./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_04_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0006420-efe9-48af-9611-edf2924c6569/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0006420-efe9-48af-9611-edf2924c6569/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0006420-efe9-48af-9611-edf2924c6569/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0006420-efe9-48af-9611-edf2924c6569/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0006420-efe9-48af-9611-edf2924c6569/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0006420-efe9-48af-9611-edf2924c6569/bin/ukojak-verify-Qdu7aM0XO9 --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 a816139e02016fe056c5459527ca2767af0001b662ebf5d3a67caf49a45a776f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:33:16,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:33:16,595 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0006420-efe9-48af-9611-edf2924c6569/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 01:33:16,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:33:16,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:33:16,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:33:16,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:33:16,626 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:33:16,627 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:33:16,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:33:16,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:33:16,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:33:16,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:33:16,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:33:16,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:33:16,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:33:16,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:33:16,631 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:33:16,632 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:33:16,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:33:16,633 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:33:16,636 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:33:16,636 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:33:16,637 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:33:16,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:33:16,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:33:16,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:33:16,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:33:16,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:33:16,639 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:33:16,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:33:16,640 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:33:16,640 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_c0006420-efe9-48af-9611-edf2924c6569/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0006420-efe9-48af-9611-edf2924c6569/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a816139e02016fe056c5459527ca2767af0001b662ebf5d3a67caf49a45a776f [2023-12-03 01:33:16,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:33:16,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:33:16,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:33:16,884 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:33:16,885 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:33:16,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0006420-efe9-48af-9611-edf2924c6569/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_04_good.i [2023-12-03 01:33:19,616 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:33:19,914 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:33:19,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0006420-efe9-48af-9611-edf2924c6569/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_04_good.i [2023-12-03 01:33:19,939 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0006420-efe9-48af-9611-edf2924c6569/bin/ukojak-verify-Qdu7aM0XO9/data/9796c28f6/f82255e8ec4445c3a12f6c9b5d739c48/FLAGc70b7e57c [2023-12-03 01:33:19,954 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0006420-efe9-48af-9611-edf2924c6569/bin/ukojak-verify-Qdu7aM0XO9/data/9796c28f6/f82255e8ec4445c3a12f6c9b5d739c48 [2023-12-03 01:33:19,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:33:19,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:33:19,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:33:19,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:33:19,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:33:19,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:33:19" (1/1) ... [2023-12-03 01:33:19,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39b0e2ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:19, skipping insertion in model container [2023-12-03 01:33:19,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:33:19" (1/1) ... [2023-12-03 01:33:20,028 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:33:20,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:33:20,826 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:33:20,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:33:21,050 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:33:21,050 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:33:21,051 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:33:21,051 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:33:21,057 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:33:21,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:21 WrapperNode [2023-12-03 01:33:21,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:33:21,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:33:21,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:33:21,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:33:21,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:21" (1/1) ... [2023-12-03 01:33:21,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:21" (1/1) ... [2023-12-03 01:33:21,118 INFO L138 Inliner]: procedures = 502, calls = 70, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 105 [2023-12-03 01:33:21,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:33:21,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:33:21,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:33:21,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:33:21,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:21" (1/1) ... [2023-12-03 01:33:21,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:21" (1/1) ... [2023-12-03 01:33:21,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:21" (1/1) ... [2023-12-03 01:33:21,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:21" (1/1) ... [2023-12-03 01:33:21,137 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:21" (1/1) ... [2023-12-03 01:33:21,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:21" (1/1) ... [2023-12-03 01:33:21,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:21" (1/1) ... [2023-12-03 01:33:21,141 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:21" (1/1) ... [2023-12-03 01:33:21,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:33:21,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:33:21,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:33:21,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:33:21,145 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:21" (1/1) ... [2023-12-03 01:33:21,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:33:21,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0006420-efe9-48af-9611-edf2924c6569/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:33:21,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0006420-efe9-48af-9611-edf2924c6569/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:33:21,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0006420-efe9-48af-9611-edf2924c6569/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:33:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-03 01:33:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-03 01:33:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:33:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:33:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:33:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:33:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:33:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:33:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:33:21,366 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:33:21,368 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:33:21,524 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:33:21,571 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:33:21,572 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:33:21,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:33:21 BoogieIcfgContainer [2023-12-03 01:33:21,573 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:33:21,574 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:33:21,574 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:33:21,582 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:33:21,582 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:33:21" (1/1) ... [2023-12-03 01:33:21,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:33:21,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:21,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2023-12-03 01:33:21,639 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2023-12-03 01:33:21,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:33:21,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:21,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:21,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:33:21,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:21,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2023-12-03 01:33:21,918 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2023-12-03 01:33:21,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:33:21,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:21,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:22,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:33:22,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:22,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 