./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_02_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_27726cc5-76e8-4091-b883-d30ac4ae1914/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27726cc5-76e8-4091-b883-d30ac4ae1914/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_27726cc5-76e8-4091-b883-d30ac4ae1914/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27726cc5-76e8-4091-b883-d30ac4ae1914/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27726cc5-76e8-4091-b883-d30ac4ae1914/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_27726cc5-76e8-4091-b883-d30ac4ae1914/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 9efe8f79840479319df7ef88c57d03bd32df2aef63f29138d9fdb134fbc1715c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:26:42,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:26:42,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27726cc5-76e8-4091-b883-d30ac4ae1914/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:26:42,254 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:26:42,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:26:42,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:26:42,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:26:42,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:26:42,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:26:42,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:26:42,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:26:42,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:26:42,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:26:42,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:26:42,281 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:26:42,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:26:42,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:26:42,283 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:26:42,283 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:26:42,284 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:26:42,284 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:26:42,285 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:26:42,285 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:26:42,286 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:26:42,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:26:42,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:26:42,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:26:42,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:26:42,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:26:42,288 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:26:42,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:26:42,289 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:26:42,290 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_27726cc5-76e8-4091-b883-d30ac4ae1914/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27726cc5-76e8-4091-b883-d30ac4ae1914/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9efe8f79840479319df7ef88c57d03bd32df2aef63f29138d9fdb134fbc1715c [2023-12-03 03:26:42,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:26:42,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:26:42,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:26:42,530 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:26:42,530 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:26:42,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27726cc5-76e8-4091-b883-d30ac4ae1914/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_02_good.i [2023-12-03 03:26:45,357 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:26:45,648 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:26:45,649 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27726cc5-76e8-4091-b883-d30ac4ae1914/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_02_good.i [2023-12-03 03:26:45,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27726cc5-76e8-4091-b883-d30ac4ae1914/bin/ukojak-verify-Qdu7aM0XO9/data/e6a79b3b0/b842a5ef41f74339a5dcff8ac306fc7a/FLAGf2cbddcd0 [2023-12-03 03:26:45,908 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27726cc5-76e8-4091-b883-d30ac4ae1914/bin/ukojak-verify-Qdu7aM0XO9/data/e6a79b3b0/b842a5ef41f74339a5dcff8ac306fc7a [2023-12-03 03:26:45,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:26:45,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:26:45,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:26:45,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:26:45,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:26:45,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:26:45" (1/1) ... [2023-12-03 03:26:45,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76558a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:45, skipping insertion in model container [2023-12-03 03:26:45,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:26:45" (1/1) ... [2023-12-03 03:26:45,981 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:26:46,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:26:46,726 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:26:46,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:26:46,951 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:26:46,951 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:26:46,951 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:26:46,951 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:26:46,957 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:26:46,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:46 WrapperNode [2023-12-03 03:26:46,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:26:46,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:26:46,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:26:46,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:26:46,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:46" (1/1) ... [2023-12-03 03:26:46,992 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:46" (1/1) ... [2023-12-03 03:26:47,019 INFO L138 Inliner]: procedures = 502, calls = 84, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 123 [2023-12-03 03:26:47,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:26:47,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:26:47,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:26:47,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:26:47,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:46" (1/1) ... [2023-12-03 03:26:47,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:46" (1/1) ... [2023-12-03 03:26:47,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:46" (1/1) ... [2023-12-03 03:26:47,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:46" (1/1) ... [2023-12-03 03:26:47,040 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:46" (1/1) ... [2023-12-03 03:26:47,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:46" (1/1) ... [2023-12-03 03:26:47,045 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:46" (1/1) ... [2023-12-03 03:26:47,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:46" (1/1) ... [2023-12-03 03:26:47,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:26:47,051 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:26:47,051 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:26:47,051 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:26:47,052 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:46" (1/1) ... [2023-12-03 03:26:47,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:26:47,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27726cc5-76e8-4091-b883-d30ac4ae1914/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:26:47,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27726cc5-76e8-4091-b883-d30ac4ae1914/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:26:47,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27726cc5-76e8-4091-b883-d30ac4ae1914/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:26:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-03 03:26:47,119 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-03 03:26:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:26:47,120 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:26:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:26:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:26:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:26:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:26:47,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:26:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:26:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:26:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:26:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:26:47,253 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:26:47,254 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:26:47,419 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:26:47,477 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:26:47,477 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-03 03:26:47,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:26:47 BoogieIcfgContainer [2023-12-03 03:26:47,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:26:47,480 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:26:47,481 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:26:47,489 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:26:47,489 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:26:47" (1/1) ... [2023-12-03 03:26:47,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:26:47,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:47,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 55 states and 71 transitions. [2023-12-03 03:26:47,545 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2023-12-03 03:26:47,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:26:47,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:47,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:26:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:47,882 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 03:26:47,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:47,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 52 states and 66 transitions. [2023-12-03 03:26:47,955 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2023-12-03 03:26:47,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:26:47,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:47,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:26:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:48,125 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 03:26:48,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:48,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 51 states and 65 transitions. [2023-12-03 03:26:48,295 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2023-12-03 03:26:48,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:26:48,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:48,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:26:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:48,449 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 03:26:48,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:48,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 50 states and 63 transitions. [2023-12-03 03:26:48,560 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2023-12-03 03:26:48,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:26:48,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:48,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:26:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:48,711 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 03:26:48,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:48,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 62 transitions. [2023-12-03 03:26:48,949 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2023-12-03 03:26:48,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:26:48,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:48,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:26:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:49,034 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 03:26:49,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:49,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 46 states and 56 transitions. [2023-12-03 03:26:49,084 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2023-12-03 03:26:49,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:26:49,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:49,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:26:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:49,138 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 03:26:49,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:49,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 55 transitions. [2023-12-03 03:26:49,150 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2023-12-03 03:26:49,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:26:49,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:49,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:26:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:49,235 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 03:26:49,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:49,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 53 transitions. [2023-12-03 03:26:49,291 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2023-12-03 03:26:49,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:26:49,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:49,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:26:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:49,369 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 03:26:49,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:49,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 43 states and 52 transitions. [2023-12-03 03:26:49,381 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2023-12-03 03:26:49,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:26:49,382 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-12-03 03:26:49,390 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-03 03:26:49,447 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:26:49,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:26:49 ImpRootNode [2023-12-03 03:26:49,451 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:26:49,452 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:26:49,452 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:26:49,452 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:26:49,453 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:26:47" (3/4) ... [2023-12-03 03:26:49,455 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:26:49,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-03 03:26:49,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-03 03:26:49,463 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-12-03 03:26:49,464 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-03 03:26:49,464 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 03:26:49,465 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:26:49,564 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27726cc5-76e8-4091-b883-d30ac4ae1914/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:26:49,565 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27726cc5-76e8-4091-b883-d30ac4ae1914/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:26:49,565 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:26:49,566 INFO L158 Benchmark]: Toolchain (without parser) took 3654.75ms. Allocated memory was 172.0MB in the beginning and 262.1MB in the end (delta: 90.2MB). Free memory was 119.5MB in the beginning and 211.8MB in the end (delta: -92.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:26:49,566 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:26:49,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1046.18ms. Allocated memory was 172.0MB in the beginning and 262.1MB in the end (delta: 90.2MB). Free memory was 119.2MB in the beginning and 193.9MB in the end (delta: -74.7MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2023-12-03 03:26:49,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.60ms. Allocated memory is still 262.1MB. Free memory was 193.9MB in the beginning and 190.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:26:49,568 INFO L158 Benchmark]: Boogie Preprocessor took 30.47ms. Allocated memory is still 262.1MB. Free memory was 190.8MB in the beginning and 189.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:26:49,568 INFO L158 Benchmark]: RCFGBuilder took 428.39ms. Allocated memory is still 262.1MB. Free memory was 189.8MB in the beginning and 168.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 03:26:49,568 INFO L158 Benchmark]: CodeCheck took 1971.00ms. Allocated memory is still 262.1MB. Free memory was 168.8MB in the beginning and 217.9MB in the end (delta: -49.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:26:49,569 INFO L158 Benchmark]: Witness Printer took 113.22ms. Allocated memory is still 262.1MB. Free memory was 217.9MB in the beginning and 211.8MB in the end (delta: 6.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:26:49,570 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, 55 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 389 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 194 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 140 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 526 IncrementalHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 140 mSolverCounterUnsat, 186 mSDtfsCounter, 526 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 972 GetRequests, 936 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: 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: 1650]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1046.18ms. Allocated memory was 172.0MB in the beginning and 262.1MB in the end (delta: 90.2MB). Free memory was 119.2MB in the beginning and 193.9MB in the end (delta: -74.7MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.60ms. Allocated memory is still 262.1MB. Free memory was 193.9MB in the beginning and 190.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.47ms. Allocated memory is still 262.1MB. Free memory was 190.8MB in the beginning and 189.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 428.39ms. Allocated memory is still 262.1MB. Free memory was 189.8MB in the beginning and 168.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 1971.00ms. Allocated memory is still 262.1MB. Free memory was 168.8MB in the beginning and 217.9MB in the end (delta: -49.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 113.22ms. Allocated memory is still 262.1MB. Free memory was 217.9MB in the beginning and 211.8MB in the end (delta: 6.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 03:26:49,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27726cc5-76e8-4091-b883-d30ac4ae1914/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