./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438f77c5-261c-4c78-8e13-ba04ee452eea/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438f77c5-261c-4c78-8e13-ba04ee452eea/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438f77c5-261c-4c78-8e13-ba04ee452eea/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438f77c5-261c-4c78-8e13-ba04ee452eea/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438f77c5-261c-4c78-8e13-ba04ee452eea/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438f77c5-261c-4c78-8e13-ba04ee452eea/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dda1dbc018b4bfc76fcbb38c3b9fdc56007312d0375f9717b22212f88b410ef7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:24:46,030 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:24:46,093 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438f77c5-261c-4c78-8e13-ba04ee452eea/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 02:24:46,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:24:46,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:24:46,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:24:46,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:24:46,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:24:46,120 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:24:46,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:24:46,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:24:46,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:24:46,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:24:46,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:24:46,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:24:46,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:24:46,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:24:46,125 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:24:46,125 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:24:46,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:24:46,126 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:24:46,127 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:24:46,127 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:24:46,128 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:24:46,128 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:24:46,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:24:46,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:24:46,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:24:46,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:24:46,131 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:24:46,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:24:46,131 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:24:46,132 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_438f77c5-261c-4c78-8e13-ba04ee452eea/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438f77c5-261c-4c78-8e13-ba04ee452eea/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dda1dbc018b4bfc76fcbb38c3b9fdc56007312d0375f9717b22212f88b410ef7 [2023-12-03 02:24:46,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:24:46,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:24:46,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:24:46,369 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:24:46,369 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:24:46,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438f77c5-261c-4c78-8e13-ba04ee452eea/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_good.i [2023-12-03 02:24:49,177 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:24:49,510 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:24:49,511 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438f77c5-261c-4c78-8e13-ba04ee452eea/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_good.i [2023-12-03 02:24:49,535 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438f77c5-261c-4c78-8e13-ba04ee452eea/bin/ukojak-verify-Qdu7aM0XO9/data/447a27935/004a6d63b8d54bc39a476383b0b3dfcd/FLAGf90e0d6b3 [2023-12-03 02:24:49,549 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438f77c5-261c-4c78-8e13-ba04ee452eea/bin/ukojak-verify-Qdu7aM0XO9/data/447a27935/004a6d63b8d54bc39a476383b0b3dfcd [2023-12-03 02:24:49,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:24:49,554 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:24:49,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:24:49,555 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:24:49,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:24:49,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:24:49" (1/1) ... [2023-12-03 02:24:49,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@117b86ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:49, skipping insertion in model container [2023-12-03 02:24:49,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:24:49" (1/1) ... [2023-12-03 02:24:49,610 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:24:50,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:24:50,361 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:24:50,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:24:50,596 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:24:50,597 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:24:50,597 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:24:50,597 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:24:50,605 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:24:50,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:50 WrapperNode [2023-12-03 02:24:50,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:24:50,607 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:24:50,607 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:24:50,607 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:24:50,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:50" (1/1) ... [2023-12-03 02:24:50,639 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:50" (1/1) ... [2023-12-03 02:24:50,669 INFO L138 Inliner]: procedures = 504, calls = 94, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 161 [2023-12-03 02:24:50,670 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:24:50,670 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:24:50,670 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:24:50,671 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:24:50,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:50" (1/1) ... [2023-12-03 02:24:50,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:50" (1/1) ... [2023-12-03 02:24:50,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:50" (1/1) ... [2023-12-03 02:24:50,685 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:50" (1/1) ... [2023-12-03 02:24:50,692 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:50" (1/1) ... [2023-12-03 02:24:50,694 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:50" (1/1) ... [2023-12-03 02:24:50,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:50" (1/1) ... [2023-12-03 02:24:50,697 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:50" (1/1) ... [2023-12-03 02:24:50,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:24:50,700 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:24:50,701 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:24:50,701 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:24:50,701 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:50" (1/1) ... [2023-12-03 02:24:50,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:24:50,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438f77c5-261c-4c78-8e13-ba04ee452eea/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:24:50,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438f77c5-261c-4c78-8e13-ba04ee452eea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:24:50,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438f77c5-261c-4c78-8e13-ba04ee452eea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:24:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-03 02:24:50,769 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-03 02:24:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:24:50,769 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:24:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:24:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:24:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:24:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:24:50,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:24:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-12-03 02:24:50,770 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-12-03 02:24:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:24:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2023-12-03 02:24:50,770 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2023-12-03 02:24:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:24:50,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:24:50,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:24:50,920 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:24:50,922 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:24:51,129 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:24:51,187 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:24:51,188 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:24:51,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:24:51 BoogieIcfgContainer [2023-12-03 02:24:51,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:24:51,190 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:24:51,190 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:24:51,198 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:24:51,199 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:24:51" (1/1) ... [2023-12-03 02:24:51,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:24:51,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:51,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 73 states and 93 transitions. [2023-12-03 02:24:51,254 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2023-12-03 02:24:51,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:24:51,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:51,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:24:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:51,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:24:51,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:51,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 72 states and 92 transitions. [2023-12-03 02:24:51,681 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2023-12-03 02:24:51,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:24:51,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:51,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:24:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:51,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:24:52,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:52,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 91 transitions. [2023-12-03 