./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a6e367-8d37-4ae0-94f8-68b5c1ac16d0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a6e367-8d37-4ae0-94f8-68b5c1ac16d0/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a6e367-8d37-4ae0-94f8-68b5c1ac16d0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a6e367-8d37-4ae0-94f8-68b5c1ac16d0/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a6e367-8d37-4ae0-94f8-68b5c1ac16d0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a6e367-8d37-4ae0-94f8-68b5c1ac16d0/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b1c73403384a361e15608c077b8e86297621fa69c42f15894e841079f64af74a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:12:03,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:12:03,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a6e367-8d37-4ae0-94f8-68b5c1ac16d0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:12:03,210 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:12:03,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:12:03,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:12:03,233 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:12:03,233 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:12:03,234 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:12:03,234 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:12:03,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:12:03,234 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:12:03,234 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:12:03,234 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:12:03,234 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:12:03,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:12:03,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:12:03,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:12:03,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:12:03,235 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:12:03,235 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:12:03,235 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:12:03,235 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:12:03,235 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:12:03,235 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:12:03,236 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:12:03,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:12:03,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:12:03,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:12:03,236 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:12:03,236 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:12:03,236 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:12:03,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:12:03,237 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_d1a6e367-8d37-4ae0-94f8-68b5c1ac16d0/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) 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 -> b1c73403384a361e15608c077b8e86297621fa69c42f15894e841079f64af74a [2024-12-06 05:12:03,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:12:03,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:12:03,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:12:03,485 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:12:03,486 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:12:03,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a6e367-8d37-4ae0-94f8-68b5c1ac16d0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2024-12-06 05:12:06,398 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a6e367-8d37-4ae0-94f8-68b5c1ac16d0/bin/ukojak-verify-CZk0znPC7b/data/95795406b/ac6cf56c38a84f719a41ed31574138c2/FLAG6eaa075bb [2024-12-06 05:12:06,645 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:12:06,646 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a6e367-8d37-4ae0-94f8-68b5c1ac16d0/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2024-12-06 05:12:06,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a6e367-8d37-4ae0-94f8-68b5c1ac16d0/bin/ukojak-verify-CZk0znPC7b/data/95795406b/ac6cf56c38a84f719a41ed31574138c2/FLAG6eaa075bb [2024-12-06 05:12:06,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a6e367-8d37-4ae0-94f8-68b5c1ac16d0/bin/ukojak-verify-CZk0znPC7b/data/95795406b/ac6cf56c38a84f719a41ed31574138c2 [2024-12-06 05:12:06,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:12:06,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:12:06,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:12:06,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:12:06,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:12:06,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:12:06" (1/1) ... [2024-12-06 05:12:06,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab0ff98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:06, skipping insertion in model container [2024-12-06 05:12:06,687 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:12:06" (1/1) ... [2024-12-06 05:12:06,707 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:12:06,874 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a6e367-8d37-4ae0-94f8-68b5c1ac16d0/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i[825,838] [2024-12-06 05:12:06,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:12:06,905 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:12:06,917 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a6e367-8d37-4ae0-94f8-68b5c1ac16d0/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i[825,838] [2024-12-06 05:12:06,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:12:06,941 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:12:06,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:06 WrapperNode [2024-12-06 05:12:06,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:12:06,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:12:06,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:12:06,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:12:06,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:06" (1/1) ... [2024-12-06 05:12:06,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:06" (1/1) ... [2024-12-06 05:12:06,977 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2024-12-06 05:12:06,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:12:06,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:12:06,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:12:06,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:12:06,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:06" (1/1) ... [2024-12-06 05:12:06,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:06" (1/1) ... [2024-12-06 05:12:06,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:06" (1/1) ... [2024-12-06 05:12:06,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:06" (1/1) ... [2024-12-06 05:12:06,993 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:06" (1/1) ... [2024-12-06 05:12:06,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:06" (1/1) ... [2024-12-06 05:12:06,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:06" (1/1) ... [2024-12-06 05:12:06,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:06" (1/1) ... [2024-12-06 05:12:07,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:06" (1/1) ... [2024-12-06 05:12:07,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:12:07,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:12:07,003 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:12:07,003 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:12:07,004 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:06" (1/1) ... [2024-12-06 05:12:07,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:12:07,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a6e367-8d37-4ae0-94f8-68b5c1ac16d0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:12:07,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a6e367-8d37-4ae0-94f8-68b5c1ac16d0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:12:07,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a6e367-8d37-4ae0-94f8-68b5c1ac16d0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:12:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:12:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:12:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:12:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 05:12:07,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:12:07,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:12:07,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:12:07,152 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:12:07,155 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:12:07,271 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-12-06 05:12:07,272 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:12:07,318 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:12:07,318 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:12:07,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:12:07 BoogieIcfgContainer [2024-12-06 05:12:07,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:12:07,319 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:12:07,320 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:12:07,332 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:12:07,332 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:12:07" (1/1) ... [2024-12-06 05:12:07,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:12:07,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:07,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:12:07,402 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:12:07,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:12:07,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:07,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:12:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:07,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:12:07,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:07,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2024-12-06 05:12:07,777 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2024-12-06 05:12:07,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:12:07,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:07,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:12:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:07,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:12:08,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:08,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 05:12:08,161 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 05:12:08,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:12:08,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:08,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:12:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:08,335 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 05:12:09,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:09,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 05:12:09,083 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 05:12:09,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 05:12:09,083 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-12-06 05:12:09,093 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 05:12:09,176 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 05:12:09,176 INFO L77 FloydHoareUtils]: At program point L29-3(lines 29 33) the Hoare annotation is: (and (= ~tmp~0.base |ULTIMATE.start_glob2_~p~0#1.base|) (<= |ULTIMATE.start_glob2_~pathlim#1.offset| ~tmp~0.offset)) [2024-12-06 05:12:09,176 INFO L77 FloydHoareUtils]: At program point L15(lines 15 17) the Hoare annotation is: (and (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) (= ~tmp~0.base |ULTIMATE.start_glob2_~p~0#1.base|) (<= |ULTIMATE.start_glob2_~pathlim#1.offset| ~tmp~0.offset)) [2024-12-06 05:12:09,177 INFO L77 FloydHoareUtils]: At program point L15-2(lines 14 19) the Hoare annotation is: (and (= ~tmp~0.base |ULTIMATE.start_glob2_~p~0#1.base|) (<= |ULTIMATE.start_glob2_~pathlim#1.offset| ~tmp~0.offset)) [2024-12-06 05:12:09,177 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 05:12:09,177 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2024-12-06 05:12:09,177 INFO L75 FloydHoareUtils]: For program point L16(line 16) no Hoare annotation was computed. [2024-12-06 05:12:09,184 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~tmp~0!base [2024-12-06 05:12:09,185 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!base [2024-12-06 05:12:09,187 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pathlim!offset [2024-12-06 05:12:09,187 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~tmp~0!offset [2024-12-06 05:12:09,187 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~tmp~0!base [2024-12-06 05:12:09,187 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!base [2024-12-06 05:12:09,187 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pathlim!offset [2024-12-06 05:12:09,187 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~tmp~0!offset [2024-12-06 05:12:09,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:12:09 ImpRootNode [2024-12-06 05:12:09,188 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:12:09,189 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:12:09,189 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:12:09,189 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:12:09,190 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:12:07" (3/4) ... [2024-12-06 05:12:09,193 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 05:12:09,200 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-06 05:12:09,201 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-06 05:12:09,201 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 05:12:09,201 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 05:12:09,286 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a6e367-8d37-4ae0-94f8-68b5c1ac16d0/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:12:09,286 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a6e367-8d37-4ae0-94f8-68b5c1ac16d0/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:12:09,286 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:12:09,287 INFO L158 Benchmark]: Toolchain (without parser) took 2610.25ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 56.2MB in the end (delta: 60.9MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2024-12-06 05:12:09,287 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:12:09,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.76ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 106.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:12:09,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.98ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 104.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:12:09,288 INFO L158 Benchmark]: Boogie Preprocessor took 24.09ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.1MB in the end (delta: 820.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:12:09,288 INFO L158 Benchmark]: RCFGBuilder took 315.79ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 91.8MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:12:09,289 INFO L158 Benchmark]: CodeCheck took 1869.15ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 60.7MB in the end (delta: 30.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-12-06 05:12:09,289 INFO L158 Benchmark]: Witness Printer took 97.21ms. Allocated memory is still 142.6MB. Free memory was 60.7MB in the beginning and 56.2MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:12:09,291 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 3 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 131 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 458 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 5/9 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: 16]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.76ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 106.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.98ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 104.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.09ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.1MB in the end (delta: 820.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 315.79ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 91.8MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1869.15ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 60.7MB in the end (delta: 30.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 97.21ms. Allocated memory is still 142.6MB. Free memory was 60.7MB in the beginning and 56.2MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~tmp~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pathlim!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~tmp~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~tmp~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pathlim!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~tmp~0!offset RESULT: Ultimate proved your program to be correct! [2024-12-06 05:12:09,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a6e367-8d37-4ae0-94f8-68b5c1ac16d0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE