./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV --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 bee37cc3aa930a1b9dc8d03049770a16229b9136afc75c48614cf8a9ab0bb811 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:07:08,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:07:08,747 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-12 00:07:08,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:07:08,758 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:07:08,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:07:08,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:07:08,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:07:08,810 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:07:08,815 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:07:08,816 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:07:08,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:07:08,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:07:08,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:07:08,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:07:08,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:07:08,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:07:08,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:07:08,821 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:07:08,822 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:07:08,822 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:07:08,823 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:07:08,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:07:08,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:07:08,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:07:08,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:07:08,827 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:07:08,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:07:08,828 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:07:08,828 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_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bee37cc3aa930a1b9dc8d03049770a16229b9136afc75c48614cf8a9ab0bb811 [2023-11-12 00:07:09,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:07:09,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:07:09,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:07:09,141 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:07:09,142 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:07:09,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c [2023-11-12 00:07:12,248 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:07:12,465 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:07:12,466 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c [2023-11-12 00:07:12,477 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/data/47ffb9e3f/8ba149d88c7345e28d04b1bb6b2a8bfe/FLAG5c023911f [2023-11-12 00:07:12,501 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/data/47ffb9e3f/8ba149d88c7345e28d04b1bb6b2a8bfe [2023-11-12 00:07:12,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:07:12,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:07:12,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:07:12,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:07:12,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:07:12,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:12" (1/1) ... [2023-11-12 00:07:12,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54d61426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:12, skipping insertion in model container [2023-11-12 00:07:12,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:12" (1/1) ... [2023-11-12 00:07:12,550 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:07:12,705 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_b7ba8af2-4a2b-463f-876c-7ad38956beb7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c[1245,1258] [2023-11-12 00:07:12,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:07:12,796 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:07:12,807 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_b7ba8af2-4a2b-463f-876c-7ad38956beb7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c[1245,1258] [2023-11-12 00:07:12,878 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:07:12,895 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:07:12,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:12 WrapperNode [2023-11-12 00:07:12,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:07:12,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:07:12,897 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:07:12,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:07:12,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:12" (1/1) ... [2023-11-12 00:07:12,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:12" (1/1) ... [2023-11-12 00:07:13,004 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 386 [2023-11-12 00:07:13,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:07:13,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:07:13,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:07:13,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:07:13,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:12" (1/1) ... [2023-11-12 00:07:13,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:12" (1/1) ... [2023-11-12 00:07:13,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:12" (1/1) ... [2023-11-12 00:07:13,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:12" (1/1) ... [2023-11-12 00:07:13,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:12" (1/1) ... [2023-11-12 00:07:13,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:12" (1/1) ... [2023-11-12 00:07:13,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:12" (1/1) ... [2023-11-12 00:07:13,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:12" (1/1) ... [2023-11-12 00:07:13,096 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:07:13,101 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:07:13,101 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:07:13,101 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:07:13,102 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:12" (1/1) ... [2023-11-12 00:07:13,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:07:13,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:07:13,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:07:13,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:07:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:07:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:07:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:07:13,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:07:13,363 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:07:13,366 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:07:14,197 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:07:14,730 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:07:14,730 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:07:14,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:14 BoogieIcfgContainer [2023-11-12 00:07:14,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:07:14,736 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:07:14,736 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:07:14,747 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:07:14,747 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:14" (1/1) ... [2023-11-12 