./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137a3891-74e2-4d38-b946-4cfa8d78bf6a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137a3891-74e2-4d38-b946-4cfa8d78bf6a/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_137a3891-74e2-4d38-b946-4cfa8d78bf6a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137a3891-74e2-4d38-b946-4cfa8d78bf6a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137a3891-74e2-4d38-b946-4cfa8d78bf6a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137a3891-74e2-4d38-b946-4cfa8d78bf6a/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 64bit --witnessprinter.graph.data.programhash 702a5cb4e98140bb9dbcfd0fb89e24e07deb7e8ce40ea61b05e70376d58bbad7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:48:23,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:48:23,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137a3891-74e2-4d38-b946-4cfa8d78bf6a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:48:23,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:48:23,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:48:23,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:48:23,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:48:23,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:48:23,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:48:23,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:48:23,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:48:23,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:48:23,738 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:48:23,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:48:23,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:48:23,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:48:23,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:48:23,739 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:48:23,739 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:48:23,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:48:23,739 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:48:23,739 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:48:23,739 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:48:23,739 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:48:23,739 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:48:23,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:48:23,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:48:23,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:48:23,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:48:23,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:48:23,740 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:48:23,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:48:23,740 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_137a3891-74e2-4d38-b946-4cfa8d78bf6a/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 702a5cb4e98140bb9dbcfd0fb89e24e07deb7e8ce40ea61b05e70376d58bbad7 [2024-11-25 04:48:24,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:48:24,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:48:24,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:48:24,080 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:48:24,080 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:48:24,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137a3891-74e2-4d38-b946-4cfa8d78bf6a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex4.c [2024-11-25 04:48:26,981 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137a3891-74e2-4d38-b946-4cfa8d78bf6a/bin/ukojak-verify-ENZ3QT5qd3/data/2b4e884e6/802d0a3180694e5180af8b12b96b0622/FLAG4edcdad19 [2024-11-25 04:48:27,270 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:48:27,274 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137a3891-74e2-4d38-b946-4cfa8d78bf6a/sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex4.c [2024-11-25 04:48:27,306 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137a3891-74e2-4d38-b946-4cfa8d78bf6a/bin/ukojak-verify-ENZ3QT5qd3/data/2b4e884e6/802d0a3180694e5180af8b12b96b0622/FLAG4edcdad19 [2024-11-25 04:48:27,553 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137a3891-74e2-4d38-b946-4cfa8d78bf6a/bin/ukojak-verify-ENZ3QT5qd3/data/2b4e884e6/802d0a3180694e5180af8b12b96b0622 [2024-11-25 04:48:27,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:48:27,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:48:27,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:48:27,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:48:27,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:48:27,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:48:27" (1/1) ... [2024-11-25 04:48:27,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@663f91e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:27, skipping insertion in model container [2024-11-25 04:48:27,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:48:27" (1/1) ... [2024-11-25 04:48:27,583 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:48:27,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:48:27,759 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:48:27,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:48:27,782 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:48:27,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:27 WrapperNode [2024-11-25 04:48:27,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:48:27,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:48:27,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:48:27,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:48:27,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:27" (1/1) ... [2024-11-25 04:48:27,794 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:27" (1/1) ... [2024-11-25 04:48:27,809 INFO L138 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-11-25 04:48:27,810 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:48:27,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:48:27,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:48:27,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:48:27,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:27" (1/1) ... [2024-11-25 04:48:27,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:27" (1/1) ... [2024-11-25 04:48:27,816 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:27" (1/1) ... [2024-11-25 04:48:27,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:27" (1/1) ... [2024-11-25 04:48:27,817 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:27" (1/1) ... [2024-11-25 04:48:27,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:27" (1/1) ... [2024-11-25 04:48:27,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:27" (1/1) ... [2024-11-25 04:48:27,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:27" (1/1) ... [2024-11-25 04:48:27,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:27" (1/1) ... [2024-11-25 04:48:27,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:48:27,823 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:48:27,823 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:48:27,823 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:48:27,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:27" (1/1) ... [2024-11-25 04:48:27,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:48:27,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137a3891-74e2-4d38-b946-4cfa8d78bf6a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:48:27,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137a3891-74e2-4d38-b946-4cfa8d78bf6a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:48:27,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137a3891-74e2-4d38-b946-4cfa8d78bf6a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:48:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure p [2024-11-25 04:48:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure p [2024-11-25 04:48:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:48:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:48:27,959 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:48:27,961 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:48:28,096 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-25 04:48:28,097 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:48:28,115 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:48:28,116 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:48:28,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:48:28 BoogieIcfgContainer [2024-11-25 04:48:28,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:48:28,117 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:48:28,117 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:48:28,127 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:48:28,127 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:48:28" (1/1) ... [2024-11-25 04:48:28,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:48:28,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:28,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2024-11-25 04:48:28,188 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-11-25 04:48:28,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:48:28,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:28,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:48:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:28,348 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 04:48:28,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:28,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2024-11-25 04:48:28,398 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-11-25 04:48:28,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:48:28,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:28,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:48:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:28,496 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 04:48:28,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:28,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 32 transitions. [2024-11-25 04:48:28,707 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2024-11-25 04:48:28,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:48:28,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:28,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:48:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:28,765 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 04:48:28,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:28,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 31 transitions. [2024-11-25 04:48:28,808 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-25 04:48:28,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:48:28,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:28,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:48:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:28,950 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 04:48:29,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:29,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 39 transitions. [2024-11-25 04:48:29,501 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2024-11-25 04:48:29,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:48:29,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:29,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:48:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:29,609 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:48:29,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:29,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 43 transitions. [2024-11-25 04:48:29,776 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-11-25 04:48:29,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:48:29,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:29,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:48:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:29,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:48:30,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:30,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 34 states and 45 transitions. [2024-11-25 04:48:30,059 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-11-25 04:48:30,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:48:30,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:30,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:48:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:30,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:48:31,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:31,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 40 states and 57 transitions. [2024-11-25 04:48:31,199 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2024-11-25 04:48:31,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 04:48:31,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:31,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:48:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:31,258 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:48:31,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:31,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 60 transitions. [2024-11-25 04:48:31,360 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2024-11-25 04:48:31,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:48:31,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:31,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:48:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:31,446 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:48:31,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:31,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 63 transitions. [2024-11-25 04:48:31,676 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2024-11-25 04:48:31,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:48:31,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:31,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:48:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:31,885 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:48:32,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:32,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 19 states and 23 transitions. [2024-11-25 04:48:32,468 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-25 04:48:32,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:48:32,469 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2024-11-25 04:48:32,478 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-25 04:48:32,565 INFO L77 FloydHoareUtils]: At program point pEXIT(lines 12 22) the Hoare annotation is: true [2024-11-25 04:48:32,566 INFO L77 FloydHoareUtils]: At program point L17(line 17) the Hoare annotation is: (and (<= 1 p_~n) (< p_~r 1) (<= p_~n 2147483647) (<= p_~m 2147483647)) [2024-11-25 04:48:32,566 INFO L77 FloydHoareUtils]: At program point L16(lines 16 20) the Hoare annotation is: (and (< p_~r 1) (<= p_~n 2147483647) (<= p_~m 2147483647)) [2024-11-25 04:48:32,566 INFO L77 FloydHoareUtils]: At program point L17-1(line 17) the Hoare annotation is: (and (< p_~r 1) (<= p_~n 2147483647) (<= p_~m 2147483647)) [2024-11-25 04:48:32,566 INFO L77 FloydHoareUtils]: At program point L17-2(line 17) the Hoare annotation is: (and (< p_~r 1) (<= p_~n 2147483647) (<= p_~m 2147483647)) [2024-11-25 04:48:32,567 INFO L77 FloydHoareUtils]: At program point L14(line 14) the Hoare annotation is: (and (<= 1 p_~r) (<= p_~r 2147483647) (<= p_~n 2147483647) (<= p_~m 2147483647)) [2024-11-25 04:48:32,567 INFO L77 FloydHoareUtils]: At program point L17-3(line 17) the Hoare annotation is: true [2024-11-25 04:48:32,567 INFO L77 FloydHoareUtils]: At program point L13(lines 13 21) the Hoare annotation is: (and (<= p_~r 2147483647) (<= p_~n 2147483647) (<= p_~m 2147483647)) [2024-11-25 04:48:32,567 INFO L77 FloydHoareUtils]: At program point L14-1(line 14) the Hoare annotation is: (and (<= p_~r 2147483647) (<= p_~n 2147483647) (<= p_~m 2147483647)) [2024-11-25 04:48:32,567 INFO L75 FloydHoareUtils]: For program point pErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2024-11-25 04:48:32,567 INFO L77 FloydHoareUtils]: At program point L14-2(line 14) the Hoare annotation is: (and (<= p_~r 2147483647) (<= p_~n 2147483647) (<= p_~m 2147483647)) [2024-11-25 04:48:32,568 INFO L77 FloydHoareUtils]: At program point L14-3(line 14) the Hoare annotation is: true [2024-11-25 04:48:32,568 INFO L75 FloydHoareUtils]: For program point pErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2024-11-25 04:48:32,568 INFO L75 FloydHoareUtils]: For program point pErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-11-25 04:48:32,568 INFO L75 FloydHoareUtils]: For program point pErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-11-25 04:48:32,568 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 12 22) the Hoare annotation is: (and (<= |p_#in~m| 2147483647) (<= |p_#in~r| 2147483647) (<= |p_#in~n| 2147483647)) [2024-11-25 04:48:32,568 INFO L77 FloydHoareUtils]: At program point pFINAL(lines 12 22) the Hoare annotation is: true [2024-11-25 04:48:32,569 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:48:32,569 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (<= |ULTIMATE.start_main_~r~0#1| 2147483647) (<= |ULTIMATE.start_main_~m~0#1| 2147483647)) [2024-11-25 04:48:32,569 INFO L77 FloydHoareUtils]: At program point L28(lines 28 30) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (<= |ULTIMATE.start_main_~r~0#1| 2147483647) (<= |ULTIMATE.start_main_~m~0#1| 2147483647)) [2024-11-25 04:48:32,569 INFO L77 FloydHoareUtils]: At program point L29-1(line 29) the Hoare annotation is: true [2024-11-25 04:48:32,569 INFO L77 FloydHoareUtils]: At program point L28-2(lines 28 30) the Hoare annotation is: true [2024-11-25 04:48:32,569 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:48:32,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:48:32 ImpRootNode [2024-11-25 04:48:32,593 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:48:32,594 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:48:32,594 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:48:32,594 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:48:32,595 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:48:28" (3/4) ... [2024-11-25 04:48:32,597 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:48:32,601 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure p [2024-11-25 04:48:32,605 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-25 04:48:32,605 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 04:48:32,605 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 04:48:32,678 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137a3891-74e2-4d38-b946-4cfa8d78bf6a/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:48:32,679 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137a3891-74e2-4d38-b946-4cfa8d78bf6a/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:48:32,679 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:48:32,680 INFO L158 Benchmark]: Toolchain (without parser) took 5122.99ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 94.5MB in the beginning and 252.9MB in the end (delta: -158.4MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2024-11-25 04:48:32,680 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:48:32,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.63ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 84.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:48:32,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.48ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 83.6MB in the end (delta: 881.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:48:32,681 INFO L158 Benchmark]: Boogie Preprocessor took 12.64ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 82.7MB in the end (delta: 594.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:48:32,682 INFO L158 Benchmark]: RCFGBuilder took 293.02ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 72.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:48:32,682 INFO L158 Benchmark]: CodeCheck took 4476.48ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 72.1MB in the beginning and 257.5MB in the end (delta: -185.4MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2024-11-25 04:48:32,683 INFO L158 Benchmark]: Witness Printer took 85.11ms. Allocated memory is still 352.3MB. Free memory was 257.5MB in the beginning and 252.9MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:48:32,685 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, 23 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 397 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 236 mSDsluCounter, 206 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 216 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1010 IncrementalHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 216 mSolverCounterUnsat, 206 mSDtfsCounter, 1010 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1009 GetRequests, 860 SyntacticMatches, 61 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2356 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 295 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 11/31 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - ProcedureContractResult [Line: 12]: Procedure Contract for p Derived contract for procedure p. Requires: (((m <= 2147483647) && (r <= 2147483647)) && (n <= 2147483647)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.63ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 84.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.48ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 83.6MB in the end (delta: 881.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.64ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 82.7MB in the end (delta: 594.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 293.02ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 72.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 4476.48ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 72.1MB in the beginning and 257.5MB in the end (delta: -185.4MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * Witness Printer took 85.11ms. Allocated memory is still 352.3MB. Free memory was 257.5MB in the beginning and 252.9MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 04:48:32,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137a3891-74e2-4d38-b946-4cfa8d78bf6a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE