./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.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_4b506de5-515e-41f2-94e0-1457d22974ee/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b506de5-515e-41f2-94e0-1457d22974ee/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_4b506de5-515e-41f2-94e0-1457d22974ee/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b506de5-515e-41f2-94e0-1457d22974ee/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b506de5-515e-41f2-94e0-1457d22974ee/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_4b506de5-515e-41f2-94e0-1457d22974ee/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 f1c0f52e4e285a18472ace03d4db4ceb89212d4af812bbedd827878c931f4f63 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:15:10,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:15:10,510 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b506de5-515e-41f2-94e0-1457d22974ee/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:15:10,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:15:10,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:15:10,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:15:10,549 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:15:10,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:15:10,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:15:10,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:15:10,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:15:10,553 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:15:10,553 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:15:10,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:15:10,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:15:10,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:15:10,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:15:10,555 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:15:10,555 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:15:10,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:15:10,556 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:15:10,556 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:15:10,556 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:15:10,556 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:15:10,556 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:15:10,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:15:10,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:15:10,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:15:10,557 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:15:10,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:15:10,557 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:15:10,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:15:10,557 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_4b506de5-515e-41f2-94e0-1457d22974ee/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 -> f1c0f52e4e285a18472ace03d4db4ceb89212d4af812bbedd827878c931f4f63 [2024-11-24 18:15:10,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:15:10,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:15:10,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:15:10,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:15:10,949 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:15:10,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b506de5-515e-41f2-94e0-1457d22974ee/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2024-11-24 18:15:14,328 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b506de5-515e-41f2-94e0-1457d22974ee/bin/ukojak-verify-ENZ3QT5qd3/data/911156a9c/e5a0c012fc264fe9a32afc52a531b4ab/FLAG7451c16ed [2024-11-24 18:15:14,725 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:15:14,726 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b506de5-515e-41f2-94e0-1457d22974ee/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2024-11-24 18:15:14,740 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b506de5-515e-41f2-94e0-1457d22974ee/bin/ukojak-verify-ENZ3QT5qd3/data/911156a9c/e5a0c012fc264fe9a32afc52a531b4ab/FLAG7451c16ed [2024-11-24 18:15:14,769 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b506de5-515e-41f2-94e0-1457d22974ee/bin/ukojak-verify-ENZ3QT5qd3/data/911156a9c/e5a0c012fc264fe9a32afc52a531b4ab [2024-11-24 18:15:14,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:15:14,775 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:15:14,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:15:14,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:15:14,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:15:14,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:15:14" (1/1) ... [2024-11-24 18:15:14,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20a219d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:14, skipping insertion in model container [2024-11-24 18:15:14,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:15:14" (1/1) ... [2024-11-24 18:15:14,812 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:15:15,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:15:15,024 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:15:15,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:15:15,059 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:15:15,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:15 WrapperNode [2024-11-24 18:15:15,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:15:15,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:15:15,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:15:15,062 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:15:15,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:15" (1/1) ... [2024-11-24 18:15:15,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:15" (1/1) ... [2024-11-24 18:15:15,098 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2024-11-24 18:15:15,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:15:15,100 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:15:15,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:15:15,100 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:15:15,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:15" (1/1) ... [2024-11-24 18:15:15,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:15" (1/1) ... [2024-11-24 18:15:15,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:15" (1/1) ... [2024-11-24 18:15:15,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:15" (1/1) ... [2024-11-24 18:15:15,113 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:15" (1/1) ... [2024-11-24 18:15:15,114 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:15" (1/1) ... [2024-11-24 18:15:15,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:15" (1/1) ... [2024-11-24 18:15:15,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:15" (1/1) ... [2024-11-24 18:15:15,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:15" (1/1) ... [2024-11-24 18:15:15,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:15:15,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:15:15,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:15:15,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:15:15,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:15:15" (1/1) ... [2024-11-24 18:15:15,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:15:15,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b506de5-515e-41f2-94e0-1457d22974ee/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:15:15,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b506de5-515e-41f2-94e0-1457d22974ee/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:15:15,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b506de5-515e-41f2-94e0-1457d22974ee/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:15:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:15:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:15:15,327 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:15:15,329 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:15:15,447 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-24 18:15:15,447 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:15:15,493 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:15:15,493 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 18:15:15,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:15:15 BoogieIcfgContainer [2024-11-24 18:15:15,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:15:15,495 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:15:15,495 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:15:15,509 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:15:15,509 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:15:15" (1/1) ... [2024-11-24 18:15:15,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:15:15,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:15,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-24 18:15:15,602 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-24 18:15:15,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:15:15,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:15,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:15,841 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 18:15:15,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-24 18:15:15,941 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-24 18:15:15,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:15:15,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:15,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:16,015 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 18:15:16,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:16,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2024-11-24 18:15:16,190 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2024-11-24 18:15:16,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-24 18:15:16,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:16,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:16,291 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 18:15:16,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:16,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-11-24 18:15:16,610 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-11-24 18:15:16,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-24 18:15:16,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:16,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:16,714 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 18:15:17,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:17,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2024-11-24 18:15:17,060 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2024-11-24 18:15:17,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:15:17,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:17,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:17,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:15:17,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:17,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2024-11-24 18:15:17,630 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2024-11-24 18:15:17,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:15:17,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:17,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:17,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:15:17,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:17,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-24 18:15:17,830 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-24 18:15:17,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:15:17,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:17,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:17,913 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:15:18,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:18,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-24 18:15:18,027 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-24 18:15:18,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:15:18,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:18,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:18,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:15:18,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:18,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-24 18:15:18,344 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-24 18:15:18,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:15:18,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:18,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:18,434 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:15:18,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:18,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-24 18:15:18,508 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-24 18:15:18,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-24 18:15:18,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:18,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:18,561 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-24 18:15:18,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:18,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-24 18:15:18,778 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-24 18:15:18,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-24 18:15:18,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:18,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:15:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:18,827 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-24 18:15:19,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:19,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-24 18:15:19,494 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-24 18:15:19,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 18:15:19,495 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2024-11-24 18:15:19,515 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-24 18:15:19,755 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2024-11-24 18:15:19,756 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-24 18:15:19,756 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-11-24 18:15:19,758 INFO L77 FloydHoareUtils]: At program point L19-1(lines 19 21) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~i~0#1| 4))) (or (and (<= |ULTIMATE.start_main_~j~0#1| 9) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (< 0 |ULTIMATE.start_main_~j~0#1|) .cse0) (and (<= 0 |ULTIMATE.start_main_~j~0#1|) .cse0 (<= 3 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 0)))) [2024-11-24 18:15:19,758 INFO L77 FloydHoareUtils]: At program point L19-3(lines 19 21) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 4)) [2024-11-24 18:15:19,760 INFO L77 FloydHoareUtils]: At program point L19-4(lines 19 21) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i~0#1| 4)) [2024-11-24 18:15:19,760 INFO L77 FloydHoareUtils]: At program point L17-3(lines 17 23) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) [2024-11-24 18:15:19,760 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-24 18:15:19,760 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2024-11-24 18:15:19,761 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-11-24 18:15:19,761 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i~0#1| 4)) [2024-11-24 18:15:19,761 INFO L77 FloydHoareUtils]: At program point L20(line 20) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~i~0#1| 4))) (or (and (<= |ULTIMATE.start_main_~j~0#1| 9) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (< 0 |ULTIMATE.start_main_~j~0#1|) .cse0) (and (<= 0 |ULTIMATE.start_main_~j~0#1|) .cse0 (<= 3 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 0)))) [2024-11-24 18:15:19,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:15:19 ImpRootNode [2024-11-24 18:15:19,778 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:15:19,778 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:15:19,779 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:15:19,779 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:15:19,780 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:15:15" (3/4) ... [2024-11-24 18:15:19,783 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 18:15:19,791 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-24 18:15:19,791 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-24 18:15:19,791 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-24 18:15:19,888 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b506de5-515e-41f2-94e0-1457d22974ee/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:15:19,889 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b506de5-515e-41f2-94e0-1457d22974ee/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:15:19,890 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:15:19,893 INFO L158 Benchmark]: Toolchain (without parser) took 5116.18ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 45.1MB in the end (delta: 47.5MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2024-11-24 18:15:19,894 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:15:19,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.61ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 82.5MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:15:19,896 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.24ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.6MB in the end (delta: 844.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:15:19,896 INFO L158 Benchmark]: Boogie Preprocessor took 28.22ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.9MB in the end (delta: 681.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:15:19,896 INFO L158 Benchmark]: RCFGBuilder took 365.48ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 71.3MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:15:19,898 INFO L158 Benchmark]: CodeCheck took 4282.69ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 49.5MB in the end (delta: 21.6MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-11-24 18:15:19,898 INFO L158 Benchmark]: Witness Printer took 111.23ms. Allocated memory is still 117.4MB. Free memory was 49.5MB in the beginning and 45.1MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:15:19,900 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 263 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 208 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 229 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 998 IncrementalHoareTripleChecker+Invalid, 1227 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 229 mSolverCounterUnsat, 11 mSDtfsCounter, 998 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 706 GetRequests, 614 SyntacticMatches, 28 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1736 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 18/20 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: 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: 22]: 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: 17]: Loop Invariant Derived loop invariant: (0 <= (i + 2147483648)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (((0 <= (i + 2147483648)) && (0 <= j)) && (i <= 4)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.61ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 82.5MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.24ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.6MB in the end (delta: 844.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.22ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.9MB in the end (delta: 681.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 365.48ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 71.3MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 4282.69ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 49.5MB in the end (delta: 21.6MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Witness Printer took 111.23ms. Allocated memory is still 117.4MB. Free memory was 49.5MB in the beginning and 45.1MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-24 18:15:19,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b506de5-515e-41f2-94e0-1457d22974ee/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