./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL --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 64bit --witnessprinter.graph.data.programhash 722f66c27e0daab44069acf5d7094f3a7f8b832453955e57154e2bc2fe9dd95b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:23:01,896 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:23:01,971 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 03:23:01,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:23:01,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:23:02,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:23:02,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:23:02,004 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:23:02,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:23:02,005 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:23:02,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:23:02,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:23:02,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:23:02,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:23:02,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:23:02,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:23:02,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:23:02,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:23:02,011 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:23:02,011 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:23:02,012 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:23:02,013 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:23:02,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:23:02,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:02,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:23:02,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:23:02,015 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:23:02,016 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:23:02,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:23:02,017 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:23:02,017 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_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 722f66c27e0daab44069acf5d7094f3a7f8b832453955e57154e2bc2fe9dd95b [2023-11-19 03:23:02,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:23:02,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:23:02,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:23:02,336 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:23:02,337 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:23:02,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c [2023-11-19 03:23:05,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:23:05,763 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:23:05,773 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c [2023-11-19 03:23:05,786 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/data/8109c1e93/cc5ca6517cdd4059ad032cfb664a2184/FLAG70b712a99 [2023-11-19 03:23:05,800 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/data/8109c1e93/cc5ca6517cdd4059ad032cfb664a2184 [2023-11-19 03:23:05,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:23:05,803 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:23:05,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:05,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:23:05,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:23:05,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:05" (1/1) ... [2023-11-19 03:23:05,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ca33ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:05, skipping insertion in model container [2023-11-19 03:23:05,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:05" (1/1) ... [2023-11-19 03:23:05,853 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:23:06,014 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_61f31cae-55d3-47b0-988b-21effeb355c5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c[1245,1258] [2023-11-19 03:23:06,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:06,105 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:23:06,118 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_61f31cae-55d3-47b0-988b-21effeb355c5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c[1245,1258] [2023-11-19 03:23:06,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:06,180 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:23:06,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:06 WrapperNode [2023-11-19 03:23:06,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:06,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:06,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:23:06,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:23:06,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:06" (1/1) ... [2023-11-19 03:23:06,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:06" (1/1) ... [2023-11-19 03:23:06,294 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 412 [2023-11-19 03:23:06,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:06,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:23:06,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:23:06,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:23:06,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:06" (1/1) ... [2023-11-19 03:23:06,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:06" (1/1) ... [2023-11-19 03:23:06,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:06" (1/1) ... [2023-11-19 03:23:06,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:06" (1/1) ... [2023-11-19 03:23:06,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:06" (1/1) ... [2023-11-19 03:23:06,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:06" (1/1) ... [2023-11-19 03:23:06,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:06" (1/1) ... [2023-11-19 03:23:06,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:06" (1/1) ... [2023-11-19 03:23:06,406 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:23:06,407 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:23:06,407 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:23:06,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:23:06,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:06" (1/1) ... [2023-11-19 03:23:06,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:06,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:23:06,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:23:06,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:23:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:23:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:23:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:23:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:23:06,662 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:23:06,664 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:23:07,380 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:23:08,056 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:23:08,056 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:23:08,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:08 BoogieIcfgContainer [2023-11-19 03:23:08,066 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:23:08,067 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:23:08,067 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:23:08,078 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:23:08,079 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:08" (1/1) ... [2023-11-19 03:23:08,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:23:08,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:08,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:23:08,161 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:23:08,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:23:08,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:08,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:08,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:23:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:09,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:23:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:10,273 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:23:10,313 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 03:23:10,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:23:10 ImpRootNode [2023-11-19 03:23:10,322 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:23:10,323 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:23:10,323 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:23:10,323 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:23:10,324 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:08" (3/4) ... [2023-11-19 03:23:10,329 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:23:10,331 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:23:10,332 INFO L158 Benchmark]: Toolchain (without parser) took 4528.19ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 99.6MB in the beginning and 92.3MB in the end (delta: 7.3MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2023-11-19 03:23:10,333 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 146.8MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:10,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.50ms. Allocated memory is still 146.8MB. Free memory was 99.2MB in the beginning and 83.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:23:10,335 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.84ms. Allocated memory is still 146.8MB. Free memory was 83.6MB in the beginning and 75.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:23:10,336 INFO L158 Benchmark]: Boogie Preprocessor took 111.50ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 75.2MB in the beginning and 172.8MB in the end (delta: -97.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:23:10,338 INFO L158 Benchmark]: RCFGBuilder took 1658.66ms. Allocated memory is still 207.6MB. Free memory was 172.7MB in the beginning and 102.6MB in the end (delta: 70.1MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2023-11-19 03:23:10,340 INFO L158 Benchmark]: CodeCheck took 2254.90ms. Allocated memory is still 207.6MB. Free memory was 102.6MB in the beginning and 92.3MB in the end (delta: 10.2MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-11-19 03:23:10,340 INFO L158 Benchmark]: Witness Printer took 8.07ms. Allocated memory is still 207.6MB. Free memory was 92.3MB in the beginning and 92.3MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:10,347 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 21]: 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 97, overapproximation of bitwiseAnd at line 66. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 3); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (3 - 1); [L32] const SORT_27 mask_SORT_27 = (SORT_27)-1 >> (sizeof(SORT_27) * 8 - 2); [L33] const SORT_27 msb_SORT_27 = (SORT_27)1 << (2 - 1); [L35] const SORT_1 var_11 = 0; [L36] const SORT_5 var_15 = 0; [L37] const SORT_5 var_21 = 2; [L38] const SORT_5 var_24 = 1; [L39] const SORT_1 var_41 = 1; [L41] SORT_1 input_2; [L42] SORT_1 input_3; [L43] SORT_1 input_4; [L44] SORT_5 input_6; [L45] SORT_5 input_7; [L46] SORT_1 input_8; [L47] SORT_5 input_9; [L48] SORT_5 input_10; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L50] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L51] SORT_5 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L52] SORT_1 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L53] SORT_5 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L55] SORT_1 init_13_arg_1 = var_11; [L56] state_12 = init_13_arg_1 [L57] SORT_5 init_17_arg_1 = var_15; [L58] state_16 = init_17_arg_1 [L59] SORT_1 init_19_arg_1 = var_11; [L60] state_18 = init_19_arg_1 [L61] SORT_5 init_31_arg_1 = var_15; [L62] state_30 = init_31_arg_1 VAL [init_13_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_31_arg_1=0, mask_SORT_1=1, mask_SORT_27=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_27=2, msb_SORT_5=4, state_12=0, state_16=0, state_18=0, state_30=0, var_11=0, var_15=0, var_21=2, var_24=1, var_41=1] [L65] input_2 = __VERIFIER_nondet_uchar() [L66] EXPR input_2 & mask_SORT_1 [L66] input_2 = input_2 & mask_SORT_1 [L67] input_3 = __VERIFIER_nondet_uchar() [L68] EXPR input_3 & mask_SORT_1 [L68] input_3 = input_3 & mask_SORT_1 [L69] input_4 = __VERIFIER_nondet_uchar() [L70] input_6 = __VERIFIER_nondet_uchar() [L71] input_7 = __VERIFIER_nondet_uchar() [L72] input_8 = __VERIFIER_nondet_uchar() [L73] input_9 = __VERIFIER_nondet_uchar() [L74] input_10 = __VERIFIER_nondet_uchar() [L77] SORT_1 var_14_arg_0 = state_12; [L78] SORT_1 var_14 = ~var_14_arg_0; [L79] SORT_1 var_20_arg_0 = state_18; [L80] SORT_5 var_20_arg_1 = state_16; [L81] SORT_5 var_20_arg_2 = input_7; [L82] SORT_5 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L83] EXPR var_20 & mask_SORT_5 [L83] var_20 = var_20 & mask_SORT_5 [L84] SORT_5 var_25_arg_0 = var_20; [L85] SORT_5 var_25_arg_1 = var_24; [L86] SORT_1 var_25 = var_25_arg_0 == var_25_arg_1; [L87] SORT_1 var_26_arg_0 = var_25; [L88] SORT_1 var_26 = ~var_26_arg_0; [L89] SORT_5 var_22_arg_0 = var_20; [L90] SORT_5 var_22_arg_1 = var_21; [L91] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L92] SORT_1 var_23_arg_0 = var_22; [L93] SORT_1 var_23 = ~var_23_arg_0; [L94] EXPR var_23 & mask_SORT_1 [L94] var_23 = var_23 & mask_SORT_1 [L95] SORT_1 var_28_arg_0 = var_26; [L96] SORT_1 var_28_arg_1 = var_23; [L97] EXPR ((SORT_27)var_28_arg_0 << 1) | var_28_arg_1 [L97] SORT_27 var_28 = ((SORT_27)var_28_arg_0 << 1) | var_28_arg_1; [L98] EXPR var_28 & mask_SORT_27 [L98] var_28 = var_28 & mask_SORT_27 [L99] SORT_27 var_29_arg_0 = var_28; [L100] SORT_1 var_29 = var_29_arg_0 == mask_SORT_27; [L101] SORT_1 var_32_arg_0 = state_18; [L102] SORT_5 var_32_arg_1 = state_30; [L103] SORT_5 var_32_arg_2 = input_7; [L104] SORT_5 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L105] EXPR var_32 & mask_SORT_5 [L105] var_32 = var_32 & mask_SORT_5 [L106] SORT_5 var_33_arg_0 = var_32; [L107] SORT_5 var_33_arg_1 = var_21; [L108] SORT_1 var_33 = var_33_arg_0 == var_33_arg_1; [L109] SORT_1 var_34_arg_0 = var_33; [L110] SORT_1 var_34 = ~var_34_arg_0; [L111] EXPR var_34 & mask_SORT_1 [L111] var_34 = var_34 & mask_SORT_1 [L112] SORT_1 var_35_arg_0 = var_26; [L113] SORT_1 var_35_arg_1 = var_34; [L114] EXPR ((SORT_27)var_35_arg_0 << 1) | var_35_arg_1 [L114] SORT_27 var_35 = ((SORT_27)var_35_arg_0 << 1) | var_35_arg_1; [L115] EXPR var_35 & mask_SORT_27 [L115] var_35 = var_35 & mask_SORT_27 [L116] SORT_27 var_36_arg_0 = var_35; [L117] SORT_1 var_36 = var_36_arg_0 == mask_SORT_27; [L118] SORT_1 var_37_arg_0 = var_29; [L119] SORT_1 var_37_arg_1 = var_36; [L120] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L121] SORT_1 var_38_arg_0 = var_14; [L122] SORT_1 var_38_arg_1 = var_37; [L123] EXPR var_38_arg_0 | var_38_arg_1 [L123] SORT_1 var_38 = var_38_arg_0 | var_38_arg_1; [L124] SORT_1 var_42_arg_0 = var_38; [L125] SORT_1 var_42 = ~var_42_arg_0; [L126] SORT_1 var_43_arg_0 = var_41; [L127] SORT_1 var_43_arg_1 = var_42; [L128] EXPR var_43_arg_0 & var_43_arg_1 [L128] SORT_1 var_43 = var_43_arg_0 & var_43_arg_1; [L129] EXPR var_43 & mask_SORT_1 [L129] var_43 = var_43 & mask_SORT_1 [L130] SORT_1 bad_44_arg_0 = var_43; [L131] CALL __VERIFIER_assert(!(bad_44_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 146.8MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.50ms. Allocated memory is still 146.8MB. Free memory was 99.2MB in the beginning and 83.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.84ms. Allocated memory is still 146.8MB. Free memory was 83.6MB in the beginning and 75.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.50ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 75.2MB in the beginning and 172.8MB in the end (delta: -97.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1658.66ms. Allocated memory is still 207.6MB. Free memory was 172.7MB in the beginning and 102.6MB in the end (delta: 70.1MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. * CodeCheck took 2254.90ms. Allocated memory is still 207.6MB. Free memory was 102.6MB in the beginning and 92.3MB in the end (delta: 10.2MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Witness Printer took 8.07ms. Allocated memory is still 207.6MB. Free memory was 92.3MB in the beginning and 92.3MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:23:10,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL --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 64bit --witnessprinter.graph.data.programhash 722f66c27e0daab44069acf5d7094f3a7f8b832453955e57154e2bc2fe9dd95b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:23:13,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:23:13,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-19 03:23:13,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:23:13,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:23:13,189 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:23:13,190 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:23:13,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:23:13,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:23:13,197 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:23:13,198 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:23:13,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:23:13,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:23:13,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:23:13,201 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:23:13,201 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:23:13,202 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:23:13,202 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:23:13,203 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:23:13,204 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:23:13,205 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:23:13,205 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:23:13,206 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:13,206 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:23:13,207 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:23:13,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:13,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:23:13,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:23:13,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:23:13,209 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:23:13,211 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:13,211 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:23:13,211 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:23:13,212 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:23:13,212 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_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 722f66c27e0daab44069acf5d7094f3a7f8b832453955e57154e2bc2fe9dd95b [2023-11-19 03:23:13,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:23:13,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:23:13,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:23:13,628 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:23:13,629 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:23:13,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c [2023-11-19 03:23:16,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:23:17,210 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:23:17,211 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c [2023-11-19 03:23:17,225 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/data/582d86261/16164091919a4ac39ff446db4c27e679/FLAG5354f5dbc [2023-11-19 03:23:17,243 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/data/582d86261/16164091919a4ac39ff446db4c27e679 [2023-11-19 03:23:17,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:23:17,248 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:23:17,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:17,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:23:17,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:23:17,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:17" (1/1) ... [2023-11-19 03:23:17,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ea49de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:17, skipping insertion in model container [2023-11-19 03:23:17,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:17" (1/1) ... [2023-11-19 03:23:17,316 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:23:17,520 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_61f31cae-55d3-47b0-988b-21effeb355c5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c[1245,1258] [2023-11-19 03:23:17,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:17,647 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:23:17,697 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_61f31cae-55d3-47b0-988b-21effeb355c5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c[1245,1258] [2023-11-19 03:23:17,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:17,767 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:23:17,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:17 WrapperNode [2023-11-19 03:23:17,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:17,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:17,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:23:17,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:23:17,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:17" (1/1) ... [2023-11-19 03:23:17,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:17" (1/1) ... [2023-11-19 03:23:17,853 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 212 [2023-11-19 03:23:17,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:17,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:23:17,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:23:17,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:23:17,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:17" (1/1) ... [2023-11-19 03:23:17,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:17" (1/1) ... [2023-11-19 03:23:17,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:17" (1/1) ... [2023-11-19 03:23:17,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:17" (1/1) ... [2023-11-19 03:23:17,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:17" (1/1) ... [2023-11-19 03:23:17,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:17" (1/1) ... [2023-11-19 03:23:17,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:17" (1/1) ... [2023-11-19 03:23:17,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:17" (1/1) ... [2023-11-19 03:23:17,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:23:17,911 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:23:17,911 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:23:17,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:23:17,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:17" (1/1) ... [2023-11-19 03:23:17,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:17,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:23:17,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:23:17,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:23:17,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:23:17,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:23:17,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:23:17,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:23:18,125 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:23:18,128 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:23:18,419 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:23:18,459 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:23:18,459 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:23:18,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:18 BoogieIcfgContainer [2023-11-19 03:23:18,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:23:18,465 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:23:18,465 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:23:18,475 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:23:18,475 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:18" (1/1) ... [2023-11-19 03:23:18,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:23:18,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:18,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:23:18,535 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:23:18,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:23:18,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:18,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:18,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:18,541 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:18,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:23:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:18,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:18,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:23:18,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:19,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:19,093 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:23:19,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:23:19,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:19,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-19 03:23:19,183 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-19 03:23:19,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:23:19,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:19,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:19,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:19,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:19,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:23:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:19,411 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:19,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-19 03:23:19,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:20,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:20,538 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:23:20,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 03:23:21,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:21,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-19 03:23:21,165 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-19 03:23:21,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:23:21,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:21,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:21,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:21,167 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:21,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:23:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:21,501 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:21,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 121 conjunts are in the unsatisfiable core [2023-11-19 03:23:21,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:24,059 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:24,062 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:23:24,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:23:25,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:25,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2023-11-19 03:23:25,961 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2023-11-19 03:23:25,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:23:25,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:25,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:25,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:25,967 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:25,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 03:23:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:26,345 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:26,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 155 conjunts are in the unsatisfiable core [2023-11-19 03:23:26,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:31,313 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:23:31,317 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:23:31,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 03:23:37,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:37,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-19 03:23:37,468 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-19 03:23:37,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:23:37,469 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-19 03:23:37,478 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:23:37,666 INFO L560 CodeCheckObserver]: Invariant with dag size 48 [2023-11-19 03:23:37,684 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_50_arg_1~0#1 : bv8 :: ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_50_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_16~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_50_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_30~0) could not be translated [2023-11-19 03:23:37,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:23:37 ImpRootNode [2023-11-19 03:23:37,689 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:23:37,689 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:23:37,690 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:23:37,690 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:23:37,690 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:18" (3/4) ... [2023-11-19 03:23:37,692 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:23:37,702 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-19 03:23:37,702 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-19 03:23:37,703 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 03:23:37,704 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:23:37,704 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:23:37,823 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:23:37,824 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:23:37,824 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:23:37,825 INFO L158 Benchmark]: Toolchain (without parser) took 20577.08ms. Allocated memory was 71.3MB in the beginning and 343.9MB in the end (delta: 272.6MB). Free memory was 41.3MB in the beginning and 256.5MB in the end (delta: -215.3MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2023-11-19 03:23:37,825 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 71.3MB. Free memory was 47.9MB in the beginning and 47.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:37,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.43ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 41.1MB in the beginning and 68.7MB in the end (delta: -27.6MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-11-19 03:23:37,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.72ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 66.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:37,826 INFO L158 Benchmark]: Boogie Preprocessor took 55.74ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 64.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:37,827 INFO L158 Benchmark]: RCFGBuilder took 552.98ms. Allocated memory is still 92.3MB. Free memory was 64.1MB in the beginning and 64.6MB in the end (delta: -429.7kB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:37,827 INFO L158 Benchmark]: CodeCheck took 19224.08ms. Allocated memory was 92.3MB in the beginning and 343.9MB in the end (delta: 251.7MB). Free memory was 64.6MB in the beginning and 262.8MB in the end (delta: -198.3MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2023-11-19 03:23:37,827 INFO L158 Benchmark]: Witness Printer took 134.46ms. Allocated memory is still 343.9MB. Free memory was 262.8MB in the beginning and 256.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:23:37,830 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 266 IncrementalHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 4 mSDtfsCounter, 266 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 362 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3831 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 6 QuantifiedInterpolants, 850 SizeOfPredicates, 366 NumberOfNonLiveVariables, 1040 ConjunctsInSsa, 353 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 8/24 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 - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: ((((((((((((1 == mask_SORT_1) && (mask_SORT_27 == 3)) && (1 == state_12)) && (7 == mask_SORT_5)) && (1 == var_41)) && (0 == state_18)) && (1 == var_24)) && (2 == var_21)) && (var_15 == 0)) && (var_11 == 0)) || ((((((((((1 == mask_SORT_1) && (mask_SORT_27 == 3)) && (1 == state_12)) && (1 == state_18)) && (7 == mask_SORT_5)) && (1 == var_41)) && (1 == var_24)) && (2 == var_21)) && (var_15 == 0)) && (var_11 == 0))) || (((((((((1 == mask_SORT_1) && (mask_SORT_27 == 3)) && (7 == mask_SORT_5)) && (1 == var_41)) && (0 == state_12)) && (1 == var_24)) && (2 == var_21)) && (var_15 == 0)) && (var_11 == 0))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 71.3MB. Free memory was 47.9MB in the beginning and 47.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 513.43ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 41.1MB in the beginning and 68.7MB in the end (delta: -27.6MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.72ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 66.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.74ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 64.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 552.98ms. Allocated memory is still 92.3MB. Free memory was 64.1MB in the beginning and 64.6MB in the end (delta: -429.7kB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 19224.08ms. Allocated memory was 92.3MB in the beginning and 343.9MB in the end (delta: 251.7MB). Free memory was 64.6MB in the beginning and 262.8MB in the end (delta: -198.3MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. * Witness Printer took 134.46ms. Allocated memory is still 343.9MB. Free memory was 262.8MB in the beginning and 256.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_50_arg_1~0#1 : bv8 :: ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_50_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_16~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_50_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_30~0) could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 03:23:37,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f31cae-55d3-47b0-988b-21effeb355c5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE