./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_a29eff48-0cc2-46c9-9fa4-65a5ccc8b852/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29eff48-0cc2-46c9-9fa4-65a5ccc8b852/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29eff48-0cc2-46c9-9fa4-65a5ccc8b852/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29eff48-0cc2-46c9-9fa4-65a5ccc8b852/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29eff48-0cc2-46c9-9fa4-65a5ccc8b852/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29eff48-0cc2-46c9-9fa4-65a5ccc8b852/bin/ukojak-verify-0OAaufAVZV --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 51ccbaa2988d04f4dc74974694add0529ac8a83852aa1c5cd464965ea1329ad9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:40,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:40,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29eff48-0cc2-46c9-9fa4-65a5ccc8b852/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:57:40,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:57:40,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:57:40,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:40,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:40,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:40,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:40,601 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:40,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:40,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:40,603 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:57:40,604 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:40,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:40,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:40,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:40,607 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:57:40,608 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:57:40,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:40,609 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:40,613 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:40,615 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:40,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:40,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:40,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:40,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:40,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:40,619 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:57:40,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:57:40,621 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:40,622 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_a29eff48-0cc2-46c9-9fa4-65a5ccc8b852/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29eff48-0cc2-46c9-9fa4-65a5ccc8b852/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51ccbaa2988d04f4dc74974694add0529ac8a83852aa1c5cd464965ea1329ad9 [2023-11-11 23:57:40,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:40,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:40,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:40,962 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:40,962 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:40,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29eff48-0cc2-46c9-9fa4-65a5ccc8b852/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_15_good.i [2023-11-11 23:57:44,081 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:44,491 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:44,492 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29eff48-0cc2-46c9-9fa4-65a5ccc8b852/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_15_good.i [2023-11-11 23:57:44,534 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29eff48-0cc2-46c9-9fa4-65a5ccc8b852/bin/ukojak-verify-0OAaufAVZV/data/2d2a52b76/3f8f10edcb2643a1ba05cf9782c73a5c/FLAG360f1bc81 [2023-11-11 23:57:44,556 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29eff48-0cc2-46c9-9fa4-65a5ccc8b852/bin/ukojak-verify-0OAaufAVZV/data/2d2a52b76/3f8f10edcb2643a1ba05cf9782c73a5c [2023-11-11 23:57:44,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:44,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:44,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:44,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:44,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:44,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:44" (1/1) ... [2023-11-11 23:57:44,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f47387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:44, skipping insertion in model container [2023-11-11 23:57:44,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:44" (1/1) ... [2023-11-11 23:57:44,685 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:45,131 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:57:45,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:45,939 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:45,960 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:57:46,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:46,268 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:46,268 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:46,268 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:46,269 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:46,269 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:46,269 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:46,277 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:46,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46 WrapperNode [2023-11-11 23:57:46,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:46,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:46,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:46,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:46,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,400 INFO L138 Inliner]: procedures = 504, calls = 99, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 192 [2023-11-11 23:57:46,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:46,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:46,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:46,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:46,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,455 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:46,462 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:46,462 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:46,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:46,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:46,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29eff48-0cc2-46c9-9fa4-65a5ccc8b852/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:46,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29eff48-0cc2-46c9-9fa4-65a5ccc8b852/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:46,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29eff48-0cc2-46c9-9fa4-65a5ccc8b852/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-11 23:57:46,547 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-11 23:57:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:57:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:57:46,548 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:57:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:57:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:57:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:46,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:57:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:57:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:57:46,712 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:46,714 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:47,069 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:47,121 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:47,122 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:57:47,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:47 BoogieIcfgContainer [2023-11-11 23:57:47,125 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:47,129 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:47,129 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:47,140 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:47,140 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:47" (1/1) ... [2023-11-11 23:57:47,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:57:47,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:47,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 75 states and 109 transitions. [2023-11-11 23:57:47,230 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2023-11-11 23:57:47,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:57:47,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:47,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:47,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:47,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:47,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 73 states and 104 transitions. [2023-11-11 23:57:47,621 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions. [2023-11-11 23:57:47,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:57:47,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:47,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:47,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:47,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:47,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 103 transitions. [2023-11-11 23:57:47,830 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 103 transitions. [2023-11-11 23:57:47,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:57:47,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:47,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:48,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:48,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:48,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 79 states and 113 transitions. [2023-11-11 23:57:48,160 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2023-11-11 23:57:48,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:57:48,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:48,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:48,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:48,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 71 states and 102 transitions. [2023-11-11 23:57:48,570 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 102 transitions. [2023-11-11 23:57:48,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:57:48,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:48,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:48,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:48,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:48,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 71 states and 101 transitions. [2023-11-11 23:57:48,756 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 101 transitions. [2023-11-11 23:57:48,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:57:48,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:48,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:48,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:48,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:48,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 70 states and 98 transitions. [2023-11-11 23:57:48,814 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2023-11-11 23:57:48,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:57:48,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:48,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:48,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:48,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:48,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 68 states and 93 transitions. [2023-11-11 23:57:48,918 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2023-11-11 23:57:48,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:57:48,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:48,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:49,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:49,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:49,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 67 states and 92 transitions. [2023-11-11 23:57:49,053 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2023-11-11 23:57:49,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:57:49,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:49,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:49,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:49,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:49,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 73 states and 100 transitions. [2023-11-11 23:57:49,340 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2023-11-11 23:57:49,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:57:49,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:49,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:49,502 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:57:49,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:49,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 66 states and 91 transitions. [2023-11-11 23:57:49,716 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2023-11-11 23:57:49,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:57:49,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:49,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:49,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:50,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:50,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 64 states and 86 transitions. [2023-11-11 23:57:50,030 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2023-11-11 23:57:50,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:57:50,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:50,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:50,225 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:57:50,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:50,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 67 states and 91 transitions. [2023-11-11 23:57:50,348 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2023-11-11 23:57:50,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:57:50,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:50,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:50,538 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:57:50,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:50,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 71 states and 97 transitions. [2023-11-11 23:57:50,862 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 97 transitions. [2023-11-11 23:57:50,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:57:50,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:50,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:50,953 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:57:51,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:51,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 61 states and 81 transitions. [2023-11-11 23:57:51,008 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2023-11-11 23:57:51,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:57:51,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:51,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:51,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:57:51,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:51,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 59 states and 76 transitions. [2023-11-11 23:57:51,410 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-11-11 23:57:51,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-11 23:57:51,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:51,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:51,597 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:57:51,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:51,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 62 states and 82 transitions. [2023-11-11 23:57:51,741 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2023-11-11 23:57:51,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-11 23:57:51,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:51,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:51,917 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:57:52,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:52,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 66 states and 89 transitions. [2023-11-11 23:57:52,267 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2023-11-11 23:57:52,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-11 23:57:52,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:52,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:52,384 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:57:52,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:52,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 55 states and 69 transitions. [2023-11-11 23:57:52,464 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2023-11-11 23:57:52,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:57:52,465 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2023-11-11 23:57:52,474 INFO L753 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-11 23:57:52,592 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:57:52,597 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:57:52,597 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:57:52,597 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:57:52,598 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:57:52,598 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:57:52,598 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:57:52,598 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:57:52,598 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:57:52,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:57:52 ImpRootNode [2023-11-11 23:57:52,599 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:57:52,600 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:57:52,600 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:57:52,600 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:57:52,601 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:47" (3/4) ... [2023-11-11 23:57:52,603 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:57:52,606 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-11 23:57:52,606 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-11 23:57:52,613 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2023-11-11 23:57:52,614 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-11 23:57:52,615 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-11 23:57:52,615 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-11 23:57:52,616 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:57:52,727 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29eff48-0cc2-46c9-9fa4-65a5ccc8b852/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:57:52,728 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29eff48-0cc2-46c9-9fa4-65a5ccc8b852/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:57:52,728 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:57:52,729 INFO L158 Benchmark]: Toolchain (without parser) took 8161.60ms. Allocated memory was 138.4MB in the beginning and 209.7MB in the end (delta: 71.3MB). Free memory was 88.6MB in the beginning and 55.8MB in the end (delta: 32.8MB). Peak memory consumption was 104.5MB. Max. memory is 16.1GB. [2023-11-11 23:57:52,729 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 138.4MB. Free memory was 87.1MB in the beginning and 87.0MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:52,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1707.20ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 88.6MB in the beginning and 106.5MB in the end (delta: -17.9MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2023-11-11 23:57:52,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.67ms. Allocated memory is still 174.1MB. Free memory was 106.5MB in the beginning and 103.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:57:52,731 INFO L158 Benchmark]: Boogie Preprocessor took 59.52ms. Allocated memory is still 174.1MB. Free memory was 103.5MB in the beginning and 101.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:57:52,731 INFO L158 Benchmark]: RCFGBuilder took 663.03ms. Allocated memory is still 174.1MB. Free memory was 101.5MB in the beginning and 80.0MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-11 23:57:52,731 INFO L158 Benchmark]: CodeCheck took 5470.63ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 80.0MB in the beginning and 62.0MB in the end (delta: 18.0MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2023-11-11 23:57:52,732 INFO L158 Benchmark]: Witness Printer took 128.50ms. Allocated memory is still 209.7MB. Free memory was 62.0MB in the beginning and 55.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:57:52,734 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, 75 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2356 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 396 mSDsluCounter, 2031 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 490 mSDsCounter, 559 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1144 IncrementalHoareTripleChecker+Invalid, 1703 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 559 mSolverCounterUnsat, 1541 mSDtfsCounter, 1144 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4219 GetRequests, 4124 SyntacticMatches, 13 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1849 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 468 NumberOfCodeBlocks, 468 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 450 ConstructedInterpolants, 0 QuantifiedInterpolants, 580 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 0.41ms. Allocated memory is still 138.4MB. Free memory was 87.1MB in the beginning and 87.0MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1707.20ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 88.6MB in the beginning and 106.5MB in the end (delta: -17.9MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.67ms. Allocated memory is still 174.1MB. Free memory was 106.5MB in the beginning and 103.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.52ms. Allocated memory is still 174.1MB. Free memory was 103.5MB in the beginning and 101.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 663.03ms. Allocated memory is still 174.1MB. Free memory was 101.5MB in the beginning and 80.0MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 5470.63ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 80.0MB in the beginning and 62.0MB in the end (delta: 18.0MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. * Witness Printer took 128.50ms. Allocated memory is still 209.7MB. Free memory was 62.0MB in the beginning and 55.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:57:52,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29eff48-0cc2-46c9-9fa4-65a5ccc8b852/bin/ukojak-verify-0OAaufAVZV/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