./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark52_polynomial.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_6260890e-7191-4cce-8604-7d9964495c63/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6260890e-7191-4cce-8604-7d9964495c63/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_6260890e-7191-4cce-8604-7d9964495c63/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6260890e-7191-4cce-8604-7d9964495c63/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark52_polynomial.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6260890e-7191-4cce-8604-7d9964495c63/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_6260890e-7191-4cce-8604-7d9964495c63/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 30423d130febadd361f3e4a853592861e7b12a17e365ee39eab7e3a86989589e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:19:27,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:19:27,665 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6260890e-7191-4cce-8604-7d9964495c63/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-24 18:19:27,673 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:19:27,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:19:27,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:19:27,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:19:27,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:19:27,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:19:27,719 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:19:27,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:19:27,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:19:27,721 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:19:27,721 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:19:27,721 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:19:27,721 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:19:27,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:19:27,722 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:19:27,722 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:19:27,723 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:19:27,723 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:19:27,723 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:19:27,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:19:27,723 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:19:27,723 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:19:27,723 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:19:27,723 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:19:27,724 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:19:27,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:19:27,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:19:27,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:19:27,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:19:27,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:19:27,724 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:19:27,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:19:27,726 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_6260890e-7191-4cce-8604-7d9964495c63/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 -> 30423d130febadd361f3e4a853592861e7b12a17e365ee39eab7e3a86989589e [2024-11-24 18:19:28,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:19:28,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:19:28,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:19:28,098 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:19:28,101 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:19:28,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6260890e-7191-4cce-8604-7d9964495c63/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/loop-zilu/benchmark52_polynomial.i [2024-11-24 18:19:31,138 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6260890e-7191-4cce-8604-7d9964495c63/bin/ukojak-verify-ENZ3QT5qd3/data/c20ee7850/5a6bc806b0c7488e80b8dbd0ba6219ff/FLAG336091939 [2024-11-24 18:19:31,477 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:19:31,478 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6260890e-7191-4cce-8604-7d9964495c63/sv-benchmarks/c/loop-zilu/benchmark52_polynomial.i [2024-11-24 18:19:31,504 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6260890e-7191-4cce-8604-7d9964495c63/bin/ukojak-verify-ENZ3QT5qd3/data/c20ee7850/5a6bc806b0c7488e80b8dbd0ba6219ff/FLAG336091939 [2024-11-24 18:19:31,564 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6260890e-7191-4cce-8604-7d9964495c63/bin/ukojak-verify-ENZ3QT5qd3/data/c20ee7850/5a6bc806b0c7488e80b8dbd0ba6219ff [2024-11-24 18:19:31,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:19:31,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:19:31,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:19:31,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:19:31,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:19:31,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ea965a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31, skipping insertion in model container [2024-11-24 18:19:31,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,603 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:19:31,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:19:31,799 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:19:31,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:19:31,834 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:19:31,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31 WrapperNode [2024-11-24 18:19:31,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:19:31,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:19:31,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:19:31,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:19:31,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,856 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,877 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-11-24 18:19:31,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:19:31,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:19:31,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:19:31,879 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:19:31,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,892 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,907 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:19:31,908 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:19:31,908 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:19:31,908 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:19:31,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:19:31,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6260890e-7191-4cce-8604-7d9964495c63/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:19:31,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6260890e-7191-4cce-8604-7d9964495c63/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:19:31,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6260890e-7191-4cce-8604-7d9964495c63/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:19:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:19:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:19:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:19:31,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:19:32,044 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:19:32,046 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:19:32,167 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-24 18:19:32,167 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:19:32,203 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:19:32,203 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 18:19:32,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:19:32 BoogieIcfgContainer [2024-11-24 18:19:32,204 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:19:32,205 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:19:32,205 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:19:32,216 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:19:32,216 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:19:32" (1/1) ... [2024-11-24 18:19:32,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:19:32,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:32,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-24 18:19:32,279 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-24 18:19:32,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-24 18:19:32,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:32,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:19:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:32,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:19:32,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:32,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-24 