./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_ab73f102-0e48-46b7-90c0-6c33946c28a1/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab73f102-0e48-46b7-90c0-6c33946c28a1/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab73f102-0e48-46b7-90c0-6c33946c28a1/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab73f102-0e48-46b7-90c0-6c33946c28a1/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab73f102-0e48-46b7-90c0-6c33946c28a1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab73f102-0e48-46b7-90c0-6c33946c28a1/bin/ukojak-verify-afCqCEvfdi --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 c9bbd32d89b8fd605966ee84fad034171cb11514c8a2aa197b9866e429f3dfe8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:47,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:47,768 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab73f102-0e48-46b7-90c0-6c33946c28a1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:52:47,780 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:52:47,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:52:47,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:47,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:47,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:47,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:47,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:47,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:47,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:47,832 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:52:47,834 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:47,834 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:47,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:47,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:47,835 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:52:47,836 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:52:47,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:47,837 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:47,838 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:47,838 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:47,839 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:47,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:47,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:47,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:47,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:47,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:47,841 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:52:47,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:52:47,843 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:47,843 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_ab73f102-0e48-46b7-90c0-6c33946c28a1/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab73f102-0e48-46b7-90c0-6c33946c28a1/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9bbd32d89b8fd605966ee84fad034171cb11514c8a2aa197b9866e429f3dfe8 [2023-11-24 22:52:48,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:48,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:48,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:48,151 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:48,156 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:48,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab73f102-0e48-46b7-90c0-6c33946c28a1/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_good.i [2023-11-24 22:52:51,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:52,093 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:52,097 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab73f102-0e48-46b7-90c0-6c33946c28a1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_good.i [2023-11-24 22:52:52,133 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab73f102-0e48-46b7-90c0-6c33946c28a1/bin/ukojak-verify-afCqCEvfdi/data/8bfbbbcd4/f945f0db702f456399d8b9403981bd4c/FLAGcee4c77fe [2023-11-24 22:52:52,164 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab73f102-0e48-46b7-90c0-6c33946c28a1/bin/ukojak-verify-afCqCEvfdi/data/8bfbbbcd4/f945f0db702f456399d8b9403981bd4c [2023-11-24 22:52:52,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:52,173 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:52,178 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:52,179 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:52,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:52,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4748a98e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52, skipping insertion in model container [2023-11-24 22:52:52,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,310 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:53,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:53,825 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:53,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:54,125 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:54,126 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:54,126 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:54,126 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:54,126 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:54,136 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:54,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:54 WrapperNode [2023-11-24 22:52:54,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:54,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:54,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:54,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:54,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:54" (1/1) ... [2023-11-24 22:52:54,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:54" (1/1) ... [2023-11-24 22:52:54,218 INFO L138 Inliner]: procedures = 503, calls = 64, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 63 [2023-11-24 22:52:54,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:54,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:54,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:54,220 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:54,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:54" (1/1) ... [2023-11-24 22:52:54,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:54" (1/1) ... [2023-11-24 22:52:54,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:54" (1/1) ... [2023-11-24 22:52:54,238 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:54" (1/1) ... [2023-11-24 22:52:54,246 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:54" (1/1) ... [2023-11-24 22:52:54,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:54" (1/1) ... [2023-11-24 22:52:54,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:54" (1/1) ... [2023-11-24 22:52:54,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:54" (1/1) ... [2023-11-24 22:52:54,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:54,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:54,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:54,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:54,260 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:54" (1/1) ... [2023-11-24 22:52:54,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:54,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab73f102-0e48-46b7-90c0-6c33946c28a1/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:54,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab73f102-0e48-46b7-90c0-6c33946c28a1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:54,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab73f102-0e48-46b7-90c0-6c33946c28a1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:54,380 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 22:52:54,380 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 22:52:54,381 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:52:54,381 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:52:54,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:54,381 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-24 22:52:54,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-24 22:52:54,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:54,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:54,382 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:52:54,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:52:54,608 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:54,611 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:54,812 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:54,880 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:54,880 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:52:54,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:54 BoogieIcfgContainer [2023-11-24 22:52:54,883 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:54,884 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:54,884 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:54,895 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:54,896 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:54" (1/1) ... [2023-11-24 22:52:54,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:54,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:54,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2023-11-24 22:52:54,971 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2023-11-24 22:52:54,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:52:54,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:54,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:55,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:55,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:55,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 44 transitions. [2023-11-24 22:52:55,738 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2023-11-24 22:52:55,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:52:55,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:55,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:55,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:56,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:56,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 41 states and 50 transitions. [2023-11-24 22:52:56,322 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-11-24 22:52:56,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:52:56,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:56,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:56,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:56,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:56,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 49 transitions. [2023-11-24 22:52:56,464 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2023-11-24 22:52:56,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:52:56,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:56,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:56,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:57,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:57,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 52 transitions. [2023-11-24 22:52:57,291 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2023-11-24 22:52:57,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:52:57,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:57,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:57,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:58,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:58,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 48 transitions. [2023-11-24 22:52:58,168 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-11-24 22:52:58,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:52:58,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:58,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:58,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:59,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:59,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 37 transitions. [2023-11-24 22:52:59,045 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-11-24 22:52:59,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:52:59,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:59,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:59,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:59,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:59,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 30 transitions. [2023-11-24 22:52:59,675 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2023-11-24 22:52:59,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:52:59,676 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-24 22:52:59,687 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-24 22:52:59,767 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:52:59,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:52:59 ImpRootNode [2023-11-24 22:52:59,774 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:52:59,775 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:52:59,775 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:52:59,775 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:52:59,776 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:54" (3/4) ... [2023-11-24 22:52:59,778 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:52:59,783 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 22:52:59,783 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 22:52:59,784 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-11-24 22:52:59,790 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-24 22:52:59,790 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-24 22:52:59,791 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-24 22:52:59,792 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:52:59,946 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab73f102-0e48-46b7-90c0-6c33946c28a1/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:52:59,947 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab73f102-0e48-46b7-90c0-6c33946c28a1/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:52:59,947 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:52:59,948 INFO L158 Benchmark]: Toolchain (without parser) took 7775.21ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 69.2MB in the beginning and 116.8MB in the end (delta: -47.6MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2023-11-24 22:52:59,949 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:59,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1959.89ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 69.2MB in the beginning and 87.4MB in the end (delta: -18.2MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-11-24 22:52:59,950 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.30ms. Allocated memory is still 159.4MB. Free memory was 87.4MB in the beginning and 84.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:59,951 INFO L158 Benchmark]: Boogie Preprocessor took 37.51ms. Allocated memory is still 159.4MB. Free memory was 84.7MB in the beginning and 83.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:59,952 INFO L158 Benchmark]: RCFGBuilder took 624.59ms. Allocated memory is still 159.4MB. Free memory was 83.3MB in the beginning and 117.4MB in the end (delta: -34.2MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-11-24 22:52:59,953 INFO L158 Benchmark]: CodeCheck took 4890.08ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 117.4MB in the beginning and 122.1MB in the end (delta: -4.6MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2023-11-24 22:52:59,953 INFO L158 Benchmark]: Witness Printer took 173.06ms. Allocated memory is still 192.9MB. Free memory was 122.1MB in the beginning and 116.8MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:52:59,956 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 4 procedures, 34 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 259 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 149 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 169 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 451 IncrementalHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 169 mSolverCounterUnsat, 149 mSDtfsCounter, 451 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 838 GetRequests, 758 SyntacticMatches, 6 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1538 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 9/9 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: 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: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: 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: 1576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1959.89ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 69.2MB in the beginning and 87.4MB in the end (delta: -18.2MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.30ms. Allocated memory is still 159.4MB. Free memory was 87.4MB in the beginning and 84.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.51ms. Allocated memory is still 159.4MB. Free memory was 84.7MB in the beginning and 83.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 624.59ms. Allocated memory is still 159.4MB. Free memory was 83.3MB in the beginning and 117.4MB in the end (delta: -34.2MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * CodeCheck took 4890.08ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 117.4MB in the beginning and 122.1MB in the end (delta: -4.6MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Witness Printer took 173.06ms. Allocated memory is still 192.9MB. Free memory was 122.1MB in the beginning and 116.8MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:52:59,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab73f102-0e48-46b7-90c0-6c33946c28a1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE