./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_04e2bbe7-d3a9-46df-a671-318227561e1d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2bbe7-d3a9-46df-a671-318227561e1d/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_04e2bbe7-d3a9-46df-a671-318227561e1d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2bbe7-d3a9-46df-a671-318227561e1d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2bbe7-d3a9-46df-a671-318227561e1d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2bbe7-d3a9-46df-a671-318227561e1d/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 32bit --witnessprinter.graph.data.programhash 3804d0a192f5a2112e31895b0bddee4dad38b32b4eea44b6f412da08ad9146bc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:26:00,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:26:00,170 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2bbe7-d3a9-46df-a671-318227561e1d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:26:00,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:26:00,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:26:00,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:26:00,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:26:00,203 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:26:00,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:26:00,205 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:26:00,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:26:00,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:26:00,206 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:26:00,207 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:26:00,208 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:26:00,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:26:00,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:26:00,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:26:00,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:26:00,211 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:26:00,211 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:26:00,219 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:26:00,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:26:00,220 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:26:00,221 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:26:00,222 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:26:00,223 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:26:00,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:26:00,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:26:00,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:26:00,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:26:00,226 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:26:00,226 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:26:00,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:26:00,227 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:26:00,227 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_04e2bbe7-d3a9-46df-a671-318227561e1d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2bbe7-d3a9-46df-a671-318227561e1d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3804d0a192f5a2112e31895b0bddee4dad38b32b4eea44b6f412da08ad9146bc [2023-11-19 03:26:00,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:26:00,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:26:00,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:26:00,496 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:26:00,496 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:26:00,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2bbe7-d3a9-46df-a671-318227561e1d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br.c [2023-11-19 03:26:03,658 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:26:03,939 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:26:03,940 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2bbe7-d3a9-46df-a671-318227561e1d/sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br.c [2023-11-19 03:26:03,947 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2bbe7-d3a9-46df-a671-318227561e1d/bin/ukojak-verify-G8NBE6pJGL/data/6d5bfe32c/97f99008fc094f0c8f06c486fc52ee07/FLAG6a09ddfae [2023-11-19 03:26:03,961 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2bbe7-d3a9-46df-a671-318227561e1d/bin/ukojak-verify-G8NBE6pJGL/data/6d5bfe32c/97f99008fc094f0c8f06c486fc52ee07 [2023-11-19 03:26:03,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:26:03,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:26:03,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:26:03,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:26:03,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:26:03,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:03" (1/1) ... [2023-11-19 03:26:03,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544bb921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:03, skipping insertion in model container [2023-11-19 03:26:03,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:03" (1/1) ... [2023-11-19 03:26:04,000 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:26:04,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:26:04,193 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:26:04,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:26:04,236 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:26:04,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:04 WrapperNode [2023-11-19 03:26:04,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:26:04,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:26:04,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:26:04,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:26:04,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:04" (1/1) ... [2023-11-19 03:26:04,256 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:04" (1/1) ... [2023-11-19 03:26:04,292 INFO L138 Inliner]: procedures = 16, calls = 87, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 86 [2023-11-19 03:26:04,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:26:04,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:26:04,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:26:04,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:26:04,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:04" (1/1) ... [2023-11-19 03:26:04,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:04" (1/1) ... [2023-11-19 03:26:04,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:04" (1/1) ... [2023-11-19 03:26:04,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:04" (1/1) ... [2023-11-19 03:26:04,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:04" (1/1) ... [2023-11-19 03:26:04,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:04" (1/1) ... [2023-11-19 03:26:04,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:04" (1/1) ... [2023-11-19 03:26:04,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:04" (1/1) ... [2023-11-19 03:26:04,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:26:04,347 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:26:04,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:26:04,347 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:26:04,348 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:04" (1/1) ... [2023-11-19 03:26:04,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:26:04,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2bbe7-d3a9-46df-a671-318227561e1d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:26:04,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2bbe7-d3a9-46df-a671-318227561e1d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:26:04,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2bbe7-d3a9-46df-a671-318227561e1d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:26:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:26:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_32_to_51_0 [2023-11-19 03:26:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_32_to_51_0 [2023-11-19 03:26:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:26:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:26:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:26:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:26:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:26:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:26:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:26:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:26:04,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:26:04,598 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:26:04,602 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:26:05,147 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:26:05,280 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:26:05,280 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:26:05,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:05 BoogieIcfgContainer [2023-11-19 03:26:05,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:26:05,290 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:26:05,290 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:26:05,300 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:26:05,302 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:05" (1/1) ... [2023-11-19 03:26:05,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:26:05,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:05,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 105 states and 112 transitions. [2023-11-19 03:26:05,387 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 112 transitions. [2023-11-19 03:26:05,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:26:05,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:05,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:26:06,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:26:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:26:06,789 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:26:06,818 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-19 03:26:06,820 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-19 03:26:06,821 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-19 03:26:06,822 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-19 03:26:06,823 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-19 03:26:06,823 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-19 03:26:06,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:26:06 ImpRootNode [2023-11-19 03:26:06,831 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:26:06,831 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:26:06,831 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:26:06,832 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:26:06,832 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:05" (3/4) ... [2023-11-19 03:26:06,836 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:26:06,847 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-19 03:26:06,852 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-19 03:26:06,853 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-19 03:26:06,854 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-19 03:26:06,859 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-19 03:26:06,859 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-19 03:26:06,913 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2bbe7-d3a9-46df-a671-318227561e1d/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:26:06,917 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:26:06,918 INFO L158 Benchmark]: Toolchain (without parser) took 2953.06ms. Allocated memory is still 146.8MB. Free memory was 115.0MB in the beginning and 88.1MB in the end (delta: 26.9MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2023-11-19 03:26:06,919 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:26:06,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.92ms. Allocated memory is still 146.8MB. Free memory was 114.7MB in the beginning and 103.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:26:06,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.25ms. Allocated memory is still 146.8MB. Free memory was 103.4MB in the beginning and 101.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:26:06,920 INFO L158 Benchmark]: Boogie Preprocessor took 51.61ms. Allocated memory is still 146.8MB. Free memory was 101.4MB in the beginning and 99.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:26:06,921 INFO L158 Benchmark]: RCFGBuilder took 942.00ms. Allocated memory is still 146.8MB. Free memory was 99.8MB in the beginning and 114.5MB in the end (delta: -14.6MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2023-11-19 03:26:06,922 INFO L158 Benchmark]: CodeCheck took 1540.74ms. Allocated memory is still 146.8MB. Free memory was 114.5MB in the beginning and 91.0MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:26:06,922 INFO L158 Benchmark]: Witness Printer took 86.21ms. Allocated memory is still 146.8MB. Free memory was 91.0MB in the beginning and 88.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:26:06,929 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 3 procedures, 105 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 53]: integer overflow possible integer overflow possible We found a FailurePath: [L99] int x; [L100] int y; [L101] int a; [L102] int b; [L103] int p; [L104] int q; [L105] x = __VERIFIER_nondet_int() [L106] y = __VERIFIER_nondet_int() [L107] EXPR \read(y) [L107] CALL assume_abort_if_not(y >= 1) [L23] COND FALSE !(!cond) [L107] RET assume_abort_if_not(y >= 1) [L108] EXPR \read(x) [L108] a = x [L109] EXPR \read(y) [L109] b = y [L110] p = 1 [L111] q = 0 VAL [a={7:0}, b={4:0}, p={5:0}, q={6:0}, x={47:0}, y={8:0}] [L112] CALL func_to_recursive_line_32_to_51_0(&a, &b, &y, &x, &q, &p) VAL [a={7:0}, b={4:0}, p={5:0}, q={6:0}, x={47:0}, y={8:0}] [L53] \read(*q) [L53] EXPR \read(*a) [L53] EXPR \read(*b) VAL [a={7:0}, a={7:0}, b={4:0}, b={4:0}, p={5:0}, p={5:0}, q={6:0}, q={6:0}, x={47:0}, x={47:0}, y={8:0}, y={8:0}] [L53] (*a) * (*b) VAL [a={7:0}, a={7:0}, b={4:0}, b={4:0}, p={5:0}, p={5:0}, q={6:0}, q={6:0}, x={47:0}, x={47:0}, y={8:0}, y={8:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.92ms. Allocated memory is still 146.8MB. Free memory was 114.7MB in the beginning and 103.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.25ms. Allocated memory is still 146.8MB. Free memory was 103.4MB in the beginning and 101.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.61ms. Allocated memory is still 146.8MB. Free memory was 101.4MB in the beginning and 99.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 942.00ms. Allocated memory is still 146.8MB. Free memory was 99.8MB in the beginning and 114.5MB in the end (delta: -14.6MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * CodeCheck took 1540.74ms. Allocated memory is still 146.8MB. Free memory was 114.5MB in the beginning and 91.0MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 86.21ms. Allocated memory is still 146.8MB. Free memory was 91.0MB in the beginning and 88.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 03:26:06,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2bbe7-d3a9-46df-a671-318227561e1d/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)