./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/cohendiv.c --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_6765cf67-898b-4e00-85e1-9b58a71a5ad5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6765cf67-898b-4e00-85e1-9b58a71a5ad5/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_6765cf67-898b-4e00-85e1-9b58a71a5ad5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6765cf67-898b-4e00-85e1-9b58a71a5ad5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/cohendiv.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6765cf67-898b-4e00-85e1-9b58a71a5ad5/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_6765cf67-898b-4e00-85e1-9b58a71a5ad5/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 3d6660b4fea1525f79546380d9fc86f7ff57e03176037fab78e14751bab459a9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:18:11,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:18:11,449 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6765cf67-898b-4e00-85e1-9b58a71a5ad5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 02:18:11,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:18:11,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:18:11,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:18:11,473 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:18:11,473 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:18:11,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:18:11,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:18:11,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:18:11,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:18:11,474 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:18:11,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:18:11,474 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:18:11,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:18:11,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:18:11,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:18:11,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:18:11,474 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:18:11,474 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:18:11,475 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:18:11,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:18:11,475 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:18:11,475 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:18:11,475 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:18:11,475 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:18:11,475 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:18:11,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:18:11,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:18:11,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:18:11,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:18:11,476 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:18:11,476 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:18:11,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:18:11,476 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_6765cf67-898b-4e00-85e1-9b58a71a5ad5/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 -> 3d6660b4fea1525f79546380d9fc86f7ff57e03176037fab78e14751bab459a9 [2024-12-06 02:18:11,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:18:11,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:18:11,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:18:11,718 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:18:11,718 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:18:11,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6765cf67-898b-4e00-85e1-9b58a71a5ad5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/cohendiv.c [2024-12-06 02:18:14,343 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6765cf67-898b-4e00-85e1-9b58a71a5ad5/bin/ukojak-verify-CZk0znPC7b/data/bef073a16/cad8e73f13e04b25b096972ec6055613/FLAGbca855159 [2024-12-06 02:18:14,522 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:18:14,522 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6765cf67-898b-4e00-85e1-9b58a71a5ad5/sv-benchmarks/c/nla-digbench/cohendiv.c [2024-12-06 02:18:14,528 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6765cf67-898b-4e00-85e1-9b58a71a5ad5/bin/ukojak-verify-CZk0znPC7b/data/bef073a16/cad8e73f13e04b25b096972ec6055613/FLAGbca855159 [2024-12-06 02:18:14,915 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6765cf67-898b-4e00-85e1-9b58a71a5ad5/bin/ukojak-verify-CZk0znPC7b/data/bef073a16/cad8e73f13e04b25b096972ec6055613 [2024-12-06 02:18:14,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:18:14,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:18:14,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:18:14,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:18:14,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:18:14,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:18:14" (1/1) ... [2024-12-06 02:18:14,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cac4149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:14, skipping insertion in model container [2024-12-06 02:18:14,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:18:14" (1/1) ... [2024-12-06 02:18:14,932 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:18:15,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:18:15,049 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:18:15,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:18:15,077 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:18:15,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:15 WrapperNode [2024-12-06 02:18:15,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:18:15,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:18:15,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:18:15,078 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:18:15,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:15" (1/1) ... [2024-12-06 02:18:15,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:15" (1/1) ... [2024-12-06 02:18:15,104 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2024-12-06 02:18:15,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:18:15,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:18:15,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:18:15,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:18:15,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:15" (1/1) ... [2024-12-06 02:18:15,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:15" (1/1) ... [2024-12-06 02:18:15,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:15" (1/1) ... [2024-12-06 02:18:15,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:15" (1/1) ... [2024-12-06 02:18:15,116 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:15" (1/1) ... [2024-12-06 02:18:15,116 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:15" (1/1) ... [2024-12-06 02:18:15,120 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:15" (1/1) ... [2024-12-06 02:18:15,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:15" (1/1) ... [2024-12-06 02:18:15,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:15" (1/1) ... [2024-12-06 02:18:15,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:18:15,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:18:15,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:18:15,123 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:18:15,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:18:15" (1/1) ... [2024-12-06 02:18:15,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:18:15,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6765cf67-898b-4e00-85e1-9b58a71a5ad5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:18:15,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6765cf67-898b-4e00-85e1-9b58a71a5ad5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:18:15,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6765cf67-898b-4e00-85e1-9b58a71a5ad5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:18:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:18:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:18:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:18:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:18:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:18:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:18:15,215 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:18:15,217 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:18:15,468 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-12-06 02:18:15,468 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:18:15,506 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:18:15,506 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 02:18:15,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:18:15 BoogieIcfgContainer [2024-12-06 02:18:15,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:18:15,507 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:18:15,507 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:18:15,516 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:18:15,516 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:18:15" (1/1) ... [2024-12-06 02:18:15,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:18:15,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:15,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 74 states and 83 transitions. [2024-12-06 02:18:15,567 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2024-12-06 02:18:15,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 02:18:15,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:15,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:18:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:15,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 02:18:15,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:15,685 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 02:18:15,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:15,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 75 states and 84 transitions. [2024-12-06 02:18:15,715 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2024-12-06 02:18:15,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 02:18:15,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:15,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:18:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:15,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 02:18:15,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:15,743 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 02:18:15,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:15,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 76 states and 85 transitions. [2024-12-06 02:18:15,756 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2024-12-06 02:18:15,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:18:15,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:15,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:18:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:15,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 02:18:15,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:15,818 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 02:18:15,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:15,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 80 states and 92 transitions. [2024-12-06 02:18:15,902 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2024-12-06 02:18:15,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:18:15,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:15,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:18:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:15,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 02:18:15,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:15,942 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 02:18:15,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:15,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 81 states and 93 transitions. [2024-12-06 02:18:15,958 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2024-12-06 02:18:15,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:18:15,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:15,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:18:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:15,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:18:15,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:16,061 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 02:18:16,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:16,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 87 states and 102 transitions. [2024-12-06 02:18:16,228 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2024-12-06 02:18:16,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:18:16,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:16,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:18:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:16,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:18:16,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:16,311 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 02:18:16,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:16,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 112 transitions. [2024-12-06 02:18:16,517 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2024-12-06 02:18:16,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 02:18:16,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:16,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:16,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:18:16,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:16,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 97 states and 117 transitions. [2024-12-06 02:18:16,643 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 117 transitions. [2024-12-06 02:18:16,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 02:18:16,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:16,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:18:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:16,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 02:18:16,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:16,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:18:17,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:17,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 107 states and 134 transitions. [2024-12-06 02:18:17,204 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 134 transitions. [2024-12-06 02:18:17,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:18:17,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:17,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:17,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:18:17,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:17,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 111 states and 141 transitions. [2024-12-06 02:18:17,611 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 141 transitions. [2024-12-06 02:18:17,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:18:17,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:17,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:18:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:17,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:18:17,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:17,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:18:18,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:18,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 115 states and 153 transitions. [2024-12-06 02:18:18,027 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2024-12-06 02:18:18,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 02:18:18,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:18,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:18,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:18:18,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:18,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 120 states and 160 transitions. [2024-12-06 02:18:18,722 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 160 transitions. [2024-12-06 02:18:18,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 02:18:18,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:18,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:18,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:18:19,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:19,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 124 states and 163 transitions. [2024-12-06 02:18:19,653 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 163 transitions. [2024-12-06 02:18:19,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 02:18:19,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:19,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:19,692 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:18:19,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:19,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 128 states and 170 transitions. [2024-12-06 02:18:19,949 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 170 transitions. [2024-12-06 02:18:19,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 02:18:19,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:19,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:19,976 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:18:20,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:20,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 133 states and 178 transitions. [2024-12-06 02:18:20,315 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 178 transitions. [2024-12-06 02:18:20,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:18:20,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:20,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:20,341 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:18:20,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:20,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 139 states and 187 transitions. [2024-12-06 02:18:20,671 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 187 transitions. [2024-12-06 02:18:20,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:18:20,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:20,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:20,696 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:18:21,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:21,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 146 states and 198 transitions. [2024-12-06 02:18:21,189 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 198 transitions. [2024-12-06 02:18:21,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:18:21,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:21,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:21,290 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 02:18:22,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:22,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 156 states and 214 transitions. [2024-12-06 02:18:22,630 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 214 transitions. [2024-12-06 02:18:22,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:18:22,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:22,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:18:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:18:22,656 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:18:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:18:22,684 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 18 iterations. [2024-12-06 02:18:22,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:18:22 ImpRootNode [2024-12-06 02:18:22,706 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:18:22,706 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:18:22,706 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:18:22,707 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:18:22,707 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:18:15" (3/4) ... [2024-12-06 02:18:22,708 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 02:18:22,741 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 20. [2024-12-06 02:18:22,794 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6765cf67-898b-4e00-85e1-9b58a71a5ad5/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:18:22,795 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6765cf67-898b-4e00-85e1-9b58a71a5ad5/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:18:22,795 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:18:22,795 INFO L158 Benchmark]: Toolchain (without parser) took 7877.92ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 86.6MB in the end (delta: 31.2MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2024-12-06 02:18:22,796 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:18:22,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 159.35ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 106.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:18:22,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.99ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:18:22,797 INFO L158 Benchmark]: Boogie Preprocessor took 17.99ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.4MB in the end (delta: 758.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:18:22,797 INFO L158 Benchmark]: RCFGBuilder took 382.92ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 86.8MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:18:22,797 INFO L158 Benchmark]: CodeCheck took 7199.13ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 90.6MB in the end (delta: -3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:18:22,797 INFO L158 Benchmark]: Witness Printer took 88.38ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 86.6MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:18:22,799 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 74 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1293 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 867 mSDsluCounter, 546 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 64 mSDsCounter, 548 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3136 IncrementalHoareTripleChecker+Invalid, 3684 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 548 mSolverCounterUnsat, 482 mSDtfsCounter, 3136 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2480 GetRequests, 2294 SyntacticMatches, 28 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12945 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 283 NumberOfCodeBlocks, 283 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 235 ConstructedInterpolants, 0 QuantifiedInterpolants, 804 SizeOfPredicates, 4 NumberOfNonLiveVariables, 366 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 56/56 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 49]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y, q, r, a, b; [L25] x = __VERIFIER_nondet_int() [L26] y = __VERIFIER_nondet_int() [L28] CALL assume_abort_if_not(y >= 1) [L12] COND FALSE !(!cond) [L28] RET assume_abort_if_not(y >= 1) [L30] q = 0 [L31] r = x [L32] a = 0 [L33] b = 0 VAL [a=0, b=0, q=0, r=1073741824, x=1073741824, y=1073741824] [L36] EXPR y*a VAL [a=0, b=0, q=0, r=1073741824, x=1073741824, y=1073741824] [L36] CALL __VERIFIER_assert(b == y*a) [L15] COND FALSE !(!(cond)) [L36] RET __VERIFIER_assert(b == y*a) VAL [a=0, b=0, q=0, r=1073741824, x=1073741824, y=1073741824] [L37] EXPR q*y VAL [a=0, b=0, q=0, r=1073741824, x=1073741824, y=1073741824] [L37] EXPR q*y + r VAL [a=0, b=0, q=0, r=1073741824, x=1073741824, y=1073741824] [L37] CALL __VERIFIER_assert(x == q*y + r) [L15] COND FALSE !(!(cond)) [L37] RET __VERIFIER_assert(x == q*y + r) VAL [a=0, b=0, q=0, r=1073741824, x=1073741824, y=1073741824] [L39] COND FALSE !(!(r >= y)) [L41] a = 1 [L42] b = y VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L45] EXPR y*a VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L45] CALL __VERIFIER_assert(b == y*a) [L15] COND FALSE !(!(cond)) [L45] RET __VERIFIER_assert(b == y*a) VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L46] EXPR q*y VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L46] EXPR q*y + r VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L46] CALL __VERIFIER_assert(x == q*y + r) [L15] COND FALSE !(!(cond)) [L46] RET __VERIFIER_assert(x == q*y + r) VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L47] CALL __VERIFIER_assert(r >= 0) [L15] COND FALSE !(!(cond)) [L47] RET __VERIFIER_assert(r >= 0) VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L49] 2 * b VAL [a=1, q=0, r=1073741824, x=1073741824, y=1073741824] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 159.35ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 106.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.99ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.99ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.4MB in the end (delta: 758.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 382.92ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 86.8MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 7199.13ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 90.6MB in the end (delta: -3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 88.38ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 86.6MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 02:18:22,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6765cf67-898b-4e00-85e1-9b58a71a5ad5/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)