00:07:14,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:07:14,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:14,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-12 00:07:14,835 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-12 00:07:14,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:07:14,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:14,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:07:15,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:07:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:07:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:07:16,210 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:07:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:07:16,732 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-12 00:07:16,785 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-12 00:07:16,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:07:16 ImpRootNode [2023-11-12 00:07:16,797 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:07:16,799 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:07:16,799 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:07:16,800 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:07:16,800 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:14" (3/4) ... [2023-11-12 00:07:16,805 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:07:16,806 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:07:16,808 INFO L158 Benchmark]: Toolchain (without parser) took 4301.39ms. Allocated memory was 165.7MB in the beginning and 203.4MB in the end (delta: 37.7MB). Free memory was 117.1MB in the beginning and 78.9MB in the end (delta: 38.2MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. [2023-11-12 00:07:16,809 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 165.7MB. Free memory is still 134.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:07:16,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.83ms. Allocated memory is still 165.7MB. Free memory was 116.8MB in the beginning and 101.4MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:07:16,813 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.02ms. Allocated memory is still 165.7MB. Free memory was 101.4MB in the beginning and 93.6MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 00:07:16,814 INFO L158 Benchmark]: Boogie Preprocessor took 94.11ms. Allocated memory is still 165.7MB. Free memory was 93.6MB in the beginning and 90.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:07:16,815 INFO L158 Benchmark]: RCFGBuilder took 1633.82ms. Allocated memory was 165.7MB in the beginning and 203.4MB in the end (delta: 37.7MB). Free memory was 90.2MB in the beginning and 88.5MB in the end (delta: 1.6MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2023-11-12 00:07:16,818 INFO L158 Benchmark]: CodeCheck took 2060.84ms. Allocated memory is still 203.4MB. Free memory was 88.5MB in the beginning and 79.9MB in the end (delta: 8.6MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2023-11-12 00:07:16,819 INFO L158 Benchmark]: Witness Printer took 7.72ms. Allocated memory is still 203.4MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:07:16,830 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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 94, overapproximation of bitwiseAnd at line 66. 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_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 3); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (3 - 1); [L32] const SORT_26 mask_SORT_26 = (SORT_26)-1 >> (sizeof(SORT_26) * 8 - 2); [L33] const SORT_26 msb_SORT_26 = (SORT_26)1 << (2 - 1); [L35] const SORT_1 var_11 = 0; [L36] const SORT_5 var_15 = 0; [L37] const SORT_5 var_21 = 5; [L38] const SORT_5 var_23 = 4; [L39] const SORT_1 var_39 = 1; [L41] SORT_1 input_2; [L42] SORT_1 input_3; [L43] SORT_1 input_4; [L44] SORT_5 input_6; [L45] SORT_5 input_7; [L46] SORT_1 input_8; [L47] SORT_5 input_9; [L48] SORT_5 input_10; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L50] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L51] SORT_5 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L52] SORT_1 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L53] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L55] SORT_1 init_13_arg_1 = var_11; [L56] state_12 = init_13_arg_1 [L57] SORT_5 init_17_arg_1 = var_15; [L58] state_16 = init_17_arg_1 [L59] SORT_1 init_19_arg_1 = var_11; [L60] state_18 = init_19_arg_1 [L61] SORT_5 init_30_arg_1 = var_15; [L62] state_29 = init_30_arg_1 VAL [init_13_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, mask_SORT_1=1, mask_SORT_26=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_26=2, msb_SORT_5=4, state_12=0, state_16=0, state_18=0, state_29=0, var_11=0, var_15=0, var_21=5, var_23=4, var_39=1] [L65] input_2 = __VERIFIER_nondet_uchar() [L66] EXPR input_2 & mask_SORT_1 [L66] input_2 = input_2 & mask_SORT_1 [L67] input_3 = __VERIFIER_nondet_uchar() [L68] EXPR input_3 & mask_SORT_1 [L68] input_3 = input_3 & mask_SORT_1 [L69] input_4 = __VERIFIER_nondet_uchar() [L70] input_6 = __VERIFIER_nondet_uchar() [L71] input_7 = __VERIFIER_nondet_uchar() [L72] input_8 = __VERIFIER_nondet_uchar() [L73] input_9 = __VERIFIER_nondet_uchar() [L74] input_10 = __VERIFIER_nondet_uchar() [L77] SORT_1 var_14_arg_0 = state_12; [L78] SORT_1 var_14 = ~var_14_arg_0; [L79] SORT_1 var_20_arg_0 = state_18; [L80] SORT_5 var_20_arg_1 = state_16; [L81] SORT_5 var_20_arg_2 = input_7; [L82] SORT_5 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L83] EXPR var_20 & mask_SORT_5 [L83] var_20 = var_20 & mask_SORT_5 [L84] SORT_5 var_24_arg_0 = var_20; [L85] SORT_5 var_24_arg_1 = var_23; [L86] SORT_1 var_24 = var_24_arg_0 == var_24_arg_1; [L87] SORT_1 var_25_arg_0 = var_24; [L88] SORT_1 var_25 = ~var_25_arg_0; [L89] SORT_5 var_22_arg_0 = var_20; [L90] SORT_5 var_22_arg_1 = var_21; [L91] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L92] SORT_1 var_27_arg_0 = var_25; [L93] SORT_1 var_27_arg_1 = var_22; [L94] EXPR ((SORT_26)var_27_arg_0 << 1) | var_27_arg_1 [L94] SORT_26 var_27 = ((SORT_26)var_27_arg_0 << 1) | var_27_arg_1; [L95] EXPR var_27 & mask_SORT_26 [L95] var_27 = var_27 & mask_SORT_26 [L96] SORT_26 var_28_arg_0 = var_27; [L97] SORT_1 var_28 = var_28_arg_0 == mask_SORT_26; [L98] SORT_1 var_31_arg_0 = state_18; [L99] SORT_5 var_31_arg_1 = state_29; [L100] SORT_5 var_31_arg_2 = input_7; [L101] SORT_5 var_31 = var_31_arg_0 ? var_31_arg_1 : var_31_arg_2; [L102] EXPR var_31 & mask_SORT_5 [L102] var_31 = var_31 & mask_SORT_5 [L103] SORT_5 var_32_arg_0 = var_31; [L104] SORT_5 var_32_arg_1 = var_21; [L105] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L106] SORT_1 var_33_arg_0 = var_25; [L107] SORT_1 var_33_arg_1 = var_32; [L108] EXPR ((SORT_26)var_33_arg_0 << 1) | var_33_arg_1 [L108] SORT_26 var_33 = ((SORT_26)var_33_arg_0 << 1) | var_33_arg_1; [L109] EXPR var_33 & mask_SORT_26 [L109] var_33 = var_33 & mask_SORT_26 [L110] SORT_26 var_34_arg_0 = var_33; [L111] SORT_1 var_34 = var_34_arg_0 == mask_SORT_26; [L112] SORT_1 var_35_arg_0 = var_28; [L113] SORT_1 var_35_arg_1 = var_34; [L114] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L115] SORT_1 var_36_arg_0 = var_14; [L116] SORT_1 var_36_arg_1 = var_35; [L117] EXPR var_36_arg_0 | var_36_arg_1 [L117] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L118] SORT_1 var_40_arg_0 = var_36; [L119] SORT_1 var_40 = ~var_40_arg_0; [L120] SORT_1 var_41_arg_0 = var_39; [L121] SORT_1 var_41_arg_1 = var_40; [L122] EXPR var_41_arg_0 & var_41_arg_1 [L122] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L123] EXPR var_41 & mask_SORT_1 [L123] var_41 = var_41 & mask_SORT_1 [L124] SORT_1 bad_42_arg_0 = var_41; [L125] CALL __VERIFIER_assert(!(bad_42_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 0.37ms. Allocated memory is still 165.7MB. Free memory is still 134.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.83ms. Allocated memory is still 165.7MB. Free memory was 116.8MB in the beginning and 101.4MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.02ms. Allocated memory is still 165.7MB. Free memory was 101.4MB in the beginning and 93.6MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.11ms. Allocated memory is still 165.7MB. Free memory was 93.6MB in the beginning and 90.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1633.82ms. Allocated memory was 165.7MB in the beginning and 203.4MB in the end (delta: 37.7MB). Free memory was 90.2MB in the beginning and 88.5MB in the end (delta: 1.6MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. * CodeCheck took 2060.84ms. Allocated memory is still 203.4MB. Free memory was 88.5MB in the beginning and 79.9MB in the end (delta: 8.6MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Witness Printer took 7.72ms. Allocated memory is still 203.4MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:07:16,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/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_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV --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 bee37cc3aa930a1b9dc8d03049770a16229b9136afc75c48614cf8a9ab0bb811 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:07:19,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:07:19,590 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-12 00:07:19,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:07:19,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:07:19,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:07:19,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:07:19,635 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:07:19,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:07:19,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:07:19,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:07:19,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:07:19,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:07:19,639 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:07:19,639 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:07:19,640 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:07:19,641 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:07:19,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:07:19,642 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:07:19,642 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:07:19,643 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:07:19,644 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:07:19,644 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:07:19,645 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:07:19,645 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:07:19,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:07:19,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:07:19,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:07:19,647 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:07:19,648 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:07:19,648 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:07:19,649 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:07:19,649 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:07:19,649 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:07:19,649 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_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bee37cc3aa930a1b9dc8d03049770a16229b9136afc75c48614cf8a9ab0bb811 [2023-11-12 00:07:20,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:07:20,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:07:20,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:07:20,033 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:07:20,034 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:07:20,036 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c [2023-11-12 00:07:23,437 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:07:23,710 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:07:23,711 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c [2023-11-12 00:07:23,724 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/data/71945f453/da6ab4e0118e4114b2641de6f1469806/FLAGa15bf2012 [2023-11-12 00:07:23,740 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/data/71945f453/da6ab4e0118e4114b2641de6f1469806 [2023-11-12 00:07:23,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:07:23,745 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:07:23,746 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:07:23,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:07:23,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:07:23,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:23" (1/1) ... [2023-11-12 00:07:23,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b693b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:23, skipping insertion in model container [2023-11-12 00:07:23,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:23" (1/1) ... [2023-11-12 00:07:23,801 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:07:23,975 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_b7ba8af2-4a2b-463f-876c-7ad38956beb7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c[1245,1258] [2023-11-12 00:07:24,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:07:24,048 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:07:24,062 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_b7ba8af2-4a2b-463f-876c-7ad38956beb7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c[1245,1258] [2023-11-12 00:07:24,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:07:24,115 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:07:24,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:24 WrapperNode [2023-11-12 00:07:24,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:07:24,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:07:24,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:07:24,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:07:24,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:24" (1/1) ... [2023-11-12 00:07:24,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:24" (1/1) ... [2023-11-12 00:07:24,174 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 206 [2023-11-12 00:07:24,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:07:24,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:07:24,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:07:24,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:07:24,221 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:24" (1/1) ... [2023-11-12 00:07:24,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:24" (1/1) ... [2023-11-12 00:07:24,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:24" (1/1) ... [2023-11-12 00:07:24,232 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:24" (1/1) ... [2023-11-12 00:07:24,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:24" (1/1) ... [2023-11-12 00:07:24,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:24" (1/1) ... [2023-11-12 00:07:24,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:24" (1/1) ... [2023-11-12 00:07:24,284 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:24" (1/1) ... [2023-11-12 00:07:24,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:07:24,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:07:24,293 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:07:24,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:07:24,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:24" (1/1) ... [2023-11-12 00:07:24,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:07:24,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:07:24,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:07:24,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:07:24,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:07:24,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:07:24,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:07:24,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:07:24,466 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:07:24,468 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:07:24,825 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:07:24,896 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:07:24,896 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:07:24,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:24 BoogieIcfgContainer [2023-11-12 00:07:24,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:07:24,900 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:07:24,900 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:07:24,911 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:07:24,911 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:24" (1/1) ... [2023-11-12 00:07:24,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:07:24,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:24,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-12 00:07:24,969 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-12 00:07:24,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:07:24,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:24,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:07:24,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:07:24,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:07:24,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-12 00:07:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:25,142 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:07:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:25,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-12 00:07:25,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:07:25,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:25,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-12 00:07:25,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:25,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-12 00:07:25,608 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-12 00:07:25,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:07:25,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:25,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:07:25,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:07:25,613 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:07:25,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-12 00:07:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:25,846 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:07:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:25,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-12 00:07:25,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:07:26,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:26,957 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-12 00:07:26,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:07:27,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:27,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-12 00:07:27,626 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-12 00:07:27,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:07:27,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:27,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:07:27,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:07:27,629 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:07:27,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 00:07:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:27,945 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:07:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:28,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 116 conjunts are in the unsatisfiable core [2023-11-12 00:07:28,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:07:30,648 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:30,651 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-12 00:07:30,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:07:32,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:32,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2023-11-12 00:07:32,701 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2023-11-12 00:07:32,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:07:32,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:32,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:07:32,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:07:32,706 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:07:32,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-12 00:07:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:33,061 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:07:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:33,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 147 conjunts are in the unsatisfiable core [2023-11-12 00:07:33,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:07:37,972 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:07:37,975 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-12 00:07:37,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:07:44,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:44,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-12 00:07:44,826 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-12 00:07:44,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:07:44,827 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-12 00:07:44,838 INFO L753 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-12 00:07:45,102 INFO L560 CodeCheckObserver]: Invariant with dag size 49 [2023-11-12 00:07:45,114 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~input_6~0#1 : bv8 :: ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~input_6~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_16~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~input_6~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_29~0) could not be translated [2023-11-12 00:07:45,118 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~input_6~0#1 : bv8 :: ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~input_6~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_16~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~input_6~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_29~0) could not be translated [2023-11-12 00:07:45,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:07:45 ImpRootNode [2023-11-12 00:07:45,120 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:07:45,121 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:07:45,121 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:07:45,121 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:07:45,122 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:24" (3/4) ... [2023-11-12 00:07:45,124 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:07:45,134 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-12 00:07:45,134 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-12 00:07:45,135 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 00:07:45,135 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:07:45,136 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:07:45,286 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:07:45,287 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-12 00:07:45,287 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:07:45,288 INFO L158 Benchmark]: Toolchain (without parser) took 21542.44ms. Allocated memory was 81.8MB in the beginning and 356.5MB in the end (delta: 274.7MB). Free memory was 57.7MB in the beginning and 257.2MB in the end (delta: -199.5MB). Peak memory consumption was 76.6MB. Max. memory is 16.1GB. [2023-11-12 00:07:45,288 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 81.8MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:07:45,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.13ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 42.7MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:07:45,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.57ms. Allocated memory is still 81.8MB. Free memory was 42.7MB in the beginning and 40.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:07:45,289 INFO L158 Benchmark]: Boogie Preprocessor took 116.81ms. Allocated memory is still 81.8MB. Free memory was 40.2MB in the beginning and 59.7MB in the end (delta: -19.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:07:45,289 INFO L158 Benchmark]: RCFGBuilder took 605.95ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 59.5MB in the beginning and 81.1MB in the end (delta: -21.7MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2023-11-12 00:07:45,290 INFO L158 Benchmark]: CodeCheck took 20220.33ms. Allocated memory was 107.0MB in the beginning and 356.5MB in the end (delta: 249.6MB). Free memory was 81.1MB in the beginning and 263.5MB in the end (delta: -182.3MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2023-11-12 00:07:45,290 INFO L158 Benchmark]: Witness Printer took 166.04ms. Allocated memory is still 356.5MB. Free memory was 263.5MB in the beginning and 257.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:07:45,293 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: 19.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 266 IncrementalHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 4 mSDtfsCounter, 266 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 362 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3831 ImplicationChecksByTransitivity, 10.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 6 QuantifiedInterpolants, 858 SizeOfPredicates, 349 NumberOfNonLiveVariables, 1000 ConjunctsInSsa, 336 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 8/24 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 - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant [2023-11-12 00:07:45,313 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~input_6~0#1 : bv8 :: ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~input_6~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_16~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~input_6~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_29~0) could not be translated [2023-11-12 00:07:45,314 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~input_6~0#1 : bv8 :: ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~input_6~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_16~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~input_6~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_29~0) could not be translated Derived loop invariant: (((((((((((1 == mask_SORT_1) && (1 == var_39)) && (4 == var_23)) && (7 == mask_SORT_5)) && (0 == state_12)) && (mask_SORT_26 == 3)) && (var_15 == 0)) && (var_21 == 5)) && (var_11 == 0)) || ((((((((((1 == mask_SORT_1) && (1 == var_39)) && (4 == var_23)) && (1 == state_12)) && (7 == mask_SORT_5)) && (0 == state_18)) && (mask_SORT_26 == 3)) && (var_15 == 0)) && (var_21 == 5)) && (var_11 == 0))) || ((((((((((1 == mask_SORT_1) && (1 == var_39)) && (4 == var_23)) && (1 == state_12)) && (1 == state_18)) && (7 == mask_SORT_5)) && (mask_SORT_26 == 3)) && (var_15 == 0)) && (var_21 == 5)) && (var_11 == 0))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 81.8MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.13ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 42.7MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.57ms. Allocated memory is still 81.8MB. Free memory was 42.7MB in the beginning and 40.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.81ms. Allocated memory is still 81.8MB. Free memory was 40.2MB in the beginning and 59.7MB in the end (delta: -19.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 605.95ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 59.5MB in the beginning and 81.1MB in the end (delta: -21.7MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * CodeCheck took 20220.33ms. Allocated memory was 107.0MB in the beginning and 356.5MB in the end (delta: 249.6MB). Free memory was 81.1MB in the beginning and 263.5MB in the end (delta: -182.3MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Witness Printer took 166.04ms. Allocated memory is still 356.5MB. Free memory was 263.5MB in the beginning and 257.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~input_6~0#1 : bv8 :: ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~input_6~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_16~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~input_6~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_29~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~input_6~0#1 : bv8 :: ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~input_6~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_16~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~input_6~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_29~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~input_6~0#1 : bv8 :: ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~input_6~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_16~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~input_6~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_29~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~input_6~0#1 : bv8 :: ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~input_6~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_16~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~input_6~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_29~0) could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-12 00:07:45,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ba8af2-4a2b-463f-876c-7ad38956beb7/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE