./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_17_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3 --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 96bc8f3578510fec9d2b71abba54e2c6f80edb068acb206c90d02f7b9875e33b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:33:43,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:33:43,888 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:33:43,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:33:43,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:33:43,941 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:33:43,942 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:33:43,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:33:43,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:33:43,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:33:43,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:33:43,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:33:43,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:33:43,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:33:43,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:33:43,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:33:43,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:33:43,945 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:33:43,945 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:33:43,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:33:43,945 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:33:43,946 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:33:43,946 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:33:43,946 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:33:43,946 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:33:43,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:33:43,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:33:43,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:33:43,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:33:43,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:33:43,947 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:33:43,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:33:43,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3 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 -> 96bc8f3578510fec9d2b71abba54e2c6f80edb068acb206c90d02f7b9875e33b [2024-11-25 04:33:44,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:33:44,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:33:44,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:33:44,409 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:33:44,410 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:33:44,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_17_bad.i [2024-11-25 04:33:47,766 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/data/9e13a1883/95229fac63454d878adcbede0df3bb4f/FLAG7dad78386 [2024-11-25 04:33:48,353 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:33:48,354 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_17_bad.i [2024-11-25 04:33:48,402 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/data/9e13a1883/95229fac63454d878adcbede0df3bb4f/FLAG7dad78386 [2024-11-25 04:33:48,431 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/data/9e13a1883/95229fac63454d878adcbede0df3bb4f [2024-11-25 04:33:48,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:33:48,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:33:48,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:33:48,438 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:33:48,451 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:33:48,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:33:48" (1/1) ... [2024-11-25 04:33:48,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6305cd2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:48, skipping insertion in model container [2024-11-25 04:33:48,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:33:48" (1/1) ... [2024-11-25 04:33:48,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:33:49,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:33:49,735 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:33:49,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:33:50,054 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:33:50,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:50 WrapperNode [2024-11-25 04:33:50,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:33:50,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:33:50,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:33:50,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:33:50,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:50" (1/1) ... [2024-11-25 04:33:50,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:50" (1/1) ... [2024-11-25 04:33:50,132 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2024-11-25 04:33:50,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:33:50,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:33:50,133 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:33:50,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:33:50,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:50" (1/1) ... [2024-11-25 04:33:50,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:50" (1/1) ... [2024-11-25 04:33:50,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:50" (1/1) ... [2024-11-25 04:33:50,160 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:50" (1/1) ... [2024-11-25 04:33:50,165 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:50" (1/1) ... [2024-11-25 04:33:50,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:50" (1/1) ... [2024-11-25 04:33:50,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:50" (1/1) ... [2024-11-25 04:33:50,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:50" (1/1) ... [2024-11-25 04:33:50,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:50" (1/1) ... [2024-11-25 04:33:50,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:33:50,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:33:50,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:33:50,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:33:50,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:50" (1/1) ... [2024-11-25 04:33:50,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:33:50,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:33:50,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:33:50,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:33:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:33:50,270 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:33:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:33:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:33:50,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:33:50,434 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:33:50,437 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:33:50,820 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-25 04:33:50,820 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:33:51,183 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:33:51,184 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:33:51,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:33:51 BoogieIcfgContainer [2024-11-25 04:33:51,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:33:51,185 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:33:51,185 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:33:51,203 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:33:51,203 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:33:51" (1/1) ... [2024-11-25 04:33:51,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:33:51,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:51,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2024-11-25 04:33:51,301 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-25 04:33:51,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:33:51,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:51,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:33:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:52,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:33:52,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:52,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-11-25 04:33:52,165 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-25 04:33:52,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:33:52,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:52,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:33:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:52,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:33:52,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:52,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2024-11-25 04:33:52,563 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-25 04:33:52,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:33:52,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:52,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:33:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:53,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:33:53,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:53,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2024-11-25 04:33:53,221 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-25 04:33:53,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 04:33:53,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:53,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:33:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:33:53,314 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:33:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:33:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:33:53,595 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:33:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:33:53,673 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-25 04:33:53,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:33:53 ImpRootNode [2024-11-25 04:33:53,721 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:33:53,722 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:33:53,724 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:33:53,724 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:33:53,725 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:33:51" (3/4) ... [2024-11-25 04:33:53,728 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:33:53,729 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:33:53,730 INFO L158 Benchmark]: Toolchain (without parser) took 5294.15ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 90.7MB in the beginning and 152.6MB in the end (delta: -61.9MB). Peak memory consumption was 173.9MB. Max. memory is 16.1GB. [2024-11-25 04:33:53,733 INFO L158 Benchmark]: CDTParser took 2.06ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:33:53,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1619.16ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 81.1MB in the end (delta: 9.6MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-25 04:33:53,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.60ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 78.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:33:53,735 INFO L158 Benchmark]: Boogie Preprocessor took 57.97ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:33:53,735 INFO L158 Benchmark]: RCFGBuilder took 992.07ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 77.4MB in the beginning and 317.3MB in the end (delta: -239.9MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2024-11-25 04:33:53,736 INFO L158 Benchmark]: CodeCheck took 2536.77ms. Allocated memory is still 352.3MB. Free memory was 317.3MB in the beginning and 152.6MB in the end (delta: 164.7MB). Peak memory consumption was 167.8MB. Max. memory is 16.1GB. [2024-11-25 04:33:53,736 INFO L158 Benchmark]: Witness Printer took 6.83ms. Allocated memory is still 352.3MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:33:53,741 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 2 procedures, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 15 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1/2 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_sub_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1553] COND TRUE i < 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1557] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1557] COND TRUE j < 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1560] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.06ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1619.16ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 81.1MB in the end (delta: 9.6MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.60ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 78.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.97ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 992.07ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 77.4MB in the beginning and 317.3MB in the end (delta: -239.9MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * CodeCheck took 2536.77ms. Allocated memory is still 352.3MB. Free memory was 317.3MB in the beginning and 152.6MB in the end (delta: 164.7MB). Peak memory consumption was 167.8MB. Max. memory is 16.1GB. * Witness Printer took 6.83ms. Allocated memory is still 352.3MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:33:53,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3 --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 96bc8f3578510fec9d2b71abba54e2c6f80edb068acb206c90d02f7b9875e33b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:33:56,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:33:57,082 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:33:57,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:33:57,143 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:33:57,143 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:33:57,144 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:33:57,144 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:33:57,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:33:57,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:33:57,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:33:57,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:33:57,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:33:57,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:33:57,148 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:33:57,148 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:33:57,148 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:33:57,149 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:33:57,149 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:33:57,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:33:57,149 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:33:57,149 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:33:57,149 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:33:57,149 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:33:57,150 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:33:57,150 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:33:57,150 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:33:57,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:33:57,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:33:57,150 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:33:57,150 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:33:57,150 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:33:57,150 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:33:57,151 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:33:57,151 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:33:57,151 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3 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 -> 96bc8f3578510fec9d2b71abba54e2c6f80edb068acb206c90d02f7b9875e33b [2024-11-25 04:33:57,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:33:57,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:33:57,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:33:57,601 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:33:57,601 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:33:57,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_17_bad.i [2024-11-25 04:34:00,758 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/data/78d80ef75/04144378912c4feeae5e27a0bcd4c7ed/FLAG6db6b02c1 [2024-11-25 04:34:01,213 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:34:01,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_17_bad.i [2024-11-25 04:34:01,243 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/data/78d80ef75/04144378912c4feeae5e27a0bcd4c7ed/FLAG6db6b02c1 [2024-11-25 04:34:01,268 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/data/78d80ef75/04144378912c4feeae5e27a0bcd4c7ed [2024-11-25 04:34:01,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:34:01,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:34:01,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:34:01,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:34:01,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:34:01,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:34:01" (1/1) ... [2024-11-25 04:34:01,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dac15b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:01, skipping insertion in model container [2024-11-25 04:34:01,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:34:01" (1/1) ... [2024-11-25 04:34:01,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:34:02,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:34:02,487 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:34:02,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:34:02,788 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:34:02,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:02 WrapperNode [2024-11-25 04:34:02,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:34:02,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:34:02,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:34:02,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:34:02,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:02" (1/1) ... [2024-11-25 04:34:02,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:02" (1/1) ... [2024-11-25 04:34:02,854 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-25 04:34:02,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:34:02,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:34:02,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:34:02,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:34:02,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:02" (1/1) ... [2024-11-25 04:34:02,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:02" (1/1) ... [2024-11-25 04:34:02,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:02" (1/1) ... [2024-11-25 04:34:02,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:02" (1/1) ... [2024-11-25 04:34:02,887 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:02" (1/1) ... [2024-11-25 04:34:02,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:02" (1/1) ... [2024-11-25 04:34:02,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:02" (1/1) ... [2024-11-25 04:34:02,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:02" (1/1) ... [2024-11-25 04:34:02,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:02" (1/1) ... [2024-11-25 04:34:02,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:34:02,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:34:02,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:34:02,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:34:02,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:02" (1/1) ... [2024-11-25 04:34:02,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:34:02,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:34:02,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:34:02,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:34:02,990 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:34:02,990 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:34:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:34:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:34:02,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:34:03,151 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:34:03,153 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:34:03,345 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-25 04:34:03,345 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:34:03,464 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:34:03,464 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:34:03,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:34:03 BoogieIcfgContainer [2024-11-25 04:34:03,465 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:34:03,466 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:34:03,470 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:34:03,484 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:34:03,484 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:34:03" (1/1) ... [2024-11-25 04:34:03,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:34:03,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:03,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2024-11-25 04:34:03,554 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-25 04:34:03,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:34:03,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:03,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:03,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:34:03,563 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:34:03,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:34:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:03,723 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:34:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:03,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 04:34:03,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:03,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:34:03,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:34:03,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:03,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2024-11-25 04:34:03,834 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-11-25 04:34:03,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:34:03,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:03,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:03,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:34:03,837 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:34:03,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:34:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:04,012 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:34:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:04,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:34:04,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:04,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:34:04,077 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 04:34:04,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 04:34:04,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:04,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2024-11-25 04:34:04,147 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-11-25 04:34:04,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:34:04,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:04,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:04,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:34:04,150 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:34:04,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 04:34:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:04,332 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:34:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:04,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 04:34:04,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:04,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:34:04,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 04:34:04,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:04,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2024-11-25 04:34:04,666 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-25 04:34:04,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 04:34:04,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:04,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:04,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:34:04,670 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:34:04,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 04:34:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:34:04,839 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:34:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:34:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:34:05,008 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:34:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:34:05,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 04:34:05,066 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-25 04:34:05,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:34:05 ImpRootNode [2024-11-25 04:34:05,109 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:34:05,110 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:34:05,110 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:34:05,110 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:34:05,112 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:34:03" (3/4) ... [2024-11-25 04:34:05,113 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:34:05,181 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-11-25 04:34:05,239 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:34:05,239 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:34:05,239 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:34:05,240 INFO L158 Benchmark]: Toolchain (without parser) took 3967.09ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 31.5MB in the end (delta: 25.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-11-25 04:34:05,240 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:34:05,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1514.13ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 50.9MB in the end (delta: 6.2MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-25 04:34:05,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.70ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 48.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:34:05,242 INFO L158 Benchmark]: Boogie Preprocessor took 50.59ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 46.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:34:05,242 INFO L158 Benchmark]: RCFGBuilder took 556.06ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 52.7MB in the end (delta: -6.5MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-11-25 04:34:05,242 INFO L158 Benchmark]: CodeCheck took 1643.15ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 36.6MB in the end (delta: 16.0MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-11-25 04:34:05,243 INFO L158 Benchmark]: Witness Printer took 129.58ms. Allocated memory is still 83.9MB. Free memory was 36.6MB in the beginning and 31.5MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:34:05,245 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 2 procedures, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 25 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 95 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1560]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_sub_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1553] COND TRUE i < 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1557] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1557] COND TRUE j < 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1560] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1514.13ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 50.9MB in the end (delta: 6.2MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.70ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 48.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.59ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 46.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 556.06ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 52.7MB in the end (delta: -6.5MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * CodeCheck took 1643.15ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 36.6MB in the end (delta: 16.0MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Witness Printer took 129.58ms. Allocated memory is still 83.9MB. Free memory was 36.6MB in the beginning and 31.5MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:34:05,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13db72a2-5724-4aa5-a94f-47ad0e9d5a54/bin/ukojak-verify-ENZ3QT5qd3/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)