47 states and 59 transitions. [2023-12-03 01:33:22,083 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-12-03 01:33:22,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 01:33:22,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:22,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:22,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:33:22,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:22,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 55 transitions. [2023-12-03 01:33:22,301 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2023-12-03 01:33:22,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 01:33:22,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:22,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:22,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:33:22,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:22,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 54 transitions. [2023-12-03 01:33:22,398 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2023-12-03 01:33:22,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:33:22,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:22,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:22,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:33:22,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:22,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 47 transitions. [2023-12-03 01:33:22,578 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-12-03 01:33:22,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:33:22,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:22,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:22,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:33:22,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:22,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 39 states and 46 transitions. [2023-12-03 01:33:22,928 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-12-03 01:33:22,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:33:22,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:22,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:33:23,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:23,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 41 states and 50 transitions. [2023-12-03 01:33:23,106 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-12-03 01:33:23,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 01:33:23,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:23,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:23,206 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:33:23,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:23,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 55 transitions. [2023-12-03 01:33:23,405 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2023-12-03 01:33:23,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:33:23,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:23,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:23,461 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:33:23,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:23,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 45 states and 56 transitions. [2023-12-03 01:33:23,754 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2023-12-03 01:33:23,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 01:33:23,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:23,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:23,786 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 01:33:24,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:24,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 35 states and 39 transitions. [2023-12-03 01:33:24,269 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-12-03 01:33:24,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 01:33:24,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:24,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:24,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:33:24,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:24,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 34 states and 38 transitions. [2023-12-03 01:33:24,778 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2023-12-03 01:33:24,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:33:24,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:24,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:24,912 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:33:25,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:25,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 33 states and 37 transitions. [2023-12-03 01:33:25,152 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-12-03 01:33:25,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 01:33:25,153 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2023-12-03 01:33:25,161 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-03 01:33:25,288 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:33:25,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:33:25 ImpRootNode [2023-12-03 01:33:25,292 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:33:25,293 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:33:25,293 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:33:25,293 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:33:25,294 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:33:21" (3/4) ... [2023-12-03 01:33:25,296 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 01:33:25,299 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-03 01:33:25,299 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-03 01:33:25,304 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-12-03 01:33:25,304 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-03 01:33:25,305 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 01:33:25,305 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:33:25,395 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0006420-efe9-48af-9611-edf2924c6569/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:33:25,396 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0006420-efe9-48af-9611-edf2924c6569/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 01:33:25,396 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:33:25,397 INFO L158 Benchmark]: Toolchain (without parser) took 5438.81ms. Allocated memory was 136.3MB in the beginning and 211.8MB in the end (delta: 75.5MB). Free memory was 95.7MB in the beginning and 149.1MB in the end (delta: -53.4MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2023-12-03 01:33:25,397 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 136.3MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:33:25,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1098.80ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 95.7MB in the beginning and 115.9MB in the end (delta: -20.2MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2023-12-03 01:33:25,398 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.87ms. Allocated memory is still 176.2MB. Free memory was 115.9MB in the beginning and 113.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:33:25,399 INFO L158 Benchmark]: Boogie Preprocessor took 24.20ms. Allocated memory is still 176.2MB. Free memory was 113.0MB in the beginning and 111.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:33:25,399 INFO L158 Benchmark]: RCFGBuilder took 429.14ms. Allocated memory is still 176.2MB. Free memory was 110.9MB in the beginning and 92.9MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 01:33:25,399 INFO L158 Benchmark]: CodeCheck took 3718.27ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 92.9MB in the beginning and 155.4MB in the end (delta: -62.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:33:25,400 INFO L158 Benchmark]: Witness Printer took 103.32ms. Allocated memory is still 211.8MB. Free memory was 154.4MB in the beginning and 149.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:33:25,401 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, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1100 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235 mSDsluCounter, 840 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 176 mSDsCounter, 301 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 884 IncrementalHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 301 mSolverCounterUnsat, 664 mSDtfsCounter, 884 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1829 GetRequests, 1739 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2760 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 427 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 50/50 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: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: 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: 1648]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 136.3MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1098.80ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 95.7MB in the beginning and 115.9MB in the end (delta: -20.2MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.87ms. Allocated memory is still 176.2MB. Free memory was 115.9MB in the beginning and 113.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.20ms. Allocated memory is still 176.2MB. Free memory was 113.0MB in the beginning and 111.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 429.14ms. Allocated memory is still 176.2MB. Free memory was 110.9MB in the beginning and 92.9MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 3718.27ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 92.9MB in the beginning and 155.4MB in the end (delta: -62.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 103.32ms. Allocated memory is still 211.8MB. Free memory was 154.4MB in the beginning and 149.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 01:33:25,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0006420-efe9-48af-9611-edf2924c6569/bin/ukojak-verify-Qdu7aM0XO9/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: TRUE