./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_b5829bd1-fa66-4551-8caf-a26ef4d2a4de/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5829bd1-fa66-4551-8caf-a26ef4d2a4de/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5829bd1-fa66-4551-8caf-a26ef4d2a4de/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5829bd1-fa66-4551-8caf-a26ef4d2a4de/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5829bd1-fa66-4551-8caf-a26ef4d2a4de/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5829bd1-fa66-4551-8caf-a26ef4d2a4de/bin/ukojak-verify-i0I2FZA1j2 --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 f04c94e9825c0ac99c5a0fda48444f0ae5a6924fd6905231643918113e76d83a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:54:01,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:54:01,928 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5829bd1-fa66-4551-8caf-a26ef4d2a4de/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:54:01,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:54:01,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:54:01,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:54:01,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:54:01,959 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:54:01,960 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:54:01,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:54:01,961 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:54:01,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:54:01,962 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:54:01,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:54:01,964 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:54:01,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:54:01,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:54:01,965 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:54:01,966 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:54:01,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:54:01,967 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:54:01,968 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:54:01,968 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:54:01,969 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:54:01,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:54:01,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:01,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:54:01,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:54:01,972 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:54:01,973 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:54:01,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:54:01,974 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:54:01,974 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_b5829bd1-fa66-4551-8caf-a26ef4d2a4de/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5829bd1-fa66-4551-8caf-a26ef4d2a4de/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f04c94e9825c0ac99c5a0fda48444f0ae5a6924fd6905231643918113e76d83a [2023-11-21 18:54:02,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:54:02,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:54:02,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:54:02,306 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:54:02,306 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:54:02,308 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5829bd1-fa66-4551-8caf-a26ef4d2a4de/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_good.i [2023-11-21 18:54:05,368 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:54:05,854 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:54:05,855 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5829bd1-fa66-4551-8caf-a26ef4d2a4de/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_good.i [2023-11-21 18:54:05,885 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5829bd1-fa66-4551-8caf-a26ef4d2a4de/bin/ukojak-verify-i0I2FZA1j2/data/a07f1c6bd/6e91874570d940d9ab6d5461cbc4d0e3/FLAGfe4b0ae86 [2023-11-21 18:54:05,900 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5829bd1-fa66-4551-8caf-a26ef4d2a4de/bin/ukojak-verify-i0I2FZA1j2/data/a07f1c6bd/6e91874570d940d9ab6d5461cbc4d0e3 [2023-11-21 18:54:05,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:54:05,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:54:05,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:05,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:54:05,912 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:54:05,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:05" (1/1) ... [2023-11-21 18:54:05,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3536c13f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:05, skipping insertion in model container [2023-11-21 18:54:05,914 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:05" (1/1) ... [2023-11-21 18:54:06,004 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:54:06,450 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:54:07,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:07,184 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:54:07,219 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:54:07,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:07,472 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:07,473 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:07,473 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:07,473 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:07,473 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:07,482 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:54:07,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:07 WrapperNode [2023-11-21 18:54:07,483 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:07,484 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:07,484 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:54:07,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:54:07,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:07" (1/1) ... [2023-11-21 18:54:07,521 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:07" (1/1) ... [2023-11-21 18:54:07,556 INFO L138 Inliner]: procedures = 503, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 111 [2023-11-21 18:54:07,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:07,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:54:07,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:54:07,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:54:07,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:07" (1/1) ... [2023-11-21 18:54:07,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:07" (1/1) ... [2023-11-21 18:54:07,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:07" (1/1) ... [2023-11-21 18:54:07,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:07" (1/1) ... [2023-11-21 18:54:07,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:07" (1/1) ... [2023-11-21 18:54:07,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:07" (1/1) ... [2023-11-21 18:54:07,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:07" (1/1) ... [2023-11-21 18:54:07,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:07" (1/1) ... [2023-11-21 18:54:07,590 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:54:07,591 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:54:07,591 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:54:07,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:54:07,592 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:07" (1/1) ... [2023-11-21 18:54:07,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:07,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5829bd1-fa66-4551-8caf-a26ef4d2a4de/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:54:07,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5829bd1-fa66-4551-8caf-a26ef4d2a4de/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:54:07,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5829bd1-fa66-4551-8caf-a26ef4d2a4de/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:54:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:54:07,699 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:54:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:54:07,700 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:54:07,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:54:07,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:54:07,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:54:07,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:54:07,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:54:07,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:54:07,700 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:54:07,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:54:07,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:54:07,856 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:54:07,858 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:54:08,104 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:54:08,170 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:54:08,170 INFO L308 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-21 18:54:08,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:08 BoogieIcfgContainer [2023-11-21 18:54:08,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:54:08,173 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:54:08,173 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:54:08,187 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:54:08,188 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:08" (1/1) ... [2023-11-21 18:54:08,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:54:08,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:08,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 51 states and 67 transitions. [2023-11-21 18:54:08,278 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2023-11-21 18:54:08,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:54:08,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:08,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:08,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:54:08,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:08,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 63 transitions. [2023-11-21 18:54:08,949 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2023-11-21 18:54:08,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:54:08,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:08,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:09,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:54:09,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:09,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 62 transitions. [2023-11-21 18:54:09,292 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2023-11-21 18:54:09,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:54:09,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:09,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:09,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:54:09,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:09,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 60 transitions. [2023-11-21 18:54:09,685 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2023-11-21 18:54:09,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:54:09,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:09,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:09,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:54:10,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:10,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 59 transitions. [2023-11-21 18:54:10,130 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2023-11-21 18:54:10,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:54:10,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:10,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:10,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:54:10,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:10,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 55 transitions. [2023-11-21 18:54:10,262 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2023-11-21 18:54:10,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:54:10,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:10,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:10,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:54:10,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:10,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 53 transitions. [2023-11-21 18:54:10,504 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2023-11-21 18:54:10,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:54:10,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:10,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:10,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:54:10,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:10,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 52 transitions. [2023-11-21 18:54:10,691 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2023-11-21 18:54:10,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:54:10,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:10,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:10,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:54:10,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:10,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 41 states and 50 transitions. [2023-11-21 18:54:10,932 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-11-21 18:54:10,933 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:54:10,934 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-11-21 18:54:10,945 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-21 18:54:11,003 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:54:11,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:54:11 ImpRootNode [2023-11-21 18:54:11,010 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:54:11,010 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:54:11,011 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:54:11,011 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:54:11,012 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:08" (3/4) ... [2023-11-21 18:54:11,014 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:54:11,017 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 18:54:11,017 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 18:54:11,025 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-21 18:54:11,026 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-21 18:54:11,027 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 18:54:11,027 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:54:11,166 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5829bd1-fa66-4551-8caf-a26ef4d2a4de/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:54:11,166 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5829bd1-fa66-4551-8caf-a26ef4d2a4de/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:54:11,166 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:54:11,167 INFO L158 Benchmark]: Toolchain (without parser) took 5262.48ms. Allocated memory was 172.0MB in the beginning and 209.7MB in the end (delta: 37.7MB). Free memory was 126.5MB in the beginning and 118.0MB in the end (delta: 8.5MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:11,168 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 70.1MB in the end (delta: 253.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:11,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1576.99ms. Allocated memory is still 172.0MB. Free memory was 126.1MB in the beginning and 135.2MB in the end (delta: -9.1MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:11,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.40ms. Allocated memory is still 172.0MB. Free memory was 135.2MB in the beginning and 132.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:11,169 INFO L158 Benchmark]: Boogie Preprocessor took 33.48ms. Allocated memory is still 172.0MB. Free memory was 132.6MB in the beginning and 131.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:11,169 INFO L158 Benchmark]: RCFGBuilder took 581.42ms. Allocated memory is still 172.0MB. Free memory was 131.1MB in the beginning and 110.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:54:11,169 INFO L158 Benchmark]: CodeCheck took 2836.54ms. Allocated memory was 172.0MB in the beginning and 209.7MB in the end (delta: 37.7MB). Free memory was 110.1MB in the beginning and 124.3MB in the end (delta: -14.2MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2023-11-21 18:54:11,170 INFO L158 Benchmark]: Witness Printer took 156.16ms. Allocated memory is still 209.7MB. Free memory was 124.3MB in the beginning and 118.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:54:11,172 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, 51 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 396 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 156 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 148 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 614 IncrementalHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 148 mSolverCounterUnsat, 142 mSDtfsCounter, 614 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1002 GetRequests, 958 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 226 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 0.33ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 70.1MB in the end (delta: 253.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1576.99ms. Allocated memory is still 172.0MB. Free memory was 126.1MB in the beginning and 135.2MB in the end (delta: -9.1MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.40ms. Allocated memory is still 172.0MB. Free memory was 135.2MB in the beginning and 132.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.48ms. Allocated memory is still 172.0MB. Free memory was 132.6MB in the beginning and 131.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 581.42ms. Allocated memory is still 172.0MB. Free memory was 131.1MB in the beginning and 110.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 2836.54ms. Allocated memory was 172.0MB in the beginning and 209.7MB in the end (delta: 37.7MB). Free memory was 110.1MB in the beginning and 124.3MB in the end (delta: -14.2MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * Witness Printer took 156.16ms. Allocated memory is still 209.7MB. Free memory was 124.3MB in the beginning and 118.0MB 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! [2023-11-21 18:54:11,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5829bd1-fa66-4551-8caf-a26ef4d2a4de/bin/ukojak-verify-i0I2FZA1j2/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