./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_21_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_fbdd6977-abf1-4f7d-94c4-2110026dfbd1/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd6977-abf1-4f7d-94c4-2110026dfbd1/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd6977-abf1-4f7d-94c4-2110026dfbd1/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd6977-abf1-4f7d-94c4-2110026dfbd1/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd6977-abf1-4f7d-94c4-2110026dfbd1/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd6977-abf1-4f7d-94c4-2110026dfbd1/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 10c6545f7673056cd6f04b15ad08a14a1a2e116da47cde8b5996c53362c09645 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:48:09,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:48:09,224 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd6977-abf1-4f7d-94c4-2110026dfbd1/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:48:09,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:48:09,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:48:09,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:48:09,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:48:09,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:48:09,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:48:09,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:48:09,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:48:09,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:48:09,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:48:09,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:48:09,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:48:09,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:48:09,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:48:09,299 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:48:09,300 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:48:09,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:48:09,301 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:48:09,301 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:48:09,302 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:48:09,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:48:09,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:09,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:48:09,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:48:09,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:48:09,305 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:48:09,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:48:09,307 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:48:09,307 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_fbdd6977-abf1-4f7d-94c4-2110026dfbd1/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd6977-abf1-4f7d-94c4-2110026dfbd1/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10c6545f7673056cd6f04b15ad08a14a1a2e116da47cde8b5996c53362c09645 [2023-11-11 23:48:09,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:48:09,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:48:09,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:48:09,672 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:48:09,672 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:48:09,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd6977-abf1-4f7d-94c4-2110026dfbd1/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_21_good.i [2023-11-11 23:48:12,606 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:13,058 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:13,059 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd6977-abf1-4f7d-94c4-2110026dfbd1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_21_good.i [2023-11-11 23:48:13,103 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd6977-abf1-4f7d-94c4-2110026dfbd1/bin/ukojak-verify-0OAaufAVZV/data/a8f504276/c5afb85b54ba427dbf039fd939a8c2f6/FLAG641ac1e2d [2023-11-11 23:48:13,127 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd6977-abf1-4f7d-94c4-2110026dfbd1/bin/ukojak-verify-0OAaufAVZV/data/a8f504276/c5afb85b54ba427dbf039fd939a8c2f6 [2023-11-11 23:48:13,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:13,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:13,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:13,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:13,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:13,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:13" (1/1) ... [2023-11-11 23:48:13,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21651f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:13, skipping insertion in model container [2023-11-11 23:48:13,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:13" (1/1) ... [2023-11-11 23:48:13,235 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:13,708 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:48:14,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:14,373 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:14,410 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:48:14,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:14,730 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:14,730 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:14,730 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:14,731 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:14,731 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:14,739 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:14,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:14 WrapperNode [2023-11-11 23:48:14,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:14,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:14,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:14,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:14,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:14" (1/1) ... [2023-11-11 23:48:14,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:14" (1/1) ... [2023-11-11 23:48:14,834 INFO L138 Inliner]: procedures = 505, calls = 70, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 79 [2023-11-11 23:48:14,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:14,835 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:14,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:14,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:14,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:14" (1/1) ... [2023-11-11 23:48:14,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:14" (1/1) ... [2023-11-11 23:48:14,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:14" (1/1) ... [2023-11-11 23:48:14,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:14" (1/1) ... [2023-11-11 23:48:14,857 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:14" (1/1) ... [2023-11-11 23:48:14,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:14" (1/1) ... [2023-11-11 23:48:14,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:14" (1/1) ... [2023-11-11 23:48:14,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:14" (1/1) ... [2023-11-11 23:48:14,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:14,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:14,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:14,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:14,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:14" (1/1) ... [2023-11-11 23:48:14,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:14,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd6977-abf1-4f7d-94c4-2110026dfbd1/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:14,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd6977-abf1-4f7d-94c4-2110026dfbd1/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:14,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd6977-abf1-4f7d-94c4-2110026dfbd1/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-11 23:48:14,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-11 23:48:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:48:14,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:48:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:48:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:14,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:48:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:48:15,110 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:15,112 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:15,275 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:15,323 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:15,323 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:48:15,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:15 BoogieIcfgContainer [2023-11-11 23:48:15,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:48:15,328 