02:24:52,212 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2023-12-03 02:24:52,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:24:52,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:52,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:24:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:52,343 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 02:24:52,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:52,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 69 states and 87 transitions. [2023-12-03 02:24:52,524 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2023-12-03 02:24:52,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:24:52,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:52,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:24:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:52,685 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 02:24:52,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:52,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 68 states and 86 transitions. [2023-12-03 02:24:52,771 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2023-12-03 02:24:52,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 02:24:52,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:52,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:24:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:53,071 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:24:53,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:53,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 67 states and 85 transitions. [2023-12-03 02:24:53,420 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2023-12-03 02:24:53,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 02:24:53,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:53,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:24:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:53,543 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:24:53,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:53,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 67 states and 84 transitions. [2023-12-03 02:24:53,742 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2023-12-03 02:24:53,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 02:24:53,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:53,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:24:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:53,908 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 02:24:54,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:54,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 91 transitions. [2023-12-03 02:24:54,028 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2023-12-03 02:24:54,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 02:24:54,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:54,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:24:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:54,202 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 02:24:54,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:54,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 99 transitions. [2023-12-03 02:24:54,494 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions. [2023-12-03 02:24:54,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:24:54,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:54,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:24:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-03 02:24:54,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:54,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 63 states and 78 transitions. [2023-12-03 02:24:54,692 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2023-12-03 02:24:54,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 02:24:54,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:54,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:24:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:54,825 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-03 02:24:55,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:55,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 63 states and 77 transitions. [2023-12-03 02:24:55,117 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-12-03 02:24:55,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 02:24:55,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:55,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:24:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:55,400 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-03 02:24:55,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:55,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 62 states and 76 transitions. [2023-12-03 02:24:55,601 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2023-12-03 02:24:55,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 02:24:55,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:55,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:24:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:55,845 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-03 02:24:56,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:56,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 61 states and 75 transitions. [2023-12-03 02:24:56,247 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2023-12-03 02:24:56,248 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 02:24:56,248 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2023-12-03 02:24:56,257 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-03 02:24:56,404 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:24:56,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:24:56 ImpRootNode [2023-12-03 02:24:56,408 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:24:56,409 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:24:56,409 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:24:56,409 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:24:56,410 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:24:51" (3/4) ... [2023-12-03 02:24:56,412 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 02:24:56,415 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-03 02:24:56,415 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2023-12-03 02:24:56,415 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-03 02:24:56,416 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2023-12-03 02:24:56,422 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-12-03 02:24:56,423 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-03 02:24:56,424 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 02:24:56,424 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 02:24:56,544 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438f77c5-261c-4c78-8e13-ba04ee452eea/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 02:24:56,545 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438f77c5-261c-4c78-8e13-ba04ee452eea/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 02:24:56,545 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:24:56,546 INFO L158 Benchmark]: Toolchain (without parser) took 6992.05ms. Allocated memory was 146.8MB in the beginning and 232.8MB in the end (delta: 86.0MB). Free memory was 113.2MB in the beginning and 161.0MB in the end (delta: -47.8MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2023-12-03 02:24:56,546 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:24:56,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1050.96ms. Allocated memory is still 146.8MB. Free memory was 112.8MB in the beginning and 103.3MB in the end (delta: 9.5MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2023-12-03 02:24:56,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.27ms. Allocated memory is still 146.8MB. Free memory was 102.6MB in the beginning and 99.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:24:56,547 INFO L158 Benchmark]: Boogie Preprocessor took 29.61ms. Allocated memory is still 146.8MB. Free memory was 99.8MB in the beginning and 97.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:24:56,548 INFO L158 Benchmark]: RCFGBuilder took 488.98ms. Allocated memory is still 146.8MB. Free memory was 97.7MB in the beginning and 75.4MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 02:24:56,548 INFO L158 Benchmark]: CodeCheck took 5218.32ms. Allocated memory was 146.8MB in the beginning and 232.8MB in the end (delta: 86.0MB). Free memory was 75.4MB in the beginning and 167.2MB in the end (delta: -91.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:24:56,548 INFO L158 Benchmark]: Witness Printer took 135.82ms. Allocated memory is still 232.8MB. Free memory was 167.2MB in the beginning and 161.0MB in the end (delta: 6.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:24:56,551 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, 73 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1678 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 208 mSDsluCounter, 1122 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 100 mSDsCounter, 408 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1330 IncrementalHoareTripleChecker+Invalid, 1738 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 408 mSolverCounterUnsat, 1022 mSDtfsCounter, 1330 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3432 GetRequests, 3350 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1406 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 479 ConstructedInterpolants, 0 QuantifiedInterpolants, 671 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 214/220 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: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: 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: 1654]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1050.96ms. Allocated memory is still 146.8MB. Free memory was 112.8MB in the beginning and 103.3MB in the end (delta: 9.5MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.27ms. Allocated memory is still 146.8MB. Free memory was 102.6MB in the beginning and 99.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.61ms. Allocated memory is still 146.8MB. Free memory was 99.8MB in the beginning and 97.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 488.98ms. Allocated memory is still 146.8MB. Free memory was 97.7MB in the beginning and 75.4MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 5218.32ms. Allocated memory was 146.8MB in the beginning and 232.8MB in the end (delta: 86.0MB). Free memory was 75.4MB in the beginning and 167.2MB in the end (delta: -91.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 135.82ms. Allocated memory is still 232.8MB. Free memory was 167.2MB in the beginning and 161.0MB in the end (delta: 6.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 02:24:56,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_438f77c5-261c-4c78-8e13-ba04ee452eea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE