./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal180.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_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/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_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal180.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/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_16cc17a5-9892-475e-ac01-b2983e38f54b/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 01ec8bb47f188541ec0a745053a86329760e910824b8dbe513806595f13591bd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:09:40,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:09:40,591 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-24 18:09:40,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:09:40,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:09:40,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:09:40,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:09:40,641 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:09:40,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:09:40,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:09:40,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:09:40,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:09:40,642 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:09:40,642 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:09:40,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:09:40,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:09:40,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:09:40,642 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:09:40,642 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:09:40,642 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:09:40,642 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:09:40,643 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:09:40,643 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:09:40,643 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:09:40,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:09:40,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:09:40,645 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:09:40,645 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:09:40,646 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:09:40,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:09:40,646 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_16cc17a5-9892-475e-ac01-b2983e38f54b/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 -> 01ec8bb47f188541ec0a745053a86329760e910824b8dbe513806595f13591bd [2024-11-24 18:09:40,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:09:40,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:09:40,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:09:40,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:09:40,993 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:09:40,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal180.c [2024-11-24 18:09:43,991 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/data/a4516c423/452722c09fab450eb5f5623361c226c4/FLAG5e84d4119 [2024-11-24 18:09:44,538 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:09:44,538 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal180.c [2024-11-24 18:09:44,562 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/data/a4516c423/452722c09fab450eb5f5623361c226c4/FLAG5e84d4119 [2024-11-24 18:09:45,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/data/a4516c423/452722c09fab450eb5f5623361c226c4 [2024-11-24 18:09:45,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:09:45,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:09:45,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:09:45,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:09:45,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:09:45,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:09:45" (1/1) ... [2024-11-24 18:09:45,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@661b8e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:45, skipping insertion in model container [2024-11-24 18:09:45,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:09:45" (1/1) ... [2024-11-24 18:09:45,119 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:09:45,342 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_16cc17a5-9892-475e-ac01-b2983e38f54b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal180.c[1246,1259] [2024-11-24 18:09:45,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:09:45,767 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:09:45,777 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_16cc17a5-9892-475e-ac01-b2983e38f54b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal180.c[1246,1259] [2024-11-24 18:09:46,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:09:46,035 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:09:46,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:46 WrapperNode [2024-11-24 18:09:46,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:09:46,037 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:09:46,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:09:46,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:09:46,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:46" (1/1) ... [2024-11-24 18:09:46,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:46" (1/1) ... [2024-11-24 18:09:46,501 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3807 [2024-11-24 18:09:46,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:09:46,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:09:46,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:09:46,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:09:46,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:46" (1/1) ... [2024-11-24 18:09:46,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:46" (1/1) ... [2024-11-24 18:09:46,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:46" (1/1) ... [2024-11-24 18:09:46,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:46" (1/1) ... [2024-11-24 18:09:46,694 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:46" (1/1) ... [2024-11-24 18:09:46,711 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:46" (1/1) ... [2024-11-24 18:09:46,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:46" (1/1) ... [2024-11-24 18:09:46,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:46" (1/1) ... [2024-11-24 18:09:46,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:46" (1/1) ... [2024-11-24 18:09:46,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:09:46,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:09:46,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:09:46,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:09:46,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:46" (1/1) ... [2024-11-24 18:09:46,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:09:46,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:09:46,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:09:46,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:09:46,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:09:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:09:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:09:46,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:09:47,572 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:09:47,574 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:09:51,925 INFO L? ?]: Removed 2442 outVars from TransFormulas that were not future-live. [2024-11-24 18:09:51,925 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:09:56,432 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:09:56,433 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 18:09:56,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:09:56 BoogieIcfgContainer [2024-11-24 18:09:56,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:09:56,434 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:09:56,434 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:09:56,444 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:09:56,444 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:09:56" (1/1) ... [2024-11-24 18:09:56,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:09:56,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:56,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-24 18:09:56,516 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-24 18:09:56,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:09:56,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:56,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:09:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:09:57,367 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:09:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:09:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:09:58,270 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:09:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:09:58,911 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:09:58,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:09:58 ImpRootNode [2024-11-24 18:09:58,970 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:09:58,972 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:09:58,972 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:09:58,972 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:09:58,973 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:09:56" (3/4) ... [2024-11-24 18:09:58,976 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:09:58,977 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:09:58,978 INFO L158 Benchmark]: Toolchain (without parser) took 13924.02ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 90.3MB in the beginning and 999.1MB in the end (delta: -908.8MB). Peak memory consumption was 288.1MB. Max. memory is 16.1GB. [2024-11-24 18:09:58,979 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:09:58,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 981.40ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 57.2MB in the end (delta: 33.0MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2024-11-24 18:09:58,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 464.52ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 57.2MB in the beginning and 239.0MB in the end (delta: -181.7MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2024-11-24 18:09:58,983 INFO L158 Benchmark]: Boogie Preprocessor took 364.85ms. Allocated memory is still 352.3MB. Free memory was 239.0MB in the beginning and 211.9MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 18:09:58,984 INFO L158 Benchmark]: RCFGBuilder took 9564.63ms. Allocated memory was 352.3MB in the beginning and 704.6MB in the end (delta: 352.3MB). Free memory was 211.8MB in the beginning and 202.6MB in the end (delta: 9.3MB). Peak memory consumption was 428.7MB. Max. memory is 16.1GB. [2024-11-24 18:09:58,984 INFO L158 Benchmark]: CodeCheck took 2536.29ms. Allocated memory was 704.6MB in the beginning and 1.3GB in the end (delta: 604.0MB). Free memory was 202.6MB in the beginning and 1.0GB in the end (delta: -798.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:09:58,985 INFO L158 Benchmark]: Witness Printer took 5.23ms. Allocated memory is still 1.3GB. Free memory was 1.0GB in the beginning and 999.1MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:09:58,990 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, 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: 0.2s 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 301, overapproximation of bitwiseAnd at line 217, overapproximation of bitwiseAnd at line 117. 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_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 32); [L30] const SORT_7 msb_SORT_7 = (SORT_7)1 << (32 - 1); [L32] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 2); [L33] const SORT_9 msb_SORT_9 = (SORT_9)1 << (2 - 1); [L35] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 3); [L36] const SORT_16 msb_SORT_16 = (SORT_16)1 << (3 - 1); [L38] const SORT_101 mask_SORT_101 = (SORT_101)-1 >> (sizeof(SORT_101) * 8 - 31); [L39] const SORT_101 msb_SORT_101 = (SORT_101)1 << (31 - 1); [L41] const SORT_1 var_63 = 0; [L42] const SORT_1 var_79 = 1; [L43] const SORT_9 var_88 = 0; [L44] const SORT_9 var_92 = 2; [L45] const SORT_101 var_102 = 1618477056; [L46] const SORT_101 var_105 = 1618478076; [L47] const SORT_9 var_116 = 1; [L48] const SORT_9 var_119 = 3; [L49] const SORT_16 var_171 = 0; [L50] const SORT_16 var_175 = 2; [L51] const SORT_16 var_177 = 4; [L52] const SORT_16 var_190 = 3; [L53] const SORT_16 var_274 = 5; [L54] const SORT_16 var_276 = 7; [L55] const SORT_16 var_289 = 6; [L56] const SORT_16 var_335 = 1; [L58] SORT_1 input_2; [L59] SORT_1 input_3; [L60] SORT_1 input_4; [L61] SORT_1 input_5; [L62] SORT_1 input_6; [L63] SORT_7 input_8; [L64] SORT_9 input_10; [L65] SORT_1 input_11; [L66] SORT_7 input_12; [L67] SORT_1 input_13; [L68] SORT_1 input_14; [L69] SORT_1 input_15; [L70] SORT_16 input_17; [L71] SORT_1 input_18; [L72] SORT_1 input_19; [L73] SORT_1 input_20; [L74] SORT_1 input_21; [L75] SORT_1 input_22; [L76] SORT_1 input_23; [L77] SORT_9 input_24; [L78] SORT_9 input_25; [L79] SORT_1 input_26; [L80] SORT_9 input_27; [L81] SORT_9 input_28; [L82] SORT_1 input_29; [L83] SORT_1 input_30; [L84] SORT_1 input_31; [L85] SORT_1 input_32; [L86] SORT_1 input_33; [L87] SORT_1 input_34; [L88] SORT_1 input_35; [L89] SORT_1 input_36; [L90] SORT_9 input_37; [L91] SORT_9 input_38; [L92] SORT_1 input_39; [L93] SORT_1 input_40; [L94] SORT_1 input_41; [L95] SORT_1 input_42; [L96] SORT_1 input_43; [L97] SORT_1 input_44; [L98] SORT_1 input_45; [L99] SORT_1 input_46; [L100] SORT_1 input_47; [L101] SORT_1 input_48; [L102] SORT_9 input_49; [L103] SORT_9 input_50; [L104] SORT_1 input_51; [L105] SORT_1 input_52; [L106] SORT_1 input_53; [L107] SORT_1 input_54; [L108] SORT_9 input_55; [L109] SORT_9 input_56; [L110] SORT_1 input_57; [L111] SORT_1 input_58; [L112] SORT_9 input_59; [L113] SORT_9 input_60; [L114] SORT_16 input_61; [L115] SORT_16 input_62; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L117] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L122] SORT_9 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_94 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L124] SORT_9 state_113 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L125] SORT_1 state_158 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L126] SORT_1 state_161 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_16 [L127] SORT_16 state_172 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L128] SORT_9 state_202 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L129] SORT_9 state_207 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L130] SORT_1 state_211 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L131] SORT_1 state_218 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L132] SORT_1 state_261 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L133] SORT_1 state_264 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L134] SORT_1 state_313 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_397 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L136] SORT_9 state_402 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L137] SORT_1 state_406 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L138] SORT_9 state_413 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L139] SORT_1 state_456 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L140] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L140] SORT_1 state_459 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_16 [L141] SORT_16 state_469 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L142] SORT_9 state_496 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L143] SORT_9 state_501 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L144] SORT_1 state_505 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L145] SORT_1 state_512 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L146] SORT_1 state_547 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L147] SORT_1 state_550 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L148] SORT_1 state_596 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L150] SORT_1 init_65_arg_1 = var_63; [L151] state_64 = init_65_arg_1 [L152] SORT_1 init_68_arg_1 = var_63; [L153] state_67 = init_68_arg_1 [L154] SORT_1 init_70_arg_1 = var_63; [L155] state_69 = init_70_arg_1 [L156] SORT_1 init_73_arg_1 = var_63; [L157] state_72 = init_73_arg_1 [L158] SORT_1 init_84_arg_1 = var_63; [L159] state_83 = init_84_arg_1 [L160] SORT_9 init_90_arg_1 = var_88; [L161] state_89 = init_90_arg_1 [L162] SORT_1 init_95_arg_1 = var_63; [L163] state_94 = init_95_arg_1 [L164] SORT_9 init_114_arg_1 = var_88; [L165] state_113 = init_114_arg_1 [L166] SORT_1 init_159_arg_1 = var_63; [L167] state_158 = init_159_arg_1 [L168] SORT_1 init_162_arg_1 = var_63; [L169] state_161 = init_162_arg_1 [L170] SORT_16 init_173_arg_1 = var_171; [L171] state_172 = init_173_arg_1 [L172] SORT_9 init_203_arg_1 = var_88; [L173] state_202 = init_203_arg_1 [L174] SORT_9 init_208_arg_1 = var_88; [L175] state_207 = init_208_arg_1 [L176] SORT_1 init_212_arg_1 = var_63; [L177] state_211 = init_212_arg_1 [L178] SORT_1 init_219_arg_1 = var_63; [L179] state_218 = init_219_arg_1 [L180] SORT_1 init_262_arg_1 = var_63; [L181] state_261 = init_262_arg_1 [L182] SORT_1 init_265_arg_1 = var_63; [L183] state_264 = init_265_arg_1 [L184] SORT_1 init_314_arg_1 = var_63; [L185] state_313 = init_314_arg_1 [L186] SORT_1 init_398_arg_1 = var_63; [L187] state_397 = init_398_arg_1 [L188] SORT_9 init_403_arg_1 = var_88; [L189] state_402 = init_403_arg_1 [L190] SORT_1 init_407_arg_1 = var_63; [L191] state_406 = init_407_arg_1 [L192] SORT_9 init_414_arg_1 = var_88; [L193] state_413 = init_414_arg_1 [L194] SORT_1 init_457_arg_1 = var_63; [L195] state_456 = init_457_arg_1 [L196] SORT_1 init_460_arg_1 = var_63; [L197] state_459 = init_460_arg_1 [L198] SORT_16 init_470_arg_1 = var_171; [L199] state_469 = init_470_arg_1 [L200] SORT_9 init_497_arg_1 = var_88; [L201] state_496 = init_497_arg_1 [L202] SORT_9 init_502_arg_1 = var_88; [L203] state_501 = init_502_arg_1 [L204] SORT_1 init_506_arg_1 = var_63; [L205] state_505 = init_506_arg_1 [L206] SORT_1 init_513_arg_1 = var_63; [L207] state_512 = init_513_arg_1 [L208] SORT_1 init_548_arg_1 = var_63; [L209] state_547 = init_548_arg_1 [L210] SORT_1 init_551_arg_1 = var_63; [L211] state_550 = init_551_arg_1 [L212] SORT_1 init_597_arg_1 = var_63; [L213] state_596 = init_597_arg_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_113=0, state_158=0, state_161=0, state_172=0, state_202=0, state_207=0, state_211=0, state_218=0, state_261=0, state_264=0, state_313=0, state_397=0, state_402=0, state_406=0, state_413=0, state_456=0, state_459=0, state_469=0, state_496=0, state_501=0, state_505=0, state_512=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_83=0, state_89=0, state_94=0, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L216] input_2 = __VERIFIER_nondet_uchar() [L217] EXPR input_2 & mask_SORT_1 [L217] input_2 = input_2 & mask_SORT_1 [L218] input_3 = __VERIFIER_nondet_uchar() [L219] EXPR input_3 & mask_SORT_1 [L219] input_3 = input_3 & mask_SORT_1 [L220] input_4 = __VERIFIER_nondet_uchar() [L221] EXPR input_4 & mask_SORT_1 [L221] input_4 = input_4 & mask_SORT_1 [L222] input_5 = __VERIFIER_nondet_uchar() [L223] input_6 = __VERIFIER_nondet_uchar() [L224] input_8 = __VERIFIER_nondet_uint() [L225] EXPR input_8 & mask_SORT_7 [L225] input_8 = input_8 & mask_SORT_7 [L226] input_10 = __VERIFIER_nondet_uchar() [L227] input_11 = __VERIFIER_nondet_uchar() [L228] input_12 = __VERIFIER_nondet_uint() [L229] EXPR input_12 & mask_SORT_7 [L229] input_12 = input_12 & mask_SORT_7 [L230] input_13 = __VERIFIER_nondet_uchar() [L231] EXPR input_13 & mask_SORT_1 [L231] input_13 = input_13 & mask_SORT_1 [L232] input_14 = __VERIFIER_nondet_uchar() [L233] EXPR input_14 & mask_SORT_1 [L233] input_14 = input_14 & mask_SORT_1 [L234] input_15 = __VERIFIER_nondet_uchar() [L235] EXPR input_15 & mask_SORT_1 [L235] input_15 = input_15 & mask_SORT_1 [L236] input_17 = __VERIFIER_nondet_uchar() [L237] input_18 = __VERIFIER_nondet_uchar() [L238] input_19 = __VERIFIER_nondet_uchar() [L239] input_20 = __VERIFIER_nondet_uchar() [L240] input_21 = __VERIFIER_nondet_uchar() [L241] input_22 = __VERIFIER_nondet_uchar() [L242] input_23 = __VERIFIER_nondet_uchar() [L243] input_24 = __VERIFIER_nondet_uchar() [L244] input_25 = __VERIFIER_nondet_uchar() [L245] input_26 = __VERIFIER_nondet_uchar() [L246] input_27 = __VERIFIER_nondet_uchar() [L247] input_28 = __VERIFIER_nondet_uchar() [L248] input_29 = __VERIFIER_nondet_uchar() [L249] input_30 = __VERIFIER_nondet_uchar() [L250] input_31 = __VERIFIER_nondet_uchar() [L251] input_32 = __VERIFIER_nondet_uchar() [L252] input_33 = __VERIFIER_nondet_uchar() [L253] input_34 = __VERIFIER_nondet_uchar() [L254] input_35 = __VERIFIER_nondet_uchar() [L255] input_36 = __VERIFIER_nondet_uchar() [L256] input_37 = __VERIFIER_nondet_uchar() [L257] input_38 = __VERIFIER_nondet_uchar() [L258] input_39 = __VERIFIER_nondet_uchar() [L259] input_40 = __VERIFIER_nondet_uchar() [L260] input_41 = __VERIFIER_nondet_uchar() [L261] input_42 = __VERIFIER_nondet_uchar() [L262] input_43 = __VERIFIER_nondet_uchar() [L263] input_44 = __VERIFIER_nondet_uchar() [L264] input_45 = __VERIFIER_nondet_uchar() [L265] input_46 = __VERIFIER_nondet_uchar() [L266] input_47 = __VERIFIER_nondet_uchar() [L267] input_48 = __VERIFIER_nondet_uchar() [L268] input_49 = __VERIFIER_nondet_uchar() [L269] input_50 = __VERIFIER_nondet_uchar() [L270] input_51 = __VERIFIER_nondet_uchar() [L271] input_52 = __VERIFIER_nondet_uchar() [L272] input_53 = __VERIFIER_nondet_uchar() [L273] input_54 = __VERIFIER_nondet_uchar() [L274] input_55 = __VERIFIER_nondet_uchar() [L275] input_56 = __VERIFIER_nondet_uchar() [L276] input_57 = __VERIFIER_nondet_uchar() [L277] input_58 = __VERIFIER_nondet_uchar() [L278] input_59 = __VERIFIER_nondet_uchar() [L279] input_60 = __VERIFIER_nondet_uchar() [L280] input_61 = __VERIFIER_nondet_uchar() [L281] input_62 = __VERIFIER_nondet_uchar() [L284] SORT_1 var_66_arg_0 = state_64; [L285] SORT_1 var_66 = ~var_66_arg_0; [L286] SORT_1 var_71_arg_0 = state_69; [L287] SORT_1 var_71_arg_1 = state_67; [L288] SORT_1 var_71_arg_2 = input_29; [L289] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L290] EXPR var_71 & mask_SORT_1 [L290] var_71 = var_71 & mask_SORT_1 [L291] SORT_1 var_74_arg_0 = state_69; [L292] SORT_1 var_74_arg_1 = state_72; [L293] SORT_1 var_74_arg_2 = input_29; [L294] SORT_1 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; [L295] EXPR var_74 & mask_SORT_1 [L295] var_74 = var_74 & mask_SORT_1 [L296] SORT_1 var_75_arg_0 = var_71; [L297] SORT_1 var_75_arg_1 = var_74; [L298] SORT_1 var_75 = var_75_arg_0 == var_75_arg_1; [L299] SORT_1 var_76_arg_0 = var_66; [L300] SORT_1 var_76_arg_1 = var_75; [L301] EXPR var_76_arg_0 | var_76_arg_1 [L301] SORT_1 var_76 = var_76_arg_0 | var_76_arg_1; [L302] SORT_1 var_80_arg_0 = var_76; [L303] SORT_1 var_80 = ~var_80_arg_0; [L304] SORT_1 var_81_arg_0 = var_79; [L305] SORT_1 var_81_arg_1 = var_80; [L306] EXPR var_81_arg_0 & var_81_arg_1 [L306] SORT_1 var_81 = var_81_arg_0 & var_81_arg_1; [L307] EXPR var_81 & mask_SORT_1 [L307] var_81 = var_81 & mask_SORT_1 [L308] SORT_1 bad_82_arg_0 = var_81; [L309] CALL __VERIFIER_assert(!(bad_82_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 0.58ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 981.40ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 57.2MB in the end (delta: 33.0MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 464.52ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 57.2MB in the beginning and 239.0MB in the end (delta: -181.7MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 364.85ms. Allocated memory is still 352.3MB. Free memory was 239.0MB in the beginning and 211.9MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 9564.63ms. Allocated memory was 352.3MB in the beginning and 704.6MB in the end (delta: 352.3MB). Free memory was 211.8MB in the beginning and 202.6MB in the end (delta: 9.3MB). Peak memory consumption was 428.7MB. Max. memory is 16.1GB. * CodeCheck took 2536.29ms. Allocated memory was 704.6MB in the beginning and 1.3GB in the end (delta: 604.0MB). Free memory was 202.6MB in the beginning and 1.0GB in the end (delta: -798.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.23ms. Allocated memory is still 1.3GB. Free memory was 1.0GB in the beginning and 999.1MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:09:59,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/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_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/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_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal180.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/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_16cc17a5-9892-475e-ac01-b2983e38f54b/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 01ec8bb47f188541ec0a745053a86329760e910824b8dbe513806595f13591bd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:10:01,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:10:01,918 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-24 18:10:01,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:10:01,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:10:01,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:10:01,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:10:01,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:10:01,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:10:01,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:10:01,983 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:10:01,983 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:10:01,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:10:01,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:10:01,987 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:10:01,987 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:10:01,988 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:10:01,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:10:01,988 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:10:01,988 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:10:01,988 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:10:01,988 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:10:01,988 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:10:01,988 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:01,988 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:10:01,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:10:01,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:10:01,989 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:10:01,989 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:10:01,989 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:10:01,989 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:10:01,989 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:01,989 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:10:01,989 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_16cc17a5-9892-475e-ac01-b2983e38f54b/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 -> 01ec8bb47f188541ec0a745053a86329760e910824b8dbe513806595f13591bd [2024-11-24 18:10:02,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:10:02,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:10:02,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:10:02,351 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:10:02,352 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:10:02,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal180.c [2024-11-24 18:10:05,331 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/data/d65193ad0/7958fc018d6042e6b281abfc86141bdc/FLAG40b18d4c9 [2024-11-24 18:10:05,847 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:10:05,852 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal180.c [2024-11-24 18:10:05,878 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/data/d65193ad0/7958fc018d6042e6b281abfc86141bdc/FLAG40b18d4c9 [2024-11-24 18:10:05,901 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/data/d65193ad0/7958fc018d6042e6b281abfc86141bdc [2024-11-24 18:10:05,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:10:05,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:10:05,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:10:05,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:10:05,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:10:05,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:10:05" (1/1) ... [2024-11-24 18:10:05,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3182f275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:05, skipping insertion in model container [2024-11-24 18:10:05,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:10:05" (1/1) ... [2024-11-24 18:10:06,002 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:10:06,231 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_16cc17a5-9892-475e-ac01-b2983e38f54b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal180.c[1246,1259] [2024-11-24 18:10:06,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:10:06,686 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:10:06,700 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_16cc17a5-9892-475e-ac01-b2983e38f54b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal180.c[1246,1259] [2024-11-24 18:10:06,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:10:06,981 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:10:06,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:06 WrapperNode [2024-11-24 18:10:06,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:10:06,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:10:06,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:10:06,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:10:06,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:06" (1/1) ... [2024-11-24 18:10:07,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:06" (1/1) ... [2024-11-24 18:10:07,173 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2271 [2024-11-24 18:10:07,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:10:07,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:10:07,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:10:07,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:10:07,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:06" (1/1) ... [2024-11-24 18:10:07,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:06" (1/1) ... [2024-11-24 18:10:07,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:06" (1/1) ... [2024-11-24 18:10:07,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:06" (1/1) ... [2024-11-24 18:10:07,254 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:06" (1/1) ... [2024-11-24 18:10:07,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:06" (1/1) ... [2024-11-24 18:10:07,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:06" (1/1) ... [2024-11-24 18:10:07,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:06" (1/1) ... [2024-11-24 18:10:07,284 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:06" (1/1) ... [2024-11-24 18:10:07,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:10:07,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:10:07,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:10:07,318 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:10:07,319 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:06" (1/1) ... [2024-11-24 18:10:07,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:10:07,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:10:07,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:10:07,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:10:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:10:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:10:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:10:07,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:10:07,932 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:10:07,934 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:10:10,218 INFO L? ?]: Removed 122 outVars from TransFormulas that were not future-live. [2024-11-24 18:10:10,219 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:10:10,323 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:10:10,323 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 18:10:10,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:10:10 BoogieIcfgContainer [2024-11-24 18:10:10,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:10:10,325 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:10:10,325 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:10:10,336 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:10:10,337 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:10:10" (1/1) ... [2024-11-24 18:10:10,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:10:10,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:10,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-24 18:10:10,409 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-24 18:10:10,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:10:10,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:10,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:10,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:10,417 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:10,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:10:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:11,252 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:11,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 18:10:11,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:11,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:11,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-24 18:10:11,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:11,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-24 18:10:11,865 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-24 18:10:11,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:10:11,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:11,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:11,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:11,868 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:11,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-24 18:10:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:13,434 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:13,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-24 18:10:13,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:14,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:14,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-24 18:10:15,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:15,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-24 18:10:15,107 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-24 18:10:15,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-24 18:10:15,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:15,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:15,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:15,112 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:15,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16cc17a5-9892-475e-ac01-b2983e38f54b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-24 18:10:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:17,784 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:18,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-24 18:10:18,505 INFO L279 TraceCheckSpWp]: Computing forward predicates...