./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_1a94cb09-15ad-450e-9c41-9a38a20ab735/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a94cb09-15ad-450e-9c41-9a38a20ab735/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a94cb09-15ad-450e-9c41-9a38a20ab735/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a94cb09-15ad-450e-9c41-9a38a20ab735/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a94cb09-15ad-450e-9c41-9a38a20ab735/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a94cb09-15ad-450e-9c41-9a38a20ab735/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3a0c1cbac9fab3cc55df5667f1ad3ef4ca09c7b23b4427bb4c33dec8dee7a9b6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:03,098 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:03,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a94cb09-15ad-450e-9c41-9a38a20ab735/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:57:03,196 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:57:03,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:57:03,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:03,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:03,232 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:03,233 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:03,234 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:03,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:03,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:03,237 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:57:03,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:03,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:03,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:03,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:03,240 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:57:03,241 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:57:03,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:03,242 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:03,243 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:03,243 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:03,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:03,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:03,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:03,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:03,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:03,247 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:57:03,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:57:03,248 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:03,249 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_1a94cb09-15ad-450e-9c41-9a38a20ab735/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a94cb09-15ad-450e-9c41-9a38a20ab735/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a0c1cbac9fab3cc55df5667f1ad3ef4ca09c7b23b4427bb4c33dec8dee7a9b6 [2023-11-11 23:57:03,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:03,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:03,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:03,555 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:03,556 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:03,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a94cb09-15ad-450e-9c41-9a38a20ab735/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_12_good.i [2023-11-11 23:57:06,912 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:07,335 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:07,336 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a94cb09-15ad-450e-9c41-9a38a20ab735/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_12_good.i [2023-11-11 23:57:07,375 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a94cb09-15ad-450e-9c41-9a38a20ab735/bin/ukojak-verify-0OAaufAVZV/data/ae34b3dea/a910c3093d1644c0b561d7e076a187d8/FLAGf01e39c38 [2023-11-11 23:57:07,393 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a94cb09-15ad-450e-9c41-9a38a20ab735/bin/ukojak-verify-0OAaufAVZV/data/ae34b3dea/a910c3093d1644c0b561d7e076a187d8 [2023-11-11 23:57:07,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:07,403 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:07,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:07,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:07,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:07,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:07" (1/1) ... [2023-11-11 23:57:07,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27985763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:07, skipping insertion in model container [2023-11-11 23:57:07,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:07" (1/1) ... [2023-11-11 23:57:07,507 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:07,879 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:57:08,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:08,614 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:08,640 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:57:08,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:08,877 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:08,878 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:08,878 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:08,878 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:08,878 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:08,885 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:08,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:08 WrapperNode [2023-11-11 23:57:08,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:08,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:08,887 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:08,887 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:08,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:08" (1/1) ... [2023-11-11 23:57:08,930 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:08" (1/1) ... [2023-11-11 23:57:08,978 INFO L138 Inliner]: procedures = 501, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 182 [2023-11-11 23:57:08,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:08,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:08,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:08,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:08,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:08" (1/1) ... [2023-11-11 23:57:08,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:08" (1/1) ... [2023-11-11 23:57:08,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:08" (1/1) ... [2023-11-11 23:57:08,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:08" (1/1) ... [2023-11-11 23:57:09,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:08" (1/1) ... [2023-11-11 23:57:09,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:08" (1/1) ... [2023-11-11 23:57:09,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:08" (1/1) ... [2023-11-11 23:57:09,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:08" (1/1) ... [2023-11-11 23:57:09,015 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:09,016 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:09,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:09,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:09,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:08" (1/1) ... [2023-11-11 23:57:09,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:09,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a94cb09-15ad-450e-9c41-9a38a20ab735/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:09,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a94cb09-15ad-450e-9c41-9a38a20ab735/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:09,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a94cb09-15ad-450e-9c41-9a38a20ab735/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-11 23:57:09,124 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-11 23:57:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2023-11-11 23:57:09,125 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2023-11-11 23:57:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:57:09,125 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:57:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:09,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:57:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:57:09,278 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:09,280 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:09,683 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:10,143 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:10,143 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:57:10,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:10 BoogieIcfgContainer [2023-11-11 23:57:10,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:10,150 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:10,150 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:10,161 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:10,162 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:10" (1/1) ... [2023-11-11 23:57:10,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:57:10,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:10,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2023-11-11 23:57:10,234 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2023-11-11 23:57:10,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:57:10,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:10,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:11,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:11,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:11,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 51 states and 63 transitions. [2023-11-11 23:57:11,699 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2023-11-11 23:57:11,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:57:11,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:11,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:12,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:12,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:12,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 50 states and 62 transitions. [2023-11-11 23:57:12,290 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2023-11-11 23:57:12,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:57:12,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:12,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:12,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:12,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:12,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 49 states and 61 transitions. [2023-11-11 23:57:12,457 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2023-11-11 23:57:12,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:57:12,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:12,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:12,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:12,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:12,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 48 states and 60 transitions. [2023-11-11 23:57:12,542 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-11-11 23:57:12,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:57:12,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:12,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:12,671 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-11 23:57:12,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:12,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 47 states and 59 transitions. [2023-11-11 23:57:12,700 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-11-11 23:57:12,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:57:12,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:12,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:12,813 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-11 23:57:12,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:12,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 58 transitions. [2023-11-11 23:57:12,826 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2023-11-11 23:57:12,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:57:12,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:12,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:12,988 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-11 23:57:13,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:13,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 45 states and 57 transitions. [2023-11-11 23:57:13,019 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2023-11-11 23:57:13,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:57:13,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:13,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:13,171 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-11 23:57:13,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:13,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 44 states and 56 transitions. [2023-11-11 23:57:13,186 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2023-11-11 23:57:13,187 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:57:13,187 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-11-11 23:57:13,197 INFO L753 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-11 23:57:13,256 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:57:13,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:57:13 ImpRootNode [2023-11-11 23:57:13,261 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:57:13,262 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:57:13,262 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:57:13,263 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:57:13,263 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:10" (3/4) ... [2023-11-11 23:57:13,265 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:57:13,269 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-11 23:57:13,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2023-11-11 23:57:13,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-11 23:57:13,279 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2023-11-11 23:57:13,280 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-11 23:57:13,281 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-11 23:57:13,281 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:57:13,428 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a94cb09-15ad-450e-9c41-9a38a20ab735/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:57:13,428 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a94cb09-15ad-450e-9c41-9a38a20ab735/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:57:13,428 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:57:13,429 INFO L158 Benchmark]: Toolchain (without parser) took 6026.09ms. Allocated memory was 182.5MB in the beginning and 226.5MB in the end (delta: 44.0MB). Free memory was 132.0MB in the beginning and 131.9MB in the end (delta: 78.8kB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2023-11-11 23:57:13,430 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:13,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1477.76ms. Allocated memory is still 182.5MB. Free memory was 132.0MB in the beginning and 125.6MB in the end (delta: 6.4MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2023-11-11 23:57:13,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.98ms. Allocated memory is still 182.5MB. Free memory was 125.6MB in the beginning and 121.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:57:13,431 INFO L158 Benchmark]: Boogie Preprocessor took 36.16ms. Allocated memory is still 182.5MB. Free memory was 121.4MB in the beginning and 120.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:13,432 INFO L158 Benchmark]: RCFGBuilder took 1132.11ms. Allocated memory is still 182.5MB. Free memory was 120.3MB in the beginning and 111.0MB in the end (delta: 9.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-11 23:57:13,433 INFO L158 Benchmark]: CodeCheck took 3112.03ms. Allocated memory was 182.5MB in the beginning and 226.5MB in the end (delta: 44.0MB). Free memory was 111.0MB in the beginning and 139.2MB in the end (delta: -28.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:57:13,433 INFO L158 Benchmark]: Witness Printer took 166.41ms. Allocated memory is still 226.5MB. Free memory was 139.2MB in the beginning and 131.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:57:13,436 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, 52 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 476 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 336 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 68 mSDsCounter, 85 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 316 IncrementalHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 85 mSolverCounterUnsat, 268 mSDtfsCounter, 316 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1168 GetRequests, 1157 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 260 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 64/64 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: 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: 1622]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1477.76ms. Allocated memory is still 182.5MB. Free memory was 132.0MB in the beginning and 125.6MB in the end (delta: 6.4MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.98ms. Allocated memory is still 182.5MB. Free memory was 125.6MB in the beginning and 121.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.16ms. Allocated memory is still 182.5MB. Free memory was 121.4MB in the beginning and 120.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1132.11ms. Allocated memory is still 182.5MB. Free memory was 120.3MB in the beginning and 111.0MB in the end (delta: 9.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * CodeCheck took 3112.03ms. Allocated memory was 182.5MB in the beginning and 226.5MB in the end (delta: 44.0MB). Free memory was 111.0MB in the beginning and 139.2MB in the end (delta: -28.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 166.41ms. Allocated memory is still 226.5MB. Free memory was 139.2MB in the beginning and 131.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:57:13,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a94cb09-15ad-450e-9c41-9a38a20ab735/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE