./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2 --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 d4d5d36e5d7b0805d339862d3f698a80bbbb96365815d5000485f7e94a60f646 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:27:14,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:27:14,532 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:27:14,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:27:14,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:27:14,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:27:14,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:27:14,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:27:14,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:27:14,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:27:14,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:27:14,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:27:14,576 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:27:14,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:27:14,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:27:14,578 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:27:14,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:27:14,579 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:27:14,580 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:27:14,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:27:14,581 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:27:14,582 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:27:14,583 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:27:14,583 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:27:14,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:27:14,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:14,585 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:27:14,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:27:14,586 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:27:14,587 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:27:14,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:27:14,588 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:27:14,588 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_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4d5d36e5d7b0805d339862d3f698a80bbbb96365815d5000485f7e94a60f646 [2023-11-21 18:27:14,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:27:14,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:27:14,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:27:14,960 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:27:14,961 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:27:14,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i [2023-11-21 18:27:17,987 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:27:18,428 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:27:18,434 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i [2023-11-21 18:27:18,477 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/data/f54c147e5/f804e96d791a40df921c5b1ef8df92bf/FLAGd2087db15 [2023-11-21 18:27:18,496 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/data/f54c147e5/f804e96d791a40df921c5b1ef8df92bf [2023-11-21 18:27:18,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:27:18,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:27:18,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:18,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:27:18,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:27:18,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:18" (1/1) ... [2023-11-21 18:27:18,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e4849d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:18, skipping insertion in model container [2023-11-21 18:27:18,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:18" (1/1) ... [2023-11-21 18:27:18,600 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:27:19,034 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:27:19,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:19,697 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:27:19,733 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:27:19,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:20,026 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:20,029 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:20,029 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:20,029 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:20,030 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:20,037 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:27:20,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:20 WrapperNode [2023-11-21 18:27:20,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:20,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:20,040 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:27:20,040 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:27:20,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:20" (1/1) ... [2023-11-21 18:27:20,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:20" (1/1) ... [2023-11-21 18:27:20,116 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 93 [2023-11-21 18:27:20,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:20,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:27:20,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:27:20,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:27:20,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:20" (1/1) ... [2023-11-21 18:27:20,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:20" (1/1) ... [2023-11-21 18:27:20,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:20" (1/1) ... [2023-11-21 18:27:20,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:20" (1/1) ... [2023-11-21 18:27:20,138 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:20" (1/1) ... [2023-11-21 18:27:20,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:20" (1/1) ... [2023-11-21 18:27:20,143 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:20" (1/1) ... [2023-11-21 18:27:20,144 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:20" (1/1) ... [2023-11-21 18:27:20,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:27:20,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:27:20,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:27:20,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:27:20,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:20" (1/1) ... [2023-11-21 18:27:20,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:20,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:27:20,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:27:20,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:27:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:27:20,234 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:27:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:27:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:27:20,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:27:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:27:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:27:20,420 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:27:20,422 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:27:20,646 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:27:20,901 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:27:20,902 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:27:20,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:20 BoogieIcfgContainer [2023-11-21 18:27:20,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:27:20,904 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:27:20,905 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:27:20,915 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:27:20,916 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:20" (1/1) ... [2023-11-21 18:27:20,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:27:20,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:20,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-21 18:27:20,984 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-21 18:27:20,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:27:20,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:20,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:21,355 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:27:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:21,648 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:27:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:21,704 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:27:21,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:27:21 ImpRootNode [2023-11-21 18:27:21,742 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:27:21,754 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:27:21,754 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:27:21,755 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:27:21,756 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:20" (3/4) ... [2023-11-21 18:27:21,761 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:27:21,762 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:27:21,763 INFO L158 Benchmark]: Toolchain (without parser) took 3260.00ms. Allocated memory is still 140.5MB. Free memory was 101.3MB in the beginning and 103.6MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:21,764 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:21,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1533.70ms. Allocated memory is still 140.5MB. Free memory was 100.9MB in the beginning and 84.7MB in the end (delta: 16.2MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2023-11-21 18:27:21,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.37ms. Allocated memory is still 140.5MB. Free memory was 84.7MB in the beginning and 81.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:27:21,768 INFO L158 Benchmark]: Boogie Preprocessor took 31.04ms. Allocated memory is still 140.5MB. Free memory was 81.4MB in the beginning and 79.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:27:21,768 INFO L158 Benchmark]: RCFGBuilder took 754.70ms. Allocated memory is still 140.5MB. Free memory was 79.9MB in the beginning and 90.8MB in the end (delta: -10.8MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2023-11-21 18:27:21,769 INFO L158 Benchmark]: CodeCheck took 838.13ms. Allocated memory is still 140.5MB. Free memory was 90.8MB in the beginning and 50.4MB in the end (delta: 40.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-21 18:27:21,770 INFO L158 Benchmark]: Witness Printer took 8.27ms. Allocated memory is still 140.5MB. Free memory was 103.6MB in the beginning and 103.6MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:21,780 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1550. 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); [L1567] 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) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={14:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_rand_multiply_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, 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 0.26ms. Allocated memory is still 111.1MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1533.70ms. Allocated memory is still 140.5MB. Free memory was 100.9MB in the beginning and 84.7MB in the end (delta: 16.2MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.37ms. Allocated memory is still 140.5MB. Free memory was 84.7MB in the beginning and 81.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.04ms. Allocated memory is still 140.5MB. Free memory was 81.4MB in the beginning and 79.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 754.70ms. Allocated memory is still 140.5MB. Free memory was 79.9MB in the beginning and 90.8MB in the end (delta: -10.8MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * CodeCheck took 838.13ms. Allocated memory is still 140.5MB. Free memory was 90.8MB in the beginning and 50.4MB in the end (delta: 40.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 8.27ms. Allocated memory is still 140.5MB. Free memory was 103.6MB in the beginning and 103.6MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:27:21,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/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_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2 --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 d4d5d36e5d7b0805d339862d3f698a80bbbb96365815d5000485f7e94a60f646 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:27:24,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:27:24,578 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:27:24,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:27:24,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:27:24,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:27:24,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:27:24,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:27:24,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:27:24,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:27:24,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:27:24,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:27:24,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:27:24,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:27:24,617 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:27:24,617 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:27:24,618 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:27:24,619 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:27:24,619 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:27:24,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:27:24,621 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:27:24,622 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:27:24,622 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:27:24,623 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:27:24,623 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:27:24,624 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:27:24,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:27:24,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:24,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:27:24,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:27:24,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:27:24,628 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:27:24,628 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:27:24,629 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:27:24,629 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:27:24,629 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:27:24,630 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_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4d5d36e5d7b0805d339862d3f698a80bbbb96365815d5000485f7e94a60f646 [2023-11-21 18:27:25,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:27:25,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:27:25,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:27:25,080 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:27:25,080 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:27:25,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i [2023-11-21 18:27:28,206 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:27:28,665 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:27:28,666 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i [2023-11-21 18:27:28,696 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/data/a3f03b6a2/8ff7ac25a2fe46c785ecbf6330d0c266/FLAG8c0d441c6 [2023-11-21 18:27:28,715 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/data/a3f03b6a2/8ff7ac25a2fe46c785ecbf6330d0c266 [2023-11-21 18:27:28,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:27:28,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:27:28,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:28,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:27:28,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:27:28,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:28" (1/1) ... [2023-11-21 18:27:28,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75b66505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:28, skipping insertion in model container [2023-11-21 18:27:28,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:28" (1/1) ... [2023-11-21 18:27:28,844 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:27:29,424 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:27:30,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:30,266 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:27:30,287 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:27:30,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:30,519 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:30,519 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:30,520 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:30,520 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:30,520 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:30,529 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:27:30,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:30 WrapperNode [2023-11-21 18:27:30,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:30,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:30,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:27:30,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:27:30,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:30" (1/1) ... [2023-11-21 18:27:30,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:30" (1/1) ... [2023-11-21 18:27:30,619 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2023-11-21 18:27:30,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:30,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:27:30,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:27:30,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:27:30,630 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:30" (1/1) ... [2023-11-21 18:27:30,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:30" (1/1) ... [2023-11-21 18:27:30,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:30" (1/1) ... [2023-11-21 18:27:30,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:30" (1/1) ... [2023-11-21 18:27:30,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:30" (1/1) ... [2023-11-21 18:27:30,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:30" (1/1) ... [2023-11-21 18:27:30,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:30" (1/1) ... [2023-11-21 18:27:30,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:30" (1/1) ... [2023-11-21 18:27:30,658 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:27:30,659 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:27:30,659 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:27:30,660 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:27:30,660 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:30" (1/1) ... [2023-11-21 18:27:30,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:30,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:27:30,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:27:30,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:27:30,745 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:27:30,745 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:27:30,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:27:30,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:27:30,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:27:30,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:27:30,746 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:27:30,908 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:27:30,911 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:27:31,049 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:27:31,151 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:27:31,151 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:27:31,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:31 BoogieIcfgContainer [2023-11-21 18:27:31,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:27:31,154 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:27:31,154 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:27:31,180 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:27:31,180 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:31" (1/1) ... [2023-11-21 18:27:31,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:27:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:31,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-21 18:27:31,274 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-21 18:27:31,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:27:31,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:31,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:27:31,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:27:31,293 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:27:31,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:27:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:31,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:27:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:31,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:27:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:31,711 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:27:31,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:27:31,723 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:27:31,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:27:31 ImpRootNode [2023-11-21 18:27:31,758 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:27:31,760 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:27:31,760 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:27:31,760 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:27:31,762 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:31" (3/4) ... [2023-11-21 18:27:31,763 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 18:27:31,838 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:27:31,838 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:27:31,839 INFO L158 Benchmark]: Toolchain (without parser) took 3108.84ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 45.9MB in the beginning and 66.6MB in the end (delta: -20.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-11-21 18:27:31,839 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 73.4MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:31,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1797.23ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 45.6MB in the beginning and 47.8MB in the end (delta: -2.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-11-21 18:27:31,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.06ms. Allocated memory is still 102.8MB. Free memory was 47.7MB in the beginning and 73.3MB in the end (delta: -25.5MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-21 18:27:31,841 INFO L158 Benchmark]: Boogie Preprocessor took 37.94ms. Allocated memory is still 102.8MB. Free memory was 73.3MB in the beginning and 71.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:27:31,841 INFO L158 Benchmark]: RCFGBuilder took 494.01ms. Allocated memory is still 102.8MB. Free memory was 70.7MB in the beginning and 52.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:27:31,842 INFO L158 Benchmark]: CodeCheck took 604.09ms. Allocated memory is still 102.8MB. Free memory was 52.4MB in the beginning and 68.6MB in the end (delta: -16.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:31,842 INFO L158 Benchmark]: Witness Printer took 78.54ms. Allocated memory is still 102.8MB. Free memory was 68.6MB in the beginning and 66.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:27:31,850 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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: 1560]: 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); [L1567] 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) [L1567] 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}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_rand_multiply_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, 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 0.32ms. Allocated memory is still 73.4MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1797.23ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 45.6MB in the beginning and 47.8MB in the end (delta: -2.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.06ms. Allocated memory is still 102.8MB. Free memory was 47.7MB in the beginning and 73.3MB in the end (delta: -25.5MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.94ms. Allocated memory is still 102.8MB. Free memory was 73.3MB in the beginning and 71.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 494.01ms. Allocated memory is still 102.8MB. Free memory was 70.7MB in the beginning and 52.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 604.09ms. Allocated memory is still 102.8MB. Free memory was 52.4MB in the beginning and 68.6MB in the end (delta: -16.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 78.54ms. Allocated memory is still 102.8MB. Free memory was 68.6MB in the beginning and 66.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-21 18:27:31,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740e1d46-3be7-4a33-944f-138852bfdec5/bin/ukojak-verify-i0I2FZA1j2/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)