./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_32_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_36565c4a-4d2e-46f3-8e0a-67c1f958cb11/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36565c4a-4d2e-46f3-8e0a-67c1f958cb11/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36565c4a-4d2e-46f3-8e0a-67c1f958cb11/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36565c4a-4d2e-46f3-8e0a-67c1f958cb11/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_32_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36565c4a-4d2e-46f3-8e0a-67c1f958cb11/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36565c4a-4d2e-46f3-8e0a-67c1f958cb11/bin/ukojak-verify-G8NBE6pJGL --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 87862f06fd67cfdadd88969b40d38e36c74cc74f907a1f7716d36cd1e4c1b1ba --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:56:40,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:56:41,098 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36565c4a-4d2e-46f3-8e0a-67c1f958cb11/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:56:41,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:56:41,113 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:56:41,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:56:41,157 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:56:41,158 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:56:41,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:56:41,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:56:41,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:56:41,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:56:41,168 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:56:41,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:56:41,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:56:41,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:56:41,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:56:41,171 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:56:41,172 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:56:41,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:56:41,173 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:56:41,173 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:56:41,174 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:56:41,174 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:56:41,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:56:41,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:41,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:56:41,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:56:41,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:56:41,177 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:56:41,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:56:41,177 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:56:41,178 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_36565c4a-4d2e-46f3-8e0a-67c1f958cb11/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36565c4a-4d2e-46f3-8e0a-67c1f958cb11/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87862f06fd67cfdadd88969b40d38e36c74cc74f907a1f7716d36cd1e4c1b1ba [2023-11-19 03:56:41,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:56:41,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:56:41,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:56:41,556 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:56:41,556 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:56:41,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36565c4a-4d2e-46f3-8e0a-67c1f958cb11/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_32_good.i [2023-11-19 03:56:44,711 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:56:45,105 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:56:45,106 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36565c4a-4d2e-46f3-8e0a-67c1f958cb11/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_32_good.i [2023-11-19 03:56:45,145 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36565c4a-4d2e-46f3-8e0a-67c1f958cb11/bin/ukojak-verify-G8NBE6pJGL/data/6e28557fd/343fd36f88e846d3ac72611e9f5d0756/FLAG04e28cc7e [2023-11-19 03:56:45,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36565c4a-4d2e-46f3-8e0a-67c1f958cb11/bin/ukojak-verify-G8NBE6pJGL/data/6e28557fd/343fd36f88e846d3ac72611e9f5d0756 [2023-11-19 03:56:45,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:56:45,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:56:45,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:45,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:56:45,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:56:45,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:45" (1/1) ... [2023-11-19 03:56:45,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da0d987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:45, skipping insertion in model container [2023-11-19 03:56:45,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:45" (1/1) ... [2023-11-19 03:56:45,259 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:56:45,701 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:56:46,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:46,346 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:56:46,379 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:56:46,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:46,665 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:46,666 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:46,666 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:46,666 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:46,666 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:46,674 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:56:46,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46 WrapperNode [2023-11-19 03:56:46,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:46,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:46,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:56:46,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:56:46,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,760 INFO L138 Inliner]: procedures = 501, calls = 78, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 84 [2023-11-19 03:56:46,761 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:46,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:56:46,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:56:46,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:56:46,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:56:46,793 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:56:46,793 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:56:46,793 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:56:46,794 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:46,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36565c4a-4d2e-46f3-8e0a-67c1f958cb11/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:56:46,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36565c4a-4d2e-46f3-8e0a-67c1f958cb11/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:56:46,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36565c4a-4d2e-46f3-8e0a-67c1f958cb11/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:56:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 03:56:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 03:56:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:56:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:56:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:56:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:56:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:56:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:56:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:56:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:56:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:56:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:56:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:56:47,015 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:56:47,017 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:56:47,226 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:56:47,302 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:56:47,313 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:56:47,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:47 BoogieIcfgContainer [2023-11-19 03:56:47,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:56:47,320 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:56:47,320 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:56:47,329 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:56:47,330 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:47" (1/1) ... [2023-11-19 03:56:47,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:56:47,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:47,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2023-11-19 03:56:47,394 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-19 03:56:47,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:56:47,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:47,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:47,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:47,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:47,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2023-11-19 03:56:47,826 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-11-19 03:56:47,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:56:47,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:47,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:48,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:48,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:48,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-19 03:56:48,248 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-19 03:56:48,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:56:48,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:48,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:48,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:48,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:48,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-11-19 03:56:48,456 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-19 03:56:48,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:56:48,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:48,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:48,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:48,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:48,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2023-11-19 03:56:48,652 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-11-19 03:56:48,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:56:48,654 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-19 03:56:48,663 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-19 03:56:48,691 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:56:48,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:56:48 ImpRootNode [2023-11-19 03:56:48,696 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:56:48,698 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:56:48,698 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:56:48,698 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:56:48,699 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:47" (3/4) ... [2023-11-19 03:56:48,703 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:56:48,707 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 03:56:48,707 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 03:56:48,715 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-19 03:56:48,716 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 03:56:48,716 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:56:48,716 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:56:48,855 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36565c4a-4d2e-46f3-8e0a-67c1f958cb11/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:56:48,855 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36565c4a-4d2e-46f3-8e0a-67c1f958cb11/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:56:48,855 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:56:48,856 INFO L158 Benchmark]: Toolchain (without parser) took 3682.79ms. Allocated memory is still 161.5MB. Free memory was 120.5MB in the beginning and 81.6MB in the end (delta: 38.9MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2023-11-19 03:56:48,857 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:56:48,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1500.23ms. Allocated memory is still 161.5MB. Free memory was 120.5MB in the beginning and 116.4MB in the end (delta: 4.1MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2023-11-19 03:56:48,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.14ms. Allocated memory is still 161.5MB. Free memory was 116.4MB in the beginning and 113.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:56:48,858 INFO L158 Benchmark]: Boogie Preprocessor took 30.11ms. Allocated memory is still 161.5MB. Free memory was 113.6MB in the beginning and 112.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:56:48,858 INFO L158 Benchmark]: RCFGBuilder took 526.55ms. Allocated memory is still 161.5MB. Free memory was 111.5MB in the beginning and 91.9MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:56:48,859 INFO L158 Benchmark]: CodeCheck took 1375.98ms. Allocated memory is still 161.5MB. Free memory was 91.9MB in the beginning and 86.8MB in the end (delta: 5.1MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-11-19 03:56:48,859 INFO L158 Benchmark]: Witness Printer took 157.99ms. Allocated memory is still 161.5MB. Free memory was 86.8MB in the beginning and 81.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:56:48,861 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, 28 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 50 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 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: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1605]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1500.23ms. Allocated memory is still 161.5MB. Free memory was 120.5MB in the beginning and 116.4MB in the end (delta: 4.1MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.14ms. Allocated memory is still 161.5MB. Free memory was 116.4MB in the beginning and 113.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.11ms. Allocated memory is still 161.5MB. Free memory was 113.6MB in the beginning and 112.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 526.55ms. Allocated memory is still 161.5MB. Free memory was 111.5MB in the beginning and 91.9MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1375.98ms. Allocated memory is still 161.5MB. Free memory was 91.9MB in the beginning and 86.8MB in the end (delta: 5.1MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Witness Printer took 157.99ms. Allocated memory is still 161.5MB. Free memory was 86.8MB in the beginning and 81.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:56:48,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36565c4a-4d2e-46f3-8e0a-67c1f958cb11/bin/ukojak-verify-G8NBE6pJGL/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