./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_64_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/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_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/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_2d40c972-c232-4e49-b8af-23daa7eca6aa/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 a86cd4a6954e2e2fa25451a4ec005137646969920b373494e4e1b8d9281152c8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:54:24,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:54:24,254 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:54:24,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:54:24,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:54:24,294 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:54:24,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:54:24,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:54:24,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:54:24,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:54:24,298 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:54:24,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:54:24,299 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:54:24,300 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:54:24,300 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:54:24,301 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:54:24,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:54:24,302 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:54:24,303 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:54:24,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:54:24,304 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:54:24,310 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:54:24,311 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:54:24,311 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:54:24,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:54:24,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:24,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:54:24,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:54:24,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:54:24,315 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:54:24,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:54:24,317 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:54:24,317 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_2d40c972-c232-4e49-b8af-23daa7eca6aa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a86cd4a6954e2e2fa25451a4ec005137646969920b373494e4e1b8d9281152c8 [2023-11-21 18:54:24,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:54:24,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:54:24,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:54:24,654 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:54:24,654 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:54:24,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_64_bad.i [2023-11-21 18:54:28,081 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:54:28,540 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:54:28,545 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_64_bad.i [2023-11-21 18:54:28,580 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/data/6019394d3/0fe6f2f96b2e497d888dedb6ccacb74c/FLAG4990683da [2023-11-21 18:54:28,603 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/data/6019394d3/0fe6f2f96b2e497d888dedb6ccacb74c [2023-11-21 18:54:28,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:54:28,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:54:28,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:28,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:54:28,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:54:28,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:28" (1/1) ... [2023-11-21 18:54:28,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e1de622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:28, skipping insertion in model container [2023-11-21 18:54:28,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:28" (1/1) ... [2023-11-21 18:54:28,688 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:54:29,103 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:54:29,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:29,724 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:54:29,767 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:54:29,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:30,076 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:30,077 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:30,077 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:30,077 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:30,078 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:30,086 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:54:30,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:30 WrapperNode [2023-11-21 18:54:30,086 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:30,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:30,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:54:30,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:54:30,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:30" (1/1) ... [2023-11-21 18:54:30,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:30" (1/1) ... [2023-11-21 18:54:30,151 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2023-11-21 18:54:30,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:30,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:54:30,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:54:30,153 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:54:30,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:30" (1/1) ... [2023-11-21 18:54:30,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:30" (1/1) ... [2023-11-21 18:54:30,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:30" (1/1) ... [2023-11-21 18:54:30,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:30" (1/1) ... [2023-11-21 18:54:30,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:30" (1/1) ... [2023-11-21 18:54:30,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:30" (1/1) ... [2023-11-21 18:54:30,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:30" (1/1) ... [2023-11-21 18:54:30,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:30" (1/1) ... [2023-11-21 18:54:30,185 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:54:30,186 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:54:30,186 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:54:30,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:54:30,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:30" (1/1) ... [2023-11-21 18:54:30,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:30,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:54:30,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:54:30,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:54:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:54:30,290 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:54:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:54:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:54:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:54:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:54:30,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:54:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:54:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:54:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:54:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:54:30,443 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:54:30,445 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:54:30,708 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:54:30,974 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:54:30,974 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:54:30,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:30 BoogieIcfgContainer [2023-11-21 18:54:30,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:54:30,977 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:54:30,977 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:54:30,987 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:54:30,988 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:30" (1/1) ... [2023-11-21 18:54:30,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:54:31,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:31,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-21 18:54:31,074 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-21 18:54:31,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:54:31,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:31,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:31,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:54:31,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:31,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-11-21 18:54:31,686 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-21 18:54:31,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:54:31,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:31,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:54:31,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:54:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:54:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:54:32,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:54:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:54:32,283 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-21 18:54:32,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:54:32 ImpRootNode [2023-11-21 18:54:32,333 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:54:32,333 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:54:32,334 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:54:32,334 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:54:32,334 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:30" (3/4) ... [2023-11-21 18:54:32,337 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:54:32,338 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:54:32,339 INFO L158 Benchmark]: Toolchain (without parser) took 3728.30ms. Allocated memory is still 201.3MB. Free memory was 156.8MB in the beginning and 138.3MB in the end (delta: 18.5MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-11-21 18:54:32,340 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:32,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1474.01ms. Allocated memory is still 201.3MB. Free memory was 156.8MB in the beginning and 158.9MB in the end (delta: -2.1MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:32,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.04ms. Allocated memory is still 201.3MB. Free memory was 158.9MB in the beginning and 155.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:32,343 INFO L158 Benchmark]: Boogie Preprocessor took 33.22ms. Allocated memory is still 201.3MB. Free memory was 155.8MB in the beginning and 154.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:32,344 INFO L158 Benchmark]: RCFGBuilder took 790.30ms. Allocated memory is still 201.3MB. Free memory was 154.7MB in the beginning and 114.9MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-21 18:54:32,344 INFO L158 Benchmark]: CodeCheck took 1355.81ms. Allocated memory is still 201.3MB. Free memory was 114.9MB in the beginning and 139.2MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:32,349 INFO L158 Benchmark]: Witness Printer took 4.72ms. Allocated memory is still 201.3MB. Free memory was 139.2MB in the beginning and 138.3MB in the end (delta: 899.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:32,357 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: 1.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 6 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. 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); [L1559] 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) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={13:16}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_multiply_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_multiply_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1568] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, dataPtr={16022:0}, dataVoidPtr={16022:0}, dataVoidPtr={16022:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, dataPtr={16022:0}, dataVoidPtr={16022:0}, dataVoidPtr={16022:0}, 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 0.36ms. Allocated memory is still 142.6MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1474.01ms. Allocated memory is still 201.3MB. Free memory was 156.8MB in the beginning and 158.9MB in the end (delta: -2.1MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.04ms. Allocated memory is still 201.3MB. Free memory was 158.9MB in the beginning and 155.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.22ms. Allocated memory is still 201.3MB. Free memory was 155.8MB in the beginning and 154.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 790.30ms. Allocated memory is still 201.3MB. Free memory was 154.7MB in the beginning and 114.9MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 1355.81ms. Allocated memory is still 201.3MB. Free memory was 114.9MB in the beginning and 139.2MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.72ms. Allocated memory is still 201.3MB. Free memory was 139.2MB in the beginning and 138.3MB in the end (delta: 899.8kB). 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 18:54:32,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/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_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/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_2d40c972-c232-4e49-b8af-23daa7eca6aa/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 a86cd4a6954e2e2fa25451a4ec005137646969920b373494e4e1b8d9281152c8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:54:35,143 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:54:35,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:54:35,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:54:35,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:54:35,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:54:35,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:54:35,342 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:54:35,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:54:35,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:54:35,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:54:35,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:54:35,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:54:35,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:54:35,353 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:54:35,353 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:54:35,354 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:54:35,354 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:54:35,355 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:54:35,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:54:35,356 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:54:35,357 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:54:35,357 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:54:35,358 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:54:35,358 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:54:35,359 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:54:35,359 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:54:35,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:35,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:54:35,361 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:54:35,362 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:54:35,363 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:54:35,363 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:54:35,364 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:54:35,364 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:54:35,364 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:54:35,365 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_2d40c972-c232-4e49-b8af-23daa7eca6aa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a86cd4a6954e2e2fa25451a4ec005137646969920b373494e4e1b8d9281152c8 [2023-11-21 18:54:35,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:54:35,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:54:35,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:54:35,847 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:54:35,848 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:54:35,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_64_bad.i [2023-11-21 18:54:39,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:54:39,434 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:54:39,435 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_64_bad.i [2023-11-21 18:54:39,464 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/data/ddb9b26ed/4f96bcb7966247e086845df07c268aa4/FLAGdbbcd8316 [2023-11-21 18:54:39,488 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/data/ddb9b26ed/4f96bcb7966247e086845df07c268aa4 [2023-11-21 18:54:39,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:54:39,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:54:39,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:39,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:54:39,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:54:39,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:39" (1/1) ... [2023-11-21 18:54:39,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@286c385e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:39, skipping insertion in model container [2023-11-21 18:54:39,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:39" (1/1) ... [2023-11-21 18:54:39,614 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:54:40,090 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:54:40,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:40,995 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-21 18:54:41,014 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:54:41,027 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:54:41,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:41,107 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:54:41,147 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:54:41,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:41,476 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:41,476 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:41,476 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:41,476 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:41,477 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:41,484 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:54:41,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:41 WrapperNode [2023-11-21 18:54:41,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:41,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:41,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:54:41,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:54:41,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:41" (1/1) ... [2023-11-21 18:54:41,542 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:41" (1/1) ... [2023-11-21 18:54:41,590 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2023-11-21 18:54:41,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:41,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:54:41,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:54:41,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:54:41,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:41" (1/1) ... [2023-11-21 18:54:41,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:41" (1/1) ... [2023-11-21 18:54:41,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:41" (1/1) ... [2023-11-21 18:54:41,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:41" (1/1) ... [2023-11-21 18:54:41,632 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:41" (1/1) ... [2023-11-21 18:54:41,642 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:41" (1/1) ... [2023-11-21 18:54:41,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:41" (1/1) ... [2023-11-21 18:54:41,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:41" (1/1) ... [2023-11-21 18:54:41,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:54:41,665 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:54:41,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:54:41,665 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:54:41,666 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:41" (1/1) ... [2023-11-21 18:54:41,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:41,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:54:41,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:54:41,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:54:41,749 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:54:41,749 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:54:41,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:54:41,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:54:41,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:54:41,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:54:41,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:54:41,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:54:41,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:54:41,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:54:41,750 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:54:41,910 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:54:41,913 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:54:42,154 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:54:42,228 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:54:42,229 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:54:42,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:42 BoogieIcfgContainer [2023-11-21 18:54:42,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:54:42,232 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:54:42,233 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:54:42,243 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:54:42,243 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:42" (1/1) ... [2023-11-21 18:54:42,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:54:42,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:42,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-21 18:54:42,341 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-21 18:54:42,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:54:42,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:42,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:54:42,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:54:42,356 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:54:42,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:54:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:42,636 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:54:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:42,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:42,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:42,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:54:42,768 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:54:42,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:54:42,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:42,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-11-21 18:54:42,932 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-21 18:54:42,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:54:42,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:42,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:54:42,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:54:42,937 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:54:42,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:54:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:54:43,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:54:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:54:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:54:43,684 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:54:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:54:43,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-21 18:54:43,935 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-21 18:54:43,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:54:43 ImpRootNode [2023-11-21 18:54:43,979 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:54:43,979 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:54:43,979 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:54:43,980 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:54:43,980 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:42" (3/4) ... [2023-11-21 18:54:43,981 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 18:54:44,060 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:54:44,060 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:54:44,061 INFO L158 Benchmark]: Toolchain (without parser) took 4564.80ms. Allocated memory is still 119.5MB. Free memory was 97.3MB in the beginning and 53.1MB in the end (delta: 44.2MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2023-11-21 18:54:44,061 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 67.1MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:44,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1985.37ms. Allocated memory is still 119.5MB. Free memory was 96.8MB in the beginning and 81.9MB in the end (delta: 14.9MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2023-11-21 18:54:44,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.58ms. Allocated memory is still 119.5MB. Free memory was 81.9MB in the beginning and 78.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:44,063 INFO L158 Benchmark]: Boogie Preprocessor took 59.91ms. Allocated memory is still 119.5MB. Free memory was 78.6MB in the beginning and 76.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:44,063 INFO L158 Benchmark]: RCFGBuilder took 566.62ms. Allocated memory is still 119.5MB. Free memory was 76.5MB in the beginning and 54.8MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:44,063 INFO L158 Benchmark]: CodeCheck took 1746.42ms. Allocated memory is still 119.5MB. Free memory was 54.8MB in the beginning and 55.2MB in the end (delta: -388.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:44,064 INFO L158 Benchmark]: Witness Printer took 80.89ms. Allocated memory is still 119.5MB. Free memory was 55.2MB in the beginning and 53.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:44,066 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: 1.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 6 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 83 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1570]: 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE190_Integer_Overflow__int_rand_multiply_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_multiply_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1568] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, dataPtr={4:0}, dataVoidPtr={4:0}, dataVoidPtr={4:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, dataPtr={4:0}, dataVoidPtr={4:0}, dataVoidPtr={4:0}, 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 67.1MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1985.37ms. Allocated memory is still 119.5MB. Free memory was 96.8MB in the beginning and 81.9MB in the end (delta: 14.9MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.58ms. Allocated memory is still 119.5MB. Free memory was 81.9MB in the beginning and 78.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.91ms. Allocated memory is still 119.5MB. Free memory was 78.6MB in the beginning and 76.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 566.62ms. Allocated memory is still 119.5MB. Free memory was 76.5MB in the beginning and 54.8MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 1746.42ms. Allocated memory is still 119.5MB. Free memory was 54.8MB in the beginning and 55.2MB in the end (delta: -388.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 80.89ms. Allocated memory is still 119.5MB. Free memory was 55.2MB in the beginning and 53.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-21 18:54:44,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d40c972-c232-4e49-b8af-23daa7eca6aa/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)