./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.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_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/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_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/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_e1528492-aef5-43ff-9b05-145239891b7d/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 860a86adaee5a68a8179b30e590ccdfc140c947e3c27f31baed5d0226260962e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:58:39,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:58:39,700 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 01:58:39,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:58:39,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:58:39,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:58:39,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:58:39,733 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:58:39,733 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:58:39,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:58:39,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:58:39,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:58:39,734 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:58:39,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:58:39,734 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:58:39,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:58:39,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:58:39,735 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:58:39,735 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:58:39,735 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:58:39,735 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:58:39,735 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:58:39,735 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:58:39,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:58:39,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:39,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:58:39,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:58:39,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:58:39,736 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:58:39,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:58:39,736 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_e1528492-aef5-43ff-9b05-145239891b7d/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 -> 860a86adaee5a68a8179b30e590ccdfc140c947e3c27f31baed5d0226260962e [2024-11-25 01:58:40,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:58:40,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:58:40,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:58:40,143 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:58:40,143 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:58:40,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c [2024-11-25 01:58:43,193 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/data/1c65f5890/f4605d3167f140b7b8aaa96904bf592e/FLAG9becd1345 [2024-11-25 01:58:43,500 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:58:43,501 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c [2024-11-25 01:58:43,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/data/1c65f5890/f4605d3167f140b7b8aaa96904bf592e/FLAG9becd1345 [2024-11-25 01:58:43,757 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/data/1c65f5890/f4605d3167f140b7b8aaa96904bf592e [2024-11-25 01:58:43,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:58:43,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:58:43,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:43,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:58:43,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:58:43,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:43" (1/1) ... [2024-11-25 01:58:43,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@449fb934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:43, skipping insertion in model container [2024-11-25 01:58:43,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:43" (1/1) ... [2024-11-25 01:58:43,788 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:58:43,976 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_e1528492-aef5-43ff-9b05-145239891b7d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c[1250,1263] [2024-11-25 01:58:44,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:44,051 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:58:44,063 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_e1528492-aef5-43ff-9b05-145239891b7d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c[1250,1263] [2024-11-25 01:58:44,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:44,130 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:58:44,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:44 WrapperNode [2024-11-25 01:58:44,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:44,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:44,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:58:44,133 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:58:44,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:44" (1/1) ... [2024-11-25 01:58:44,151 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:44" (1/1) ... [2024-11-25 01:58:44,188 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 150 [2024-11-25 01:58:44,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:44,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:58:44,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:58:44,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:58:44,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:44" (1/1) ... [2024-11-25 01:58:44,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:44" (1/1) ... [2024-11-25 01:58:44,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:44" (1/1) ... [2024-11-25 01:58:44,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:44" (1/1) ... [2024-11-25 01:58:44,221 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:44" (1/1) ... [2024-11-25 01:58:44,226 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:44" (1/1) ... [2024-11-25 01:58:44,233 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:44" (1/1) ... [2024-11-25 01:58:44,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:44" (1/1) ... [2024-11-25 01:58:44,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:44" (1/1) ... [2024-11-25 01:58:44,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:58:44,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:58:44,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:58:44,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:58:44,253 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:44" (1/1) ... [2024-11-25 01:58:44,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:44,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:58:44,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:58:44,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:58:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:58:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:58:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:58:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:58:44,417 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:58:44,421 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:58:44,899 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-11-25 01:58:44,900 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:58:45,203 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:58:45,203 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 01:58:45,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:45 BoogieIcfgContainer [2024-11-25 01:58:45,204 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:58:45,205 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:58:45,205 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:58:45,215 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:58:45,216 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:45" (1/1) ... [2024-11-25 01:58:45,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:58:45,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:45,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 01:58:45,273 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 01:58:45,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 01:58:45,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:45,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:45,485 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:58:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:45,696 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:58:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:45,753 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 01:58:45,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 01:58:45 ImpRootNode [2024-11-25 01:58:45,777 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 01:58:45,777 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 01:58:45,777 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 01:58:45,778 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 01:58:45,778 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:45" (3/4) ... [2024-11-25 01:58:45,781 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 01:58:45,782 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 01:58:45,784 INFO L158 Benchmark]: Toolchain (without parser) took 2021.50ms. Allocated memory is still 117.4MB. Free memory was 95.0MB in the beginning and 55.5MB in the end (delta: 39.5MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2024-11-25 01:58:45,784 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:45,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.94ms. Allocated memory is still 117.4MB. Free memory was 94.7MB in the beginning and 82.4MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:45,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.05ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 78.3MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:45,785 INFO L158 Benchmark]: Boogie Preprocessor took 58.01ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 76.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:45,786 INFO L158 Benchmark]: RCFGBuilder took 956.13ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 77.3MB in the end (delta: -742.6kB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2024-11-25 01:58:45,786 INFO L158 Benchmark]: CodeCheck took 572.09ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 56.1MB in the end (delta: 20.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 01:58:45,786 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 117.4MB. Free memory was 56.1MB in the beginning and 55.5MB in the end (delta: 589.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:45,791 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: 0.5s, 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, 0.1s 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 bitwiseAnd at line 58, overapproximation of bitwiseAnd at line 45. 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_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 3); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (3 - 1); [L32] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 32); [L33] const SORT_7 msb_SORT_7 = (SORT_7)1 << (32 - 1); [L35] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 2); [L36] const SORT_21 msb_SORT_21 = (SORT_21)1 << (2 - 1); [L38] const SORT_3 var_4 = 2; [L39] const SORT_7 var_9 = 2; [L40] const SORT_1 var_13 = 1; [L41] const SORT_3 var_17 = 6; [L43] SORT_1 input_2; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L45] SORT_3 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L46] SORT_3 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L48] SORT_3 init_6_arg_1 = var_4; [L49] state_5 = init_6_arg_1 [L50] SORT_3 init_19_arg_1 = var_17; [L51] state_18 = init_19_arg_1 VAL [mask_SORT_1=1, mask_SORT_21=3, mask_SORT_3=7, state_18=6, state_5=2, var_13=1, var_9=2] [L54] input_2 = __VERIFIER_nondet_uchar() [L57] SORT_3 var_8_arg_0 = state_5; [L58] EXPR var_8_arg_0 & mask_SORT_3 [L58] var_8_arg_0 = var_8_arg_0 & mask_SORT_3 [L59] SORT_7 var_8 = var_8_arg_0; [L60] SORT_7 var_10_arg_0 = var_8; [L61] SORT_7 var_10_arg_1 = var_9; [L62] SORT_1 var_10 = var_10_arg_0 >= var_10_arg_1; [L63] SORT_1 var_14_arg_0 = var_10; [L64] SORT_1 var_14 = ~var_14_arg_0; [L65] SORT_1 var_15_arg_0 = var_13; [L66] SORT_1 var_15_arg_1 = var_14; [L67] EXPR var_15_arg_0 & var_15_arg_1 [L67] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L68] EXPR var_15 & mask_SORT_1 [L68] var_15 = var_15 & mask_SORT_1 [L69] SORT_1 bad_16_arg_0 = var_15; [L70] CALL __VERIFIER_assert(!(bad_16_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 0.33ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.94ms. Allocated memory is still 117.4MB. Free memory was 94.7MB in the beginning and 82.4MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.05ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 78.3MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.01ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 76.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 956.13ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 77.3MB in the end (delta: -742.6kB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * CodeCheck took 572.09ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 56.1MB in the end (delta: 20.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 117.4MB. Free memory was 56.1MB in the beginning and 55.5MB in the end (delta: 589.2kB). 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 01:58:45,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/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_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/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_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/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_e1528492-aef5-43ff-9b05-145239891b7d/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 860a86adaee5a68a8179b30e590ccdfc140c947e3c27f31baed5d0226260962e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:58:48,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:58:49,054 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 01:58:49,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:58:49,088 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:58:49,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:58:49,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:58:49,091 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:58:49,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:58:49,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:58:49,092 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:58:49,092 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:58:49,092 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:58:49,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:58:49,092 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 01:58:49,092 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 01:58:49,092 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 01:58:49,092 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:58:49,092 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:58:49,093 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:58:49,093 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:58:49,093 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:58:49,093 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:58:49,093 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 01:58:49,094 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 01:58:49,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:58:49,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:49,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:58:49,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:58:49,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:58:49,097 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 01:58:49,097 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 01:58:49,097 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 01:58:49,097 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_e1528492-aef5-43ff-9b05-145239891b7d/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 -> 860a86adaee5a68a8179b30e590ccdfc140c947e3c27f31baed5d0226260962e [2024-11-25 01:58:49,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:58:49,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:58:49,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:58:49,451 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:58:49,452 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:58:49,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c [2024-11-25 01:58:52,615 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/data/119ac63f2/d4884370fc344749a25f7b82fd9db357/FLAGad7a3b3df [2024-11-25 01:58:52,885 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:58:52,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c [2024-11-25 01:58:52,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/data/119ac63f2/d4884370fc344749a25f7b82fd9db357/FLAGad7a3b3df [2024-11-25 01:58:52,929 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/data/119ac63f2/d4884370fc344749a25f7b82fd9db357 [2024-11-25 01:58:52,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:58:52,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:58:52,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:52,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:58:52,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:58:52,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:52" (1/1) ... [2024-11-25 01:58:52,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eefcd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:52, skipping insertion in model container [2024-11-25 01:58:52,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:52" (1/1) ... [2024-11-25 01:58:52,971 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:58:53,168 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_e1528492-aef5-43ff-9b05-145239891b7d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c[1250,1263] [2024-11-25 01:58:53,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:53,269 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:58:53,280 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_e1528492-aef5-43ff-9b05-145239891b7d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c[1250,1263] [2024-11-25 01:58:53,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:53,324 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:58:53,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:53 WrapperNode [2024-11-25 01:58:53,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:53,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:53,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:58:53,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:58:53,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:53" (1/1) ... [2024-11-25 01:58:53,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:53" (1/1) ... [2024-11-25 01:58:53,377 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2024-11-25 01:58:53,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:53,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:58:53,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:58:53,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:58:53,389 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:53" (1/1) ... [2024-11-25 01:58:53,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:53" (1/1) ... [2024-11-25 01:58:53,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:53" (1/1) ... [2024-11-25 01:58:53,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:53" (1/1) ... [2024-11-25 01:58:53,405 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:53" (1/1) ... [2024-11-25 01:58:53,410 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:53" (1/1) ... [2024-11-25 01:58:53,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:53" (1/1) ... [2024-11-25 01:58:53,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:53" (1/1) ... [2024-11-25 01:58:53,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:53" (1/1) ... [2024-11-25 01:58:53,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:58:53,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:58:53,430 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:58:53,430 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:58:53,431 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:53" (1/1) ... [2024-11-25 01:58:53,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:53,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:58:53,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:58:53,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:58:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:58:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 01:58:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:58:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:58:53,642 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:58:53,645 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:58:53,888 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-25 01:58:53,889 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:58:53,938 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:58:53,939 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 01:58:53,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:53 BoogieIcfgContainer [2024-11-25 01:58:53,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:58:53,940 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:58:53,940 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:58:53,952 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:58:53,952 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:53" (1/1) ... [2024-11-25 01:58:53,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:58:54,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:54,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 01:58:54,021 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 01:58:54,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 01:58:54,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:54,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:58:54,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:58:54,028 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:58:54,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 01:58:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:54,185 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 01:58:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:54,243 WARN L254 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 01:58:54,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:54,699 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 01:58:54,702 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 01:58:54,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 01:58:54,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:54,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 01:58:54,827 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 01:58:54,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 01:58:54,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:54,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:58:54,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:58:54,833 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:58:54,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 01:58:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:54,981 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 01:58:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:55,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 01:58:55,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:55,521 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 01:58:55,524 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 01:58:55,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 01:58:56,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:56,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2024-11-25 01:58:56,176 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2024-11-25 01:58:56,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 01:58:56,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:56,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:58:56,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:58:56,178 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:58:56,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 01:58:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:56,316 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 01:58:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:56,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 01:58:56,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:56,914 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:56,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 01:58:58,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:58,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 17 states and 30 transitions. [2024-11-25 01:58:58,594 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 30 transitions. [2024-11-25 01:58:58,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 01:58:58,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:58,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:58:58,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:58:58,600 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:58:58,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 01:58:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:58,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 01:58:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:58,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-25 01:58:58,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:59,258 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:59,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-25 01:59:01,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:01,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 23 states and 46 transitions. [2024-11-25 01:59:01,189 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 46 transitions. [2024-11-25 01:59:01,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 01:59:01,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:01,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:59:01,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:59:01,194 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:59:01,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 01:59:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:01,436 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 01:59:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:01,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-25 01:59:01,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:59:02,093 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:59:02,096 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 01:59:02,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-25 01:59:04,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:04,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 29 states and 64 transitions. [2024-11-25 01:59:04,161 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 64 transitions. [2024-11-25 01:59:04,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 01:59:04,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:04,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:59:04,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:59:04,164 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:59:04,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 01:59:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:04,356 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 01:59:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:04,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 01:59:04,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:59:04,948 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:59:04,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 01:59:07,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:07,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 34 states and 78 transitions. [2024-11-25 01:59:07,154 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 78 transitions. [2024-11-25 01:59:07,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 01:59:07,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:07,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:59:07,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:59:07,157 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:59:07,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 01:59:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:07,428 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 01:59:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:07,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 01:59:07,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:59:08,047 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-25 01:59:08,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-25 01:59:08,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:08,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2024-11-25 01:59:08,860 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2024-11-25 01:59:08,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 01:59:08,860 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-25 01:59:08,870 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 01:59:09,482 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-11-25 01:59:09,482 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-11-25 01:59:09,483 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (let ((.cse0 (= (_ bv2 32) |ULTIMATE.start_main_~var_9~0#1|)) (.cse1 (= (_ bv7 8) |ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse2 (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|)) (.cse3 (= (_ bv3 8) |ULTIMATE.start_main_~mask_SORT_21~0#1|)) (.cse4 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (and .cse0 .cse1 (= (_ bv4 8) |ULTIMATE.start_main_~state_18~0#1|) .cse2 .cse3 (= (_ bv27 8) |ULTIMATE.start_main_~state_5~0#1|) .cse4) (and .cse0 (= (_ bv36 8) |ULTIMATE.start_main_~state_18~0#1|) .cse1 (= (_ bv0 8) (bvadd (_ bv37 8) |ULTIMATE.start_main_~state_5~0#1|)) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= (_ bv2 8) |ULTIMATE.start_main_~state_5~0#1|) .cse2 .cse3 (= (_ bv6 8) |ULTIMATE.start_main_~state_18~0#1|) .cse4) (and .cse0 .cse1 (= (_ bv54 8) |ULTIMATE.start_main_~state_18~0#1|) .cse2 .cse3 .cse4 (= (_ bv18 8) |ULTIMATE.start_main_~state_5~0#1|)) (and .cse0 .cse1 (= (_ bv0 8) (bvadd (_ bv74 8) |ULTIMATE.start_main_~state_18~0#1|)) (= (_ bv0 8) (bvadd (_ bv110 8) |ULTIMATE.start_main_~state_5~0#1|)) .cse2 .cse3 .cse4))) [2024-11-25 01:59:09,483 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-11-25 01:59:09,484 INFO L77 FloydHoareUtils]: At program point L52-1(lines 52 93) the Hoare annotation is: (let ((.cse0 (= (_ bv2 32) |ULTIMATE.start_main_~var_9~0#1|)) (.cse1 (= (_ bv7 8) |ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse2 (= (_ bv3 8) |ULTIMATE.start_main_~mask_SORT_21~0#1|)) (.cse3 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (and .cse0 .cse1 (= (_ bv0 8) (bvadd (_ bv74 8) |ULTIMATE.start_main_~state_18~0#1|)) (= (_ bv0 8) (bvadd (_ bv110 8) |ULTIMATE.start_main_~state_5~0#1|)) .cse2 .cse3) (and .cse0 .cse1 (= (_ bv4 8) |ULTIMATE.start_main_~state_18~0#1|) .cse2 (= (_ bv27 8) |ULTIMATE.start_main_~state_5~0#1|) .cse3) (and .cse0 (= (_ bv36 8) |ULTIMATE.start_main_~state_18~0#1|) .cse1 (= (_ bv0 8) (bvadd (_ bv37 8) |ULTIMATE.start_main_~state_5~0#1|)) .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 8) |ULTIMATE.start_main_~state_5~0#1|) .cse2 (= (_ bv6 8) |ULTIMATE.start_main_~state_18~0#1|) .cse3) (and .cse0 .cse1 (= (_ bv54 8) |ULTIMATE.start_main_~state_18~0#1|) .cse2 .cse3 (= (_ bv18 8) |ULTIMATE.start_main_~state_5~0#1|)))) [2024-11-25 01:59:09,484 INFO L77 FloydHoareUtils]: At program point L21-3(line 21) the Hoare annotation is: (let ((.cse0 (= (_ bv2 32) |ULTIMATE.start_main_~var_9~0#1|)) (.cse1 (= (_ bv7 8) |ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse2 (= (_ bv3 8) |ULTIMATE.start_main_~mask_SORT_21~0#1|)) (.cse3 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (and .cse0 .cse1 (= (_ bv0 8) (bvadd (_ bv74 8) |ULTIMATE.start_main_~state_18~0#1|)) (= (_ bv0 8) (bvadd (_ bv110 8) |ULTIMATE.start_main_~state_5~0#1|)) .cse2 .cse3) (and .cse0 .cse1 (= (_ bv4 8) |ULTIMATE.start_main_~state_18~0#1|) .cse2 (= (_ bv27 8) |ULTIMATE.start_main_~state_5~0#1|) .cse3) (and .cse0 (= (_ bv36 8) |ULTIMATE.start_main_~state_18~0#1|) .cse1 (= (_ bv0 8) (bvadd (_ bv37 8) |ULTIMATE.start_main_~state_5~0#1|)) .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 8) |ULTIMATE.start_main_~state_5~0#1|) .cse2 (= (_ bv6 8) |ULTIMATE.start_main_~state_18~0#1|) .cse3) (and .cse0 .cse1 (= (_ bv54 8) |ULTIMATE.start_main_~state_18~0#1|) .cse2 .cse3 (= (_ bv18 8) |ULTIMATE.start_main_~state_5~0#1|)))) [2024-11-25 01:59:09,484 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 01:59:09,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 01:59:09 ImpRootNode [2024-11-25 01:59:09,496 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 01:59:09,497 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 01:59:09,497 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 01:59:09,497 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 01:59:09,498 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:53" (3/4) ... [2024-11-25 01:59:09,500 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 01:59:09,512 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-25 01:59:09,512 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 01:59:09,512 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 01:59:09,512 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 01:59:09,612 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 01:59:09,612 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 01:59:09,613 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 01:59:09,615 INFO L158 Benchmark]: Toolchain (without parser) took 16678.18ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 60.6MB in the beginning and 61.1MB in the end (delta: -474.9kB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2024-11-25 01:59:09,615 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:59:09,616 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.44ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 47.8MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:59:09,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.26ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.4MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:59:09,617 INFO L158 Benchmark]: Boogie Preprocessor took 49.38ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 45.5MB in the end (delta: 902.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:59:09,618 INFO L158 Benchmark]: RCFGBuilder took 510.03ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 30.8MB in the end (delta: 14.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:59:09,619 INFO L158 Benchmark]: CodeCheck took 15556.25ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 30.8MB in the beginning and 65.5MB in the end (delta: -34.6MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-11-25 01:59:09,619 INFO L158 Benchmark]: Witness Printer took 115.44ms. Allocated memory is still 125.8MB. Free memory was 65.5MB in the beginning and 61.1MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:59:09,623 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: 14.9s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 256 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 204 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 143 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 951 IncrementalHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 143 mSolverCounterUnsat, 7 mSDtfsCounter, 951 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1048 GetRequests, 886 SyntacticMatches, 40 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6504 ImplicationChecksByTransitivity, 9.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 1195 SizeOfPredicates, 34 NumberOfNonLiveVariables, 574 ConjunctsInSsa, 164 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 3/147 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: 52]: Loop Invariant Derived loop invariant: ((((((((((2 == var_9) && (7 == mask_SORT_3)) && (0 == ((74 + state_18) % 256))) && (0 == ((110 + state_5) % 256))) && (3 == mask_SORT_21)) && (1 == mask_SORT_1)) || ((((((2 == var_9) && (7 == mask_SORT_3)) && (4 == state_18)) && (3 == mask_SORT_21)) && (27 == state_5)) && (1 == mask_SORT_1))) || ((((((2 == var_9) && (36 == state_18)) && (7 == mask_SORT_3)) && (0 == ((37 + state_5) % 256))) && (3 == mask_SORT_21)) && (1 == mask_SORT_1))) || ((((((2 == var_9) && (7 == mask_SORT_3)) && (2 == state_5)) && (3 == mask_SORT_21)) && (6 == state_18)) && (1 == mask_SORT_1))) || ((((((2 == var_9) && (7 == mask_SORT_3)) && (54 == state_18)) && (3 == mask_SORT_21)) && (1 == mask_SORT_1)) && (18 == state_5))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.44ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 47.8MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.26ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.4MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.38ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 45.5MB in the end (delta: 902.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 510.03ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 30.8MB in the end (delta: 14.4MB). There was no memory consumed. Max. memory is 16.1GB. * CodeCheck took 15556.25ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 30.8MB in the beginning and 65.5MB in the end (delta: -34.6MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Witness Printer took 115.44ms. Allocated memory is still 125.8MB. Free memory was 65.5MB in the beginning and 61.1MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 01:59:09,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1528492-aef5-43ff-9b05-145239891b7d/bin/ukojak-verify-ENZ3QT5qd3/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