./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6092d9d8-10b4-43de-afaa-4c0af50b01a7/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6092d9d8-10b4-43de-afaa-4c0af50b01a7/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6092d9d8-10b4-43de-afaa-4c0af50b01a7/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6092d9d8-10b4-43de-afaa-4c0af50b01a7/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6092d9d8-10b4-43de-afaa-4c0af50b01a7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6092d9d8-10b4-43de-afaa-4c0af50b01a7/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f797f7560f2d6968129c886a722f9d52cd41e157726d25a985e72ae8caba1f76 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:10,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:10,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6092d9d8-10b4-43de-afaa-4c0af50b01a7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:13:10,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:13:10,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:13:10,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:10,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:10,767 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:13:10,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:10,773 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:10,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:10,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:10,775 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:13:10,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:10,777 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:10,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:10,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:10,778 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:13:10,779 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:13:10,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:10,779 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:10,780 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:10,781 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:10,781 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:10,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:10,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:10,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:10,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:10,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:10,784 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:13:10,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:13:10,785 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:10,785 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_6092d9d8-10b4-43de-afaa-4c0af50b01a7/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6092d9d8-10b4-43de-afaa-4c0af50b01a7/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f797f7560f2d6968129c886a722f9d52cd41e157726d25a985e72ae8caba1f76 [2023-11-24 23:13:11,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:11,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:11,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:11,064 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:11,065 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:11,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6092d9d8-10b4-43de-afaa-4c0af50b01a7/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_good.i [2023-11-24 23:13:14,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:14,686 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:14,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6092d9d8-10b4-43de-afaa-4c0af50b01a7/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_good.i [2023-11-24 23:13:14,725 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6092d9d8-10b4-43de-afaa-4c0af50b01a7/bin/ukojak-verify-afCqCEvfdi/data/8c2cfa5b8/42c7110ba1be4c368286b3fcdd47040d/FLAG27a64092e [2023-11-24 23:13:14,746 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6092d9d8-10b4-43de-afaa-4c0af50b01a7/bin/ukojak-verify-afCqCEvfdi/data/8c2cfa5b8/42c7110ba1be4c368286b3fcdd47040d [2023-11-24 23:13:14,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:14,755 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:14,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:14,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:14,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:14,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:14" (1/1) ... [2023-11-24 23:13:14,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f2e590d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:14, skipping insertion in model container [2023-11-24 23:13:14,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:14" (1/1) ... [2023-11-24 23:13:14,848 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:15,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:15,964 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:16,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:16,308 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:16,308 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:16,308 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:16,308 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:16,309 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:16,317 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:16,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:16 WrapperNode [2023-11-24 23:13:16,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:16,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:16,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:16,320 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:16,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:16" (1/1) ... [2023-11-24 23:13:16,386 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:16" (1/1) ... [2023-11-24 23:13:16,444 INFO L138 Inliner]: procedures = 505, calls = 85, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 130 [2023-11-24 23:13:16,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:16,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:16,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:16,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:16,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:16" (1/1) ... [2023-11-24 23:13:16,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:16" (1/1) ... [2023-11-24 23:13:16,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:16" (1/1) ... [2023-11-24 23:13:16,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:16" (1/1) ... [2023-11-24 23:13:16,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:16" (1/1) ... [2023-11-24 23:13:16,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:16" (1/1) ... [2023-11-24 23:13:16,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:16" (1/1) ... [2023-11-24 23:13:16,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:16" (1/1) ... [2023-11-24 23:13:16,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:16,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:16,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:16,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:16,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:16" (1/1) ... [2023-11-24 23:13:16,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:16,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6092d9d8-10b4-43de-afaa-4c0af50b01a7/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:16,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6092d9d8-10b4-43de-afaa-4c0af50b01a7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:16,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6092d9d8-10b4-43de-afaa-4c0af50b01a7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 23:13:16,586 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 23:13:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 23:13:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:13:16,587 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:13:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:13:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:13:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:13:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:13:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:13:16,799 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:16,802 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:17,050 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:17,113 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:17,114 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:13:17,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:17 BoogieIcfgContainer [2023-11-24 23:13:17,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:17,117 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:17,117 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:17,133 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:17,134 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:17" (1/1) ... [2023-11-24 23:13:17,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:17,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:17,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2023-11-24 23:13:17,193 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2023-11-24 23:13:17,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:13:17,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:17,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:17,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:17,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:17,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2023-11-24 23:13:17,846 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-24 23:13:17,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:13:17,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:17,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:18,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:18,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:18,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2023-11-24 23:13:18,078 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2023-11-24 23:13:18,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:13:18,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:18,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:18,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:13:18,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:18,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 48 states and 62 transitions. [2023-11-24 23:13:18,271 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2023-11-24 23:13:18,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:13:18,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:18,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:18,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:13:18,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:18,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 58 transitions. [2023-11-24 23:13:18,446 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2023-11-24 23:13:18,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:13:18,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:18,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:18,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:13:18,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:18,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 64 transitions. [2023-11-24 23:13:18,771 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2023-11-24 23:13:18,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:13:18,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:18,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:18,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:13:19,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:19,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 50 states and 63 transitions. [2023-11-24 23:13:19,034 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2023-11-24 23:13:19,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:13:19,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:19,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:19,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:13:19,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:19,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 62 transitions. [2023-11-24 23:13:19,251 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2023-11-24 23:13:19,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:13:19,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:19,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:19,387 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:13:19,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:19,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 44 states and 55 transitions. [2023-11-24 23:13:19,500 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2023-11-24 23:13:19,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:13:19,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:19,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:19,626 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:13:19,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:19,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 54 transitions. [2023-11-24 23:13:19,678 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2023-11-24 23:13:19,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:13:19,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:19,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:19,766 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:13:19,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:19,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 42 states and 53 transitions. [2023-11-24 23:13:19,785 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2023-11-24 23:13:19,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:13:19,786 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2023-11-24 23:13:19,799 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-24 23:13:19,903 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:13:19,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:13:19 ImpRootNode [2023-11-24 23:13:19,910 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:13:19,910 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:13:19,911 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:13:19,911 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:13:19,911 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:17" (3/4) ... [2023-11-24 23:13:19,913 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:13:19,917 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 23:13:19,917 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 23:13:19,926 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-24 23:13:19,927 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-24 23:13:19,927 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:13:19,928 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:13:19,929 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:13:20,060 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6092d9d8-10b4-43de-afaa-4c0af50b01a7/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:13:20,061 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6092d9d8-10b4-43de-afaa-4c0af50b01a7/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:13:20,061 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:13:20,062 INFO L158 Benchmark]: Toolchain (without parser) took 5307.25ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 86.6MB in the beginning and 67.4MB in the end (delta: 19.3MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2023-11-24 23:13:20,062 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:20,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1560.30ms. Allocated memory is still 130.0MB. Free memory was 86.5MB in the beginning and 57.7MB in the end (delta: 28.8MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2023-11-24 23:13:20,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.61ms. Allocated memory is still 130.0MB. Free memory was 57.7MB in the beginning and 95.2MB in the end (delta: -37.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-11-24 23:13:20,063 INFO L158 Benchmark]: Boogie Preprocessor took 33.45ms. Allocated memory is still 130.0MB. Free memory was 95.2MB in the beginning and 93.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:20,064 INFO L158 Benchmark]: RCFGBuilder took 636.19ms. Allocated memory is still 130.0MB. Free memory was 93.8MB in the beginning and 74.3MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:13:20,064 INFO L158 Benchmark]: CodeCheck took 2793.32ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 74.3MB in the beginning and 73.7MB in the end (delta: 626.0kB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-11-24 23:13:20,064 INFO L158 Benchmark]: Witness Printer took 150.68ms. Allocated memory is still 157.3MB. Free memory was 73.7MB in the beginning and 67.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:13:20,066 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, 50 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 692 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 142 mSDsluCounter, 552 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 123 mSDsCounter, 166 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 453 IncrementalHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 166 mSolverCounterUnsat, 429 mSDtfsCounter, 453 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1410 GetRequests, 1364 SyntacticMatches, 8 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 258 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1656]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1656]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1609]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1560.30ms. Allocated memory is still 130.0MB. Free memory was 86.5MB in the beginning and 57.7MB in the end (delta: 28.8MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.61ms. Allocated memory is still 130.0MB. Free memory was 57.7MB in the beginning and 95.2MB in the end (delta: -37.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.45ms. Allocated memory is still 130.0MB. Free memory was 95.2MB in the beginning and 93.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 636.19ms. Allocated memory is still 130.0MB. Free memory was 93.8MB in the beginning and 74.3MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2793.32ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 74.3MB in the beginning and 73.7MB in the end (delta: 626.0kB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * Witness Printer took 150.68ms. Allocated memory is still 157.3MB. Free memory was 73.7MB in the beginning and 67.4MB 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! [2023-11-24 23:13:20,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6092d9d8-10b4-43de-afaa-4c0af50b01a7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE