./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_02_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_1f968d12-6a47-497b-ad06-496d76f95fa7/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f968d12-6a47-497b-ad06-496d76f95fa7/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_1f968d12-6a47-497b-ad06-496d76f95fa7/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f968d12-6a47-497b-ad06-496d76f95fa7/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f968d12-6a47-497b-ad06-496d76f95fa7/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_1f968d12-6a47-497b-ad06-496d76f95fa7/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 9efe8f79840479319df7ef88c57d03bd32df2aef63f29138d9fdb134fbc1715c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:22:51,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:22:51,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f968d12-6a47-497b-ad06-496d76f95fa7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:22:51,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:22:51,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:22:51,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:22:51,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:22:51,203 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:22:51,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:22:51,211 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:22:51,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:22:51,212 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:22:51,213 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:22:51,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:22:51,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:22:51,215 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:22:51,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:22:51,216 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:22:51,216 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:22:51,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:22:51,218 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:22:51,218 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:22:51,219 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:22:51,219 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:22:51,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:22:51,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:22:51,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:22:51,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:22:51,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:22:51,222 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:22:51,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:22:51,224 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:22:51,224 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_1f968d12-6a47-497b-ad06-496d76f95fa7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f968d12-6a47-497b-ad06-496d76f95fa7/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9efe8f79840479319df7ef88c57d03bd32df2aef63f29138d9fdb134fbc1715c [2023-11-19 03:22:51,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:22:51,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:22:51,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:22:51,549 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:22:51,549 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:22:51,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f968d12-6a47-497b-ad06-496d76f95fa7/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_02_good.i [2023-11-19 03:22:54,632 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:22:55,071 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:22:55,073 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f968d12-6a47-497b-ad06-496d76f95fa7/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_02_good.i [2023-11-19 03:22:55,102 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f968d12-6a47-497b-ad06-496d76f95fa7/bin/ukojak-verify-G8NBE6pJGL/data/ea0c862b3/44e3b38cd07c49e29f464540ea8514d3/FLAG58b18cf65 [2023-11-19 03:22:55,122 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f968d12-6a47-497b-ad06-496d76f95fa7/bin/ukojak-verify-G8NBE6pJGL/data/ea0c862b3/44e3b38cd07c49e29f464540ea8514d3 [2023-11-19 03:22:55,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:22:55,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:22:55,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:22:55,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:22:55,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:22:55,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:55" (1/1) ... [2023-11-19 03:22:55,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@638e1461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:55, skipping insertion in model container [2023-11-19 03:22:55,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:55" (1/1) ... [2023-11-19 03:22:55,226 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:22:55,635 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:22:56,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:56,175 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:22:56,196 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:22:56,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:56,511 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:56,511 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:56,512 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:56,512 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:56,512 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:56,520 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:22:56,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:56 WrapperNode [2023-11-19 03:22:56,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:22:56,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:22:56,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:22:56,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:22:56,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:56" (1/1) ... [2023-11-19 03:22:56,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:56" (1/1) ... [2023-11-19 03:22:56,590 INFO L138 Inliner]: procedures = 503, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 112 [2023-11-19 03:22:56,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:22:56,591 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:22:56,591 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:22:56,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:22:56,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:56" (1/1) ... [2023-11-19 03:22:56,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:56" (1/1) ... [2023-11-19 03:22:56,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:56" (1/1) ... [2023-11-19 03:22:56,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:56" (1/1) ... [2023-11-19 03:22:56,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:56" (1/1) ... [2023-11-19 03:22:56,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:56" (1/1) ... [2023-11-19 03:22:56,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:56" (1/1) ... [2023-11-19 03:22:56,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:56" (1/1) ... [2023-11-19 03:22:56,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:22:56,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:22:56,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:22:56,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:22:56,628 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:56" (1/1) ... [2023-11-19 03:22:56,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:22:56,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f968d12-6a47-497b-ad06-496d76f95fa7/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:22:56,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f968d12-6a47-497b-ad06-496d76f95fa7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:22:56,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f968d12-6a47-497b-ad06-496d76f95fa7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:22:56,728 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 03:22:56,729 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 03:22:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:22:56,730 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:22:56,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:22:56,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:22:56,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:22:56,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:22:56,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:22:56,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:22:56,731 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:22:56,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:22:56,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:22:56,929 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:22:56,931 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:22:57,136 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:22:57,255 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:22:57,262 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 03:22:57,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:57 BoogieIcfgContainer [2023-11-19 03:22:57,270 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:22:57,271 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:22:57,272 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:22:57,283 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:22:57,283 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:57" (1/1) ... [2023-11-19 03:22:57,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:22:57,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:57,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 51 states and 67 transitions. [2023-11-19 03:22:57,350 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2023-11-19 03:22:57,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:22:57,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:57,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:57,813 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 03:22:57,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:57,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 63 transitions. [2023-11-19 03:22:57,913 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2023-11-19 03:22:57,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:22:57,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:57,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:58,234 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 03:22:58,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:58,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 62 transitions. [2023-11-19 03:22:58,439 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2023-11-19 03:22:58,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:22:58,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:58,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:58,678 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 03:22:58,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:58,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 60 transitions. [2023-11-19 03:22:58,802 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2023-11-19 03:22:58,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:22:58,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:58,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:58,996 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 03:22:59,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:59,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 59 transitions. [2023-11-19 03:22:59,299 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2023-11-19 03:22:59,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:22:59,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:59,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:59,406 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 03:22:59,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:59,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 54 transitions. [2023-11-19 03:22:59,466 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2023-11-19 03:22:59,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:22:59,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:59,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:59,558 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 03:22:59,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:59,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 43 states and 53 transitions. [2023-11-19 03:22:59,570 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2023-11-19 03:22:59,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:22:59,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:59,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:59,654 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 03:22:59,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:59,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 51 transitions. [2023-11-19 03:22:59,708 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2023-11-19 03:22:59,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:22:59,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:59,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:59,766 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 03:22:59,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:59,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 41 states and 50 transitions. [2023-11-19 03:22:59,779 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-11-19 03:22:59,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:22:59,780 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-11-19 03:22:59,789 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-19 03:22:59,844 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:22:59,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:22:59 ImpRootNode [2023-11-19 03:22:59,849 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:22:59,849 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:22:59,849 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:22:59,850 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:22:59,851 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:57" (3/4) ... [2023-11-19 03:22:59,857 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:22:59,860 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 03:22:59,860 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 03:22:59,868 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-19 03:22:59,869 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 03:22:59,870 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 03:22:59,871 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:23:00,006 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f968d12-6a47-497b-ad06-496d76f95fa7/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:23:00,006 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f968d12-6a47-497b-ad06-496d76f95fa7/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:23:00,007 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:23:00,007 INFO L158 Benchmark]: Toolchain (without parser) took 4874.78ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 88.7MB in the beginning and 112.8MB in the end (delta: -24.1MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2023-11-19 03:23:00,008 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:00,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1386.30ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 88.7MB in the beginning and 139.4MB in the end (delta: -50.7MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2023-11-19 03:23:00,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.76ms. Allocated memory is still 195.0MB. Free memory was 139.4MB in the beginning and 136.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:00,009 INFO L158 Benchmark]: Boogie Preprocessor took 34.95ms. Allocated memory is still 195.0MB. Free memory was 136.3MB in the beginning and 134.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:00,010 INFO L158 Benchmark]: RCFGBuilder took 643.15ms. Allocated memory is still 195.0MB. Free memory was 134.1MB in the beginning and 113.2MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:23:00,010 INFO L158 Benchmark]: CodeCheck took 2578.01ms. Allocated memory is still 195.0MB. Free memory was 113.2MB in the beginning and 118.0MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:00,010 INFO L158 Benchmark]: Witness Printer took 157.39ms. Allocated memory is still 195.0MB. Free memory was 118.0MB in the beginning and 112.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:23:00,012 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: 2.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 389 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 178 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 140 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 526 IncrementalHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 140 mSolverCounterUnsat, 170 mSDtfsCounter, 526 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 978 GetRequests, 942 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1650]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1386.30ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 88.7MB in the beginning and 139.4MB in the end (delta: -50.7MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.76ms. Allocated memory is still 195.0MB. Free memory was 139.4MB in the beginning and 136.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.95ms. Allocated memory is still 195.0MB. Free memory was 136.3MB in the beginning and 134.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 643.15ms. Allocated memory is still 195.0MB. Free memory was 134.1MB in the beginning and 113.2MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 2578.01ms. Allocated memory is still 195.0MB. Free memory was 113.2MB in the beginning and 118.0MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 157.39ms. Allocated memory is still 195.0MB. Free memory was 118.0MB in the beginning and 112.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:23:00,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f968d12-6a47-497b-ad06-496d76f95fa7/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