./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 295e238f3d082836e350ba49d0bd72376532101eb7ff98fb62c39e511a7670c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:37:47,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:37:47,832 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:37:47,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:37:47,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:37:47,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:37:47,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:37:47,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:37:47,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:37:47,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:37:47,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:37:47,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:37:47,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:37:47,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:37:47,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:37:47,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:37:47,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:37:47,907 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:37:47,907 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:37:47,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:37:47,908 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:37:47,909 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:37:47,909 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:37:47,909 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:37:47,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:37:47,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:47,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:37:47,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:37:47,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:37:47,919 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:37:47,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:37:47,920 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:37:47,920 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_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 295e238f3d082836e350ba49d0bd72376532101eb7ff98fb62c39e511a7670c1 [2023-11-19 03:37:48,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:37:48,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:37:48,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:37:48,243 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:37:48,244 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:37:48,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_bad.i [2023-11-19 03:37:51,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:37:51,654 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:37:51,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_bad.i [2023-11-19 03:37:51,681 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/data/99d95a79d/7e0a3439abce4a41aef0e7273814d9e7/FLAG45c1df061 [2023-11-19 03:37:51,697 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/data/99d95a79d/7e0a3439abce4a41aef0e7273814d9e7 [2023-11-19 03:37:51,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:37:51,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:37:51,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:51,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:37:51,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:37:51,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:51" (1/1) ... [2023-11-19 03:37:51,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@334d8854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:51, skipping insertion in model container [2023-11-19 03:37:51,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:51" (1/1) ... [2023-11-19 03:37:51,802 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:37:52,270 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:37:52,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:52,976 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:37:53,018 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:37:53,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:53,315 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:37:53,315 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:37:53,316 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:37:53,316 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:37:53,316 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:37:53,316 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:37:53,325 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:37:53,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53 WrapperNode [2023-11-19 03:37:53,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:53,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:53,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:37:53,329 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:37:53,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,446 INFO L138 Inliner]: procedures = 500, calls = 69, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2023-11-19 03:37:53,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:53,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:37:53,448 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:37:53,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:37:53,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,486 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,518 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:37:53,528 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:37:53,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:37:53,529 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:37:53,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:53" (1/1) ... [2023-11-19 03:37:53,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:53,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:37:53,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:37:53,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:37:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 03:37:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 03:37:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:37:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2023-11-19 03:37:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2023-11-19 03:37:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:37:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:37:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:37:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:37:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:37:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:37:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:37:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:37:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:37:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:37:53,784 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:37:53,786 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:37:53,980 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:37:54,024 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:37:54,025 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:37:54,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:54 BoogieIcfgContainer [2023-11-19 03:37:54,030 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:37:54,031 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:37:54,031 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:37:54,043 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:37:54,043 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:54" (1/1) ... [2023-11-19 03:37:54,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:37:54,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:54,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2023-11-19 03:37:54,111 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2023-11-19 03:37:54,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:37:54,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:54,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:54,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:37:54,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:54,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2023-11-19 03:37:54,813 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2023-11-19 03:37:54,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:37:54,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:54,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:55,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:37:55,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:55,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2023-11-19 03:37:55,082 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2023-11-19 03:37:55,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:37:55,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:55,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:55,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:37:55,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:55,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2023-11-19 03:37:55,287 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2023-11-19 03:37:55,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:37:55,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:55,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:55,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:37:55,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:55,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2023-11-19 03:37:55,519 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2023-11-19 03:37:55,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:37:55,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:55,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:55,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:37:55,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:55,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2023-11-19 03:37:55,659 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2023-11-19 03:37:55,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:37:55,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:55,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:55,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:37:55,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:55,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2023-11-19 03:37:55,782 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2023-11-19 03:37:55,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:37:55,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:55,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:37:55,842 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:37:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:37:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:37:55,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:37:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:37:56,032 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2023-11-19 03:37:56,099 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret98 could not be translated [2023-11-19 03:37:56,102 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret101 could not be translated [2023-11-19 03:37:56,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:37:56 ImpRootNode [2023-11-19 03:37:56,111 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:37:56,113 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:37:56,113 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:37:56,113 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:37:56,115 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:54" (3/4) ... [2023-11-19 03:37:56,118 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:37:56,119 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:37:56,121 INFO L158 Benchmark]: Toolchain (without parser) took 4418.67ms. Allocated memory is still 169.9MB. Free memory was 136.8MB in the beginning and 94.8MB in the end (delta: 42.0MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2023-11-19 03:37:56,122 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory was 95.5MB in the beginning and 95.4MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:37:56,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1623.55ms. Allocated memory is still 169.9MB. Free memory was 136.8MB in the beginning and 131.4MB in the end (delta: 5.4MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2023-11-19 03:37:56,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.62ms. Allocated memory is still 169.9MB. Free memory was 131.4MB in the beginning and 128.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:37:56,125 INFO L158 Benchmark]: Boogie Preprocessor took 79.58ms. Allocated memory is still 169.9MB. Free memory was 128.6MB in the beginning and 127.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:37:56,132 INFO L158 Benchmark]: RCFGBuilder took 501.98ms. Allocated memory is still 169.9MB. Free memory was 127.2MB in the beginning and 110.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:37:56,134 INFO L158 Benchmark]: CodeCheck took 2080.92ms. Allocated memory is still 169.9MB. Free memory was 110.4MB in the beginning and 94.8MB in the end (delta: 15.6MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2023-11-19 03:37:56,135 INFO L158 Benchmark]: Witness Printer took 6.71ms. Allocated memory is still 169.9MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:37:56,143 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 4 procedures, 38 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 308 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 208 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 46 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 200 IncrementalHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 162 mSDtfsCounter, 200 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 746 GetRequests, 740 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 159 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 12/12 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: 1574]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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); [L1597] 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={5:0}] [L1414] COND TRUE line != ((void *)0) [L1597] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=19, argc=19, argv={18:28}, argv={18:28}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1598] CALL CWE190_Integer_Overflow__int_fgets_multiply_12_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1570] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] COND TRUE globalReturnsTrueOrFalse() [L1572] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, 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 0.24ms. Allocated memory is still 121.6MB. Free memory was 95.5MB in the beginning and 95.4MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1623.55ms. Allocated memory is still 169.9MB. Free memory was 136.8MB in the beginning and 131.4MB in the end (delta: 5.4MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.62ms. Allocated memory is still 169.9MB. Free memory was 131.4MB in the beginning and 128.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.58ms. Allocated memory is still 169.9MB. Free memory was 128.6MB in the beginning and 127.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 501.98ms. Allocated memory is still 169.9MB. Free memory was 127.2MB in the beginning and 110.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2080.92ms. Allocated memory is still 169.9MB. Free memory was 110.4MB in the beginning and 94.8MB in the end (delta: 15.6MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Witness Printer took 6.71ms. Allocated memory is still 169.9MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret101 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:37:56,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 295e238f3d082836e350ba49d0bd72376532101eb7ff98fb62c39e511a7670c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:37:59,278 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:37:59,445 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:37:59,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:37:59,509 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:37:59,510 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:37:59,511 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:37:59,512 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:37:59,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:37:59,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:37:59,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:37:59,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:37:59,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:37:59,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:37:59,523 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:37:59,524 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:37:59,524 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:37:59,525 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:37:59,525 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:37:59,527 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:37:59,527 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:37:59,528 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:37:59,529 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:37:59,530 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:37:59,530 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:37:59,531 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:37:59,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:37:59,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:59,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:37:59,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:37:59,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:37:59,535 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:37:59,535 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:37:59,535 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:37:59,536 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:37:59,536 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:37:59,536 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_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 295e238f3d082836e350ba49d0bd72376532101eb7ff98fb62c39e511a7670c1 [2023-11-19 03:37:59,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:37:59,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:37:59,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:37:59,997 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:37:59,998 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:38:00,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_bad.i [2023-11-19 03:38:03,649 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:38:04,187 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:38:04,188 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_bad.i [2023-11-19 03:38:04,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/data/d833c980a/126b12dea0c04b998308da2b669f3ba2/FLAG85a030136 [2023-11-19 03:38:04,248 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/data/d833c980a/126b12dea0c04b998308da2b669f3ba2 [2023-11-19 03:38:04,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:38:04,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:38:04,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:04,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:38:04,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:38:04,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:04" (1/1) ... [2023-11-19 03:38:04,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68b40750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:04, skipping insertion in model container [2023-11-19 03:38:04,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:04" (1/1) ... [2023-11-19 03:38:04,336 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:38:04,958 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:38:05,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:05,878 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:38:05,902 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:38:05,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:06,121 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:38:06,121 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:38:06,122 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:38:06,122 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:38:06,122 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:38:06,122 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:38:06,132 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:38:06,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:06 WrapperNode [2023-11-19 03:38:06,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:06,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:06,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:38:06,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:38:06,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:06" (1/1) ... [2023-11-19 03:38:06,212 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:06" (1/1) ... [2023-11-19 03:38:06,245 INFO L138 Inliner]: procedures = 505, calls = 69, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2023-11-19 03:38:06,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:06,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:38:06,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:38:06,248 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:38:06,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:06" (1/1) ... [2023-11-19 03:38:06,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:06" (1/1) ... [2023-11-19 03:38:06,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:06" (1/1) ... [2023-11-19 03:38:06,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:06" (1/1) ... [2023-11-19 03:38:06,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:06" (1/1) ... [2023-11-19 03:38:06,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:06" (1/1) ... [2023-11-19 03:38:06,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:06" (1/1) ... [2023-11-19 03:38:06,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:06" (1/1) ... [2023-11-19 03:38:06,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:38:06,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:38:06,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:38:06,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:38:06,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:06" (1/1) ... [2023-11-19 03:38:06,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:06,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:38:06,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:38:06,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:38:06,392 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 03:38:06,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 03:38:06,393 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:38:06,393 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2023-11-19 03:38:06,393 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2023-11-19 03:38:06,393 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:38:06,394 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:38:06,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:38:06,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:38:06,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:38:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:38:06,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:38:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:38:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:38:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 03:38:06,640 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:38:06,643 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:38:07,002 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:38:07,050 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:38:07,050 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:38:07,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:07 BoogieIcfgContainer [2023-11-19 03:38:07,057 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:38:07,058 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:38:07,058 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:38:07,071 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:38:07,084 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:07" (1/1) ... [2023-11-19 03:38:07,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:38:07,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:07,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2023-11-19 03:38:07,184 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-11-19 03:38:07,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:38:07,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:07,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:38:07,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:38:07,200 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:38:07,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:38:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:07,419 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:38:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:07,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:38:07,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:07,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:38:07,517 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:38:07,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:38:07,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:07,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2023-11-19 03:38:07,599 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-11-19 03:38:07,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:38:07,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:07,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:38:07,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:38:07,605 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:38:07,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:38:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:07,838 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:38:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:07,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:38:07,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:07,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:38:07,892 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:38:07,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:38:07,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:07,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2023-11-19 03:38:07,931 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2023-11-19 03:38:07,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:38:07,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:07,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:38:07,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:38:07,934 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:38:07,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:38:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:08,153 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:38:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:08,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:38:08,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:08,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:38:08,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-19 03:38:08,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:08,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2023-11-19 03:38:08,441 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2023-11-19 03:38:08,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:38:08,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:08,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:38:08,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:38:08,449 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:38:08,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 03:38:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:08,622 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:38:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:08,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:38:08,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:08,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:38:08,717 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:38:08,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-19 03:38:08,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:08,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2023-11-19 03:38:08,827 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2023-11-19 03:38:08,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:38:08,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:08,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:38:08,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:38:08,832 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:38:08,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 03:38:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:38:09,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:38:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:38:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:38:09,387 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:38:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:38:09,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-19 03:38:09,494 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2023-11-19 03:38:09,557 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret96 could not be translated [2023-11-19 03:38:09,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret99 could not be translated [2023-11-19 03:38:09,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:38:09 ImpRootNode [2023-11-19 03:38:09,569 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:38:09,570 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:38:09,570 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:38:09,570 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:38:09,571 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:07" (3/4) ... [2023-11-19 03:38:09,573 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:38:09,575 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:38:09,576 INFO L158 Benchmark]: Toolchain (without parser) took 5323.23ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 60.3MB in the beginning and 53.2MB in the end (delta: 7.1MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2023-11-19 03:38:09,577 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 88.1MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:38:09,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1879.51ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 60.0MB in the beginning and 71.1MB in the end (delta: -11.1MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2023-11-19 03:38:09,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.85ms. Allocated memory is still 115.3MB. Free memory was 71.1MB in the beginning and 68.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:38:09,588 INFO L158 Benchmark]: Boogie Preprocessor took 45.89ms. Allocated memory is still 115.3MB. Free memory was 68.0MB in the beginning and 65.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:38:09,588 INFO L158 Benchmark]: RCFGBuilder took 763.17ms. Allocated memory is still 115.3MB. Free memory was 65.9MB in the beginning and 79.4MB in the end (delta: -13.6MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-11-19 03:38:09,590 INFO L158 Benchmark]: CodeCheck took 2511.21ms. Allocated memory is still 115.3MB. Free memory was 79.4MB in the beginning and 53.2MB in the end (delta: 26.3MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2023-11-19 03:38:09,591 INFO L158 Benchmark]: Witness Printer took 5.49ms. Allocated memory is still 115.3MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:38:09,601 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 4 procedures, 36 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 110 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 102 mSDtfsCounter, 96 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 485 GetRequests, 475 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 90 SizeOfPredicates, 0 NumberOfNonLiveVariables, 252 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 1574]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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); [L1597] 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={5:0}] [L1414] COND TRUE line != ((void *)0) [L1597] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1598] CALL CWE190_Integer_Overflow__int_fgets_multiply_12_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1570] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] COND TRUE globalReturnsTrueOrFalse() [L1572] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, 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 0.39ms. Allocated memory is still 88.1MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1879.51ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 60.0MB in the beginning and 71.1MB in the end (delta: -11.1MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.85ms. Allocated memory is still 115.3MB. Free memory was 71.1MB in the beginning and 68.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.89ms. Allocated memory is still 115.3MB. Free memory was 68.0MB in the beginning and 65.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 763.17ms. Allocated memory is still 115.3MB. Free memory was 65.9MB in the beginning and 79.4MB in the end (delta: -13.6MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * CodeCheck took 2511.21ms. Allocated memory is still 115.3MB. Free memory was 79.4MB in the beginning and 53.2MB in the end (delta: 26.3MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Witness Printer took 5.49ms. Allocated memory is still 115.3MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret99 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:38:09,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8fd2b-697c-43a7-9782-75a7dcd63efb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample