./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/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_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/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_df58cfc4-ba47-4207-9607-0c568dbae29c/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 e32ea3d9121f87af2c39b08d496f1c5082254565bdbb6379132391321e440a01 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:49:27,510 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:49:27,657 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 02:49:27,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:49:27,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:49:27,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:49:27,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:49:27,714 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:49:27,715 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:49:27,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:49:27,721 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:49:27,722 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:49:27,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:49:27,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:49:27,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:49:27,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:49:27,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:49:27,726 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:49:27,727 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:49:27,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:49:27,728 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:49:27,729 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:49:27,729 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:49:27,730 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:49:27,731 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:49:27,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:27,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:49:27,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:49:27,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:49:27,734 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:49:27,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:49:27,736 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:49:27,736 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_df58cfc4-ba47-4207-9607-0c568dbae29c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e32ea3d9121f87af2c39b08d496f1c5082254565bdbb6379132391321e440a01 [2023-11-19 02:49:28,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:49:28,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:49:28,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:49:28,104 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:49:28,105 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:49:28,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_41_bad.i [2023-11-19 02:49:31,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:49:31,673 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:49:31,674 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_41_bad.i [2023-11-19 02:49:31,702 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/data/95a24f8f8/1062918bbc914d39ac585faa87bf47e4/FLAGc2ffaa51c [2023-11-19 02:49:31,719 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/data/95a24f8f8/1062918bbc914d39ac585faa87bf47e4 [2023-11-19 02:49:31,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:49:31,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:49:31,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:31,724 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:49:31,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:49:31,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:31" (1/1) ... [2023-11-19 02:49:31,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7012f4a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:31, skipping insertion in model container [2023-11-19 02:49:31,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:31" (1/1) ... [2023-11-19 02:49:31,792 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:49:32,215 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:49:32,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:32,965 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:49:33,005 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:49:33,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:33,308 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:49:33,308 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:49:33,308 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:49:33,308 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:49:33,309 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:49:33,318 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:49:33,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:33 WrapperNode [2023-11-19 02:49:33,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:33,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:33,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:49:33,321 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:49:33,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:33" (1/1) ... [2023-11-19 02:49:33,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:33" (1/1) ... [2023-11-19 02:49:33,415 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 91 [2023-11-19 02:49:33,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:33,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:49:33,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:49:33,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:49:33,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:33" (1/1) ... [2023-11-19 02:49:33,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:33" (1/1) ... [2023-11-19 02:49:33,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:33" (1/1) ... [2023-11-19 02:49:33,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:33" (1/1) ... [2023-11-19 02:49:33,444 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:33" (1/1) ... [2023-11-19 02:49:33,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:33" (1/1) ... [2023-11-19 02:49:33,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:33" (1/1) ... [2023-11-19 02:49:33,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:33" (1/1) ... [2023-11-19 02:49:33,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:49:33,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:49:33,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:49:33,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:49:33,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:33" (1/1) ... [2023-11-19 02:49:33,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:33,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:49:33,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:49:33,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:49:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:49:33,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:49:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:49:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:49:33,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:49:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:49:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:49:33,705 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:49:33,707 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:49:33,967 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:49:34,322 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:49:34,322 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:49:34,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:34 BoogieIcfgContainer [2023-11-19 02:49:34,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:49:34,329 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:49:34,329 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:49:34,339 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:49:34,342 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:34" (1/1) ... [2023-11-19 02:49:34,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:49:34,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:34,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 02:49:34,429 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 02:49:34,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:49:34,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:34,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:35,106 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 02:49:35,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:35,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-19 02:49:35,193 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-19 02:49:35,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:49:35,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:35,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:49:35,416 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:49:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:49:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:49:35,620 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:49:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:49:35,672 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 02:49:35,711 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated [2023-11-19 02:49:35,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:49:35 ImpRootNode [2023-11-19 02:49:35,718 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:49:35,719 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:49:35,719 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:49:35,719 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:49:35,720 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:34" (3/4) ... [2023-11-19 02:49:35,728 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:49:35,730 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:49:35,731 INFO L158 Benchmark]: Toolchain (without parser) took 4007.83ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 110.5MB in the beginning and 102.5MB in the end (delta: 8.0MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2023-11-19 02:49:35,732 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 155.2MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:49:35,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1595.12ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 110.0MB in the beginning and 133.7MB in the end (delta: -23.7MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2023-11-19 02:49:35,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.80ms. Allocated memory is still 186.6MB. Free memory was 133.7MB in the beginning and 130.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:49:35,735 INFO L158 Benchmark]: Boogie Preprocessor took 39.21ms. Allocated memory is still 186.6MB. Free memory was 130.5MB in the beginning and 129.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:49:35,736 INFO L158 Benchmark]: RCFGBuilder took 870.73ms. Allocated memory is still 186.6MB. Free memory was 129.5MB in the beginning and 91.7MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-19 02:49:35,737 INFO L158 Benchmark]: CodeCheck took 1389.78ms. Allocated memory is still 186.6MB. Free memory was 91.7MB in the beginning and 102.5MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:49:35,742 INFO L158 Benchmark]: Witness Printer took 10.99ms. Allocated memory is still 186.6MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:49:35,750 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1560. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE190_Integer_Overflow__int_rand_postinc_41_bad() [L1558] int data; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1560] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL badSink(data) [L1551] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 155.2MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1595.12ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 110.0MB in the beginning and 133.7MB in the end (delta: -23.7MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.80ms. Allocated memory is still 186.6MB. Free memory was 133.7MB in the beginning and 130.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.21ms. Allocated memory is still 186.6MB. Free memory was 130.5MB in the beginning and 129.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 870.73ms. Allocated memory is still 186.6MB. Free memory was 129.5MB in the beginning and 91.7MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 1389.78ms. Allocated memory is still 186.6MB. Free memory was 91.7MB in the beginning and 102.5MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.99ms. Allocated memory is still 186.6MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:49:35,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/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_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/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 e32ea3d9121f87af2c39b08d496f1c5082254565bdbb6379132391321e440a01 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:49:38,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:49:38,611 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 02:49:38,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:49:38,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:49:38,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:49:38,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:49:38,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:49:38,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:49:38,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:49:38,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:49:38,655 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:49:38,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:49:38,660 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:49:38,660 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:49:38,661 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:49:38,662 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:49:38,662 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:49:38,663 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:49:38,664 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:49:38,664 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:49:38,665 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:49:38,665 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:49:38,666 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:49:38,666 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:49:38,667 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:49:38,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:49:38,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:38,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:49:38,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:49:38,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:49:38,670 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:49:38,670 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:49:38,670 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:49:38,671 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:49:38,671 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:49:38,671 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_df58cfc4-ba47-4207-9607-0c568dbae29c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e32ea3d9121f87af2c39b08d496f1c5082254565bdbb6379132391321e440a01 [2023-11-19 02:49:39,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:49:39,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:49:39,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:49:39,082 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:49:39,083 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:49:39,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_41_bad.i [2023-11-19 02:49:42,284 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:49:42,771 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:49:42,771 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_41_bad.i [2023-11-19 02:49:42,812 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/data/deecba787/5240348f81e74f968260b918dd8d157c/FLAGc9936d10a [2023-11-19 02:49:42,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/data/deecba787/5240348f81e74f968260b918dd8d157c [2023-11-19 02:49:42,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:49:42,844 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:49:42,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:42,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:49:42,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:49:42,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:42" (1/1) ... [2023-11-19 02:49:42,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320451dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:42, skipping insertion in model container [2023-11-19 02:49:42,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:42" (1/1) ... [2023-11-19 02:49:42,998 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:49:43,544 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:49:44,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:44,179 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:49:44,206 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:49:44,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:44,522 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:49:44,522 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:49:44,523 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:49:44,523 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:49:44,523 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:49:44,531 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:49:44,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:44 WrapperNode [2023-11-19 02:49:44,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:44,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:44,534 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:49:44,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:49:44,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:44" (1/1) ... [2023-11-19 02:49:44,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:44" (1/1) ... [2023-11-19 02:49:44,674 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2023-11-19 02:49:44,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:44,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:49:44,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:49:44,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:49:44,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:44" (1/1) ... [2023-11-19 02:49:44,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:44" (1/1) ... [2023-11-19 02:49:44,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:44" (1/1) ... [2023-11-19 02:49:44,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:44" (1/1) ... [2023-11-19 02:49:44,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:44" (1/1) ... [2023-11-19 02:49:44,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:44" (1/1) ... [2023-11-19 02:49:44,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:44" (1/1) ... [2023-11-19 02:49:44,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:44" (1/1) ... [2023-11-19 02:49:44,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:49:44,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:49:44,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:49:44,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:49:44,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:44" (1/1) ... [2023-11-19 02:49:44,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:44,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:49:44,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:49:44,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:49:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:49:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:49:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:49:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:49:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:49:44,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:49:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:49:45,071 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:49:45,073 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:49:45,291 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:49:45,373 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:49:45,374 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:49:45,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:45 BoogieIcfgContainer [2023-11-19 02:49:45,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:49:45,383 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:49:45,383 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:49:45,393 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:49:45,394 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:45" (1/1) ... [2023-11-19 02:49:45,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:49:45,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:45,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 02:49:45,487 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 02:49:45,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:49:45,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:45,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:49:45,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:49:45,496 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:49:45,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:49:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:45,652 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:49:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:45,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:49:45,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:45,717 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 02:49:45,719 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:49:45,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:49:45,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:45,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-19 02:49:45,755 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-19 02:49:45,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:49:45,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:45,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:49:45,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:49:45,757 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:49:45,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 02:49:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:49:45,969 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:49:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:49:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:49:46,112 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:49:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:49:46,157 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:49:46,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 02:49:46,159 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 02:49:46,190 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated [2023-11-19 02:49:46,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:49:46 ImpRootNode [2023-11-19 02:49:46,195 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:49:46,195 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:49:46,196 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:49:46,196 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:49:46,196 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:45" (3/4) ... [2023-11-19 02:49:46,197 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 02:49:46,205 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated [2023-11-19 02:49:46,261 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:49:46,264 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:49:46,265 INFO L158 Benchmark]: Toolchain (without parser) took 3420.74ms. Allocated memory was 73.4MB in the beginning and 104.9MB in the end (delta: 31.5MB). Free memory was 38.0MB in the beginning and 63.4MB in the end (delta: -25.3MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-11-19 02:49:46,265 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 73.4MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:49:46,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1682.98ms. Allocated memory was 73.4MB in the beginning and 104.9MB in the end (delta: 31.5MB). Free memory was 37.8MB in the beginning and 47.4MB in the end (delta: -9.5MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2023-11-19 02:49:46,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 146.63ms. Allocated memory is still 104.9MB. Free memory was 46.9MB in the beginning and 76.1MB in the end (delta: -29.2MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2023-11-19 02:49:46,267 INFO L158 Benchmark]: Boogie Preprocessor took 71.28ms. Allocated memory is still 104.9MB. Free memory was 76.1MB in the beginning and 74.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:49:46,268 INFO L158 Benchmark]: RCFGBuilder took 616.63ms. Allocated memory is still 104.9MB. Free memory was 74.0MB in the beginning and 55.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 02:49:46,268 INFO L158 Benchmark]: CodeCheck took 812.28ms. Allocated memory is still 104.9MB. Free memory was 55.1MB in the beginning and 66.2MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:49:46,269 INFO L158 Benchmark]: Witness Printer took 68.39ms. Allocated memory is still 104.9MB. Free memory was 65.4MB in the beginning and 63.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:49:46,277 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 5 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 38 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 1 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: 1551]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE190_Integer_Overflow__int_rand_postinc_41_bad() [L1558] int data; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL badSink(data) [L1551] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 73.4MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1682.98ms. Allocated memory was 73.4MB in the beginning and 104.9MB in the end (delta: 31.5MB). Free memory was 37.8MB in the beginning and 47.4MB in the end (delta: -9.5MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 146.63ms. Allocated memory is still 104.9MB. Free memory was 46.9MB in the beginning and 76.1MB in the end (delta: -29.2MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.28ms. Allocated memory is still 104.9MB. Free memory was 76.1MB in the beginning and 74.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 616.63ms. Allocated memory is still 104.9MB. Free memory was 74.0MB in the beginning and 55.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 812.28ms. Allocated memory is still 104.9MB. Free memory was 55.1MB in the beginning and 66.2MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 68.39ms. Allocated memory is still 104.9MB. Free memory was 65.4MB in the beginning and 63.4MB 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~post96 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post96 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 02:49:46,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df58cfc4-ba47-4207-9607-0c568dbae29c/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)