./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_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_aeecd1b0-3324-429a-a49a-d0dd0c08265b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeecd1b0-3324-429a-a49a-d0dd0c08265b/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeecd1b0-3324-429a-a49a-d0dd0c08265b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeecd1b0-3324-429a-a49a-d0dd0c08265b/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeecd1b0-3324-429a-a49a-d0dd0c08265b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeecd1b0-3324-429a-a49a-d0dd0c08265b/bin/ukojak-verify-afCqCEvfdi --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 ae5ba7d6fd7114a96c87d24a6261751fd332b98d07d1a53815b0c414e7d334e3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:31,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:31,672 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeecd1b0-3324-429a-a49a-d0dd0c08265b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:52:31,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:52:31,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:52:31,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:31,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:31,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:31,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:31,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:31,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:31,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:31,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:52:31,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:31,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:31,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:31,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:31,712 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:52:31,713 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:52:31,713 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:31,714 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:31,714 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:31,715 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:31,716 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:31,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:31,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:31,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:31,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:31,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:31,719 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:52:31,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:52:31,720 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:31,721 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_aeecd1b0-3324-429a-a49a-d0dd0c08265b/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeecd1b0-3324-429a-a49a-d0dd0c08265b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae5ba7d6fd7114a96c87d24a6261751fd332b98d07d1a53815b0c414e7d334e3 [2023-11-24 22:52:32,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:32,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:32,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:32,077 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:32,079 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:32,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeecd1b0-3324-429a-a49a-d0dd0c08265b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_good.i [2023-11-24 22:52:35,310 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:35,707 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:35,708 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeecd1b0-3324-429a-a49a-d0dd0c08265b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_good.i [2023-11-24 22:52:35,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeecd1b0-3324-429a-a49a-d0dd0c08265b/bin/ukojak-verify-afCqCEvfdi/data/7ab8d004f/d1064d0a834f496f89435dd66a769c3e/FLAGca869a6c8 [2023-11-24 22:52:35,756 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeecd1b0-3324-429a-a49a-d0dd0c08265b/bin/ukojak-verify-afCqCEvfdi/data/7ab8d004f/d1064d0a834f496f89435dd66a769c3e [2023-11-24 22:52:35,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:35,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:35,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:35,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:35,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:35,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:35" (1/1) ... [2023-11-24 22:52:35,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364111b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:35, skipping insertion in model container [2023-11-24 22:52:35,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:35" (1/1) ... [2023-11-24 22:52:35,849 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:37,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:37,083 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:37,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:37,451 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:37,452 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:37,452 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:37,452 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:37,453 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:37,461 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:37,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37 WrapperNode [2023-11-24 22:52:37,463 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:37,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:37,465 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:37,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:37,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:37,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:37,564 INFO L138 Inliner]: procedures = 503, calls = 98, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 219 [2023-11-24 22:52:37,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:37,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:37,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:37,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:37,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:37,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:37,581 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:37,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:37,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:37,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:37,607 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:37,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:37,627 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:37,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:37,629 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:37,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:37,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:37" (1/1) ... [2023-11-24 22:52:37,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:37,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeecd1b0-3324-429a-a49a-d0dd0c08265b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:37,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeecd1b0-3324-429a-a49a-d0dd0c08265b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:37,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeecd1b0-3324-429a-a49a-d0dd0c08265b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:37,698 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 22:52:37,698 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 22:52:37,698 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:52:37,698 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:52:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:52:37,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:52:37,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:52:37,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:37,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:37,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:52:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:52:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:52:37,869 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:37,871 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:38,159 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:38,239 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:38,240 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:52:38,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:38 BoogieIcfgContainer [2023-11-24 22:52:38,242 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:38,243 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:38,243 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:38,254 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:38,254 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:38" (1/1) ... [2023-11-24 22:52:38,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:38,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:38,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 87 states and 121 transitions. [2023-11-24 22:52:38,331 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 121 transitions. [2023-11-24 22:52:38,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:52:38,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:38,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:38,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:38,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:38,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 84 states and 115 transitions. [2023-11-24 22:52:38,726 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 115 transitions. [2023-11-24 22:52:38,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:52:38,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:38,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:38,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:38,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:38,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 83 states and 114 transitions. [2023-11-24 22:52:38,957 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 114 transitions. [2023-11-24 22:52:38,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:52:38,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:38,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:39,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:39,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:39,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 90 states and 124 transitions. [2023-11-24 22:52:39,216 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 124 transitions. [2023-11-24 22:52:39,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:52:39,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:39,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:39,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:39,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:39,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 82 states and 113 transitions. [2023-11-24 22:52:39,449 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 113 transitions. [2023-11-24 22:52:39,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:52:39,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:39,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:39,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:39,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:39,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 82 states and 112 transitions. [2023-11-24 22:52:39,653 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 112 transitions. [2023-11-24 22:52:39,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:52:39,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:39,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:39,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:39,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:39,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 80 states and 108 transitions. [2023-11-24 22:52:39,742 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 108 transitions. [2023-11-24 22:52:39,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:52:39,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:39,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:39,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:39,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:39,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 77 states and 102 transitions. [2023-11-24 22:52:39,873 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 102 transitions. [2023-11-24 22:52:39,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:52:39,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:39,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:39,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:40,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:40,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 76 states and 101 transitions. [2023-11-24 22:52:40,014 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 101 transitions. [2023-11-24 22:52:40,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:52:40,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:40,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:40,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:40,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:40,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 82 states and 109 transitions. [2023-11-24 22:52:40,230 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2023-11-24 22:52:40,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:52:40,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:40,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:40,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:40,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:40,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 82 states and 108 transitions. [2023-11-24 22:52:40,440 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 108 transitions. [2023-11-24 22:52:40,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:52:40,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:40,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:40,563 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:40,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:40,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 72 states and 94 transitions. [2023-11-24 22:52:40,736 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2023-11-24 22:52:40,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:52:40,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:40,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:40,867 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:40,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:40,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 75 states and 99 transitions. [2023-11-24 22:52:40,925 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2023-11-24 22:52:40,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:52:40,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:40,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:41,045 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:41,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:41,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 79 states and 105 transitions. [2023-11-24 22:52:41,165 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 105 transitions. [2023-11-24 22:52:41,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:52:41,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:41,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:41,260 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:52:41,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:41,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 68 states and 88 transitions. [2023-11-24 22:52:41,312 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2023-11-24 22:52:41,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:52:41,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:41,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:41,390 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:41,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:41,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 65 states and 82 transitions. [2023-11-24 22:52:41,604 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2023-11-24 22:52:41,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:52:41,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:41,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:41,701 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:41,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:41,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 68 states and 88 transitions. [2023-11-24 22:52:41,763 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2023-11-24 22:52:41,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:52:41,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:41,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:41,852 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:41,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:41,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 61 states and 75 transitions. [2023-11-24 22:52:41,916 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2023-11-24 22:52:41,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:52:41,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:41,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:42,031 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:42,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:42,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 60 states and 74 transitions. [2023-11-24 22:52:42,189 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2023-11-24 22:52:42,189 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:52:42,189 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2023-11-24 22:52:42,200 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 22:52:42,373 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:52:42,378 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:52:42,378 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:52:42,378 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:52:42,379 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:52:42,379 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:52:42,379 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:52:42,379 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:52:42,379 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:52:42,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:52:42 ImpRootNode [2023-11-24 22:52:42,381 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:52:42,382 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:52:42,383 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:52:42,383 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:52:42,384 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:38" (3/4) ... [2023-11-24 22:52:42,386 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:52:42,390 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 22:52:42,390 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 22:52:42,401 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2023-11-24 22:52:42,402 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-24 22:52:42,403 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-24 22:52:42,404 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-24 22:52:42,404 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:52:42,575 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeecd1b0-3324-429a-a49a-d0dd0c08265b/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:52:42,576 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeecd1b0-3324-429a-a49a-d0dd0c08265b/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:52:42,576 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:52:42,577 INFO L158 Benchmark]: Toolchain (without parser) took 6816.03ms. Allocated memory was 140.5MB in the beginning and 237.0MB in the end (delta: 96.5MB). Free memory was 89.8MB in the beginning and 185.9MB in the end (delta: -96.1MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2023-11-24 22:52:42,577 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 140.5MB. Free memory is still 110.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:42,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1701.33ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 89.5MB in the beginning and 128.9MB in the end (delta: -39.4MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2023-11-24 22:52:42,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.47ms. Allocated memory is still 190.8MB. Free memory was 128.9MB in the beginning and 125.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:42,578 INFO L158 Benchmark]: Boogie Preprocessor took 61.07ms. Allocated memory is still 190.8MB. Free memory was 125.8MB in the beginning and 123.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:42,579 INFO L158 Benchmark]: RCFGBuilder took 613.56ms. Allocated memory is still 190.8MB. Free memory was 123.6MB in the beginning and 100.6MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:42,579 INFO L158 Benchmark]: CodeCheck took 4138.93ms. Allocated memory was 190.8MB in the beginning and 237.0MB in the end (delta: 46.1MB). Free memory was 100.6MB in the beginning and 193.1MB in the end (delta: -92.5MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2023-11-24 22:52:42,580 INFO L158 Benchmark]: Witness Printer took 193.89ms. Allocated memory is still 237.0MB. Free memory was 193.1MB in the beginning and 185.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:52:42,582 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, 87 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2599 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 496 mSDsluCounter, 2331 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 597 mSDsCounter, 450 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1038 IncrementalHoareTripleChecker+Invalid, 1488 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 450 mSolverCounterUnsat, 1734 mSDtfsCounter, 1038 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4194 GetRequests, 4119 SyntacticMatches, 13 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1068 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 473 ConstructedInterpolants, 0 QuantifiedInterpolants, 607 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 66/66 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: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1649]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1649]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1676]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1676]: 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: 1672]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1594]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1645]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1663]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1636]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 140.5MB. Free memory is still 110.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1701.33ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 89.5MB in the beginning and 128.9MB in the end (delta: -39.4MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.47ms. Allocated memory is still 190.8MB. Free memory was 128.9MB in the beginning and 125.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.07ms. Allocated memory is still 190.8MB. Free memory was 125.8MB in the beginning and 123.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 613.56ms. Allocated memory is still 190.8MB. Free memory was 123.6MB in the beginning and 100.6MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 4138.93ms. Allocated memory was 190.8MB in the beginning and 237.0MB in the end (delta: 46.1MB). Free memory was 100.6MB in the beginning and 193.1MB in the end (delta: -92.5MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. * Witness Printer took 193.89ms. Allocated memory is still 237.0MB. Free memory was 193.1MB in the beginning and 185.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:52:42,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeecd1b0-3324-429a-a49a-d0dd0c08265b/bin/ukojak-verify-afCqCEvfdi/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