./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_6c8df365-f22e-4921-b4cd-959db960d560/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8df365-f22e-4921-b4cd-959db960d560/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8df365-f22e-4921-b4cd-959db960d560/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8df365-f22e-4921-b4cd-959db960d560/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8df365-f22e-4921-b4cd-959db960d560/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8df365-f22e-4921-b4cd-959db960d560/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 93bebbdc3ee9cd81b94f94132366dd7fabe0e91bdb03bdb4a54f809725af6783 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:16:08,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:16:08,473 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8df365-f22e-4921-b4cd-959db960d560/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:16:08,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:16:08,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:16:08,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:16:08,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:16:08,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:16:08,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:16:08,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:16:08,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:16:08,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:16:08,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:16:08,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:16:08,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:16:08,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:16:08,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:16:08,511 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:16:08,511 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:16:08,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:16:08,512 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:16:08,513 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:16:08,513 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:16:08,514 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:16:08,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:16:08,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:08,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:16:08,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:16:08,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:16:08,517 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:16:08,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:16:08,517 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:16:08,518 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_6c8df365-f22e-4921-b4cd-959db960d560/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8df365-f22e-4921-b4cd-959db960d560/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93bebbdc3ee9cd81b94f94132366dd7fabe0e91bdb03bdb4a54f809725af6783 [2023-11-19 03:16:08,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:16:08,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:16:08,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:16:08,812 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:16:08,813 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:16:08,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8df365-f22e-4921-b4cd-959db960d560/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_11_good.i [2023-11-19 03:16:11,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:16:12,403 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:16:12,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8df365-f22e-4921-b4cd-959db960d560/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_11_good.i [2023-11-19 03:16:12,439 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8df365-f22e-4921-b4cd-959db960d560/bin/ukojak-verify-G8NBE6pJGL/data/039bf6f8d/8437371b153d47249bef049567203f24/FLAG459551250 [2023-11-19 03:16:12,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8df365-f22e-4921-b4cd-959db960d560/bin/ukojak-verify-G8NBE6pJGL/data/039bf6f8d/8437371b153d47249bef049567203f24 [2023-11-19 03:16:12,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:16:12,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:16:12,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:12,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:16:12,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:16:12,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:12" (1/1) ... [2023-11-19 03:16:12,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@462ca82a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:12, skipping insertion in model container [2023-11-19 03:16:12,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:12" (1/1) ... [2023-11-19 03:16:12,577 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:16:12,966 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:16:13,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:13,507 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:16:13,533 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:16:13,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:13,816 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:16:13,829 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:16:13,829 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:16:13,830 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:16:13,830 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:16:13,830 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:16:13,855 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:16:13,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13 WrapperNode [2023-11-19 03:16:13,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:13,857 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:13,857 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:16:13,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:16:13,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:13,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:13,975 INFO L138 Inliner]: procedures = 504, calls = 95, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 156 [2023-11-19 03:16:13,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:13,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:16:13,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:16:13,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:16:13,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:13,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:14,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:14,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:14,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:14,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:14,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:14,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:14,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:16:14,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:16:14,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:16:14,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:16:14,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:14,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:14,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8df365-f22e-4921-b4cd-959db960d560/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:16:14,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8df365-f22e-4921-b4cd-959db960d560/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:16:14,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8df365-f22e-4921-b4cd-959db960d560/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:16:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 03:16:14,118 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 03:16:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:16:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:16:14,118 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:16:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-11-19 03:16:14,119 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-11-19 03:16:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:16:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:16:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:16:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:16:14,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:16:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:16:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2023-11-19 03:16:14,122 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2023-11-19 03:16:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:16:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:16:14,303 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:16:14,306 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:16:14,598 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:16:14,674 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:16:14,674 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:16:14,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:14 BoogieIcfgContainer [2023-11-19 03:16:14,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:16:14,682 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:16:14,683 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:16:14,693 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:16:14,693 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:14" (1/1) ... [2023-11-19 03:16:14,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:16:14,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:14,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 77 states and 103 transitions. [2023-11-19 03:16:14,782 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2023-11-19 03:16:14,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:16:14,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:14,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:15,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:15,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:15,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 77 states and 102 transitions. [2023-11-19 03:16:15,194 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 102 transitions. [2023-11-19 03:16:15,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:16:15,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:15,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:15,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:15,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:15,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 76 states and 101 transitions. [2023-11-19 03:16:15,399 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 101 transitions. [2023-11-19 03:16:15,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:16:15,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:15,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:15,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:15,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:15,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 83 states and 111 transitions. [2023-11-19 03:16:15,694 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2023-11-19 03:16:15,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:16:15,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:15,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:15,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:16:16,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:16,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 75 states and 100 transitions. [2023-11-19 03:16:16,048 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2023-11-19 03:16:16,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:16:16,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:16,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:16,227 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:16:16,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:16,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 74 states and 97 transitions. [2023-11-19 03:16:16,421 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-11-19 03:16:16,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:16:16,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:16,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:16,573 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:16:16,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:16,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 74 states and 96 transitions. [2023-11-19 03:16:16,627 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2023-11-19 03:16:16,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:16:16,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:16,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:16,752 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:16:16,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:16,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 73 states and 95 transitions. [2023-11-19 03:16:16,795 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2023-11-19 03:16:16,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:16:16,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:16,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:16,978 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:16:17,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:17,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 80 states and 105 transitions. [2023-11-19 03:16:17,159 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 105 transitions. [2023-11-19 03:16:17,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:16:17,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:17,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:17,333 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:16:17,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:17,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 72 states and 94 transitions. [2023-11-19 03:16:17,560 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2023-11-19 03:16:17,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:16:17,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:17,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:17,714 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:16:17,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:17,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 72 states and 93 transitions. [2023-11-19 03:16:17,913 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2023-11-19 03:16:17,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:16:17,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:17,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:18,076 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:16:18,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:18,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 76 states and 100 transitions. [2023-11-19 03:16:18,189 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2023-11-19 03:16:18,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:16:18,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:18,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:18,389 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:16:18,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:18,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 81 states and 108 transitions. [2023-11-19 03:16:18,693 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 108 transitions. [2023-11-19 03:16:18,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:16:18,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:18,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:18,804 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:16:18,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:18,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 69 states and 88 transitions. [2023-11-19 03:16:18,878 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2023-11-19 03:16:18,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:16:18,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:18,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:18,999 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-19 03:16:19,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:19,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 69 states and 87 transitions. [2023-11-19 03:16:19,289 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2023-11-19 03:16:19,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:16:19,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:19,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:19,603 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-19 03:16:19,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:19,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 68 states and 86 transitions. [2023-11-19 03:16:19,823 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2023-11-19 03:16:19,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 03:16:19,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:19,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:20,071 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-19 03:16:20,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:20,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 67 states and 85 transitions. [2023-11-19 03:16:20,461 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2023-11-19 03:16:20,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:16:20,462 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2023-11-19 03:16:20,470 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-19 03:16:20,631 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:20,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:16:20 ImpRootNode [2023-11-19 03:16:20,636 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:16:20,637 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:16:20,637 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:16:20,637 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:16:20,637 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:14" (3/4) ... [2023-11-19 03:16:20,639 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:16:20,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 03:16:20,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2023-11-19 03:16:20,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 03:16:20,644 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2023-11-19 03:16:20,650 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-19 03:16:20,651 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 03:16:20,651 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 03:16:20,652 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:16:20,652 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:16:20,783 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8df365-f22e-4921-b4cd-959db960d560/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:16:20,784 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8df365-f22e-4921-b4cd-959db960d560/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:16:20,784 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:16:20,785 INFO L158 Benchmark]: Toolchain (without parser) took 8318.70ms. Allocated memory was 188.7MB in the beginning and 232.8MB in the end (delta: 44.0MB). Free memory was 152.8MB in the beginning and 67.5MB in the end (delta: 85.2MB). Peak memory consumption was 132.3MB. Max. memory is 16.1GB. [2023-11-19 03:16:20,785 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory was 84.9MB in the beginning and 84.7MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:16:20,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1387.08ms. Allocated memory is still 188.7MB. Free memory was 152.6MB in the beginning and 150.2MB in the end (delta: 2.4MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2023-11-19 03:16:20,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.56ms. Allocated memory is still 188.7MB. Free memory was 150.2MB in the beginning and 146.4MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:16:20,786 INFO L158 Benchmark]: Boogie Preprocessor took 60.73ms. Allocated memory is still 188.7MB. Free memory was 146.4MB in the beginning and 145.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:16:20,787 INFO L158 Benchmark]: RCFGBuilder took 642.92ms. Allocated memory is still 188.7MB. Free memory was 145.1MB in the beginning and 124.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:16:20,787 INFO L158 Benchmark]: CodeCheck took 5954.13ms. Allocated memory was 188.7MB in the beginning and 232.8MB in the end (delta: 44.0MB). Free memory was 124.2MB in the beginning and 73.7MB in the end (delta: 50.4MB). Peak memory consumption was 96.3MB. Max. memory is 16.1GB. [2023-11-19 03:16:20,788 INFO L158 Benchmark]: Witness Printer took 147.39ms. Allocated memory is still 232.8MB. Free memory was 73.7MB in the beginning and 67.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:16:20,790 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 5 procedures, 77 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2511 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 462 mSDsluCounter, 1917 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 288 mSDsCounter, 561 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1788 IncrementalHoareTripleChecker+Invalid, 2349 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 561 mSolverCounterUnsat, 1629 mSDtfsCounter, 1788 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5047 GetRequests, 4947 SyntacticMatches, 14 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1855 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 652 NumberOfCodeBlocks, 652 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 636 ConstructedInterpolants, 0 QuantifiedInterpolants, 836 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 236/242 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: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: 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: 1666]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory was 84.9MB in the beginning and 84.7MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1387.08ms. Allocated memory is still 188.7MB. Free memory was 152.6MB in the beginning and 150.2MB in the end (delta: 2.4MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.56ms. Allocated memory is still 188.7MB. Free memory was 150.2MB in the beginning and 146.4MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.73ms. Allocated memory is still 188.7MB. Free memory was 146.4MB in the beginning and 145.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 642.92ms. Allocated memory is still 188.7MB. Free memory was 145.1MB in the beginning and 124.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 5954.13ms. Allocated memory was 188.7MB in the beginning and 232.8MB in the end (delta: 44.0MB). Free memory was 124.2MB in the beginning and 73.7MB in the end (delta: 50.4MB). Peak memory consumption was 96.3MB. Max. memory is 16.1GB. * Witness Printer took 147.39ms. Allocated memory is still 232.8MB. Free memory was 73.7MB in the beginning and 67.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:16:20,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8df365-f22e-4921-b4cd-959db960d560/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE