./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.08-alloca.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_488ae9ad-cdbe-4748-8df0-2509d2c6a14f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ae9ad-cdbe-4748-8df0-2509d2c6a14f/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_488ae9ad-cdbe-4748-8df0-2509d2c6a14f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ae9ad-cdbe-4748-8df0-2509d2c6a14f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.08-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ae9ad-cdbe-4748-8df0-2509d2c6a14f/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_488ae9ad-cdbe-4748-8df0-2509d2c6a14f/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 6c2edc31dcdc4b2a4abe4268de27cc56aedb322bc6628c226d1c7bd6753071a5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:13:43,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:13:43,411 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ae9ad-cdbe-4748-8df0-2509d2c6a14f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 05:13:43,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:13:43,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:13:43,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:13:43,438 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:13:43,438 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:13:43,439 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:13:43,439 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:13:43,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:13:43,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:13:43,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:13:43,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:13:43,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:13:43,440 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:13:43,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:13:43,440 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:13:43,440 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:13:43,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:13:43,440 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:13:43,440 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:13:43,441 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:13:43,441 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:13:43,441 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:13:43,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:13:43,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:13:43,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:13:43,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:13:43,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:13:43,442 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:13:43,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:13:43,442 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_488ae9ad-cdbe-4748-8df0-2509d2c6a14f/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 -> 6c2edc31dcdc4b2a4abe4268de27cc56aedb322bc6628c226d1c7bd6753071a5 [2024-11-25 05:13:43,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:13:43,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:13:43,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:13:43,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:13:43,790 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:13:43,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ae9ad-cdbe-4748-8df0-2509d2c6a14f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-memory-alloca/a.08-alloca.i [2024-11-25 05:13:47,081 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ae9ad-cdbe-4748-8df0-2509d2c6a14f/bin/ukojak-verify-ENZ3QT5qd3/data/1a3729a54/cece0339789a4e58822b37a5fd50df5b/FLAG76798988c [2024-11-25 05:13:47,387 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:13:47,387 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ae9ad-cdbe-4748-8df0-2509d2c6a14f/sv-benchmarks/c/termination-memory-alloca/a.08-alloca.i [2024-11-25 05:13:47,409 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ae9ad-cdbe-4748-8df0-2509d2c6a14f/bin/ukojak-verify-ENZ3QT5qd3/data/1a3729a54/cece0339789a4e58822b37a5fd50df5b/FLAG76798988c [2024-11-25 05:13:47,652 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ae9ad-cdbe-4748-8df0-2509d2c6a14f/bin/ukojak-verify-ENZ3QT5qd3/data/1a3729a54/cece0339789a4e58822b37a5fd50df5b [2024-11-25 05:13:47,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:13:47,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:13:47,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:13:47,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:13:47,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:13:47,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:13:47" (1/1) ... [2024-11-25 05:13:47,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@330ceef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:47, skipping insertion in model container [2024-11-25 05:13:47,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:13:47" (1/1) ... [2024-11-25 05:13:47,697 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:13:47,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:13:47,966 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:13:48,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:13:48,041 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:13:48,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:48 WrapperNode [2024-11-25 05:13:48,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:13:48,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:13:48,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:13:48,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:13:48,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:48" (1/1) ... [2024-11-25 05:13:48,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:48" (1/1) ... [2024-11-25 05:13:48,081 INFO L138 Inliner]: procedures = 111, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2024-11-25 05:13:48,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:13:48,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:13:48,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:13:48,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:13:48,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:48" (1/1) ... [2024-11-25 05:13:48,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:48" (1/1) ... [2024-11-25 05:13:48,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:48" (1/1) ... [2024-11-25 05:13:48,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:48" (1/1) ... [2024-11-25 05:13:48,107 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:48" (1/1) ... [2024-11-25 05:13:48,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:48" (1/1) ... [2024-11-25 05:13:48,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:48" (1/1) ... [2024-11-25 05:13:48,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:48" (1/1) ... [2024-11-25 05:13:48,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:48" (1/1) ... [2024-11-25 05:13:48,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:13:48,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:13:48,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:13:48,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:13:48,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:48" (1/1) ... [2024-11-25 05:13:48,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:13:48,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ae9ad-cdbe-4748-8df0-2509d2c6a14f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:13:48,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ae9ad-cdbe-4748-8df0-2509d2c6a14f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:13:48,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ae9ad-cdbe-4748-8df0-2509d2c6a14f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:13:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 05:13:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 05:13:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 05:13:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 05:13:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:13:48,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:13:48,350 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:13:48,352 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:13:48,484 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 05:13:48,484 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:13:48,541 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:13:48,541 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:13:48,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:13:48 BoogieIcfgContainer [2024-11-25 05:13:48,542 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:13:48,543 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:13:48,543 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:13:48,553 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:13:48,553 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:13:48" (1/1) ... [2024-11-25 05:13:48,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:13:48,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:48,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-25 05:13:48,617 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-25 05:13:48,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:13:48,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:48,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:13:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:49,366 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 05:13:49,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:49,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-25 05:13:49,511 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-25 05:13:49,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:13:49,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:49,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:13:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:49,767 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 05:13:50,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:50,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 05:13:50,061 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 05:13:50,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:13:50,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:50,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:13:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:50,494 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 05:13:51,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:51,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-25 05:13:51,315 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-25 05:13:51,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:13:51,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:51,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:13:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:51,737 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 05:13:52,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:52,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-25 05:13:52,737 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-25 05:13:52,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 05:13:52,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:52,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:13:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:53,111 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:54,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:54,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2024-11-25 05:13:54,426 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2024-11-25 05:13:54,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 05:13:54,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:54,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:13:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:54,713 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:55,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:55,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-25 05:13:55,002 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-25 05:13:55,002 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 05:13:55,002 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-25 05:13:55,012 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-25 05:13:55,083 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 556) no Hoare annotation was computed. [2024-11-25 05:13:55,084 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 05:13:55,084 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 557) no Hoare annotation was computed. [2024-11-25 05:13:55,084 INFO L77 FloydHoareUtils]: At program point L556(line 556) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|))) (and (not (= |ULTIMATE.start_test_fun_~y_ref~0#1.base| |ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (<= .cse0 2147483645) (<= 0 (+ |ULTIMATE.start_test_fun_#t~mem9#1| 2147483647)) (<= |ULTIMATE.start_test_fun_#t~mem9#1| 2147483646) (<= 0 (+ .cse0 2147483648)))) [2024-11-25 05:13:55,085 INFO L77 FloydHoareUtils]: At program point L556-1(line 556) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|))) (and (not (= |ULTIMATE.start_test_fun_~y_ref~0#1.base| |ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (<= 0 (+ 2147483649 |ULTIMATE.start_test_fun_#t~mem9#1|)) (<= .cse0 2147483645) (<= |ULTIMATE.start_test_fun_#t~mem9#1| 2147483646) (<= 0 (+ .cse0 2147483648)))) [2024-11-25 05:13:55,085 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 05:13:55,085 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 556) no Hoare annotation was computed. [2024-11-25 05:13:55,085 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 557) no Hoare annotation was computed. [2024-11-25 05:13:55,089 INFO L77 FloydHoareUtils]: At program point L557(line 557) the Hoare annotation is: (and (<= 0 (+ 2147483650 |ULTIMATE.start_test_fun_#t~mem10#1|)) (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|) 2147483648)) (not (= |ULTIMATE.start_test_fun_~y_ref~0#1.base| |ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (<= |ULTIMATE.start_test_fun_#t~mem10#1| 2147483645)) [2024-11-25 05:13:55,089 INFO L77 FloydHoareUtils]: At program point L557-1(line 557) the Hoare annotation is: (and (<= 0 (+ 2147483650 |ULTIMATE.start_test_fun_#t~mem10#1|)) (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|) 2147483648)) (not (= |ULTIMATE.start_test_fun_~y_ref~0#1.base| |ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (<= |ULTIMATE.start_test_fun_#t~mem10#1| 2147483645)) [2024-11-25 05:13:55,090 INFO L77 FloydHoareUtils]: At program point L555-3(lines 555 558) the Hoare annotation is: (let ((.cse2 (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|)) (.cse1 (not |ULTIMATE.start_test_fun_#t~short8#1|)) (.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|))) (and (not (= |ULTIMATE.start_test_fun_~y_ref~0#1.base| |ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (or (<= .cse0 2147483645) .cse1) (or (< .cse2 2147483647) .cse1) (or (< 0 (+ .cse2 2147483648)) .cse1) (<= 0 (+ .cse0 2147483648)))) [2024-11-25 05:13:55,090 INFO L77 FloydHoareUtils]: At program point L555-6(lines 555 558) the Hoare annotation is: (and (not (= |ULTIMATE.start_test_fun_~y_ref~0#1.base| |ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|) 2147483648))) [2024-11-25 05:13:55,090 INFO L77 FloydHoareUtils]: At program point L555-7(lines 555 558) the Hoare annotation is: true [2024-11-25 05:13:55,102 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y_ref~0!base [2024-11-25 05:13:55,103 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~x_ref~0!base [2024-11-25 05:13:55,104 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-25 05:13:55,104 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-25 05:13:55,104 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~y_ref~0!base,]]] [2024-11-25 05:13:55,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:13:55 ImpRootNode [2024-11-25 05:13:55,106 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:13:55,107 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:13:55,107 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:13:55,107 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:13:55,108 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:13:48" (3/4) ... [2024-11-25 05:13:55,111 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 05:13:55,118 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-25 05:13:55,119 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 05:13:55,119 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 05:13:55,119 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 05:13:55,207 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ae9ad-cdbe-4748-8df0-2509d2c6a14f/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:13:55,208 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ae9ad-cdbe-4748-8df0-2509d2c6a14f/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:13:55,208 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:13:55,209 INFO L158 Benchmark]: Toolchain (without parser) took 7550.63ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 70.2MB in the end (delta: 21.8MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2024-11-25 05:13:55,210 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 74.5MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:55,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.59ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 75.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:13:55,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.39ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 74.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:55,211 INFO L158 Benchmark]: Boogie Preprocessor took 39.01ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 73.3MB in the end (delta: 771.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:55,212 INFO L158 Benchmark]: RCFGBuilder took 419.00ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 59.3MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:13:55,212 INFO L158 Benchmark]: CodeCheck took 6563.02ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 75.0MB in the end (delta: -15.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:55,213 INFO L158 Benchmark]: Witness Printer took 101.26ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 70.2MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:13:55,215 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 1 procedures, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 81 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 143 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 429 IncrementalHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 143 mSolverCounterUnsat, 0 mSDtfsCounter, 429 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 384 GetRequests, 289 SyntacticMatches, 5 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3245 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 317 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 4/8 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 - PositiveResult [Line: 556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 74.5MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.59ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 75.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.39ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 74.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.01ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 73.3MB in the end (delta: 771.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 419.00ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 59.3MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 6563.02ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 75.0MB in the end (delta: -15.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 101.26ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 70.2MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~y_ref~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~x_ref~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~y_ref~0!base,]]] RESULT: Ultimate proved your program to be correct! [2024-11-25 05:13:55,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ae9ad-cdbe-4748-8df0-2509d2c6a14f/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 Result: TRUE