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:48:15,328 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:48:15,339 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:48:15,339 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:15" (1/1) ... [2023-11-11 23:48:15,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:48:15,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:15,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2023-11-11 23:48:15,404 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2023-11-11 23:48:15,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:48:15,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:15,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:15,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:15,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:15,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 46 transitions. [2023-11-11 23:48:15,863 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-11-11 23:48:15,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:48:15,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:15,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:16,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:48:16,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:16,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 35 states and 43 transitions. [2023-11-11 23:48:16,101 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2023-11-11 23:48:16,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:48:16,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:16,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:16,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:48:16,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:16,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 42 transitions. [2023-11-11 23:48:16,270 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2023-11-11 23:48:16,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:48:16,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:16,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:16,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:48:16,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:16,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 41 transitions. [2023-11-11 23:48:16,445 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-11 23:48:16,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:48:16,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:16,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:48:16,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:16,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 33 transitions. [2023-11-11 23:48:16,824 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2023-11-11 23:48:16,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:48:16,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:16,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:16,929 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:48:16,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:16,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 31 transitions. [2023-11-11 23:48:16,982 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-11 23:48:16,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:48:16,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:16,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:17,059 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:48:17,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:17,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 30 transitions. [2023-11-11 23:48:17,080 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-11 23:48:17,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:48:17,082 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-11 23:48:17,091 INFO L753 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-11 23:48:17,129 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:48:17,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:48:17 ImpRootNode [2023-11-11 23:48:17,134 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:48:17,135 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:48:17,135 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:48:17,135 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:48:17,136 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:15" (3/4) ... [2023-11-11 23:48:17,140 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:48:17,145 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-11 23:48:17,146 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-11 23:48:17,154 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-11 23:48:17,155 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-11 23:48:17,155 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-11 23:48:17,156 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:48:17,260 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd6977-abf1-4f7d-94c4-2110026dfbd1/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:48:17,260 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd6977-abf1-4f7d-94c4-2110026dfbd1/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:48:17,260 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:48:17,261 INFO L158 Benchmark]: Toolchain (without parser) took 4126.31ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 123.8MB in the beginning and 97.4MB in the end (delta: 26.5MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2023-11-11 23:48:17,262 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:17,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1602.15ms. Allocated memory is still 157.3MB. Free memory was 123.8MB in the beginning and 115.9MB in the end (delta: 8.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-11 23:48:17,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.55ms. Allocated memory is still 157.3MB. Free memory was 115.9MB in the beginning and 112.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:17,263 INFO L158 Benchmark]: Boogie Preprocessor took 31.43ms. Allocated memory is still 157.3MB. Free memory was 112.6MB in the beginning and 110.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:17,264 INFO L158 Benchmark]: RCFGBuilder took 459.45ms. Allocated memory is still 157.3MB. Free memory was 110.7MB in the beginning and 94.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:48:17,264 INFO L158 Benchmark]: CodeCheck took 1806.19ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 94.9MB in the beginning and 102.5MB in the end (delta: -7.6MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2023-11-11 23:48:17,265 INFO L158 Benchmark]: Witness Printer took 126.05ms. Allocated memory is still 188.7MB. Free memory was 102.5MB in the beginning and 97.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:48:17,267 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, 42 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 427 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 233 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 234 IncrementalHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 215 mSDtfsCounter, 234 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 808 GetRequests, 786 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.3s 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, 7 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 151 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 20/20 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: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1637]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1602.15ms. Allocated memory is still 157.3MB. Free memory was 123.8MB in the beginning and 115.9MB in the end (delta: 8.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.55ms. Allocated memory is still 157.3MB. Free memory was 115.9MB in the beginning and 112.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.43ms. Allocated memory is still 157.3MB. Free memory was 112.6MB in the beginning and 110.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 459.45ms. Allocated memory is still 157.3MB. Free memory was 110.7MB in the beginning and 94.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1806.19ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 94.9MB in the beginning and 102.5MB in the end (delta: -7.6MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * Witness Printer took 126.05ms. Allocated memory is still 188.7MB. Free memory was 102.5MB in the beginning and 97.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:48:17,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd6977-abf1-4f7d-94c4-2110026dfbd1/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE