./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 03:36:15,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:36:15,263 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:36:15,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:36:15,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:36:15,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:36:15,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:36:15,291 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:36:15,292 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:36:15,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:36:15,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:36:15,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:36:15,294 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:36:15,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:36:15,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:36:15,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:36:15,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:36:15,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:36:15,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:36:15,297 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:36:15,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:36:15,298 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:36:15,299 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:36:15,299 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:36:15,300 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:36:15,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:36:15,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:36:15,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:36:15,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:36:15,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:36:15,302 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:36:15,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:36:15,303 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:36:15,303 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dfc9f1e1cbceb1807370dcac22a0449d857eff9a54bdefbc84178983a910e84 [2023-12-03 03:36:15,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:36:15,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:36:15,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:36:15,546 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:36:15,546 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:36:15,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/bitvector/byte_add-1.i [2023-12-03 03:36:18,330 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:36:18,513 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:36:18,513 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/sv-benchmarks/c/bitvector/byte_add-1.i [2023-12-03 03:36:18,521 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/data/9da079045/cda1e302df864d75bd6c2995b45a8864/FLAGdccc62501 [2023-12-03 03:36:18,536 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/data/9da079045/cda1e302df864d75bd6c2995b45a8864 [2023-12-03 03:36:18,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:36:18,540 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:36:18,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:36:18,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:36:18,546 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:36:18,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:36:18" (1/1) ... [2023-12-03 03:36:18,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ff84d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:18, skipping insertion in model container [2023-12-03 03:36:18,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:36:18" (1/1) ... [2023-12-03 03:36:18,575 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:36:18,722 WARN L240 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_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/sv-benchmarks/c/bitvector/byte_add-1.i[1166,1179] [2023-12-03 03:36:18,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:36:18,775 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:36:18,787 WARN L240 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_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/sv-benchmarks/c/bitvector/byte_add-1.i[1166,1179] [2023-12-03 03:36:18,813 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:36:18,828 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:36:18,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:18 WrapperNode [2023-12-03 03:36:18,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:36:18,830 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:36:18,830 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:36:18,830 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:36:18,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:18" (1/1) ... [2023-12-03 03:36:18,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:18" (1/1) ... [2023-12-03 03:36:18,879 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 153 [2023-12-03 03:36:18,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:36:18,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:36:18,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:36:18,881 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:36:18,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:18" (1/1) ... [2023-12-03 03:36:18,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:18" (1/1) ... [2023-12-03 03:36:18,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:18" (1/1) ... [2023-12-03 03:36:18,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:18" (1/1) ... [2023-12-03 03:36:18,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:18" (1/1) ... [2023-12-03 03:36:18,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:18" (1/1) ... [2023-12-03 03:36:18,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:18" (1/1) ... [2023-12-03 03:36:18,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:18" (1/1) ... [2023-12-03 03:36:18,916 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:36:18,917 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:36:18,918 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:36:18,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:36:18,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:18" (1/1) ... [2023-12-03 03:36:18,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:36:18,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:36:18,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:36:18,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:36:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:36:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:36:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:36:18,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:36:19,069 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:36:19,071 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:36:19,379 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:36:19,641 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:36:19,641 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 03:36:19,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:36:19 BoogieIcfgContainer [2023-12-03 03:36:19,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:36:19,644 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:36:19,644 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:36:19,654 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:36:19,655 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:36:19" (1/1) ... [2023-12-03 03:36:19,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:36:19,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:19,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 03:36:19,719 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 03:36:19,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:36:19,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:19,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:20,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:20,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:20,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2023-12-03 03:36:20,127 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2023-12-03 03:36:20,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:36:20,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:20,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:20,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:20,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:20,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2023-12-03 03:36:20,486 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2023-12-03 03:36:20,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:36:20,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:20,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:20,913 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:21,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:21,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2023-12-03 03:36:21,056 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2023-12-03 03:36:21,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:36:21,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:21,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:21,566 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:21,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:21,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2023-12-03 03:36:21,705 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2023-12-03 03:36:21,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:36:21,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:21,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:36:22,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:36:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:36:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 03:36:32,948 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 03:36:32,951 INFO L158 Benchmark]: Toolchain (without parser) took 14410.69ms. Allocated memory was 148.9MB in the beginning and 220.2MB in the end (delta: 71.3MB). Free memory was 112.0MB in the beginning and 145.3MB in the end (delta: -33.3MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2023-12-03 03:36:32,951 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:36:32,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.09ms. Allocated memory is still 148.9MB. Free memory was 111.6MB in the beginning and 98.6MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:36:32,952 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.08ms. Allocated memory is still 148.9MB. Free memory was 98.6MB in the beginning and 95.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:36:32,953 INFO L158 Benchmark]: Boogie Preprocessor took 36.42ms. Allocated memory is still 148.9MB. Free memory was 95.7MB in the beginning and 93.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:36:32,954 INFO L158 Benchmark]: RCFGBuilder took 725.77ms. Allocated memory was 148.9MB in the beginning and 182.5MB in the end (delta: 33.6MB). Free memory was 93.9MB in the beginning and 131.3MB in the end (delta: -37.4MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2023-12-03 03:36:32,954 INFO L158 Benchmark]: CodeCheck took 13305.65ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 131.3MB in the beginning and 145.3MB in the end (delta: -14.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-03 03:36:32,958 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.09ms. Allocated memory is still 148.9MB. Free memory was 111.6MB in the beginning and 98.6MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.08ms. Allocated memory is still 148.9MB. Free memory was 98.6MB in the beginning and 95.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.42ms. Allocated memory is still 148.9MB. Free memory was 95.7MB in the beginning and 93.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 725.77ms. Allocated memory was 148.9MB in the beginning and 182.5MB in the end (delta: 33.6MB). Free memory was 93.9MB in the beginning and 131.3MB in the end (delta: -37.4MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * CodeCheck took 13305.65ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 131.3MB in the beginning and 145.3MB in the end (delta: -14.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:36:32,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 03:36:34,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:36:34,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:36:34,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:36:34,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:36:34,987 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:36:34,988 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:36:34,989 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:36:34,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:36:34,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:36:34,990 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:36:34,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:36:34,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:36:34,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:36:34,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:36:34,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:36:34,993 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:36:34,994 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:36:34,994 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:36:34,995 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:36:34,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:36:35,001 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:36:35,001 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:36:35,002 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:36:35,002 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:36:35,002 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:36:35,003 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:36:35,003 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:36:35,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:36:35,004 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:36:35,004 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:36:35,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:36:35,005 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:36:35,005 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:36:35,005 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:36:35,006 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:36:35,006 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:36:35,006 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dfc9f1e1cbceb1807370dcac22a0449d857eff9a54bdefbc84178983a910e84 [2023-12-03 03:36:35,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:36:35,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:36:35,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:36:35,307 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:36:35,307 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:36:35,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/bitvector/byte_add-1.i [2023-12-03 03:36:38,018 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:36:38,204 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:36:38,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/sv-benchmarks/c/bitvector/byte_add-1.i [2023-12-03 03:36:38,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/data/caf7ecf4c/9486d13004e64a3c833c3e2b856f3ee3/FLAGcad5fa998 [2023-12-03 03:36:38,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/data/caf7ecf4c/9486d13004e64a3c833c3e2b856f3ee3 [2023-12-03 03:36:38,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:36:38,228 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:36:38,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:36:38,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:36:38,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:36:38,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:36:38" (1/1) ... [2023-12-03 03:36:38,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e0c6088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:38, skipping insertion in model container [2023-12-03 03:36:38,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:36:38" (1/1) ... [2023-12-03 03:36:38,259 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:36:38,385 WARN L240 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_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/sv-benchmarks/c/bitvector/byte_add-1.i[1166,1179] [2023-12-03 03:36:38,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:36:38,437 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:36:38,448 WARN L240 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_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/sv-benchmarks/c/bitvector/byte_add-1.i[1166,1179] [2023-12-03 03:36:38,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:36:38,484 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:36:38,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:38 WrapperNode [2023-12-03 03:36:38,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:36:38,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:36:38,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:36:38,486 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:36:38,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:38" (1/1) ... [2023-12-03 03:36:38,500 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:38" (1/1) ... [2023-12-03 03:36:38,525 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 125 [2023-12-03 03:36:38,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:36:38,527 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:36:38,527 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:36:38,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:36:38,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:38" (1/1) ... [2023-12-03 03:36:38,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:38" (1/1) ... [2023-12-03 03:36:38,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:38" (1/1) ... [2023-12-03 03:36:38,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:38" (1/1) ... [2023-12-03 03:36:38,545 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:38" (1/1) ... [2023-12-03 03:36:38,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:38" (1/1) ... [2023-12-03 03:36:38,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:38" (1/1) ... [2023-12-03 03:36:38,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:38" (1/1) ... [2023-12-03 03:36:38,556 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:36:38,557 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:36:38,557 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:36:38,558 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:36:38,559 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:36:38" (1/1) ... [2023-12-03 03:36:38,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:36:38,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:36:38,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:36:38,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:36:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:36:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:36:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:36:38,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:36:38,727 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:36:38,730 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:36:38,968 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:36:39,228 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:36:39,228 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 03:36:39,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:36:39 BoogieIcfgContainer [2023-12-03 03:36:39,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:36:39,231 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:36:39,231 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:36:39,240 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:36:39,241 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:36:39" (1/1) ... [2023-12-03 03:36:39,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:36:39,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:39,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 03:36:39,302 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 03:36:39,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:36:39,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:39,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:36:39,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:36:39,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:36:39,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:36:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:39,402 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:36:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:39,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:36:39,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:36:39,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:39,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:36:39,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:39,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-12-03 03:36:39,524 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-12-03 03:36:39,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:36:39,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:39,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:36:39,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:36:39,528 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:36:39,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:36:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:39,640 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:36:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:39,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:36:39,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:36:39,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:39,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:36:39,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:39,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-12-03 03:36:39,796 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-12-03 03:36:39,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:36:39,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:39,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:36:39,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:36:39,798 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:36:39,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:36:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:39,911 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:36:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:39,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:36:39,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:36:39,973 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:39,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 03:36:39,976 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:36:40,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:40,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2023-12-03 03:36:40,076 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2023-12-03 03:36:40,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:36:40,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:40,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:36:40,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:36:40,078 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:36:40,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:36:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:40,223 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:36:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:40,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:36:40,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:36:40,306 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:40,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:36:40,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:40,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2023-12-03 03:36:40,418 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2023-12-03 03:36:40,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:36:40,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:40,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:36:40,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:36:40,420 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:36:40,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:36:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:36:40,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:36:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:36:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:36:40,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:36:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:36:40,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 03:36:40,963 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2023-12-03 03:36:41,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:36:41 ImpRootNode [2023-12-03 03:36:41,003 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:36:41,003 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:36:41,004 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:36:41,004 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:36:41,004 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:36:39" (3/4) ... [2023-12-03 03:36:41,005 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-03 03:36:41,075 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:36:41,075 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:36:41,076 INFO L158 Benchmark]: Toolchain (without parser) took 2848.24ms. Allocated memory is still 119.5MB. Free memory was 95.7MB in the beginning and 69.4MB in the end (delta: 26.3MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-12-03 03:36:41,076 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:36:41,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.72ms. Allocated memory is still 119.5MB. Free memory was 95.7MB in the beginning and 82.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:36:41,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.56ms. Allocated memory is still 119.5MB. Free memory was 82.7MB in the beginning and 80.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:36:41,077 INFO L158 Benchmark]: Boogie Preprocessor took 29.79ms. Allocated memory is still 119.5MB. Free memory was 80.7MB in the beginning and 79.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:36:41,078 INFO L158 Benchmark]: RCFGBuilder took 672.76ms. Allocated memory is still 119.5MB. Free memory was 79.0MB in the beginning and 69.6MB in the end (delta: 9.5MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2023-12-03 03:36:41,078 INFO L158 Benchmark]: CodeCheck took 1772.15ms. Allocated memory is still 119.5MB. Free memory was 69.6MB in the beginning and 73.6MB in the end (delta: -4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:36:41,079 INFO L158 Benchmark]: Witness Printer took 72.05ms. Allocated memory is still 119.5MB. Free memory was 73.6MB in the beginning and 69.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:36:41,080 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: 1.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 54 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 12 mSDtfsCounter, 115 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 224 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 0 NumberOfNonLiveVariables, 198 ConjunctsInSsa, 14 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 - 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 FALSE !(b3 == (unsigned char)0) [L78] carry = (unsigned short)0 [L79] i = (unsigned char)0 VAL [\old(a)=30277, \old(b)=83790359, a0=69, a1=118, a2=0, a3=0, a=30277, b0=23, b1=-118, b2=-2, b3=4, b=83790359, carry=0, i=0, na=2, nb=4] [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 FALSE !(partial_sum > ((unsigned char)254)) [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 [\old(a)=30277, \old(b)=83790359, a0=69, a1=118, a2=0, a3=0, a=30277, b0=23, b1=-118, b2=-2, b3=4, b=83790359, carry=0, i=1, na=2, nb=4, partial_sum=92, r0=92, r1=1, r2=2, r3=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 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 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 [\old(a)=30277, \old(b)=83790359, a0=69, a1=118, a2=0, a3=0, a=30277, b0=23, b1=-118, b2=-2, b3=4, b=83790359, carry=1, i=2, na=2, nb=4, partial_sum=0, r0=92, r1=0, r2=2, r3=1] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 [L83] COND FALSE !(i < na) [L89] COND TRUE i < nb [L90] COND FALSE !(i == (unsigned char)0) [L91] COND FALSE !(i == (unsigned char)1) [L92] COND TRUE i == (unsigned char)2 [L92] partial_sum = partial_sum + b2 [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 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 [\old(a)=30277, \old(b)=83790359, a0=69, a1=118, a2=0, a3=0, a=30277, b0=23, b1=-118, b2=-2, b3=4, b=83790359, carry=1, i=3, na=2, nb=4, partial_sum=255, r0=92, r1=0, r2=-1, r3=1] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 [L83] COND FALSE !(i < na) [L89] COND TRUE i < nb [L90] COND FALSE !(i == (unsigned char)0) [L91] COND FALSE !(i == (unsigned char)1) [L92] COND FALSE !(i == (unsigned char)2) [L93] COND TRUE i == (unsigned char)3 [L93] partial_sum = partial_sum + b3 [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 [\old(a)=30277, \old(b)=83790359, a0=69, a1=118, a2=0, a3=0, a=30277, b0=23, b1=-118, b2=-2, b3=4, b=83790359, carry=0, i=4, na=2, nb=4, partial_sum=5, r0=92, r1=0, r2=-1, r3=5] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [\old(a)=30277, \old(b)=83790359, a0=69, a1=118, a2=0, a3=0, a=30277, b0=23, b1=-118, b2=-2, b3=4, b=83790359, carry=0, i=4, na=2, nb=4, partial_sum=5, r0=92, r1=0, r2=-1, r3=5] [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) VAL [\old(cond)=0, cond=0] [L25] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.72ms. Allocated memory is still 119.5MB. Free memory was 95.7MB in the beginning and 82.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.56ms. Allocated memory is still 119.5MB. Free memory was 82.7MB in the beginning and 80.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.79ms. Allocated memory is still 119.5MB. Free memory was 80.7MB in the beginning and 79.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 672.76ms. Allocated memory is still 119.5MB. Free memory was 79.0MB in the beginning and 69.6MB in the end (delta: 9.5MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * CodeCheck took 1772.15ms. Allocated memory is still 119.5MB. Free memory was 69.6MB in the beginning and 73.6MB in the end (delta: -4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 72.05ms. Allocated memory is still 119.5MB. Free memory was 73.6MB in the beginning and 69.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-12-03 03:36:41,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d2d461-e8ed-46cb-b1b8-0b8acdb42b1f/bin/ukojak-verify-Qdu7aM0XO9/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