./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk --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 52bb3902ccaac92ca995ec60bcedc54784c82a6cab90a6a11e201a4e0de664cb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:07:35,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:07:35,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 23:07:35,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:07:35,398 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:07:35,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:07:35,430 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:07:35,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:07:35,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:07:35,431 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:07:35,432 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:07:35,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:07:35,435 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:07:35,436 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:07:35,436 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:07:35,436 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:07:35,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:07:35,437 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:07:35,437 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:07:35,438 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:07:35,438 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:07:35,442 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:07:35,442 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:07:35,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:07:35,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:07:35,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:07:35,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:07:35,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:07:35,463 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:07:35,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:07:35,463 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52bb3902ccaac92ca995ec60bcedc54784c82a6cab90a6a11e201a4e0de664cb [2024-11-08 23:07:35,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:07:35,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:07:35,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:07:35,788 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:07:35,789 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:07:35,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c Unable to find full path for "g++" [2024-11-08 23:07:37,769 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:07:38,042 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:07:38,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c [2024-11-08 23:07:38,056 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/data/2c1ec14b7/08b9a1126e2c4ebfa8d2b19302153a5c/FLAGbbd262dc9 [2024-11-08 23:07:38,073 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/data/2c1ec14b7/08b9a1126e2c4ebfa8d2b19302153a5c [2024-11-08 23:07:38,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:07:38,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:07:38,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:07:38,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:07:38,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:07:38,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:07:38" (1/1) ... [2024-11-08 23:07:38,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fd1b623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:38, skipping insertion in model container [2024-11-08 23:07:38,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:07:38" (1/1) ... [2024-11-08 23:07:38,142 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:07:38,356 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_205223d0-36d7-46ed-bb7f-46f18d17772c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c[1259,1272] [2024-11-08 23:07:38,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:07:38,677 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:07:38,689 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_205223d0-36d7-46ed-bb7f-46f18d17772c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c[1259,1272] [2024-11-08 23:07:38,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:07:38,888 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:07:38,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:38 WrapperNode [2024-11-08 23:07:38,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:07:38,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:07:38,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:07:38,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:07:38,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:38" (1/1) ... [2024-11-08 23:07:38,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:38" (1/1) ... [2024-11-08 23:07:39,263 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2150 [2024-11-08 23:07:39,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:07:39,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:07:39,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:07:39,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:07:39,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:38" (1/1) ... [2024-11-08 23:07:39,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:38" (1/1) ... [2024-11-08 23:07:39,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:38" (1/1) ... [2024-11-08 23:07:39,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:38" (1/1) ... [2024-11-08 23:07:39,412 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:38" (1/1) ... [2024-11-08 23:07:39,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:38" (1/1) ... [2024-11-08 23:07:39,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:38" (1/1) ... [2024-11-08 23:07:39,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:38" (1/1) ... [2024-11-08 23:07:39,533 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:07:39,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:07:39,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:07:39,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:07:39,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:38" (1/1) ... [2024-11-08 23:07:39,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:07:39,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:07:39,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:07:39,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:07:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:07:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:07:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:07:39,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:07:39,923 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:07:39,925 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:07:42,615 INFO L? ?]: Removed 1344 outVars from TransFormulas that were not future-live. [2024-11-08 23:07:42,615 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:07:45,958 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:07:45,961 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:07:45,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:07:45 BoogieIcfgContainer [2024-11-08 23:07:45,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:07:45,963 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:07:45,963 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:07:45,973 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:07:45,974 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:07:45" (1/1) ... [2024-11-08 23:07:45,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:07:46,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:46,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:07:46,052 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:07:46,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:07:46,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:46,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:07:46,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:07:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:07:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:07:47,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:07:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:07:47,495 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:07:47,532 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 23:07:47,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:07:47 ImpRootNode [2024-11-08 23:07:47,548 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:07:47,550 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:07:47,550 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:07:47,550 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:07:47,551 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:07:45" (3/4) ... [2024-11-08 23:07:47,555 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:07:47,557 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:07:47,559 INFO L158 Benchmark]: Toolchain (without parser) took 9480.32ms. Allocated memory was 155.2MB in the beginning and 438.3MB in the end (delta: 283.1MB). Free memory was 112.5MB in the beginning and 239.7MB in the end (delta: -127.2MB). Peak memory consumption was 158.6MB. Max. memory is 16.1GB. [2024-11-08 23:07:47,559 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 155.2MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:07:47,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 810.01ms. Allocated memory is still 155.2MB. Free memory was 112.5MB in the beginning and 65.3MB in the end (delta: 47.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-08 23:07:47,563 INFO L158 Benchmark]: Boogie Procedure Inliner took 374.61ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 64.8MB in the beginning and 136.0MB in the end (delta: -71.1MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2024-11-08 23:07:47,563 INFO L158 Benchmark]: Boogie Preprocessor took 268.63ms. Allocated memory is still 213.9MB. Free memory was 136.0MB in the beginning and 118.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:07:47,564 INFO L158 Benchmark]: RCFGBuilder took 6427.16ms. Allocated memory was 213.9MB in the beginning and 438.3MB in the end (delta: 224.4MB). Free memory was 118.1MB in the beginning and 324.6MB in the end (delta: -206.5MB). Peak memory consumption was 227.6MB. Max. memory is 16.1GB. [2024-11-08 23:07:47,565 INFO L158 Benchmark]: CodeCheck took 1585.03ms. Allocated memory is still 438.3MB. Free memory was 324.6MB in the beginning and 239.7MB in the end (delta: 84.9MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2024-11-08 23:07:47,566 INFO L158 Benchmark]: Witness Printer took 8.09ms. Allocated memory is still 438.3MB. Free memory is still 239.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:07:47,572 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 175, overapproximation of bitwiseAnd at line 152. 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 - 5); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L35] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 3); [L36] const SORT_7 msb_SORT_7 = (SORT_7)1 << (3 - 1); [L38] const SORT_20 mask_SORT_20 = (SORT_20)-1 >> (sizeof(SORT_20) * 8 - 2); [L39] const SORT_20 msb_SORT_20 = (SORT_20)1 << (2 - 1); [L41] const SORT_85 mask_SORT_85 = (SORT_85)-1 >> (sizeof(SORT_85) * 8 - 4); [L42] const SORT_85 msb_SORT_85 = (SORT_85)1 << (4 - 1); [L44] const SORT_150 mask_SORT_150 = (SORT_150)-1 >> (sizeof(SORT_150) * 8 - 32); [L45] const SORT_150 msb_SORT_150 = (SORT_150)1 << (32 - 1); [L47] const SORT_7 var_8 = 0; [L48] const SORT_7 var_11 = 4; [L49] const SORT_5 var_13 = 0; [L50] const SORT_7 var_17 = 2; [L51] const SORT_20 var_22 = 0; [L52] const SORT_3 var_26 = 0; [L53] const SORT_1 var_35 = 1; [L54] const SORT_1 var_43 = 0; [L55] const SORT_7 var_60 = 1; [L56] const SORT_7 var_66 = 5; [L57] const SORT_7 var_70 = 3; [L58] const SORT_7 var_102 = 7; [L59] const SORT_7 var_107 = 6; [L60] const SORT_150 var_152 = 0; [L61] const SORT_3 var_167 = 2; [L62] const SORT_3 var_184 = 31; [L64] SORT_1 input_2; [L65] SORT_3 input_4; [L66] SORT_5 input_6; [L67] SORT_3 input_173; [L68] SORT_3 input_174; [L69] SORT_3 input_175; [L70] SORT_3 input_183; [L71] SORT_3 input_193; [L72] SORT_3 input_194; [L73] SORT_3 input_195; [L74] SORT_3 input_198; [L75] SORT_3 input_217; [L76] SORT_3 input_218; [L77] SORT_3 input_219; [L78] SORT_3 input_222; [L79] SORT_3 input_224; [L80] SORT_20 input_238; [L81] SORT_20 input_239; [L82] SORT_20 input_240; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 [L84] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L85] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 [L85] SORT_5 state_14 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L86] SORT_3 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L87] SORT_3 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L88] SORT_3 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L89] SORT_3 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L90] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L91] SORT_3 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L92] SORT_3 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L93] SORT_3 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L94] SORT_3 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L95] SORT_3 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L96] SORT_3 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L98] SORT_7 init_10_arg_1 = var_8; [L99] state_9 = init_10_arg_1 [L100] SORT_5 init_15_arg_1 = var_13; [L101] state_14 = init_15_arg_1 [L102] SORT_3 init_28_arg_1 = var_26; [L103] state_27 = init_28_arg_1 [L104] SORT_3 init_30_arg_1 = var_26; [L105] state_29 = init_30_arg_1 [L106] SORT_3 init_40_arg_1 = var_26; [L107] state_39 = init_40_arg_1 [L108] SORT_3 init_42_arg_1 = var_26; [L109] state_41 = init_42_arg_1 [L110] SORT_1 init_45_arg_1 = var_43; [L111] state_44 = init_45_arg_1 [L112] SORT_3 init_47_arg_1 = var_26; [L113] state_46 = init_47_arg_1 [L114] SORT_3 init_49_arg_1 = var_26; [L115] state_48 = init_49_arg_1 [L116] SORT_3 init_51_arg_1 = var_26; [L117] state_50 = init_51_arg_1 [L118] SORT_3 init_53_arg_1 = var_26; [L119] state_52 = init_53_arg_1 [L120] SORT_3 init_55_arg_1 = var_26; [L121] state_54 = init_55_arg_1 [L122] SORT_3 init_57_arg_1 = var_26; [L123] state_56 = init_57_arg_1 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L126] input_2 = __VERIFIER_nondet_uchar() [L127] input_4 = __VERIFIER_nondet_uchar() [L128] input_6 = __VERIFIER_nondet_ushort() [L129] input_173 = __VERIFIER_nondet_uchar() [L130] input_174 = __VERIFIER_nondet_uchar() [L131] input_175 = __VERIFIER_nondet_uchar() [L132] input_183 = __VERIFIER_nondet_uchar() [L133] input_193 = __VERIFIER_nondet_uchar() [L134] input_194 = __VERIFIER_nondet_uchar() [L135] input_195 = __VERIFIER_nondet_uchar() [L136] input_198 = __VERIFIER_nondet_uchar() [L137] input_217 = __VERIFIER_nondet_uchar() [L138] input_218 = __VERIFIER_nondet_uchar() [L139] input_219 = __VERIFIER_nondet_uchar() [L140] input_222 = __VERIFIER_nondet_uchar() [L141] input_224 = __VERIFIER_nondet_uchar() [L142] input_238 = __VERIFIER_nondet_uchar() [L143] input_239 = __VERIFIER_nondet_uchar() [L144] input_240 = __VERIFIER_nondet_uchar() [L147] SORT_7 var_12_arg_0 = state_9; [L148] SORT_7 var_12_arg_1 = var_11; [L149] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L150] SORT_5 var_16_arg_0 = state_14; [L151] SORT_7 var_16 = var_16_arg_0 >> 9; [L152] EXPR var_16 & mask_SORT_7 [L152] var_16 = var_16 & mask_SORT_7 [L153] SORT_7 var_18_arg_0 = var_16; [L154] SORT_7 var_18_arg_1 = var_17; [L155] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L156] SORT_1 var_19_arg_0 = var_12; [L157] SORT_1 var_19_arg_1 = var_18; [L158] EXPR var_19_arg_0 & var_19_arg_1 [L158] SORT_1 var_19 = var_19_arg_0 & var_19_arg_1; [L159] SORT_5 var_21_arg_0 = state_14; [L160] SORT_20 var_21 = var_21_arg_0 >> 7; [L161] EXPR var_21 & mask_SORT_20 [L161] var_21 = var_21 & mask_SORT_20 [L162] SORT_20 var_23_arg_0 = var_21; [L163] SORT_20 var_23_arg_1 = var_22; [L164] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L165] SORT_1 var_24_arg_0 = var_19; [L166] SORT_1 var_24_arg_1 = var_23; [L167] EXPR var_24_arg_0 & var_24_arg_1 [L167] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L168] SORT_1 var_25_arg_0 = var_24; [L169] SORT_1 var_25 = ~var_25_arg_0; [L170] SORT_3 var_31_arg_0 = state_27; [L171] SORT_3 var_31_arg_1 = state_29; [L172] SORT_1 var_31 = var_31_arg_0 == var_31_arg_1; [L173] SORT_1 var_32_arg_0 = var_25; [L174] SORT_1 var_32_arg_1 = var_31; [L175] EXPR var_32_arg_0 | var_32_arg_1 [L175] SORT_1 var_32 = var_32_arg_0 | var_32_arg_1; [L176] SORT_1 var_36_arg_0 = var_32; [L177] SORT_1 var_36 = ~var_36_arg_0; [L178] SORT_1 var_37_arg_0 = var_35; [L179] SORT_1 var_37_arg_1 = var_36; [L180] EXPR var_37_arg_0 & var_37_arg_1 [L180] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L181] EXPR var_37 & mask_SORT_1 [L181] var_37 = var_37 & mask_SORT_1 [L182] SORT_1 bad_38_arg_0 = var_37; [L183] CALL __VERIFIER_assert(!(bad_38_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 0.32ms. Allocated memory is still 155.2MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 810.01ms. Allocated memory is still 155.2MB. Free memory was 112.5MB in the beginning and 65.3MB in the end (delta: 47.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 374.61ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 64.8MB in the beginning and 136.0MB in the end (delta: -71.1MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 268.63ms. Allocated memory is still 213.9MB. Free memory was 136.0MB in the beginning and 118.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 6427.16ms. Allocated memory was 213.9MB in the beginning and 438.3MB in the end (delta: 224.4MB). Free memory was 118.1MB in the beginning and 324.6MB in the end (delta: -206.5MB). Peak memory consumption was 227.6MB. Max. memory is 16.1GB. * CodeCheck took 1585.03ms. Allocated memory is still 438.3MB. Free memory was 324.6MB in the beginning and 239.7MB in the end (delta: 84.9MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. * Witness Printer took 8.09ms. Allocated memory is still 438.3MB. Free memory is still 239.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:07:47,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk --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 52bb3902ccaac92ca995ec60bcedc54784c82a6cab90a6a11e201a4e0de664cb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:07:49,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:07:50,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 23:07:50,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:07:50,089 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:07:50,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:07:50,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:07:50,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:07:50,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:07:50,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:07:50,094 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:07:50,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:07:50,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:07:50,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:07:50,098 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:07:50,098 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:07:50,099 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:07:50,099 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:07:50,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:07:50,100 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:07:50,100 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:07:50,105 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:07:50,105 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:07:50,105 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:07:50,106 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:07:50,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:07:50,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:07:50,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:07:50,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:07:50,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:07:50,108 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:07:50,108 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:07:50,109 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:07:50,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52bb3902ccaac92ca995ec60bcedc54784c82a6cab90a6a11e201a4e0de664cb [2024-11-08 23:07:50,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:07:50,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:07:50,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:07:50,552 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:07:50,555 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:07:50,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c Unable to find full path for "g++" [2024-11-08 23:07:52,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:07:53,040 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:07:53,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c [2024-11-08 23:07:53,056 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/data/9b321c91b/5a89983fd7b244138ab1247228d1c7e0/FLAG9532f5a21 [2024-11-08 23:07:53,072 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/data/9b321c91b/5a89983fd7b244138ab1247228d1c7e0 [2024-11-08 23:07:53,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:07:53,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:07:53,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:07:53,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:07:53,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:07:53,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:07:53" (1/1) ... [2024-11-08 23:07:53,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b39afd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:53, skipping insertion in model container [2024-11-08 23:07:53,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:07:53" (1/1) ... [2024-11-08 23:07:53,169 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:07:53,508 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_205223d0-36d7-46ed-bb7f-46f18d17772c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c[1259,1272] [2024-11-08 23:07:53,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:07:53,836 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:07:53,850 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_205223d0-36d7-46ed-bb7f-46f18d17772c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c[1259,1272] [2024-11-08 23:07:54,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:07:54,053 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:07:54,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:54 WrapperNode [2024-11-08 23:07:54,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:07:54,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:07:54,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:07:54,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:07:54,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:54" (1/1) ... [2024-11-08 23:07:54,104 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:54" (1/1) ... [2024-11-08 23:07:54,214 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1084 [2024-11-08 23:07:54,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:07:54,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:07:54,217 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:07:54,217 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:07:54,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:54" (1/1) ... [2024-11-08 23:07:54,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:54" (1/1) ... [2024-11-08 23:07:54,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:54" (1/1) ... [2024-11-08 23:07:54,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:54" (1/1) ... [2024-11-08 23:07:54,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:54" (1/1) ... [2024-11-08 23:07:54,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:54" (1/1) ... [2024-11-08 23:07:54,277 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:54" (1/1) ... [2024-11-08 23:07:54,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:54" (1/1) ... [2024-11-08 23:07:54,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:07:54,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:07:54,293 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:07:54,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:07:54,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:54" (1/1) ... [2024-11-08 23:07:54,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:07:54,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:07:54,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:07:54,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:07:54,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:07:54,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:07:54,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:07:54,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:07:54,708 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:07:54,711 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:07:56,561 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2024-11-08 23:07:56,561 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:07:56,637 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:07:56,637 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:07:56,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:07:56 BoogieIcfgContainer [2024-11-08 23:07:56,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:07:56,639 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:07:56,639 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:07:56,650 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:07:56,650 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:07:56" (1/1) ... [2024-11-08 23:07:56,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:07:56,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:56,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:07:56,728 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:07:56,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:07:56,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:56,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:07:56,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:07:56,735 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:07:56,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:07:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:57,170 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:07:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:57,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:07:57,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:57,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:07:57,531 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:07:57,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:07:57,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:57,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 23:07:57,656 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 23:07:57,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:07:57,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:57,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:07:57,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:07:57,661 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:07:57,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:07:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:58,420 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:07:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:58,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 23:07:58,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:22,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:08:22,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:08:23,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:23,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2024-11-08 23:08:23,604 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2024-11-08 23:08:23,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:08:23,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:23,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:08:23,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:08:23,608 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:08:23,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:08:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:24,496 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:08:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:24,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 23:08:24,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:25,225 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:08:25,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 23:08:27,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:27,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2024-11-08 23:08:27,637 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2024-11-08 23:08:27,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:08:27,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:27,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:08:27,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:08:27,643 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:08:27,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205223d0-36d7-46ed-bb7f-46f18d17772c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:08:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:28,776 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:08:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:29,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-11-08 23:08:29,217 INFO L278 TraceCheckSpWp]: Computing forward predicates...