./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/modulus-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/modulus-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b --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 32bit --witnessprinter.graph.data.programhash 573a31c00e41ae75ac0c33bb566a9b1a0edc6ad80bfad98caf671cb01963ec0c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:27:42,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:27:42,856 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 05:27:42,861 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:27:42,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:27:42,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:27:42,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:27:42,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:27:42,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:27:42,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:27:42,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:27:42,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:27:42,881 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:27:42,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:27:42,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:27:42,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:27:42,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:27:42,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:27:42,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:27:42,882 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:27:42,882 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:27:42,882 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:27:42,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:27:42,882 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:27:42,882 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:27:42,882 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:27:42,882 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:27:42,882 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:27:42,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:27:42,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:27:42,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:27:42,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:27:42,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:27:42,883 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:27:42,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:27:42,883 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_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573a31c00e41ae75ac0c33bb566a9b1a0edc6ad80bfad98caf671cb01963ec0c [2024-12-06 05:27:43,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:27:43,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:27:43,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:27:43,124 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:27:43,124 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:27:43,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/modulus-2.i [2024-12-06 05:27:45,755 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/data/5b478c1a5/cb775fe6d10549abb64ebc2ae084bfb4/FLAG86b21a561 [2024-12-06 05:27:45,951 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:27:45,952 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/sv-benchmarks/c/bitvector/modulus-2.i [2024-12-06 05:27:45,959 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/data/5b478c1a5/cb775fe6d10549abb64ebc2ae084bfb4/FLAG86b21a561 [2024-12-06 05:27:46,332 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/data/5b478c1a5/cb775fe6d10549abb64ebc2ae084bfb4 [2024-12-06 05:27:46,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:27:46,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:27:46,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:27:46,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:27:46,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:27:46,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:27:46" (1/1) ... [2024-12-06 05:27:46,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f02422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:46, skipping insertion in model container [2024-12-06 05:27:46,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:27:46" (1/1) ... [2024-12-06 05:27:46,350 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:27:46,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:27:46,472 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:27:46,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:27:46,498 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:27:46,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:46 WrapperNode [2024-12-06 05:27:46,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:27:46,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:27:46,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:27:46,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:27:46,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:46" (1/1) ... [2024-12-06 05:27:46,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:46" (1/1) ... [2024-12-06 05:27:46,520 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-12-06 05:27:46,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:27:46,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:27:46,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:27:46,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:27:46,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:46" (1/1) ... [2024-12-06 05:27:46,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:46" (1/1) ... [2024-12-06 05:27:46,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:46" (1/1) ... [2024-12-06 05:27:46,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:46" (1/1) ... [2024-12-06 05:27:46,531 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:46" (1/1) ... [2024-12-06 05:27:46,532 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:46" (1/1) ... [2024-12-06 05:27:46,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:46" (1/1) ... [2024-12-06 05:27:46,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:46" (1/1) ... [2024-12-06 05:27:46,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:46" (1/1) ... [2024-12-06 05:27:46,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:27:46,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:27:46,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:27:46,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:27:46,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:46" (1/1) ... [2024-12-06 05:27:46,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:27:46,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:27:46,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:27:46,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:27:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:27:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:27:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:27:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:27:46,633 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:27:46,635 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:27:46,784 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-12-06 05:27:46,785 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:27:46,880 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:27:46,881 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:27:46,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:27:46 BoogieIcfgContainer [2024-12-06 05:27:46,881 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:27:46,882 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:27:46,882 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:27:46,889 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:27:46,889 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:27:46" (1/1) ... [2024-12-06 05:27:46,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:27:46,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:46,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-06 05:27:46,937 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 05:27:46,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 05:27:46,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:46,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:47,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:27:47,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:47,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 05:27:47,113 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 05:27:47,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 05:27:47,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:47,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:47,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:27:47,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 05:27:47,219 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 05:27:47,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:27:47,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:47,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:27:47,233 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:27:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:27:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:27:47,260 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:27:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:27:47,272 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-12-06 05:27:47,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:27:47 ImpRootNode [2024-12-06 05:27:47,286 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:27:47,287 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:27:47,287 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:27:47,287 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:27:47,288 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:27:46" (3/4) ... [2024-12-06 05:27:47,289 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:27:47,290 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:27:47,291 INFO L158 Benchmark]: Toolchain (without parser) took 955.96ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 63.5MB in the end (delta: 53.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 05:27:47,291 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:27:47,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.60ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 105.3MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:27:47,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.24ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:27:47,292 INFO L158 Benchmark]: Boogie Preprocessor took 16.53ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 103.4MB in the end (delta: 665.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:27:47,293 INFO L158 Benchmark]: RCFGBuilder took 343.19ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 83.7MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:27:47,293 INFO L158 Benchmark]: CodeCheck took 404.54ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 63.7MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:27:47,293 INFO L158 Benchmark]: Witness Printer took 3.27ms. Allocated memory is still 142.6MB. Free memory was 63.7MB in the beginning and 63.5MB in the end (delta: 191.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:27:47,296 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, 16 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 0 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of shiftLeft at line 51. Possible FailurePath: [L46] unsigned int n = __VERIFIER_nondet_uint(); [L47] unsigned int s = __VERIFIER_nondet_uint(); [L48] unsigned int d; [L49] unsigned int m; [L50] CALL assume_abort_if_not(s < 31) [L11] COND FALSE !(!cond) [L50] RET assume_abort_if_not(s < 31) [L51] 1 << s VAL [s=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.60ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 105.3MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.24ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.53ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 103.4MB in the end (delta: 665.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 343.19ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 83.7MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 404.54ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 63.7MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.27ms. Allocated memory is still 142.6MB. Free memory was 63.7MB in the beginning and 63.5MB in the end (delta: 191.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 05:27:47,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/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_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/modulus-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b --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 32bit --witnessprinter.graph.data.programhash 573a31c00e41ae75ac0c33bb566a9b1a0edc6ad80bfad98caf671cb01963ec0c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:27:49,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:27:49,303 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 05:27:49,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:27:49,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:27:49,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:27:49,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:27:49,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:27:49,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:27:49,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:27:49,327 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:27:49,328 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:27:49,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:27:49,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:27:49,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:27:49,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:27:49,328 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:27:49,328 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:27:49,328 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:27:49,328 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:27:49,329 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:27:49,329 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:27:49,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:27:49,329 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:27:49,329 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:27:49,329 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:27:49,329 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:27:49,329 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:27:49,329 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:27:49,329 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:27:49,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:27:49,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:27:49,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:27:49,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:27:49,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:27:49,330 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:27:49,330 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:27:49,330 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:27:49,330 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_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573a31c00e41ae75ac0c33bb566a9b1a0edc6ad80bfad98caf671cb01963ec0c [2024-12-06 05:27:49,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:27:49,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:27:49,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:27:49,565 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:27:49,565 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:27:49,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/modulus-2.i [2024-12-06 05:27:52,171 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/data/6c40a8a64/20d03ef7aa314959a43efbcdb37ad811/FLAG3dc22c31d [2024-12-06 05:27:52,376 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:27:52,377 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/sv-benchmarks/c/bitvector/modulus-2.i [2024-12-06 05:27:52,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/data/6c40a8a64/20d03ef7aa314959a43efbcdb37ad811/FLAG3dc22c31d [2024-12-06 05:27:52,742 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/data/6c40a8a64/20d03ef7aa314959a43efbcdb37ad811 [2024-12-06 05:27:52,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:27:52,745 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:27:52,746 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:27:52,746 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:27:52,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:27:52,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:27:52" (1/1) ... [2024-12-06 05:27:52,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659a8b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:52, skipping insertion in model container [2024-12-06 05:27:52,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:27:52" (1/1) ... [2024-12-06 05:27:52,760 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:27:52,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:27:52,868 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:27:52,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:27:52,888 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:27:52,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:52 WrapperNode [2024-12-06 05:27:52,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:27:52,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:27:52,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:27:52,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:27:52,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:52" (1/1) ... [2024-12-06 05:27:52,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:52" (1/1) ... [2024-12-06 05:27:52,908 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 51 [2024-12-06 05:27:52,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:27:52,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:27:52,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:27:52,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:27:52,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:52" (1/1) ... [2024-12-06 05:27:52,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:52" (1/1) ... [2024-12-06 05:27:52,914 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:52" (1/1) ... [2024-12-06 05:27:52,914 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:52" (1/1) ... [2024-12-06 05:27:52,919 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:52" (1/1) ... [2024-12-06 05:27:52,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:52" (1/1) ... [2024-12-06 05:27:52,923 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:52" (1/1) ... [2024-12-06 05:27:52,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:52" (1/1) ... [2024-12-06 05:27:52,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:52" (1/1) ... [2024-12-06 05:27:52,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:27:52,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:27:52,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:27:52,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:27:52,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:52" (1/1) ... [2024-12-06 05:27:52,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:27:52,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:27:52,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:27:52,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:27:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:27:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:27:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:27:52,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:27:53,029 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:27:53,031 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:27:53,175 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-06 05:27:53,175 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:27:53,234 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:27:53,235 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:27:53,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:27:53 BoogieIcfgContainer [2024-12-06 05:27:53,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:27:53,235 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:27:53,236 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:27:53,242 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:27:53,242 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:27:53" (1/1) ... [2024-12-06 05:27:53,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:27:53,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:53,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-06 05:27:53,285 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 05:27:53,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 05:27:53,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:53,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:27:53,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:27:53,289 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:27:53,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:27:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:53,336 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:27:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:53,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:27:53,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:27:53,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:27:53,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:27:53,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:53,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 05:27:53,402 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 05:27:53,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 05:27:53,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:53,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:27:53,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:27:53,404 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:27:53,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:27:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:53,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:27:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:53,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:27:53,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:27:53,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:27:53,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:27:53,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:53,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 05:27:53,489 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 05:27:53,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:27:53,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:53,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:27:53,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:27:53,491 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:27:53,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:27:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:53,534 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:27:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:53,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:27:53,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:27:53,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:27:53,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:27:53,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:53,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-12-06 05:27:53,620 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-12-06 05:27:53,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:27:53,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:53,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:27:53,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:27:53,623 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:27:53,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:27:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:53,670 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:27:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:53,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:27:53,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:27:53,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:27:53,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 05:27:53,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 05:27:53,714 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 05:27:53,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:27:53,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:53,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:27:53,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:27:53,716 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:27:53,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:27:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:53,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:27:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:53,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 05:27:53,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:27:53,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:27:53,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 05:27:53,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:53,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-12-06 05:27:53,763 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-12-06 05:27:53,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 05:27:53,763 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-12-06 05:27:53,769 INFO L726 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2024-12-06 05:27:53,788 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2024-12-06 05:27:53,788 INFO L77 FloydHoareUtils]: At program point L56-3(lines 56 59) the Hoare annotation is: true [2024-12-06 05:27:53,788 INFO L77 FloydHoareUtils]: At program point L52(lines 52 66) the Hoare annotation is: true [2024-12-06 05:27:53,788 INFO L77 FloydHoareUtils]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2024-12-06 05:27:53,789 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2024-12-06 05:27:53,789 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2024-12-06 05:27:53,789 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2024-12-06 05:27:53,789 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 05:27:53,789 INFO L77 FloydHoareUtils]: At program point L54-3(lines 54 61) the Hoare annotation is: true [2024-12-06 05:27:53,789 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 05:27:53,789 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2024-12-06 05:27:53,789 INFO L77 FloydHoareUtils]: At program point L51(line 51) the Hoare annotation is: (bvult |ULTIMATE.start_main_~s~0#1| (_ bv31 32)) [2024-12-06 05:27:53,789 INFO L77 FloydHoareUtils]: At program point L51-1(line 51) the Hoare annotation is: (bvult |ULTIMATE.start_main_~s~0#1| (_ bv31 32)) [2024-12-06 05:27:53,790 INFO L77 FloydHoareUtils]: At program point L51-2(line 51) the Hoare annotation is: (bvult |ULTIMATE.start_main_~s~0#1| (_ bv31 32)) [2024-12-06 05:27:53,790 INFO L77 FloydHoareUtils]: At program point L51-3(line 51) the Hoare annotation is: (bvult |ULTIMATE.start_main_~s~0#1| (_ bv31 32)) [2024-12-06 05:27:53,790 INFO L77 FloydHoareUtils]: At program point L51-4(line 51) the Hoare annotation is: true [2024-12-06 05:27:53,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:27:53 ImpRootNode [2024-12-06 05:27:53,797 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:27:53,798 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:27:53,798 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:27:53,798 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:27:53,798 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:27:53" (3/4) ... [2024-12-06 05:27:53,801 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 05:27:53,807 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-12-06 05:27:53,808 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-06 05:27:53,808 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 05:27:53,808 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 05:27:53,873 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:27:53,873 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:27:53,873 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:27:53,874 INFO L158 Benchmark]: Toolchain (without parser) took 1129.36ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 43.6MB in the end (delta: 26.6MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-12-06 05:27:53,874 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:27:53,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 143.68ms. Allocated memory is still 92.3MB. Free memory was 70.1MB in the beginning and 58.8MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:27:53,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.95ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 57.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:27:53,876 INFO L158 Benchmark]: Boogie Preprocessor took 17.87ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 56.6MB in the end (delta: 910.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:27:53,876 INFO L158 Benchmark]: RCFGBuilder took 307.80ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 41.3MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:27:53,876 INFO L158 Benchmark]: CodeCheck took 561.85ms. Allocated memory is still 92.3MB. Free memory was 41.2MB in the beginning and 48.3MB in the end (delta: -7.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:27:53,877 INFO L158 Benchmark]: Witness Printer took 75.68ms. Allocated memory is still 92.3MB. Free memory was 48.3MB in the beginning and 43.6MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:27:53,879 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, 16 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 1 mSDtfsCounter, 80 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 6 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 74 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 143.68ms. Allocated memory is still 92.3MB. Free memory was 70.1MB in the beginning and 58.8MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.95ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 57.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.87ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 56.6MB in the end (delta: 910.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 307.80ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 41.3MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 561.85ms. Allocated memory is still 92.3MB. Free memory was 41.2MB in the beginning and 48.3MB in the end (delta: -7.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 75.68ms. Allocated memory is still 92.3MB. Free memory was 48.3MB in the beginning and 43.6MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 05:27:53,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0c5a25-56c2-4c42-9614-290e50afb112/bin/ukojak-verify-CZk0znPC7b/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