18:19:32,419 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-24 18:19:32,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:19:32,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:32,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:19:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:19:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:32,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:19:32,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:32,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:19:32,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:32,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-24 18:19:32,606 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-24 18:19:32,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:19:32,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:32,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:19:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:32,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:19:32,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:32,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-24 18:19:32,731 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-24 18:19:32,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:19:32,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:32,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:19:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:32,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:19:32,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:32,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-24 18:19:32,950 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-24 18:19:32,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 18:19:32,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:32,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:19:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:19:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:33,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:19:33,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:33,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:19:33,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:33,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-24 18:19:33,430 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-24 18:19:33,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 18:19:33,431 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-24 18:19:33,443 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-24 18:19:33,542 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-11-24 18:19:33,542 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-24 18:19:33,542 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2024-11-24 18:19:33,543 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: (and (<= 0 (+ 9 |ULTIMATE.start_main_~i~0#1|)) (<= |ULTIMATE.start_main_~i~0#1| 9)) [2024-11-24 18:19:33,547 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) [2024-11-24 18:19:33,547 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-24 18:19:33,547 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 19 27) the Hoare annotation is: true [2024-11-24 18:19:33,547 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-11-24 18:19:33,547 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2024-11-24 18:19:33,547 INFO L77 FloydHoareUtils]: At program point L22-1(line 22) the Hoare annotation is: (not (and (not (and (<= |ULTIMATE.start_main_~i~0#1| 10) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 8)))) (not (and (<= 0 (+ 9 |ULTIMATE.start_main_~i~0#1|)) (<= |ULTIMATE.start_main_~i~0#1| 9))))) [2024-11-24 18:19:33,547 INFO L77 FloydHoareUtils]: At program point L22-2(lines 22 24) the Hoare annotation is: (<= 0 (+ 9 |ULTIMATE.start_main_~i~0#1|)) [2024-11-24 18:19:33,547 INFO L77 FloydHoareUtils]: At program point L22-3(lines 22 24) the Hoare annotation is: (and (<= 0 (+ 9 |ULTIMATE.start_main_~i~0#1|)) (<= |ULTIMATE.start_main_~i~0#1| 9)) [2024-11-24 18:19:33,548 INFO L77 FloydHoareUtils]: At program point L22-5(lines 22 24) the Hoare annotation is: (not (and (not (and (<= |ULTIMATE.start_main_~i~0#1| 10) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 8)))) (not (and (<= 0 (+ 9 |ULTIMATE.start_main_~i~0#1|)) (<= |ULTIMATE.start_main_~i~0#1| 9))))) [2024-11-24 18:19:33,548 INFO L77 FloydHoareUtils]: At program point L22-6(lines 22 24) the Hoare annotation is: true [2024-11-24 18:19:33,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:19:33 ImpRootNode [2024-11-24 18:19:33,568 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:19:33,571 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:19:33,571 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:19:33,571 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:19:33,572 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:19:32" (3/4) ... [2024-11-24 18:19:33,575 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 18:19:33,584 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-24 18:19:33,585 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-24 18:19:33,586 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 18:19:33,586 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 18:19:33,684 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6260890e-7191-4cce-8604-7d9964495c63/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:19:33,684 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6260890e-7191-4cce-8604-7d9964495c63/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:19:33,685 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:19:33,686 INFO L158 Benchmark]: Toolchain (without parser) took 2116.11ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 99.6MB in the end (delta: 19.9MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-11-24 18:19:33,689 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:19:33,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.53ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 109.0MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:19:33,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.12ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 107.7MB in the end (delta: 996.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:19:33,690 INFO L158 Benchmark]: Boogie Preprocessor took 28.84ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 107.2MB in the end (delta: 553.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:19:33,690 INFO L158 Benchmark]: RCFGBuilder took 296.22ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 95.9MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:19:33,691 INFO L158 Benchmark]: CodeCheck took 1363.93ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 104.0MB in the end (delta: -8.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:19:33,691 INFO L158 Benchmark]: Witness Printer took 114.60ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 99.6MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:19:33,694 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, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141 IncrementalHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 20 mSDtfsCounter, 141 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 216 GetRequests, 192 SyntacticMatches, 6 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 53 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 0/2 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: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: 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: 22]: Loop Invariant Derived loop invariant: !(!((i <= 10) && (0 <= ((long long) i + 8))) && !((0 <= ((long long) 9 + i)) && (i <= 9))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.53ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 109.0MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.12ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 107.7MB in the end (delta: 996.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.84ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 107.2MB in the end (delta: 553.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 296.22ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 95.9MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1363.93ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 104.0MB in the end (delta: -8.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 114.60ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 99.6MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-24 18:19:33,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6260890e-7191-4cce-8604-7d9964495c63/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE