was 121.8MB in the beginning and 119.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.11ms. Allocated memory is still 165.7MB. Free memory was 119.7MB in the beginning and 118.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 621.21ms. Allocated memory is still 165.7MB. Free memory was 118.3MB in the beginning and 122.4MB in the end (delta: -4.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 610.41ms. Allocated memory is still 165.7MB. Free memory was 122.4MB in the beginning and 98.5MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 55.18ms. Allocated memory is still 165.7MB. Free memory was 98.5MB in the beginning and 96.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 00:06:52,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c5e5a-02bb-4c5f-a5d1-e561b9f129f4/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)