./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_f2de2a38-11f7-450a-a92e-92abb7dcd786/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2de2a38-11f7-450a-a92e-92abb7dcd786/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2de2a38-11f7-450a-a92e-92abb7dcd786/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2de2a38-11f7-450a-a92e-92abb7dcd786/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2de2a38-11f7-450a-a92e-92abb7dcd786/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2de2a38-11f7-450a-a92e-92abb7dcd786/bin/ukojak-verify-1t5iHCbJaC --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 16af5510ba2bebe358ba82315915c98e4167b53e73fa3c6dc359b1e8dace217b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:26:13,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:26:13,611 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2de2a38-11f7-450a-a92e-92abb7dcd786/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:26:13,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:26:13,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:26:13,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:26:13,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:26:13,644 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:26:13,645 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:26:13,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:26:13,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:26:13,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:26:13,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:26:13,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:26:13,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:26:13,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:26:13,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:26:13,651 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:26:13,651 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:26:13,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:26:13,653 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:26:13,654 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:26:13,654 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:26:13,655 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:26:13,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:26:13,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:13,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:26:13,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:26:13,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:26:13,659 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:26:13,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:26:13,660 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:26:13,660 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_f2de2a38-11f7-450a-a92e-92abb7dcd786/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2de2a38-11f7-450a-a92e-92abb7dcd786/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16af5510ba2bebe358ba82315915c98e4167b53e73fa3c6dc359b1e8dace217b [2023-11-23 20:26:13,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:26:14,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:26:14,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:26:14,062 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:26:14,064 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:26:14,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2de2a38-11f7-450a-a92e-92abb7dcd786/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_good.i [2023-11-23 20:26:17,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:26:17,717 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:26:17,717 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2de2a38-11f7-450a-a92e-92abb7dcd786/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_good.i [2023-11-23 20:26:17,747 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2de2a38-11f7-450a-a92e-92abb7dcd786/bin/ukojak-verify-1t5iHCbJaC/data/c56dc1c06/e73517936cb64b1eaa21c9649be4ed04/FLAG5192554d2 [2023-11-23 20:26:17,763 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2de2a38-11f7-450a-a92e-92abb7dcd786/bin/ukojak-verify-1t5iHCbJaC/data/c56dc1c06/e73517936cb64b1eaa21c9649be4ed04 [2023-11-23 20:26:17,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:26:17,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:26:17,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:17,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:26:17,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:26:17,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:17" (1/1) ... [2023-11-23 20:26:17,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@407e1fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:17, skipping insertion in model container [2023-11-23 20:26:17,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:17" (1/1) ... [2023-11-23 20:26:17,863 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:26:18,281 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:26:19,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:19,126 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:26:19,160 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:26:19,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:19,395 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:19,395 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:19,395 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:19,396 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:19,396 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:19,404 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:26:19,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:19 WrapperNode [2023-11-23 20:26:19,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:19,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:19,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:26:19,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:26:19,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:19" (1/1) ... [2023-11-23 20:26:19,443 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:19" (1/1) ... [2023-11-23 20:26:19,489 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 179 [2023-11-23 20:26:19,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:19,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:26:19,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:26:19,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:26:19,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:19" (1/1) ... [2023-11-23 20:26:19,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:19" (1/1) ... [2023-11-23 20:26:19,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:19" (1/1) ... [2023-11-23 20:26:19,537 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:19" (1/1) ... [2023-11-23 20:26:19,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:19" (1/1) ... [2023-11-23 20:26:19,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:19" (1/1) ... [2023-11-23 20:26:19,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:19" (1/1) ... [2023-11-23 20:26:19,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:19" (1/1) ... [2023-11-23 20:26:19,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:26:19,560 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:26:19,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:26:19,561 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:26:19,561 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:19" (1/1) ... [2023-11-23 20:26:19,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:19,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2de2a38-11f7-450a-a92e-92abb7dcd786/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:26:19,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2de2a38-11f7-450a-a92e-92abb7dcd786/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:26:19,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2de2a38-11f7-450a-a92e-92abb7dcd786/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:26:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:26:19,677 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:26:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:26:19,677 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:26:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:26:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:26:19,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:26:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:26:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:26:19,917 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:26:19,919 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:26:20,337 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:26:20,699 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:26:20,700 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-23 20:26:20,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:20 BoogieIcfgContainer [2023-11-23 20:26:20,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:26:20,704 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:26:20,704 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:26:20,715 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:26:20,715 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:20" (1/1) ... [2023-11-23 20:26:20,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:26:20,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:20,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2023-11-23 20:26:20,782 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2023-11-23 20:26:20,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:26:20,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:20,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:21,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:21,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:21,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 56 transitions. [2023-11-23 20:26:21,216 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2023-11-23 20:26:21,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:26:21,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:21,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:21,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:21,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:21,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 55 transitions. [2023-11-23 20:26:21,614 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2023-11-23 20:26:21,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:26:21,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:21,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:21,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:26:21,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:21,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 53 transitions. [2023-11-23 20:26:21,798 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2023-11-23 20:26:21,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:26:21,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:21,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:22,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:26:22,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:22,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 41 states and 52 transitions. [2023-11-23 20:26:22,158 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2023-11-23 20:26:22,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:26:22,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:22,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:22,274 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:26:22,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:22,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 47 transitions. [2023-11-23 20:26:22,308 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-23 20:26:22,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:26:22,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:22,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:22,443 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:26:22,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:22,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 46 transitions. [2023-11-23 20:26:22,533 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-11-23 20:26:22,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:26:22,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:22,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:22,681 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:26:22,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:22,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 44 transitions. [2023-11-23 20:26:22,730 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2023-11-23 20:26:22,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:26:22,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:22,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:22,865 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:26:22,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:22,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 36 states and 43 transitions. [2023-11-23 20:26:22,948 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2023-11-23 20:26:22,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:26:22,958 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-11-23 20:26:22,967 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-23 20:26:23,012 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:26:23,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:26:23 ImpRootNode [2023-11-23 20:26:23,017 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:26:23,017 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:26:23,017 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:26:23,018 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:26:23,018 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:20" (3/4) ... [2023-11-23 20:26:23,020 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:26:23,024 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:26:23,024 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:26:23,032 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2023-11-23 20:26:23,032 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-23 20:26:23,033 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 20:26:23,034 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:26:23,153 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2de2a38-11f7-450a-a92e-92abb7dcd786/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:26:23,153 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2de2a38-11f7-450a-a92e-92abb7dcd786/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:26:23,154 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:26:23,154 INFO L158 Benchmark]: Toolchain (without parser) took 5387.25ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 163.7MB in the beginning and 130.8MB in the end (delta: 32.8MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2023-11-23 20:26:23,155 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 134.2MB. Free memory was 109.6MB in the beginning and 109.5MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:26:23,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1622.86ms. Allocated memory is still 192.9MB. Free memory was 164.4MB in the beginning and 100.4MB in the end (delta: 64.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-23 20:26:23,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.28ms. Allocated memory is still 192.9MB. Free memory was 100.4MB in the beginning and 96.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:26:23,156 INFO L158 Benchmark]: Boogie Preprocessor took 63.70ms. Allocated memory is still 192.9MB. Free memory was 96.2MB in the beginning and 95.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:26:23,157 INFO L158 Benchmark]: RCFGBuilder took 1143.31ms. Allocated memory is still 192.9MB. Free memory was 95.1MB in the beginning and 94.4MB in the end (delta: 602.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:26:23,157 INFO L158 Benchmark]: CodeCheck took 2312.85ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 94.4MB in the beginning and 138.2MB in the end (delta: -43.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:26:23,158 INFO L158 Benchmark]: Witness Printer took 136.32ms. Allocated memory is still 232.8MB. Free memory was 138.2MB in the beginning and 130.8MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:26:23,160 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 3 procedures, 46 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 428 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 210 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 98 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 292 IncrementalHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 98 mSolverCounterUnsat, 182 mSDtfsCounter, 292 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 914 GetRequests, 890 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 170 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 28/28 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 - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1642]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 134.2MB. Free memory was 109.6MB in the beginning and 109.5MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1622.86ms. Allocated memory is still 192.9MB. Free memory was 164.4MB in the beginning and 100.4MB in the end (delta: 64.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.28ms. Allocated memory is still 192.9MB. Free memory was 100.4MB in the beginning and 96.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.70ms. Allocated memory is still 192.9MB. Free memory was 96.2MB in the beginning and 95.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1143.31ms. Allocated memory is still 192.9MB. Free memory was 95.1MB in the beginning and 94.4MB in the end (delta: 602.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2312.85ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 94.4MB in the beginning and 138.2MB in the end (delta: -43.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 136.32ms. Allocated memory is still 232.8MB. Free memory was 138.2MB in the beginning and 130.8MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:26:23,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2de2a38-11f7-450a-a92e-92abb7dcd786/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE