./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3 --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 53e6dbff486f18c9e67859c6aafc8c76e31b5ebe4bc4a2fff6ca8706de37c876 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:28:01,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:28:01,491 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 02:28:01,496 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:28:01,496 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:28:01,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:28:01,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:28:01,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:28:01,533 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:28:01,533 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:28:01,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:28:01,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:28:01,535 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:28:01,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:28:01,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:28:01,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:28:01,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:28:01,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:28:01,535 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:28:01,535 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:28:01,536 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:28:01,536 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:28:01,536 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:28:01,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:28:01,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:28:01,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:28:01,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:28:01,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:28:01,538 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:28:01,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:28:01,539 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> 53e6dbff486f18c9e67859c6aafc8c76e31b5ebe4bc4a2fff6ca8706de37c876 [2024-11-25 02:28:01,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:28:01,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:28:01,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:28:01,876 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:28:01,876 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:28:01,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c [2024-11-25 02:28:05,049 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/data/1226c2471/810814b64165426d8d0c8980ce679e59/FLAG87777db47 [2024-11-25 02:28:05,462 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:28:05,464 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c [2024-11-25 02:28:05,477 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/data/1226c2471/810814b64165426d8d0c8980ce679e59/FLAG87777db47 [2024-11-25 02:28:05,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/data/1226c2471/810814b64165426d8d0c8980ce679e59 [2024-11-25 02:28:05,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:28:05,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:28:05,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:28:05,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:28:05,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:28:05,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:28:05" (1/1) ... [2024-11-25 02:28:05,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@558883a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:05, skipping insertion in model container [2024-11-25 02:28:05,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:28:05" (1/1) ... [2024-11-25 02:28:05,715 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:28:05,935 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c[1248,1261] [2024-11-25 02:28:06,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:28:06,085 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:28:06,101 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c[1248,1261] [2024-11-25 02:28:06,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:28:06,196 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:28:06,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:06 WrapperNode [2024-11-25 02:28:06,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:28:06,198 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:28:06,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:28:06,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:28:06,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:06" (1/1) ... [2024-11-25 02:28:06,223 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:06" (1/1) ... [2024-11-25 02:28:06,310 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 393 [2024-11-25 02:28:06,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:28:06,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:28:06,311 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:28:06,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:28:06,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:06" (1/1) ... [2024-11-25 02:28:06,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:06" (1/1) ... [2024-11-25 02:28:06,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:06" (1/1) ... [2024-11-25 02:28:06,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:06" (1/1) ... [2024-11-25 02:28:06,354 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:06" (1/1) ... [2024-11-25 02:28:06,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:06" (1/1) ... [2024-11-25 02:28:06,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:06" (1/1) ... [2024-11-25 02:28:06,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:06" (1/1) ... [2024-11-25 02:28:06,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:06" (1/1) ... [2024-11-25 02:28:06,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:28:06,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:28:06,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:28:06,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:28:06,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:06" (1/1) ... [2024-11-25 02:28:06,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:28:06,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:28:06,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:28:06,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:28:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:28:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:28:06,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:28:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:28:06,609 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:28:06,612 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:28:07,728 INFO L? ?]: Removed 208 outVars from TransFormulas that were not future-live. [2024-11-25 02:28:07,729 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:28:08,522 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:28:08,522 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:28:08,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:28:08 BoogieIcfgContainer [2024-11-25 02:28:08,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:28:08,524 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:28:08,524 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:28:08,537 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:28:08,538 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:28:08" (1/1) ... [2024-11-25 02:28:08,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:28:08,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:08,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:28:08,615 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:28:08,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:28:08,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:08,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:28:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:28:08,936 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:28:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:28:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:28:09,532 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:28:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:28:09,864 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:28:09,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:28:09 ImpRootNode [2024-11-25 02:28:09,903 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:28:09,905 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:28:09,905 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:28:09,905 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:28:09,906 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:28:08" (3/4) ... [2024-11-25 02:28:09,909 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:28:09,910 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:28:09,913 INFO L158 Benchmark]: Toolchain (without parser) took 4244.46ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 92.4MB in the beginning and 115.8MB in the end (delta: -23.4MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-11-25 02:28:09,915 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:09,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.92ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 76.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:28:09,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.99ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 67.9MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:28:09,917 INFO L158 Benchmark]: Boogie Preprocessor took 66.42ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 64.6MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:09,917 INFO L158 Benchmark]: RCFGBuilder took 2144.93ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 64.6MB in the beginning and 70.4MB in the end (delta: -5.8MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-11-25 02:28:09,917 INFO L158 Benchmark]: CodeCheck took 1379.18ms. Allocated memory is still 159.4MB. Free memory was 70.4MB in the beginning and 117.1MB in the end (delta: -46.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:09,918 INFO L158 Benchmark]: Witness Printer took 6.74ms. Allocated memory is still 159.4MB. Free memory was 117.1MB in the beginning and 115.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:09,923 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, 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: 0.1s SsaConstructionTime, 0.3s 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, ConComCheckerStatistics: 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 85, overapproximation of bitwiseAnd at line 46, overapproximation of bitwiseAnd at line 72. 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_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 32); [L30] const SORT_8 msb_SORT_8 = (SORT_8)1 << (32 - 1); [L32] const SORT_1 var_5 = 0; [L33] const SORT_8 var_10 = 0; [L34] const SORT_1 var_19 = 1; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L39] SORT_1 input_34; [L40] SORT_1 input_37; [L41] SORT_1 input_41; [L42] SORT_1 input_50; [L43] SORT_1 input_53; [L44] SORT_1 input_57; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L46] SORT_1 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L47] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L48] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L49] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L50] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] SORT_1 init_7_arg_1 = var_5; [L53] state_6 = init_7_arg_1 [L54] SORT_1 init_13_arg_1 = var_5; [L55] state_12 = init_13_arg_1 [L56] SORT_1 init_27_arg_1 = var_5; [L57] state_26 = init_27_arg_1 VAL [mask_SORT_1=1, state_12=0, state_24=1, state_25=1, state_26=0, state_6=0, var_10=0, var_19=1, var_5=0] [L60] input_2 = __VERIFIER_nondet_uchar() [L61] input_3 = __VERIFIER_nondet_uchar() [L62] input_4 = __VERIFIER_nondet_uchar() [L63] input_34 = __VERIFIER_nondet_uchar() [L64] input_37 = __VERIFIER_nondet_uchar() [L65] input_41 = __VERIFIER_nondet_uchar() [L66] input_50 = __VERIFIER_nondet_uchar() [L67] input_53 = __VERIFIER_nondet_uchar() [L68] input_57 = __VERIFIER_nondet_uchar() [L71] SORT_1 var_9_arg_0 = state_6; [L72] EXPR var_9_arg_0 & mask_SORT_1 [L72] var_9_arg_0 = var_9_arg_0 & mask_SORT_1 [L73] SORT_8 var_9 = var_9_arg_0; [L74] SORT_8 var_11_arg_0 = var_9; [L75] SORT_8 var_11_arg_1 = var_10; [L76] SORT_1 var_11 = var_11_arg_0 == var_11_arg_1; [L77] SORT_1 var_14_arg_0 = state_12; [L78] EXPR var_14_arg_0 & mask_SORT_1 [L78] var_14_arg_0 = var_14_arg_0 & mask_SORT_1 [L79] SORT_8 var_14 = var_14_arg_0; [L80] SORT_8 var_15_arg_0 = var_14; [L81] SORT_8 var_15_arg_1 = var_10; [L82] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L83] SORT_1 var_16_arg_0 = var_11; [L84] SORT_1 var_16_arg_1 = var_15; [L85] EXPR var_16_arg_0 | var_16_arg_1 [L85] SORT_1 var_16 = var_16_arg_0 | var_16_arg_1; [L86] SORT_1 var_20_arg_0 = var_16; [L87] SORT_1 var_20 = ~var_20_arg_0; [L88] SORT_1 var_21_arg_0 = var_19; [L89] SORT_1 var_21_arg_1 = var_20; [L90] EXPR var_21_arg_0 & var_21_arg_1 [L90] SORT_1 var_21 = var_21_arg_0 & var_21_arg_1; [L91] EXPR var_21 & mask_SORT_1 [L91] var_21 = var_21 & mask_SORT_1 [L92] SORT_1 bad_22_arg_0 = var_21; [L93] CALL __VERIFIER_assert(!(bad_22_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 525.92ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 76.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.99ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 67.9MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.42ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 64.6MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2144.93ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 64.6MB in the beginning and 70.4MB in the end (delta: -5.8MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. * CodeCheck took 1379.18ms. Allocated memory is still 159.4MB. Free memory was 70.4MB in the beginning and 117.1MB in the end (delta: -46.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.74ms. Allocated memory is still 159.4MB. Free memory was 117.1MB in the beginning and 115.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:28:09,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3 --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 53e6dbff486f18c9e67859c6aafc8c76e31b5ebe4bc4a2fff6ca8706de37c876 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:28:13,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:28:13,198 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 02:28:13,228 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:28:13,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:28:13,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:28:13,230 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:28:13,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:28:13,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:28:13,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:28:13,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:28:13,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:28:13,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:28:13,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:28:13,231 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:28:13,231 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:28:13,231 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:28:13,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:28:13,232 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:28:13,232 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:28:13,233 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:28:13,233 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:28:13,233 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:28:13,233 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:28:13,233 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:28:13,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:28:13,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:28:13,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:28:13,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:28:13,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:28:13,234 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:28:13,234 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:28:13,234 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:28:13,234 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> 53e6dbff486f18c9e67859c6aafc8c76e31b5ebe4bc4a2fff6ca8706de37c876 [2024-11-25 02:28:13,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:28:13,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:28:13,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:28:13,612 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:28:13,616 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:28:13,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c [2024-11-25 02:28:16,839 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/data/123f17391/297183e0677242d792df395a53cb05f9/FLAG39cfd0ea5 [2024-11-25 02:28:17,200 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:28:17,200 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c [2024-11-25 02:28:17,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/data/123f17391/297183e0677242d792df395a53cb05f9/FLAG39cfd0ea5 [2024-11-25 02:28:17,417 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/data/123f17391/297183e0677242d792df395a53cb05f9 [2024-11-25 02:28:17,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:28:17,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:28:17,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:28:17,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:28:17,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:28:17,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:28:17" (1/1) ... [2024-11-25 02:28:17,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2da5d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:17, skipping insertion in model container [2024-11-25 02:28:17,438 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:28:17" (1/1) ... [2024-11-25 02:28:17,465 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:28:17,623 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c[1248,1261] [2024-11-25 02:28:17,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:28:17,703 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:28:17,714 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c[1248,1261] [2024-11-25 02:28:17,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:28:17,789 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:28:17,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:17 WrapperNode [2024-11-25 02:28:17,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:28:17,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:28:17,791 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:28:17,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:28:17,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:17" (1/1) ... [2024-11-25 02:28:17,806 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:17" (1/1) ... [2024-11-25 02:28:17,833 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 217 [2024-11-25 02:28:17,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:28:17,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:28:17,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:28:17,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:28:17,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:17" (1/1) ... [2024-11-25 02:28:17,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:17" (1/1) ... [2024-11-25 02:28:17,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:17" (1/1) ... [2024-11-25 02:28:17,846 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:17" (1/1) ... [2024-11-25 02:28:17,855 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:17" (1/1) ... [2024-11-25 02:28:17,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:17" (1/1) ... [2024-11-25 02:28:17,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:17" (1/1) ... [2024-11-25 02:28:17,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:17" (1/1) ... [2024-11-25 02:28:17,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:17" (1/1) ... [2024-11-25 02:28:17,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:28:17,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:28:17,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:28:17,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:28:17,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:17" (1/1) ... [2024-11-25 02:28:17,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:28:17,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:28:17,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:28:17,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:28:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:28:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:28:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:28:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:28:18,061 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:28:18,063 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:28:18,395 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-25 02:28:18,395 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:28:18,446 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:28:18,446 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:28:18,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:28:18 BoogieIcfgContainer [2024-11-25 02:28:18,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:28:18,448 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:28:18,448 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:28:18,459 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:28:18,459 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:28:18" (1/1) ... [2024-11-25 02:28:18,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:28:18,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:18,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:28:18,521 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:28:18,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:28:18,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:18,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:28:18,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:28:18,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:28:18,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:28:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:18,776 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:28:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:18,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 02:28:18,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:28:19,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:28:19,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:28:19,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:19,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 02:28:19,258 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 02:28:19,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:28:19,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:19,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:28:19,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:28:19,262 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:28:19,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:28:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:19,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:28:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:19,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-25 02:28:19,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:28:20,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:28:20,917 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:28:20,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 02:28:21,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:21,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2024-11-25 02:28:21,540 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2024-11-25 02:28:21,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:28:21,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:21,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:28:21,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:28:21,545 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:28:21,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 02:28:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:21,879 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:28:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:21,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-25 02:28:21,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:28:24,403 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:28:24,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 02:28:26,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:26,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 16 states and 30 transitions. [2024-11-25 02:28:26,304 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 30 transitions. [2024-11-25 02:28:26,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:28:26,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:26,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:28:26,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:28:26,311 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:28:26,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 02:28:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:26,575 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:28:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:26,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-25 02:28:26,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:28:27,971 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:28:27,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-25 02:28:28,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:28,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 17 states and 30 transitions. [2024-11-25 02:28:28,184 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 30 transitions. [2024-11-25 02:28:28,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:28:28,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:28,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:28:28,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:28:28,187 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:28:28,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 02:28:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:28,505 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:28:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:28,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-25 02:28:28,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:28:30,116 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-25 02:28:30,119 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:28:30,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 02:28:30,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:30,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 9 states and 14 transitions. [2024-11-25 02:28:30,495 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 14 transitions. [2024-11-25 02:28:30,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:28:30,496 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-25 02:28:30,510 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 02:28:31,432 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-11-25 02:28:31,433 INFO L77 FloydHoareUtils]: At program point L58-1(lines 58 208) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_main_~state_12~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~state_6~0#1_15| (_ BitVec 8))) (let ((.cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |v_ULTIMATE.start_main_~state_12~0#1_15|))))) (.cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |v_ULTIMATE.start_main_~state_6~0#1_15|)))))) (and (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse0))))))))))) |ULTIMATE.start_main_~state_12~0#1|) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse1))) (_ bv1 32)))) (= |ULTIMATE.start_main_~state_6~0#1| ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse1))))))))))))))) (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~var_5~0#1|) (= (_ bv0 32) |ULTIMATE.start_main_~var_10~0#1|)) [2024-11-25 02:28:31,433 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-11-25 02:28:31,433 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~var_5~0#1|) (= (_ bv0 32) |ULTIMATE.start_main_~var_10~0#1|)) [2024-11-25 02:28:31,433 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-11-25 02:28:31,433 INFO L77 FloydHoareUtils]: At program point L21-3(line 21) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~var_5~0#1|) (= (_ bv0 32) |ULTIMATE.start_main_~var_10~0#1|)) [2024-11-25 02:28:31,434 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:28:31,440 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-25 02:28:31,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:28:31 ImpRootNode [2024-11-25 02:28:31,447 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:28:31,452 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:28:31,452 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:28:31,452 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:28:31,453 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:28:18" (3/4) ... [2024-11-25 02:28:31,455 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:28:31,471 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-25 02:28:31,471 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 02:28:31,472 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 02:28:31,472 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:28:31,559 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:28:31,559 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:28:31,559 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:28:31,560 INFO L158 Benchmark]: Toolchain (without parser) took 14137.04ms. Allocated memory was 83.9MB in the beginning and 385.9MB in the end (delta: 302.0MB). Free memory was 60.1MB in the beginning and 218.4MB in the end (delta: -158.3MB). Peak memory consumption was 143.3MB. Max. memory is 16.1GB. [2024-11-25 02:28:31,562 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory was 65.1MB in the beginning and 65.1MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:31,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.67ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 44.8MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:28:31,562 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.70ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 42.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:31,563 INFO L158 Benchmark]: Boogie Preprocessor took 34.49ms. Allocated memory is still 83.9MB. Free memory was 42.3MB in the beginning and 40.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:31,563 INFO L158 Benchmark]: RCFGBuilder took 578.22ms. Allocated memory is still 83.9MB. Free memory was 40.8MB in the beginning and 54.5MB in the end (delta: -13.7MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-25 02:28:31,563 INFO L158 Benchmark]: CodeCheck took 12998.92ms. Allocated memory was 83.9MB in the beginning and 385.9MB in the end (delta: 302.0MB). Free memory was 54.5MB in the beginning and 226.6MB in the end (delta: -172.0MB). Peak memory consumption was 130.9MB. Max. memory is 16.1GB. [2024-11-25 02:28:31,564 INFO L158 Benchmark]: Witness Printer took 107.87ms. Allocated memory is still 385.9MB. Free memory was 226.6MB in the beginning and 218.4MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:28:31,567 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: 12.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 269 IncrementalHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 5 mSDtfsCounter, 269 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 438 GetRequests, 374 SyntacticMatches, 20 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 39 ConstructedInterpolants, 3 QuantifiedInterpolants, 528 SizeOfPredicates, 30 NumberOfNonLiveVariables, 436 ConjunctsInSsa, 140 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 11/31 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 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: 58]: Loop Invariant Derived loop invariant: (((1 == mask_SORT_1) && (0 == var_5)) && (0 == var_10)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory was 65.1MB in the beginning and 65.1MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.67ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 44.8MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.70ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 42.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.49ms. Allocated memory is still 83.9MB. Free memory was 42.3MB in the beginning and 40.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 578.22ms. Allocated memory is still 83.9MB. Free memory was 40.8MB in the beginning and 54.5MB in the end (delta: -13.7MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * CodeCheck took 12998.92ms. Allocated memory was 83.9MB in the beginning and 385.9MB in the end (delta: 302.0MB). Free memory was 54.5MB in the beginning and 226.6MB in the end (delta: -172.0MB). Peak memory consumption was 130.9MB. Max. memory is 16.1GB. * Witness Printer took 107.87ms. Allocated memory is still 385.9MB. Free memory was 226.6MB in the beginning and 218.4MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression RESULT: Ultimate proved your program to be correct! [2024-11-25 02:28:31,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e15152f2-84b1-4315-b9c7-5877fef0294d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE