./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/byte_add-1.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_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/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_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/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_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/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 7dfc9f1e1cbceb1807370dcac22a0449d857eff9a54bdefbc84178983a910e84 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:51:59,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:51:59,927 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:51:59,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:51:59,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:51:59,950 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:51:59,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:51:59,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:51:59,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:51:59,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:51:59,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:51:59,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:51:59,952 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:51:59,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:51:59,952 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:51:59,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:51:59,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:51:59,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:51:59,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:51:59,953 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:51:59,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:51:59,953 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:51:59,953 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:51:59,953 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:51:59,953 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:51:59,953 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:51:59,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:51:59,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:51:59,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:51:59,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:51:59,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:51:59,954 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:51:59,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:51:59,954 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_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/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 -> 7dfc9f1e1cbceb1807370dcac22a0449d857eff9a54bdefbc84178983a910e84 [2024-12-06 00:52:00,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:52:00,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:52:00,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:52:00,204 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:52:00,205 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:52:00,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/byte_add-1.i [2024-12-06 00:52:02,888 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/data/9e775bb77/9a6476ace34049e0a2c6b118f20371ef/FLAGdd402e0ec [2024-12-06 00:52:03,116 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:52:03,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/sv-benchmarks/c/bitvector/byte_add-1.i [2024-12-06 00:52:03,124 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/data/9e775bb77/9a6476ace34049e0a2c6b118f20371ef/FLAGdd402e0ec [2024-12-06 00:52:03,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/data/9e775bb77/9a6476ace34049e0a2c6b118f20371ef [2024-12-06 00:52:03,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:52:03,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:52:03,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:52:03,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:52:03,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:52:03,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:52:03" (1/1) ... [2024-12-06 00:52:03,147 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 12:52:03, skipping insertion in model container [2024-12-06 00:52:03,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:52:03" (1/1) ... [2024-12-06 00:52:03,163 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:52:03,293 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_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/sv-benchmarks/c/bitvector/byte_add-1.i[1166,1179] [2024-12-06 00:52:03,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:52:03,339 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:52:03,349 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_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/sv-benchmarks/c/bitvector/byte_add-1.i[1166,1179] [2024-12-06 00:52:03,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:52:03,383 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:52:03,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:03 WrapperNode [2024-12-06 00:52:03,384 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:52:03,385 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:52:03,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:52:03,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:52:03,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:03" (1/1) ... [2024-12-06 00:52:03,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:03" (1/1) ... [2024-12-06 00:52:03,422 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 147 [2024-12-06 00:52:03,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:52:03,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:52:03,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:52:03,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:52:03,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:03" (1/1) ... [2024-12-06 00:52:03,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:03" (1/1) ... [2024-12-06 00:52:03,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:03" (1/1) ... [2024-12-06 00:52:03,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:03" (1/1) ... [2024-12-06 00:52:03,436 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:03" (1/1) ... [2024-12-06 00:52:03,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:03" (1/1) ... [2024-12-06 