./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark07_linear.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_e3bd95d6-0c3d-4fc4-9a45-9ffe07bce114/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bd95d6-0c3d-4fc4-9a45-9ffe07bce114/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bd95d6-0c3d-4fc4-9a45-9ffe07bce114/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bd95d6-0c3d-4fc4-9a45-9ffe07bce114/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark07_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bd95d6-0c3d-4fc4-9a45-9ffe07bce114/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bd95d6-0c3d-4fc4-9a45-9ffe07bce114/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a73419fb64daa6d7ad78ec2e7248d3c39562a5784dfcea53eb2425fcf193a59 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:49:10,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:49:10,725 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bd95d6-0c3d-4fc4-9a45-9ffe07bce114/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 04:49:10,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:49:10,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:49:10,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:49:10,782 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:49:10,784 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:49:10,784 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:49:10,785 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:49:10,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:49:10,786 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:49:10,787 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:49:10,787 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:49:10,787 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:49:10,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:49:10,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:49:10,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:49:10,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:49:10,788 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:49:10,788 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:49:10,788 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:49:10,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:49:10,788 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:49:10,788 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:49:10,788 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:49:10,790 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:49:10,791 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:49:10,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:49:10,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:49:10,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:49:10,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:49:10,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:49:10,792 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:49:10,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:49:10,792 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_e3bd95d6-0c3d-4fc4-9a45-9ffe07bce114/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a73419fb64daa6d7ad78ec2e7248d3c39562a5784dfcea53eb2425fcf193a59 [2024-11-25 04:49:11,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:49:11,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:49:11,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:49:11,248 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:49:11,249 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:49:11,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bd95d6-0c3d-4fc4-9a45-9ffe07bce114/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/loop-zilu/benchmark07_linear.i [2024-11-25 04:49:14,877 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bd95d6-0c3d-4fc4-9a45-9ffe07bce114/bin/ukojak-verify-ENZ3QT5qd3/data/7bcd71ecf/41af84cab17b40f1b4a3757c2047d022/FLAGbd43b0682 [2024-11-25 04:49:15,265 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:49:15,266 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bd95d6-0c3d-4fc4-9a45-9ffe07bce114/sv-benchmarks/c/loop-zilu/benchmark07_linear.i [2024-11-25 04:49:15,279 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bd95d6-0c3d-4fc4-9a45-9ffe07bce114/bin/ukojak-verify-ENZ3QT5qd3/data/7bcd71ecf/41af84cab17b40f1b4a3757c2047d022/FLAGbd43b0682 [2024-11-25 04:49:15,313 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bd95d6-0c3d-4fc4-9a45-9ffe07bce114/bin/ukojak-verify-ENZ3QT5qd3/data/7bcd71ecf/41af84cab17b40f1b4a3757c2047d022 [2024-11-25 04:49:15,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:49:15,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:49:15,322 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:49:15,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:49:15,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:49:15,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:15,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122f4a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15, skipping insertion in model container [2024-11-25 04:49:15,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:15,358 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:49:15,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:49:15,621 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:49:15,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:49:15,666 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:49:15,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15 WrapperNode [2024-11-25 04:49:15,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:49:15,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:49:15,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:49:15,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:49:15,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:15,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:15,716 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2024-11-25 04:49:15,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:49:15,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:49:15,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:49:15,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:49:15,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:15,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:15,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:15,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:15,737 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:15,743 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:15,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:15,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:15,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:15,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:49:15,758 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:49:15,758 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:49:15,758 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:49:15,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:15" (1/1) ... [2024-11-25 04:49:15,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:49:15,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bd95d6-0c3d-4fc4-9a45-9ffe07bce114/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:49:15,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bd95d6-0c3d-4fc4-9a45-9ffe07bce114/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:49:15,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bd95d6-0c3d-4fc4-9a45-9ffe07bce114/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:49:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:49:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:49:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:49:15,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:49:15,932 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:49:15,935 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:49:16,138 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-25 04:49:16,138 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:49:16,222 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:49:16,222 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:49:16,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:16 BoogieIcfgContainer [2024-11-25 04:49:16,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:49:16,224 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:49:16,224 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:49:16,236 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:49:16,237 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:16" (1/1) ... [2024-11-25 04:49:16,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:49:16,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:16,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2024-11-25 04:49:16,313 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-25 04:49:16,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:49:16,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:16,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:49:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:16,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:49:16,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:16,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-25 04:49:16,695 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-25 04:49:16,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:49:16,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:16,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:49:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:16,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:49:16,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:16,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-25 04:49:16,851 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-25 04:49:16,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:49:16,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:16,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:49:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:16,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:49:17,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:17,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2024-11-25 04:49:17,438 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-11-25 04:49:17,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:49:17,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:17,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:49:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:17,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:49:17,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:17,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-25 04:49:17,571 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-25 04:49:17,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:49:17,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:17,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:49:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:49:17,601 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:49:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:49:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:49:17,674 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:49:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:49:17,699 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-25 04:49:17,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:49:17 ImpRootNode [2024-11-25 04:49:17,737 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:49:17,738 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:49:17,738 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:49:17,738 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:49:17,739 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:16" (3/4) ... [2024-11-25 04:49:17,740 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:49:17,789 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 4. [2024-11-25 04:49:17,850 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bd95d6-0c3d-4fc4-9a45-9ffe07bce114/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:49:17,851 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bd95d6-0c3d-4fc4-9a45-9ffe07bce114/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:49:17,851 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:49:17,854 INFO L158 Benchmark]: Toolchain (without parser) took 2533.13ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 78.5MB in the end (delta: 14.3MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-11-25 04:49:17,855 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:49:17,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.71ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 82.1MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:49:17,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.22ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:49:17,857 INFO L158 Benchmark]: Boogie Preprocessor took 37.55ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.1MB in the end (delta: 834.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:49:17,859 INFO L158 Benchmark]: RCFGBuilder took 465.23ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 68.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:49:17,859 INFO L158 Benchmark]: CodeCheck took 1513.14ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 82.5MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:49:17,860 INFO L158 Benchmark]: Witness Printer took 113.93ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 78.5MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:49:17,863 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, 18 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 28 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 164 SyntacticMatches, 5 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 28]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int i = __VERIFIER_nondet_int(); [L21] int n = __VERIFIER_nondet_int(); [L22] int k = __VERIFIER_nondet_int(); [L23] _Bool flag = __VERIFIER_nondet_bool(); [L24] i=0 VAL [flag=1, i=0, k=2147479648, n=1] [L25] COND FALSE !(!(n>0 && n<10)) VAL [flag=1, i=0, k=2147479648, n=1] [L26] COND TRUE i