./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.13.c --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_6fcf2bab-c1a5-4cc5-b8c8-71f78c1fbf53/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcf2bab-c1a5-4cc5-b8c8-71f78c1fbf53/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_6fcf2bab-c1a5-4cc5-b8c8-71f78c1fbf53/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcf2bab-c1a5-4cc5-b8c8-71f78c1fbf53/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcf2bab-c1a5-4cc5-b8c8-71f78c1fbf53/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcf2bab-c1a5-4cc5-b8c8-71f78c1fbf53/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 64bit --witnessprinter.graph.data.programhash 1acb0c0dcfb78ab47001eb57f5095348cf0ba1fe26db78bd8f7dfec538bac19a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:10:21,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:10:21,127 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcf2bab-c1a5-4cc5-b8c8-71f78c1fbf53/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 23:10:21,132 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:10:21,132 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:10:21,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:10:21,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:10:21,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:10:21,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:10:21,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:10:21,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:10:21,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:10:21,154 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:10:21,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:10:21,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:10:21,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:10:21,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:10:21,155 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:10:21,155 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:10:21,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:10:21,155 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:10:21,155 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:10:21,155 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:10:21,156 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:10:21,156 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:10:21,156 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:10:21,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:10:21,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:10:21,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:10:21,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:10:21,156 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:10:21,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:10:21,156 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_6fcf2bab-c1a5-4cc5-b8c8-71f78c1fbf53/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1acb0c0dcfb78ab47001eb57f5095348cf0ba1fe26db78bd8f7dfec538bac19a [2024-12-05 23:10:21,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:10:21,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:10:21,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:10:21,412 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:10:21,412 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:10:21,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcf2bab-c1a5-4cc5-b8c8-71f78c1fbf53/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-restricted-15/b.13.c [2024-12-05 23:10:24,035 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcf2bab-c1a5-4cc5-b8c8-71f78c1fbf53/bin/ukojak-verify-CZk0znPC7b/data/f5aed67c4/0ecd12685f8348978350129a663b11b9/FLAGbc663c68d [2024-12-05 23:10:24,225 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:10:24,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcf2bab-c1a5-4cc5-b8c8-71f78c1fbf53/sv-benchmarks/c/termination-restricted-15/b.13.c [2024-12-05 23:10:24,232 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcf2bab-c1a5-4cc5-b8c8-71f78c1fbf53/bin/ukojak-verify-CZk0znPC7b/data/f5aed67c4/0ecd12685f8348978350129a663b11b9/FLAGbc663c68d [2024-12-05 23:10:24,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcf2bab-c1a5-4cc5-b8c8-71f78c1fbf53/bin/ukojak-verify-CZk0znPC7b/data/f5aed67c4/0ecd12685f8348978350129a663b11b9 [2024-12-05 23:10:24,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:10:24,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:10:24,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:10:24,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:10:24,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:10:24,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:10:24" (1/1) ... [2024-12-05 23:10:24,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be5f471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:24, skipping insertion in model container [2024-12-05 23:10:24,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:10:24" (1/1) ... [2024-12-05 23:10:24,264 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:10:24,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:10:24,401 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:10:24,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:10:24,425 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:10:24,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:24 WrapperNode [2024-12-05 23:10:24,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:10:24,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:10:24,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:10:24,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:10:24,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:24" (1/1) ... [2024-12-05 23:10:24,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:24" (1/1) ... [2024-12-05 23:10:24,451 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2024-12-05 23:10:24,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:10:24,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:10:24,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:10:24,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:10:24,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:24" (1/1) ... [2024-12-05 23:10:24,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:24" (1/1) ... [2024-12-05 23:10:24,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:24" (1/1) ... [2024-12-05 23:10:24,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:24" (1/1) ... [2024-12-05 23:10:24,461 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:24" (1/1) ... [2024-12-05 23:10:24,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:24" (1/1) ... [2024-12-05 23:10:24,466 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:24" (1/1) ... [2024-12-05 23:10:24,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:24" (1/1) ... [2024-12-05 23:10:24,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:24" (1/1) ... [2024-12-05 23:10:24,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:10:24,469 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:10:24,469 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:10:24,469 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:10:24,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:24" (1/1) ... [2024-12-05 23:10:24,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:10:24,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcf2bab-c1a5-4cc5-b8c8-71f78c1fbf53/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:10:24,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcf2bab-c1a5-4cc5-b8c8-71f78c1fbf53/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:10:24,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcf2bab-c1a5-4cc5-b8c8-71f78c1fbf53/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:10:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:10:24,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:10:24,587 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:10:24,589 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:10:24,653 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-05 23:10:24,653 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:10:24,673 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:10:24,673 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:10:24,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:10:24 BoogieIcfgContainer [2024-12-05 23:10:24,673 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:10:24,674 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:10:24,674 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:10:24,681 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:10:24,681 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:10:24" (1/1) ... [2024-12-05 23:10:24,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:10:24,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:24,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-12-05 23:10:24,724 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-12-05 23:10:24,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:10:24,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:24,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:24,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:10:24,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:24,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-12-05 23:10:24,926 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-12-05 23:10:24,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:10:24,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:24,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:24,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:10:25,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:25,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-12-05 23:10:25,020 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-12-05 23:10:25,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:10:25,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:25,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:25,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:10:25,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:25,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 22 states and 35 transitions. [2024-12-05 23:10:25,213 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 35 transitions. [2024-12-05 23:10:25,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:10:25,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:25,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:25,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:10:25,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:25,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 27 states and 50 transitions. [2024-12-05 23:10:25,517 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 50 transitions. [2024-12-05 23:10:25,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:10:25,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:25,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:25,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:10:25,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:25,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 54 transitions. [2024-12-05 23:10:25,793 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 54 transitions. [2024-12-05 23:10:25,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:10:25,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:25,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:25,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:10:25,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:25,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 55 transitions. [2024-12-05 23:10:25,965 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2024-12-05 23:10:25,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:10:25,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:25,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:25,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:10:26,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:26,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 35 states and 63 transitions. [2024-12-05 23:10:26,280 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 63 transitions. [2024-12-05 23:10:26,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:10:26,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:26,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:26,373 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:10:26,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:26,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 36 states and 63 transitions. [2024-12-05 23:10:26,695 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 63 transitions. [2024-12-05 23:10:26,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 23:10:26,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:26,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:26,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:10:27,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:27,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2024-12-05 23:10:27,174 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2024-12-05 23:10:27,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 23:10:27,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:27,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:27,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:10:27,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:27,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2024-12-05 23:10:27,320 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2024-12-05 23:10:27,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:10:27,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:27,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:27,376 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:10:27,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:27,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-12-05 23:10:27,518 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-12-05 23:10:27,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 23:10:27,519 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2024-12-05 23:10:27,526 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-05 23:10:27,614 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-12-05 23:10:27,614 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 23:10:27,614 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2024-12-05 23:10:27,614 INFO L77 FloydHoareUtils]: At program point L17(line 17) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~y~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-12-05 23:10:27,614 INFO L77 FloydHoareUtils]: At program point L17-1(line 17) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-12-05 23:10:27,615 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 23:10:27,615 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-12-05 23:10:27,615 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2024-12-05 23:10:27,615 INFO L77 FloydHoareUtils]: At program point L16(lines 16 20) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (<= (+ |ULTIMATE.start_main_~z~0#1| 1) |ULTIMATE.start_main_~y~0#1|)) [2024-12-05 23:10:27,615 INFO L77 FloydHoareUtils]: At program point L14(line 14) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-12-05 23:10:27,615 INFO L77 FloydHoareUtils]: At program point L16-2(lines 12 22) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~y~0#1| 2147483646) (< 2147483647 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|)) (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647))) [2024-12-05 23:10:27,615 INFO L77 FloydHoareUtils]: At program point L14-1(line 14) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-12-05 23:10:27,615 INFO L77 FloydHoareUtils]: At program point L12-1(lines 12 22) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (or (< |ULTIMATE.start_main_~z~0#1| |ULTIMATE.start_main_~y~0#1|) (< |ULTIMATE.start_main_~z~0#1| |ULTIMATE.start_main_~x~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-12-05 23:10:27,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:10:27 ImpRootNode [2024-12-05 23:10:27,626 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:10:27,627 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:10:27,627 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:10:27,627 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:10:27,628 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:10:24" (3/4) ... [2024-12-05 23:10:27,630 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 23:10:27,635 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-05 23:10:27,635 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-05 23:10:27,635 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-05 23:10:27,703 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcf2bab-c1a5-4cc5-b8c8-71f78c1fbf53/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:10:27,704 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcf2bab-c1a5-4cc5-b8c8-71f78c1fbf53/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:10:27,704 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:10:27,704 INFO L158 Benchmark]: Toolchain (without parser) took 3457.12ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 85.3MB in the end (delta: 33.3MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-12-05 23:10:27,705 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:10:27,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 177.94ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 108.4MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:10:27,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.83ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:10:27,705 INFO L158 Benchmark]: Boogie Preprocessor took 16.35ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.7MB in the end (delta: 657.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:10:27,706 INFO L158 Benchmark]: RCFGBuilder took 204.39ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 96.3MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:10:27,706 INFO L158 Benchmark]: CodeCheck took 2952.44ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 90.1MB in the end (delta: 6.1MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-12-05 23:10:27,706 INFO L158 Benchmark]: Witness Printer took 76.80ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 85.3MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:10:27,708 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: 2.8s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 486 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 390 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 224 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1414 IncrementalHoareTripleChecker+Invalid, 1638 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 224 mSolverCounterUnsat, 0 mSDtfsCounter, 1414 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 910 GetRequests, 790 SyntacticMatches, 28 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3498 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 17/21 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: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ((((y <= 2147483646) && (2147483647 < x)) && (x <= z)) || (((0 <= (z + 2147483648)) && (x <= 2147483647)) && (y <= 2147483647))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 177.94ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 108.4MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.83ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.35ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.7MB in the end (delta: 657.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 204.39ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 96.3MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2952.44ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 90.1MB in the end (delta: 6.1MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Witness Printer took 76.80ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 85.3MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 23:10:27,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcf2bab-c1a5-4cc5-b8c8-71f78c1fbf53/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