00:52:03,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:03" (1/1) ... [2024-12-06 00:52:03,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:03" (1/1) ... [2024-12-06 00:52:03,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:03" (1/1) ... [2024-12-06 00:52:03,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:52:03,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:52:03,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:52:03,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:52:03,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:03" (1/1) ... [2024-12-06 00:52:03,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:52:03,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:52:03,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:52:03,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:52:03,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:52:03,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:52:03,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:52:03,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:52:03,557 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:52:03,558 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:52:03,843 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-12-06 00:52:03,843 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:52:04,052 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:52:04,052 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:52:04,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:52:04 BoogieIcfgContainer [2024-12-06 00:52:04,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:52:04,053 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:52:04,053 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:52:04,064 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:52:04,064 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:52:04" (1/1) ... [2024-12-06 00:52:04,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:52:04,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:04,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:52:04,119 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:52:04,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:52:04,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:04,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:52:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:04,402 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 00:52:04,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:04,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-12-06 00:52:04,477 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-12-06 00:52:04,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:52:04,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:04,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:52:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:04,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:04,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:04,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-12-06 00:52:04,876 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-12-06 00:52:04,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:52:04,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:04,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:52:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:05,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:05,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:05,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2024-12-06 00:52:05,402 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2024-12-06 00:52:05,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:52:05,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:05,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:52:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:06,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:06,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2024-12-06 00:52:06,191 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2024-12-06 00:52:06,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:52:06,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:06,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:52:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:52:06,868 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:52:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:52:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:52:08,082 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:52:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:52:10,427 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-12-06 00:52:10,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:52:10 ImpRootNode [2024-12-06 00:52:10,476 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:52:10,477 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:52:10,477 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:52:10,477 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:52:10,478 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:52:04" (3/4) ... [2024-12-06 00:52:10,482 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:52:10,483 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:52:10,484 INFO L158 Benchmark]: Toolchain (without parser) took 7342.71ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 116.3MB in the beginning and 153.9MB in the end (delta: -37.6MB). Peak memory consumption was 142.7MB. Max. memory is 16.1GB. [2024-12-06 00:52:10,486 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:52:10,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.29ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 102.8MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:52:10,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.27ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 100.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:52:10,488 INFO L158 Benchmark]: Boogie Preprocessor took 23.45ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 98.