./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p14.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC --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 422986a7dcf99d4b0e96a15a0ba07b8ed6118724772e8af056de2de5bc5122f8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:22:11,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:22:12,030 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-23 20:22:12,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:22:12,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:22:12,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:22:12,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:22:12,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:22:12,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:22:12,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:22:12,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:22:12,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:22:12,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:22:12,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:22:12,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:22:12,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:22:12,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:22:12,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:22:12,084 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:22:12,085 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:22:12,085 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:22:12,085 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:22:12,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:22:12,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:12,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:22:12,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:22:12,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:22:12,089 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:22:12,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:22:12,090 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:22:12,091 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_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 422986a7dcf99d4b0e96a15a0ba07b8ed6118724772e8af056de2de5bc5122f8 [2023-11-23 20:22:12,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:22:12,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:22:12,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:22:12,388 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:22:12,389 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:22:12,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p14.c [2023-11-23 20:22:15,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:22:15,761 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:22:15,761 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p14.c [2023-11-23 20:22:15,775 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/data/c1473908d/2b73dd15bf934949a06d6a46c0ab0c6f/FLAGee55d722f [2023-11-23 20:22:15,794 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/data/c1473908d/2b73dd15bf934949a06d6a46c0ab0c6f [2023-11-23 20:22:15,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:22:15,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:22:15,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:15,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:22:15,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:22:15,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:15" (1/1) ... [2023-11-23 20:22:15,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799d3564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:15, skipping insertion in model container [2023-11-23 20:22:15,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:15" (1/1) ... [2023-11-23 20:22:15,867 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:22:16,045 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p14.c[1259,1272] [2023-11-23 20:22:16,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:16,393 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:22:16,403 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p14.c[1259,1272] [2023-11-23 20:22:16,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:16,675 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:22:16,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16 WrapperNode [2023-11-23 20:22:16,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:16,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:16,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:22:16,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:22:16,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:16,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:17,047 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2405 [2023-11-23 20:22:17,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:17,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:22:17,048 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:22:17,049 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:22:17,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:17,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:17,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:17,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:17,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:17,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:17,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:17,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:17,412 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:22:17,413 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:22:17,413 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:22:17,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:22:17,414 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:17,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:17,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:22:17,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:22:17,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:22:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:22:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:22:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:22:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:22:17,856 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:22:17,859 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:22:20,076 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:22:24,004 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:22:24,004 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:22:24,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:24 BoogieIcfgContainer [2023-11-23 20:22:24,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:22:24,008 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:22:24,009 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:22:24,020 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:22:24,020 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:24" (1/1) ... [2023-11-23 20:22:24,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:22:24,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:24,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-23 20:22:24,100 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-23 20:22:24,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:22:24,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:24,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:22:24,779 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:22:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:22:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:22:25,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:22:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:22:25,914 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:22:25,949 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 20:22:25,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:22:25 ImpRootNode [2023-11-23 20:22:25,957 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:22:25,958 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:22:25,958 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:22:25,959 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:22:25,959 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:24" (3/4) ... [2023-11-23 20:22:25,961 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:22:25,963 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:22:25,964 INFO L158 Benchmark]: Toolchain (without parser) took 10161.90ms. Allocated memory was 136.3MB in the beginning and 666.9MB in the end (delta: 530.6MB). Free memory was 94.7MB in the beginning and 470.6MB in the end (delta: -375.8MB). Peak memory consumption was 155.2MB. Max. memory is 16.1GB. [2023-11-23 20:22:25,965 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 136.3MB. Free memory was 106.6MB in the beginning and 106.5MB in the end (delta: 118.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:22:25,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 873.21ms. Allocated memory is still 136.3MB. Free memory was 94.3MB in the beginning and 94.5MB in the end (delta: -214.3kB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2023-11-23 20:22:25,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 370.70ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 94.5MB in the beginning and 88.5MB in the end (delta: 6.0MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2023-11-23 20:22:25,967 INFO L158 Benchmark]: Boogie Preprocessor took 364.31ms. Allocated memory is still 174.1MB. Free memory was 88.5MB in the beginning and 103.7MB in the end (delta: -15.2MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2023-11-23 20:22:25,968 INFO L158 Benchmark]: RCFGBuilder took 6593.77ms. Allocated memory was 174.1MB in the beginning and 666.9MB in the end (delta: 492.8MB). Free memory was 103.7MB in the beginning and 242.0MB in the end (delta: -138.3MB). Peak memory consumption was 353.2MB. Max. memory is 16.1GB. [2023-11-23 20:22:25,969 INFO L158 Benchmark]: CodeCheck took 1949.20ms. Allocated memory is still 666.9MB. Free memory was 242.0MB in the beginning and 471.6MB in the end (delta: -229.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:22:25,969 INFO L158 Benchmark]: Witness Printer took 4.95ms. Allocated memory is still 666.9MB. Free memory was 471.6MB in the beginning and 470.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:22:25,974 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: 1.9s, 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 160, overapproximation of bitwiseAnd at line 150. 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_78 mask_SORT_78 = (SORT_78)-1 >> (sizeof(SORT_78) * 8 - 32); [L39] const SORT_78 msb_SORT_78 = (SORT_78)1 << (32 - 1); [L41] const SORT_107 mask_SORT_107 = (SORT_107)-1 >> (sizeof(SORT_107) * 8 - 4); [L42] const SORT_107 msb_SORT_107 = (SORT_107)1 << (4 - 1); [L44] const SORT_174 mask_SORT_174 = (SORT_174)-1 >> (sizeof(SORT_174) * 8 - 2); [L45] const SORT_174 msb_SORT_174 = (SORT_174)1 << (2 - 1); [L47] const SORT_7 var_8 = 0; [L48] const SORT_5 var_12 = 0; [L49] const SORT_7 var_16 = 2; [L50] const SORT_1 var_19 = 0; [L51] const SORT_3 var_26 = 0; [L52] const SORT_1 var_35 = 1; [L53] const SORT_7 var_57 = 1; [L54] const SORT_7 var_62 = 4; [L55] const SORT_7 var_64 = 5; [L56] const SORT_7 var_68 = 3; [L57] const SORT_78 var_80 = 0; [L58] const SORT_3 var_94 = 2; [L59] const SORT_7 var_124 = 7; [L60] const SORT_7 var_129 = 6; [L61] const SORT_3 var_183 = 31; [L63] SORT_1 input_2; [L64] SORT_3 input_4; [L65] SORT_5 input_6; [L66] SORT_3 input_171; [L67] SORT_3 input_172; [L68] SORT_3 input_173; [L69] SORT_3 input_182; [L70] SORT_3 input_192; [L71] SORT_3 input_193; [L72] SORT_3 input_194; [L73] SORT_3 input_197; [L74] SORT_3 input_216; [L75] SORT_3 input_217; [L76] SORT_3 input_218; [L77] SORT_3 input_221; [L78] SORT_3 input_223; [L79] SORT_174 input_237; [L80] SORT_174 input_238; [L81] SORT_174 input_239; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 [L83] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L84] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 [L84] SORT_5 state_13 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [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_3 [L90] SORT_3 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L91] SORT_3 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L92] SORT_3 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L93] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L94] SORT_3 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L95] SORT_3 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L97] SORT_7 init_10_arg_1 = var_8; [L98] state_9 = init_10_arg_1 [L99] SORT_5 init_14_arg_1 = var_12; [L100] state_13 = init_14_arg_1 [L101] SORT_1 init_21_arg_1 = var_19; [L102] state_20 = init_21_arg_1 [L103] SORT_3 init_28_arg_1 = var_26; [L104] state_27 = init_28_arg_1 [L105] SORT_3 init_30_arg_1 = var_26; [L106] state_29 = init_30_arg_1 [L107] SORT_3 init_40_arg_1 = var_26; [L108] state_39 = init_40_arg_1 [L109] SORT_3 init_42_arg_1 = var_26; [L110] state_41 = init_42_arg_1 [L111] SORT_3 init_44_arg_1 = var_26; [L112] state_43 = init_44_arg_1 [L113] SORT_3 init_46_arg_1 = var_26; [L114] state_45 = init_46_arg_1 [L115] SORT_3 init_48_arg_1 = var_26; [L116] state_47 = init_48_arg_1 [L117] SORT_3 init_50_arg_1 = var_26; [L118] state_49 = init_50_arg_1 [L119] SORT_3 init_52_arg_1 = var_26; [L120] state_51 = init_52_arg_1 [L121] SORT_3 init_54_arg_1 = var_26; [L122] state_53 = init_54_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, mask_SORT_107=15, mask_SORT_174=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_78=4294967295, mask_SORT_7=7, msb_SORT_107=8, msb_SORT_174=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_78=2147483648, msb_SORT_7=4, state_13=0, state_20=0, state_27=0, state_29=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_9=0, var_124=7, var_129=6, var_12=0, var_16=2, var_183=31, var_19=0, var_26=0, var_35=1, var_57=1, var_62=4, var_64=5, var_68=3, var_80=0, var_8=0, var_94=2] [L125] input_2 = __VERIFIER_nondet_uchar() [L126] input_4 = __VERIFIER_nondet_uchar() [L127] input_6 = __VERIFIER_nondet_ushort() [L128] input_171 = __VERIFIER_nondet_uchar() [L129] input_172 = __VERIFIER_nondet_uchar() [L130] input_173 = __VERIFIER_nondet_uchar() [L131] input_182 = __VERIFIER_nondet_uchar() [L132] input_192 = __VERIFIER_nondet_uchar() [L133] input_193 = __VERIFIER_nondet_uchar() [L134] input_194 = __VERIFIER_nondet_uchar() [L135] input_197 = __VERIFIER_nondet_uchar() [L136] input_216 = __VERIFIER_nondet_uchar() [L137] input_217 = __VERIFIER_nondet_uchar() [L138] input_218 = __VERIFIER_nondet_uchar() [L139] input_221 = __VERIFIER_nondet_uchar() [L140] input_223 = __VERIFIER_nondet_uchar() [L141] input_237 = __VERIFIER_nondet_uchar() [L142] input_238 = __VERIFIER_nondet_uchar() [L143] input_239 = __VERIFIER_nondet_uchar() [L146] SORT_7 var_11_arg_0 = state_9; [L147] SORT_1 var_11 = var_11_arg_0 >> 2; [L148] SORT_5 var_15_arg_0 = state_13; [L149] SORT_7 var_15 = var_15_arg_0 >> 9; [L150] EXPR var_15 & mask_SORT_7 [L150] var_15 = var_15 & mask_SORT_7 [L151] SORT_7 var_17_arg_0 = var_15; [L152] SORT_7 var_17_arg_1 = var_16; [L153] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L154] SORT_1 var_18_arg_0 = var_17; [L155] SORT_1 var_18 = ~var_18_arg_0; [L156] SORT_1 var_22_arg_0 = state_20; [L157] SORT_1 var_22 = ~var_22_arg_0; [L158] SORT_1 var_23_arg_0 = var_18; [L159] SORT_1 var_23_arg_1 = var_22; [L160] EXPR var_23_arg_0 | var_23_arg_1 [L160] SORT_1 var_23 = var_23_arg_0 | var_23_arg_1; [L161] SORT_1 var_24_arg_0 = var_11; [L162] SORT_1 var_24_arg_1 = var_23; [L163] EXPR var_24_arg_0 & var_24_arg_1 [L163] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L164] SORT_1 var_25_arg_0 = var_24; [L165] SORT_1 var_25 = ~var_25_arg_0; [L166] SORT_3 var_31_arg_0 = state_27; [L167] SORT_3 var_31_arg_1 = state_29; [L168] SORT_1 var_31 = var_31_arg_0 == var_31_arg_1; [L169] SORT_1 var_32_arg_0 = var_25; [L170] SORT_1 var_32_arg_1 = var_31; [L171] EXPR var_32_arg_0 | var_32_arg_1 [L171] SORT_1 var_32 = var_32_arg_0 | var_32_arg_1; [L172] SORT_1 var_36_arg_0 = var_32; [L173] SORT_1 var_36 = ~var_36_arg_0; [L174] SORT_1 var_37_arg_0 = var_35; [L175] SORT_1 var_37_arg_1 = var_36; [L176] EXPR var_37_arg_0 & var_37_arg_1 [L176] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L177] EXPR var_37 & mask_SORT_1 [L177] var_37 = var_37 & mask_SORT_1 [L178] SORT_1 bad_38_arg_0 = var_37; [L179] CALL __VERIFIER_assert(!(bad_38_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 136.3MB. Free memory was 106.6MB in the beginning and 106.5MB in the end (delta: 118.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 873.21ms. Allocated memory is still 136.3MB. Free memory was 94.3MB in the beginning and 94.5MB in the end (delta: -214.3kB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 370.70ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 94.5MB in the beginning and 88.5MB in the end (delta: 6.0MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 364.31ms. Allocated memory is still 174.1MB. Free memory was 88.5MB in the beginning and 103.7MB in the end (delta: -15.2MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6593.77ms. Allocated memory was 174.1MB in the beginning and 666.9MB in the end (delta: 492.8MB). Free memory was 103.7MB in the beginning and 242.0MB in the end (delta: -138.3MB). Peak memory consumption was 353.2MB. Max. memory is 16.1GB. * CodeCheck took 1949.20ms. Allocated memory is still 666.9MB. Free memory was 242.0MB in the beginning and 471.6MB in the end (delta: -229.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.95ms. Allocated memory is still 666.9MB. Free memory was 471.6MB in the beginning and 470.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:22:26,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC --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 422986a7dcf99d4b0e96a15a0ba07b8ed6118724772e8af056de2de5bc5122f8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:22:28,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:22:29,045 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-23 20:22:29,092 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:22:29,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:22:29,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:22:29,095 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:22:29,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:22:29,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:22:29,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:22:29,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:22:29,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:22:29,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:22:29,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:22:29,105 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:22:29,106 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:22:29,106 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:22:29,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:22:29,107 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:22:29,109 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:22:29,109 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:22:29,110 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:22:29,110 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:22:29,111 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:22:29,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:22:29,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:29,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:22:29,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:22:29,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:22:29,113 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:22:29,115 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:22:29,115 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:22:29,115 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:22:29,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:22:29,116 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 422986a7dcf99d4b0e96a15a0ba07b8ed6118724772e8af056de2de5bc5122f8 [2023-11-23 20:22:29,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:22:29,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:22:29,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:22:29,602 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:22:29,603 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:22:29,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p14.c [2023-11-23 20:22:32,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:22:33,445 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:22:33,445 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p14.c [2023-11-23 20:22:33,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/data/d33839033/e2a79254b80a49afa8a9d61acaa33a0f/FLAG930c1a63f [2023-11-23 20:22:33,492 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/data/d33839033/e2a79254b80a49afa8a9d61acaa33a0f [2023-11-23 20:22:33,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:22:33,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:22:33,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:33,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:22:33,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:22:33,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:33" (1/1) ... [2023-11-23 20:22:33,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5612b86d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:33, skipping insertion in model container [2023-11-23 20:22:33,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:33" (1/1) ... [2023-11-23 20:22:33,614 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:22:33,859 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p14.c[1259,1272] [2023-11-23 20:22:34,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:34,220 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:22:34,234 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p14.c[1259,1272] [2023-11-23 20:22:34,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:34,410 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:22:34,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34 WrapperNode [2023-11-23 20:22:34,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:34,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:34,412 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:22:34,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:22:34,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,475 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,575 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1081 [2023-11-23 20:22:34,575 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:34,576 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:22:34,576 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:22:34,577 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:22:34,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,725 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:22:34,726 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:22:34,727 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:22:34,727 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:22:34,728 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:34" (1/1) ... [2023-11-23 20:22:34,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:34,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:22:34,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:22:34,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:22:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:22:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:22:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:22:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:22:35,159 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:22:35,161 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:22:36,732 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:22:36,831 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:22:36,832 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:22:36,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:36 BoogieIcfgContainer [2023-11-23 20:22:36,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:22:36,835 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:22:36,835 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:22:36,846 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:22:36,847 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:36" (1/1) ... [2023-11-23 20:22:36,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:22:36,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:36,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-23 20:22:36,923 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-23 20:22:36,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:22:36,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:36,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:22:36,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:22:36,929 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:22:36,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:22:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:37,431 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:22:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:37,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 20:22:37,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:37,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:37,865 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:22:37,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:22:38,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:38,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-23 20:22:38,116 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-23 20:22:38,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:22:38,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:38,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:22:38,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:22:38,120 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:22:38,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:22:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:39,099 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:22:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:39,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-23 20:22:39,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:40,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:40,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:22:41,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:41,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-23 20:22:41,794 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-23 20:22:41,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:22:41,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:41,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:22:41,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:22:41,798 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:22:41,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:22:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:43,241 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:22:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:43,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 1770 conjuncts, 126 conjunts are in the unsatisfiable core [2023-11-23 20:22:43,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:45,848 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:45,861 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:22:45,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:22:49,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:49,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 19 states and 34 transitions. [2023-11-23 20:22:49,908 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 34 transitions. [2023-11-23 20:22:49,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:22:49,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:49,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:22:49,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:22:49,910 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:22:49,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8e6e0-d196-4e48-8b38-6fe5eb572426/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 20:22:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:51,825 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:22:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:52,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 2604 conjuncts, 181 conjunts are in the unsatisfiable core [2023-11-23 20:22:52,632 INFO L285 TraceCheckSpWp]: Computing forward predicates...