./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_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_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/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_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/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_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/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 29d27c23ce777812d81960b8253e5e294bd67f0ff0c40e7f236235cb41a953b6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:33:16,331 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:33:16,457 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:33:16,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:33:16,468 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:33:16,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:33:16,509 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:33:16,510 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:33:16,511 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:33:16,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:33:16,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:33:16,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:33:16,518 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:33:16,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:33:16,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:33:16,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:33:16,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:33:16,521 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:33:16,522 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:33:16,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:33:16,523 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:33:16,524 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:33:16,524 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:33:16,525 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:33:16,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:33:16,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:16,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:33:16,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:33:16,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:33:16,528 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:33:16,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:33:16,529 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:33:16,530 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_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29d27c23ce777812d81960b8253e5e294bd67f0ff0c40e7f236235cb41a953b6 [2023-11-21 18:33:16,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:33:16,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:33:16,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:33:16,847 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:33:16,847 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:33:16,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_bad.i [2023-11-21 18:33:20,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:33:20,457 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:33:20,458 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_bad.i [2023-11-21 18:33:20,501 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/data/2ec6c29d1/8a700196b0f14e7786229e9f2a9667d4/FLAGb9dab9b54 [2023-11-21 18:33:20,520 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/data/2ec6c29d1/8a700196b0f14e7786229e9f2a9667d4 [2023-11-21 18:33:20,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:33:20,529 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:33:20,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:20,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:33:20,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:33:20,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:20" (1/1) ... [2023-11-21 18:33:20,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cdf737a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:20, skipping insertion in model container [2023-11-21 18:33:20,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:20" (1/1) ... [2023-11-21 18:33:20,623 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:33:21,079 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:33:21,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:21,695 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:33:21,716 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:33:21,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:22,044 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:33:22,045 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:33:22,045 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:33:22,045 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:33:22,045 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:33:22,054 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:33:22,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:22 WrapperNode [2023-11-21 18:33:22,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:22,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:22,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:33:22,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:33:22,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:22" (1/1) ... [2023-11-21 18:33:22,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:22" (1/1) ... [2023-11-21 18:33:22,173 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 87 [2023-11-21 18:33:22,177 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:22,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:33:22,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:33:22,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:33:22,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:22" (1/1) ... [2023-11-21 18:33:22,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:22" (1/1) ... [2023-11-21 18:33:22,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:22" (1/1) ... [2023-11-21 18:33:22,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:22" (1/1) ... [2023-11-21 18:33:22,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:22" (1/1) ... [2023-11-21 18:33:22,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:22" (1/1) ... [2023-11-21 18:33:22,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:22" (1/1) ... [2023-11-21 18:33:22,227 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:22" (1/1) ... [2023-11-21 18:33:22,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:33:22,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:33:22,232 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:33:22,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:33:22,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:22" (1/1) ... [2023-11-21 18:33:22,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:22,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:33:22,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:33:22,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:33:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:33:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:33:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:33:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:33:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:33:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:33:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:33:22,565 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:33:22,568 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:33:22,783 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:33:23,118 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:33:23,118 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:33:23,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:23 BoogieIcfgContainer [2023-11-21 18:33:23,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:33:23,122 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:33:23,122 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:33:23,134 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:33:23,136 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:23" (1/1) ... [2023-11-21 18:33:23,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:33:23,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:23,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-21 18:33:23,209 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-21 18:33:23,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:33:23,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:23,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:33:23,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:33:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:33:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:33:23,793 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:33:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:33:23,841 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:33:23,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:33:23 ImpRootNode [2023-11-21 18:33:23,870 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:33:23,870 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:33:23,871 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:33:23,871 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:33:23,872 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:23" (3/4) ... [2023-11-21 18:33:23,874 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:33:23,875 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:33:23,876 INFO L158 Benchmark]: Toolchain (without parser) took 3346.81ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 110.4MB in the beginning and 143.2MB in the end (delta: -32.8MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2023-11-21 18:33:23,877 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 155.2MB. Free memory was 102.9MB in the beginning and 102.9MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:33:23,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1522.56ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 110.4MB in the beginning and 155.1MB in the end (delta: -44.6MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2023-11-21 18:33:23,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.12ms. Allocated memory is still 209.7MB. Free memory was 155.1MB in the beginning and 151.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:33:23,880 INFO L158 Benchmark]: Boogie Preprocessor took 53.58ms. Allocated memory is still 209.7MB. Free memory was 151.9MB in the beginning and 149.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:33:23,880 INFO L158 Benchmark]: RCFGBuilder took 888.37ms. Allocated memory is still 209.7MB. Free memory was 149.8MB in the beginning and 113.1MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-21 18:33:23,881 INFO L158 Benchmark]: CodeCheck took 747.74ms. Allocated memory is still 209.7MB. Free memory was 113.1MB in the beginning and 143.2MB in the end (delta: -30.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:33:23,881 INFO L158 Benchmark]: Witness Printer took 5.07ms. Allocated memory is still 209.7MB. Free memory is still 143.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:33:23,885 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: 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, 6 NumberOfCodeBlocks, 6 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: 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 1559. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_sub_41_bad() [L1557] int data; [L1558] data = 0 [L1559] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1559] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1559] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1559] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1559] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1560] CALL badSink(data) [L1551] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.32ms. Allocated memory is still 155.2MB. Free memory was 102.9MB in the beginning and 102.9MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1522.56ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 110.4MB in the beginning and 155.1MB in the end (delta: -44.6MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.12ms. Allocated memory is still 209.7MB. Free memory was 155.1MB in the beginning and 151.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.58ms. Allocated memory is still 209.7MB. Free memory was 151.9MB in the beginning and 149.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 888.37ms. Allocated memory is still 209.7MB. Free memory was 149.8MB in the beginning and 113.1MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 747.74ms. Allocated memory is still 209.7MB. Free memory was 113.1MB in the beginning and 143.2MB in the end (delta: -30.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.07ms. Allocated memory is still 209.7MB. Free memory is still 143.2MB. 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 18:33:23,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/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_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/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_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/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_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/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 29d27c23ce777812d81960b8253e5e294bd67f0ff0c40e7f236235cb41a953b6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:33:26,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:33:26,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:33:26,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:33:26,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:33:26,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:33:26,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:33:26,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:33:26,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:33:26,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:33:26,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:33:26,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:33:26,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:33:26,862 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:33:26,862 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:33:26,863 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:33:26,863 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:33:26,864 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:33:26,864 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:33:26,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:33:26,866 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:33:26,867 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:33:26,867 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:33:26,868 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:33:26,868 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:33:26,868 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:33:26,869 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:33:26,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:26,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:33:26,870 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:33:26,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:33:26,872 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:33:26,872 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:33:26,873 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:33:26,873 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:33:26,874 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:33:26,874 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_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29d27c23ce777812d81960b8253e5e294bd67f0ff0c40e7f236235cb41a953b6 [2023-11-21 18:33:27,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:33:27,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:33:27,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:33:27,350 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:33:27,351 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:33:27,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_bad.i [2023-11-21 18:33:30,648 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:33:31,156 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:33:31,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_bad.i [2023-11-21 18:33:31,193 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/data/8c395faf9/bd944caf3c8247699c1b98aef125197a/FLAGf1f32a5f3 [2023-11-21 18:33:31,212 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/data/8c395faf9/bd944caf3c8247699c1b98aef125197a [2023-11-21 18:33:31,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:33:31,220 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:33:31,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:31,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:33:31,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:33:31,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:31" (1/1) ... [2023-11-21 18:33:31,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e439c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:31, skipping insertion in model container [2023-11-21 18:33:31,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:31" (1/1) ... [2023-11-21 18:33:31,313 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:33:31,735 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:33:32,375 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:32,390 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:33:32,411 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:33:32,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:32,618 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:33:32,619 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:33:32,619 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:33:32,619 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:33:32,619 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:33:32,626 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:33:32,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:32 WrapperNode [2023-11-21 18:33:32,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:32,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:32,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:33:32,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:33:32,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:32" (1/1) ... [2023-11-21 18:33:32,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:32" (1/1) ... [2023-11-21 18:33:32,696 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 55 [2023-11-21 18:33:32,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:32,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:33:32,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:33:32,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:33:32,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:32" (1/1) ... [2023-11-21 18:33:32,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:32" (1/1) ... [2023-11-21 18:33:32,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:32" (1/1) ... [2023-11-21 18:33:32,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:32" (1/1) ... [2023-11-21 18:33:32,723 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:32" (1/1) ... [2023-11-21 18:33:32,725 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:32" (1/1) ... [2023-11-21 18:33:32,728 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:32" (1/1) ... [2023-11-21 18:33:32,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:32" (1/1) ... [2023-11-21 18:33:32,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:33:32,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:33:32,736 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:33:32,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:33:32,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:32" (1/1) ... [2023-11-21 18:33:32,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:32,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:33:32,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:33:32,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:33:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:33:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:33:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:33:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:33:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:33:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:33:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:33:33,024 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:33:33,026 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:33:33,155 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:33:33,229 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:33:33,230 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:33:33,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:33 BoogieIcfgContainer [2023-11-21 18:33:33,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:33:33,233 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:33:33,233 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:33:33,243 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:33:33,244 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:33" (1/1) ... [2023-11-21 18:33:33,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:33:33,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:33,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-21 18:33:33,311 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-21 18:33:33,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:33:33,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:33,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:33:33,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:33:33,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:33:33,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:33:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:33:33,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:33:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:33:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:33:33,705 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:33:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:33:33,742 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:33:33,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:33:33,746 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:33:33,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:33:33 ImpRootNode [2023-11-21 18:33:33,780 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:33:33,783 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:33:33,784 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:33:33,784 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:33:33,784 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:33" (3/4) ... [2023-11-21 18:33:33,785 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 18:33:33,865 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:33:33,865 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:33:33,866 INFO L158 Benchmark]: Toolchain (without parser) took 2645.82ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 56.1MB in the beginning and 48.2MB in the end (delta: 7.9MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2023-11-21 18:33:33,866 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 59.4MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:33:33,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1402.75ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 55.8MB in the beginning and 57.8MB in the end (delta: -2.0MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2023-11-21 18:33:33,868 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.48ms. Allocated memory is still 104.9MB. Free memory was 57.8MB in the beginning and 55.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:33:33,868 INFO L158 Benchmark]: Boogie Preprocessor took 38.34ms. Allocated memory is still 104.9MB. Free memory was 54.6MB in the beginning and 53.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:33:33,868 INFO L158 Benchmark]: RCFGBuilder took 495.75ms. Allocated memory is still 104.9MB. Free memory was 53.0MB in the beginning and 65.0MB in the end (delta: -12.0MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2023-11-21 18:33:33,869 INFO L158 Benchmark]: CodeCheck took 547.67ms. Allocated memory is still 104.9MB. Free memory was 65.0MB in the beginning and 50.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:33:33,869 INFO L158 Benchmark]: Witness Printer took 81.88ms. Allocated memory is still 104.9MB. Free memory was 50.2MB in the beginning and 48.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:33:33,878 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: 0.5s, 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, 6 NumberOfCodeBlocks, 6 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: 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_sub_41_bad() [L1557] int data; [L1558] data = 0 [L1559] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1559] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1559] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1560] CALL badSink(data) [L1551] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.74ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 59.4MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1402.75ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 55.8MB in the beginning and 57.8MB in the end (delta: -2.0MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.48ms. Allocated memory is still 104.9MB. Free memory was 57.8MB in the beginning and 55.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.34ms. Allocated memory is still 104.9MB. Free memory was 54.6MB in the beginning and 53.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 495.75ms. Allocated memory is still 104.9MB. Free memory was 53.0MB in the beginning and 65.0MB in the end (delta: -12.0MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * CodeCheck took 547.67ms. Allocated memory is still 104.9MB. Free memory was 65.0MB in the beginning and 50.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 81.88ms. Allocated memory is still 104.9MB. Free memory was 50.2MB in the beginning and 48.2MB 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 18:33:33,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf97a37a-288b-4c2d-ae61-4ad6c3616b2f/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)