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:52:10,488 INFO L158 Benchmark]: RCFGBuilder took 605.30ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 102.7MB in the end (delta: -3.9MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-12-06 00:52:10,488 INFO L158 Benchmark]: CodeCheck took 6423.10ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 102.7MB in the beginning and 153.9MB in the end (delta: -51.2MB). Peak memory consumption was 129.4MB. Max. memory is 16.1GB. [2024-12-06 00:52:10,489 INFO L158 Benchmark]: Witness Printer took 5.67ms. Allocated memory is still 327.2MB. Free memory was 153.9MB in the beginning and 153.9MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:52:10,494 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, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 126 IncrementalHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 12 mSDtfsCounter, 126 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 209 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 104 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/10 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 - UnprovableResult [Line: 25]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 116. Possible FailurePath: [L124] unsigned int a, b, r; [L126] a = __VERIFIER_nondet_uint() [L127] b = __VERIFIER_nondet_uint() [L129] CALL, EXPR mp_add(a, b) [L42] unsigned char a0, a1, a2, a3; [L43] unsigned char b0, b1, b2, b3; [L44] unsigned char r0, r1, r2, r3; [L45] unsigned short carry; [L46] unsigned short partial_sum; [L47] unsigned int r; [L48] unsigned char i; [L49] unsigned char na, nb; [L50] a0 = a [L51] a1 = a >> 8 [L52] a2 = a >> 16U [L53] a3 = a >> 24U [L54] b0 = b [L55] b1 = b >> 8U [L56] b2 = b >> 16U [L57] b3 = b >> 24U [L58] na = (unsigned char)4 [L59] COND FALSE !(a3 == (unsigned char)0) [L68] nb = (unsigned char)4 [L69] COND TRUE b3 == (unsigned char)0 [L70] nb = nb - 1 [L71] COND TRUE b2 == (unsigned char)0 [L72] nb = nb - 1 [L73] COND TRUE b1 == (unsigned char)0 [L74] nb = nb - 1 [L78] carry = (unsigned short)0 [L79] i = (unsigned char)0 VAL [a0=67305216, a1=262911, a2=1026, a3=4, b0=255, b1=0, b2=0, b3=0, carry=0, i=0, na=4, nb=1] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 [L83] COND TRUE i < na [L84] COND TRUE i == (unsigned char)0 [L84] partial_sum = partial_sum + a0 [L85] COND FALSE !(i == (unsigned char)1) [L86] COND FALSE !(i == (unsigned char)2) [L87] COND FALSE !(i == (unsigned char)3) [L89] COND TRUE i < nb [L90] COND TRUE i == (unsigned char)0 [L90] partial_sum = partial_sum + b0 [L91] COND FALSE !(i == (unsigned char)1) [L92] COND FALSE !(i == (unsigned char)2) [L93] COND FALSE !(i == (unsigned char)3) [L95] COND TRUE partial_sum > ((unsigned char)254) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 [L99] COND TRUE i == (unsigned char)0 [L99] r0 = (unsigned char)partial_sum [L100] COND FALSE !(i == (unsigned char)1) [L101] COND FALSE !(i == (unsigned char)2) [L102] COND FALSE !(i == (unsigned char)3) [L104] i = i + (unsigned char)1 VAL [a0=67305216, a1=262911, a2=1026, a3=4, b0=255, b1=0, b2=0, b3=0, carry=1, i=1, na=4, nb=1, r0=255, r1=18, r2=27, r3=25] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 [L83] COND TRUE i < na [L84] COND FALSE !(i == (unsigned char)0) [L85] COND TRUE i == (unsigned char)1 [L85] partial_sum = partial_sum + a1 [L86] COND FALSE !(i == (unsigned char)2) [L87] COND FALSE !(i == (unsigned char)3) [L89] COND FALSE !(i < nb) [L95] COND TRUE partial_sum > ((unsigned char)254) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 [L99] COND FALSE !(i == (unsigned char)0) [L100] COND TRUE i == (unsigned char)1 [L100] r1 = (unsigned char)partial_sum [L101] COND FALSE !(i == (unsigned char)2) [L102] COND FALSE !(i == (unsigned char)3) [L104] i = i + (unsigned char)1 VAL [a0=67305216, a1=262911, a2=1026, a3=4, b0=255, b1=0, b2=0, b3=0, carry=1, i=2, na=4, nb=1, r0=255, r1=0, r2=27, r3=25] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 [L83] COND TRUE i < na [L84] COND FALSE !(i == (unsigned char)0) [L85] COND FALSE !(i == (unsigned char)1) [L86] COND TRUE i == (unsigned char)2 [L86] partial_sum = partial_sum + a2 [L87] COND FALSE !(i == (unsigned char)3) [L89] COND FALSE !(i < nb) [L95] COND FALSE !(partial_sum > ((unsigned char)254)) [L99] COND FALSE !(i == (unsigned char)0) [L100] COND FALSE !(i == (unsigned char)1) [L101] COND TRUE i == (unsigned char)2 [L101] r2 = (unsigned char)partial_sum [L102] COND FALSE !(i == (unsigned char)3) [L104] i = i + (unsigned char)1 VAL [a0=67305216, a1=262911, a2=1026, a3=4, b0=255, b1=0, b2=0, b3=0, carry=0, i=3, na=4, nb=1, r0=255, r1=0, r2=3, r3=25] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 [L83] COND TRUE i < na [L84] COND FALSE !(i == (unsigned char)0) [L85] COND FALSE !(i == (unsigned char)1) [L86] COND FALSE !(i == (unsigned char)2) [L87] COND TRUE i == (unsigned char)3 [L87] partial_sum = partial_sum + a3 [L89] COND FALSE !(i < nb) [L95] COND FALSE !(partial_sum > ((unsigned char)254)) [L99] COND FALSE !(i == (unsigned char)0) [L100] COND FALSE !(i == (unsigned char)1) [L101] COND FALSE !(i == (unsigned char)2) [L102] COND TRUE i == (unsigned char)3 [L102] r3 = (unsigned char)partial_sum [L104] i = i + (unsigned char)1 VAL [a0=67305216, a1=262911, a2=1026, a3=4, b0=255, b1=0, b2=0, b3=0, carry=0, i=4, na=4, nb=1, r0=255, r1=0, r2=3, r3=4] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [a0=67305216, a1=262911, a2=1026, a3=4, b0=255, b1=0, b2=0, b3=0, i=4, r0=255, r1=0, r2=3, r3=4] [L107] COND FALSE !(i < (unsigned char)4) [L116] EXPR r0 | (r1 << 8U) [L116] EXPR r0 | (r1 << 8U) | (r2 << 16U) [L116] EXPR r0 | (r1 << 8U) | (r2 << 16U) | ((unsigned int)r3 << 24U) [L116] r = r0 | (r1 << 8U) | (r2 << 16U) | ((unsigned int)r3 << 24U) [L118] return r; [L129] RET, EXPR mp_add(a, b) [L129] r = mp_add(a, b) [L131] CALL __VERIFIER_assert(r == a + b) [L24] COND TRUE !(cond) [L25] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.29ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 102.8MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.27ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 100.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.45ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 98.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 605.30ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 102.7MB in the end (delta: -3.9MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * CodeCheck took 6423.10ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 102.7MB in the beginning and 153.9MB in the end (delta: -51.2MB). Peak memory consumption was 129.4MB. Max. memory is 16.1GB. * Witness Printer took 5.67ms. Allocated memory is still 327.2MB. Free memory was 153.9MB in the beginning and 153.9MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:52:10,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/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_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/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 7dfc9f1e1cbceb1807370dcac22a0449d857eff9a54bdefbc84178983a910e84 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:52:12,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:52:12,641 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:52:12,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:52:12,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:52:12,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:52:12,672 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:52:12,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:52:12,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:52:12,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:52:12,672 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:52:12,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:52:12,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:52:12,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:52:12,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:52:12,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:52:12,673 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:52:12,673 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:52:12,673 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:52:12,673 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:52:12,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:52:12,673 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:52:12,673 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:52:12,673 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:52:12,674 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:52:12,674 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:52:12,674 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:12,674 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:52:12,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:52:12,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:52:12,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:52:12,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:52:12,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:52:12,674 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:52:12,675 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:12,675 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:52:12,675 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_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/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 -> 7dfc9f1e1cbceb1807370dcac22a0449d857eff9a54bdefbc84178983a910e84 [2024-12-06 00:52:12,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:52:12,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:52:12,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:52:12,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:52:12,949 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:52:12,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/byte_add-1.i [2024-12-06 00:52:15,647 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/data/23b0ce006/352762ef18124b76b4ecf19f16c582d2/FLAGccac9bbb8 [2024-12-06 00:52:15,830 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:52:15,831 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/sv-benchmarks/c/bitvector/byte_add-1.i [2024-12-06 00:52:15,840 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/data/23b0ce006/352762ef18124b76b4ecf19f16c582d2/FLAGccac9bbb8 [2024-12-06 00:52:15,853 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/data/23b0ce006/352762ef18124b76b4ecf19f16c582d2 [2024-12-06 00:52:15,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:52:15,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:52:15,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:52:15,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:52:15,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:52:15,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:52:15" (1/1) ... [2024-12-06 00:52:15,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eebe6f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:15, skipping insertion in model container [2024-12-06 00:52:15,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:52:15" (1/1) ... [2024-12-06 00:52:15,876 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:52:15,986 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_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/sv-benchmarks/c/bitvector/byte_add-1.i[1166,1179] [2024-12-06 00:52:16,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:52:16,035 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:52:16,046 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_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/sv-benchmarks/c/bitvector/byte_add-1.i[1166,1179] [2024-12-06 00:52:16,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:52:16,081 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:52:16,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:16 WrapperNode [2024-12-06 00:52:16,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:52:16,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:52:16,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:52:16,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:52:16,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:16" (1/1) ... [2024-12-06 00:52:16,094 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:16" (1/1) ... [2024-12-06 00:52:16,113 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 123 [2024-12-06 00:52:16,113 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:52:16,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:52:16,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:52:16,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:52:16,120 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:16" (1/1) ... [2024-12-06 00:52:16,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:16" (1/1) ... [2024-12-06 00:52:16,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:16" (1/1) ... [2024-12-06 00:52:16,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:16" (1/1) ... [2024-12-06 00:52:16,129 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:16" (1/1) ... [2024-12-06 00:52:16,130 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:16" (1/1) ... [2024-12-06 00:52:16,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:16" (1/1) ... [2024-12-06 00:52:16,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:16" (1/1) ... [2024-12-06 00:52:16,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:16" (1/1) ... [2024-12-06 00:52:16,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:52:16,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:52:16,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:52:16,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:52:16,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:16" (1/1) ... [2024-12-06 00:52:16,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:52:16,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:52:16,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:52:16,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:52:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:52:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:52:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:52:16,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:52:16,252 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:52:16,254 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:52:16,490 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-12-06 00:52:16,491 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:52:16,715 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:52:16,715 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:52:16,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:52:16 BoogieIcfgContainer [2024-12-06 00:52:16,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:52:16,716 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:52:16,716 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:52:16,726 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:52:16,726 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:52:16" (1/1) ... [2024-12-06 00:52:16,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:52:16,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:16,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:52:16,779 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:52:16,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:52:16,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:16,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:16,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:16,784 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:16,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:52:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:16,884 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:16,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:52:16,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:16,946 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 00:52:16,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:52:17,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:17,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2024-12-06 00:52:17,007 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2024-12-06 00:52:17,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:52:17,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:17,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:17,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:17,009 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:17,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:52:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:17,094 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:17,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:52:17,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:17,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:17,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-06 00:52:17,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:17,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-12-06 00:52:17,194 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-12-06 00:52:17,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:52:17,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:17,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:17,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:17,198 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:17,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:52:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:17,294 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:17,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:52:17,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:17,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:17,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:52:17,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:17,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-06 00:52:17,368 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-06 00:52:17,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:52:17,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:17,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:17,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:17,371 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:17,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:52:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:17,451 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:17,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:52:17,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:17,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:17,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 00:52:17,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:17,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-12-06 00:52:17,556 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-12-06 00:52:17,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:52:17,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:17,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:17,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:17,558 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:17,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:52:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:17,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:17,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:52:17,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:17,751 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:17,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 00:52:17,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:17,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2024-12-06 00:52:17,793 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2024-12-06 00:52:17,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:52:17,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:17,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:17,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:17,796 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:17,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:52:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:17,899 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:17,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:52:17,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:17,959 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:17,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 00:52:18,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:18,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-06 00:52:18,046 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-06 00:52:18,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:52:18,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:18,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:18,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:18,049 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:18,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 00:52:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:18,200 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:18,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:52:18,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:18,262 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:18,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 00:52:18,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:18,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-12-06 00:52:18,298 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-12-06 00:52:18,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:52:18,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:18,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:18,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:18,301 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:18,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 00:52:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:18,399 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:18,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 00:52:18,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:18,607 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 00:52:18,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 00:52:18,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:18,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2024-12-06 00:52:18,723 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2024-12-06 00:52:18,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:52:18,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:18,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:18,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:18,726 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:18,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 00:52:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:18,827 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:18,872 WARN L254 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 00:52:18,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:20,630 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:20,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-12-06 00:52:22,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:22,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2024-12-06 00:52:22,959 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2024-12-06 00:52:22,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:52:22,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:22,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:22,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:22,962 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:22,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 00:52:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:52:23,078 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:52:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:52:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:52:23,268 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:52:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:52:23,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-12-06 00:52:23,346 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2024-12-06 00:52:23,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:52:23 ImpRootNode [2024-12-06 00:52:23,375 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:52:23,375 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:52:23,375 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:52:23,375 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:52:23,376 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:52:16" (3/4) ... [2024-12-06 00:52:23,377 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 00:52:23,419 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 55. [2024-12-06 00:52:23,486 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:52:23,486 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:52:23,486 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:52:23,487 INFO L158 Benchmark]: Toolchain (without parser) took 7630.79ms. Allocated memory was 92.3MB in the beginning and 159.4MB in the end (delta: 67.1MB). Free memory was 70.0MB in the beginning and 106.9MB in the end (delta: -36.9MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2024-12-06 00:52:23,487 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:52:23,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.70ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 56.7MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:52:23,488 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.04ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 55.2MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:52:23,488 INFO L158 Benchmark]: Boogie Preprocessor took 25.04ms. Allocated memory is still 92.3MB. Free memory was 55.2MB in the beginning and 53.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:52:23,488 INFO L158 Benchmark]: RCFGBuilder took 575.90ms. Allocated memory is still 92.3MB. Free memory was 53.9MB in the beginning and 33.7MB in the end (delta: 20.1MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-12-06 00:52:23,489 INFO L158 Benchmark]: CodeCheck took 6658.50ms. Allocated memory was 92.3MB in the beginning and 159.4MB in the end (delta: 67.1MB). Free memory was 33.7MB in the beginning and 114.9MB in the end (delta: -81.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:52:23,489 INFO L158 Benchmark]: Witness Printer took 111.30ms. Allocated memory is still 159.4MB. Free memory was 114.9MB in the beginning and 106.9MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:52:23,491 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, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 135 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 197 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 349 IncrementalHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 197 mSolverCounterUnsat, 27 mSDtfsCounter, 349 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 528 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 853 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 776 SizeOfPredicates, 11 NumberOfNonLiveVariables, 402 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 10/37 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 25]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L124] unsigned int a, b, r; [L126] a = __VERIFIER_nondet_uint() [L127] b = __VERIFIER_nondet_uint() [L129] CALL, EXPR mp_add(a, b) [L42] unsigned char a0, a1, a2, a3; [L43] unsigned char b0, b1, b2, b3; [L44] unsigned char r0, r1, r2, r3; [L45] unsigned short carry; [L46] unsigned short partial_sum; [L47] unsigned int r; [L48] unsigned char i; [L49] unsigned char na, nb; [L50] a0 = a [L51] a1 = a >> 8 [L52] a2 = a >> 16U [L53] a3 = a >> 24U [L54] b0 = b [L55] b1 = b >> 8U [L56] b2 = b >> 16U [L57] b3 = b >> 24U [L58] na = (unsigned char)4 [L59] COND TRUE a3 == (unsigned char)0 [L60] na = na - 1 [L61] COND TRUE a2 == (unsigned char)0 [L62] na = na - 1 [L63] COND FALSE !(a1 == (unsigned char)0) [L68] nb = (unsigned char)4 [L69] COND TRUE b3 == (unsigned char)0 [L70] nb = nb - 1 [L71] COND TRUE b2 == (unsigned char)0 [L72] nb = nb - 1 [L73] COND FALSE !(b1 == (unsigned char)0) [L78] carry = (unsigned short)0 [L79] i = (unsigned char)0 VAL [a0=-8, a1=31, a2=0, a3=0, b0=7, b1=60, b2=0, b3=0, carry=0, i=0, na=2, nb=2] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 [L83] COND TRUE i < na [L84] COND TRUE i == (unsigned char)0 [L84] partial_sum = partial_sum + a0 [L85] COND FALSE !(i == (unsigned char)1) [L86] COND FALSE !(i == (unsigned char)2) [L87] COND FALSE !(i == (unsigned char)3) [L89] COND TRUE i < nb [L90] COND TRUE i == (unsigned char)0 [L90] partial_sum = partial_sum + b0 [L91] COND FALSE !(i == (unsigned char)1) [L92] COND FALSE !(i == (unsigned char)2) [L93] COND FALSE !(i == (unsigned char)3) [L95] COND TRUE partial_sum > ((unsigned char)254) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 [L99] COND TRUE i == (unsigned char)0 [L99] r0 = (unsigned char)partial_sum [L100] COND FALSE !(i == (unsigned char)1) [L101] COND FALSE !(i == (unsigned char)2) [L102] COND FALSE !(i == (unsigned char)3) [L104] i = i + (unsigned char)1 VAL [a0=-8, a1=31, a2=0, a3=0, b0=7, b1=60, b2=0, b3=0, carry=1, i=1, na=2, nb=2, r0=-1, r1=8, r2=0, r3=32] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 [L83] COND TRUE i < na [L84] COND FALSE !(i == (unsigned char)0) [L85] COND TRUE i == (unsigned char)1 [L85] partial_sum = partial_sum + a1 [L86] COND FALSE !(i == (unsigned char)2) [L87] COND FALSE !(i == (unsigned char)3) [L89] COND TRUE i < nb [L90] COND FALSE !(i == (unsigned char)0) [L91] COND TRUE i == (unsigned char)1 [L91] partial_sum = partial_sum + b1 [L92] COND FALSE !(i == (unsigned char)2) [L93] COND FALSE !(i == (unsigned char)3) [L95] COND FALSE !(partial_sum > ((unsigned char)254)) [L99] COND FALSE !(i == (unsigned char)0) [L100] COND TRUE i == (unsigned char)1 [L100] r1 = (unsigned char)partial_sum [L101] COND FALSE !(i == (unsigned char)2) [L102] COND FALSE !(i == (unsigned char)3) [L104] i = i + (unsigned char)1 VAL [a0=-8, a1=31, a2=0, a3=0, b0=7, b1=60, b2=0, b3=0, carry=0, i=2, na=2, nb=2, r0=-1, r1=92, r2=0, r3=32] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [a0=-8, a1=31, a2=0, a3=0, b0=7, b1=60, b2=0, b3=0, i=2, r0=-1, r1=92, r2=0, r3=32] [L107] COND TRUE i < (unsigned char)4 [L108] COND FALSE !(i == (unsigned char)0) [L109] COND FALSE !(i == (unsigned char)1) [L110] COND TRUE i == (unsigned char)2 [L110] r2 = (unsigned char)0 [L111] COND FALSE !(i == (unsigned char)3) [L113] i = i + (unsigned char)1 VAL [a0=-8, a1=31, a2=0, a3=0, b0=7, b1=60, b2=0, b3=0, i=3, r0=-1, r1=92, r2=0, r3=32] [L107] COND TRUE i < (unsigned char)4 [L108] COND FALSE !(i == (unsigned char)0) [L109] COND FALSE !(i == (unsigned char)1) [L110] COND FALSE !(i == (unsigned char)2) [L111] COND TRUE i == (unsigned char)3 [L111] r3 = (unsigned char)0 [L113] i = i + (unsigned char)1 VAL [a0=-8, a1=31, a2=0, a3=0, b0=7, b1=60, b2=0, b3=0, i=4, r0=-1, r1=92, r2=0, r3=0] [L107] COND FALSE !(i < (unsigned char)4) [L116] r = r0 | (r1 << 8U) | (r2 << 16U) | ((unsigned int)r3 << 24U) [L118] return r; [L129] RET, EXPR mp_add(a, b) [L129] r = mp_add(a, b) [L131] CALL __VERIFIER_assert(r == a + b) [L24] COND TRUE !(cond) [L25] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.70ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 56.7MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.04ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 55.2MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.04ms. Allocated memory is still 92.3MB. Free memory was 55.2MB in the beginning and 53.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 575.90ms. Allocated memory is still 92.3MB. Free memory was 53.9MB in the beginning and 33.7MB in the end (delta: 20.1MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * CodeCheck took 6658.50ms. Allocated memory was 92.3MB in the beginning and 159.4MB in the end (delta: 67.1MB). Free memory was 33.7MB in the beginning and 114.9MB in the end (delta: -81.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 111.30ms. Allocated memory is still 159.4MB. Free memory was 114.9MB in the beginning and 106.9MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 00:52:23,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f39327a-7fe4-423c-8dc2-c2e6bb18e0ba/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE