./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 860a86adaee5a68a8179b30e590ccdfc140c947e3c27f31baed5d0226260962e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:32:16,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:32:16,484 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 22:32:16,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:32:16,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:32:16,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:32:16,509 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:32:16,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:32:16,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:32:16,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:32:16,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:32:16,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:32:16,512 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:32:16,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:32:16,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:32:16,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:32:16,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:32:16,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:32:16,515 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:32:16,515 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:32:16,516 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:32:16,516 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:32:16,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:32:16,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:32:16,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:32:16,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:32:16,519 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:32:16,519 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:32:16,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:32:16,520 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:32:16,520 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_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 860a86adaee5a68a8179b30e590ccdfc140c947e3c27f31baed5d0226260962e [2023-12-02 22:32:16,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:32:16,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:32:16,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:32:16,739 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:32:16,740 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:32:16,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c [2023-12-02 22:32:19,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:32:19,703 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:32:19,703 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c [2023-12-02 22:32:19,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/data/13af195ae/d67a6c8def054a48a9781e7cb828aed3/FLAG7c77c7d3c [2023-12-02 22:32:19,725 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/data/13af195ae/d67a6c8def054a48a9781e7cb828aed3 [2023-12-02 22:32:19,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:32:19,729 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:32:19,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:32:19,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:32:19,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:32:19,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:32:19" (1/1) ... [2023-12-02 22:32:19,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ea7733c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:19, skipping insertion in model container [2023-12-02 22:32:19,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:32:19" (1/1) ... [2023-12-02 22:32:19,758 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:32:19,878 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_c5b10f88-95f6-46d3-b396-9de192b8979c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c[1250,1263] [2023-12-02 22:32:19,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:32:19,925 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:32:19,935 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_c5b10f88-95f6-46d3-b396-9de192b8979c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c[1250,1263] [2023-12-02 22:32:19,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:32:19,969 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:32:19,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:19 WrapperNode [2023-12-02 22:32:19,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:32:19,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:32:19,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:32:19,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:32:19,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:19" (1/1) ... [2023-12-02 22:32:19,985 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:19" (1/1) ... [2023-12-02 22:32:20,024 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 171 [2023-12-02 22:32:20,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:32:20,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:32:20,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:32:20,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:32:20,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:19" (1/1) ... [2023-12-02 22:32:20,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:19" (1/1) ... [2023-12-02 22:32:20,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:19" (1/1) ... [2023-12-02 22:32:20,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:19" (1/1) ... [2023-12-02 22:32:20,050 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:19" (1/1) ... [2023-12-02 22:32:20,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:19" (1/1) ... [2023-12-02 22:32:20,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:19" (1/1) ... [2023-12-02 22:32:20,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:19" (1/1) ... [2023-12-02 22:32:20,079 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:32:20,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:32:20,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:32:20,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:32:20,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:19" (1/1) ... [2023-12-02 22:32:20,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:32:20,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:32:20,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:32:20,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:32:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:32:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:32:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:32:20,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:32:20,246 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:32:20,248 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:32:20,515 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:32:20,695 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:32:20,696 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:32:20,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:32:20 BoogieIcfgContainer [2023-12-02 22:32:20,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:32:20,699 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:32:20,699 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:32:20,709 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:32:20,710 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:32:20" (1/1) ... [2023-12-02 22:32:20,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:32:20,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:20,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:32:20,763 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:32:20,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:32:20,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:20,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:32:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:32:20,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:32:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:32:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:32:21,140 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:32:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:32:21,217 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:32:21,240 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-02 22:32:21,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:32:21 ImpRootNode [2023-12-02 22:32:21,245 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:32:21,246 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:32:21,246 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:32:21,246 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:32:21,247 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:32:20" (3/4) ... [2023-12-02 22:32:21,249 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:32:21,250 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:32:21,252 INFO L158 Benchmark]: Toolchain (without parser) took 1521.75ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 93.5MB in the beginning and 110.1MB in the end (delta: -16.6MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2023-12-02 22:32:21,252 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 94.4MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:32:21,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.06ms. Allocated memory is still 138.4MB. Free memory was 93.3MB in the beginning and 81.2MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:32:21,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.56ms. Allocated memory is still 138.4MB. Free memory was 81.2MB in the beginning and 77.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:32:21,254 INFO L158 Benchmark]: Boogie Preprocessor took 53.53ms. Allocated memory is still 138.4MB. Free memory was 76.9MB in the beginning and 109.2MB in the end (delta: -32.3MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2023-12-02 22:32:21,255 INFO L158 Benchmark]: RCFGBuilder took 607.65ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 109.2MB in the beginning and 136.5MB in the end (delta: -27.3MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2023-12-02 22:32:21,256 INFO L158 Benchmark]: CodeCheck took 546.50ms. Allocated memory is still 174.1MB. Free memory was 136.5MB in the beginning and 110.1MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-02 22:32:21,256 INFO L158 Benchmark]: Witness Printer took 4.68ms. Allocated memory is still 174.1MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:32:21,260 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 58. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 3); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (3 - 1); [L32] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 32); [L33] const SORT_7 msb_SORT_7 = (SORT_7)1 << (32 - 1); [L35] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 2); [L36] const SORT_21 msb_SORT_21 = (SORT_21)1 << (2 - 1); [L38] const SORT_3 var_4 = 2; [L39] const SORT_7 var_9 = 2; [L40] const SORT_1 var_13 = 1; [L41] const SORT_3 var_17 = 6; [L43] SORT_1 input_2; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L45] SORT_3 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L46] SORT_3 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L48] SORT_3 init_6_arg_1 = var_4; [L49] state_5 = init_6_arg_1 [L50] SORT_3 init_19_arg_1 = var_17; [L51] state_18 = init_19_arg_1 VAL [init_19_arg_1=6, init_6_arg_1=2, mask_SORT_1=1, mask_SORT_21=3, mask_SORT_3=7, mask_SORT_7=4294967295, msb_SORT_1=1, msb_SORT_21=2, msb_SORT_3=4, msb_SORT_7=2147483648, state_18=6, state_5=2, var_13=1, var_17=6, var_4=2, var_9=2] [L54] input_2 = __VERIFIER_nondet_uchar() [L57] SORT_3 var_8_arg_0 = state_5; [L58] EXPR var_8_arg_0 & mask_SORT_3 [L58] var_8_arg_0 = var_8_arg_0 & mask_SORT_3 [L59] SORT_7 var_8 = var_8_arg_0; [L60] SORT_7 var_10_arg_0 = var_8; [L61] SORT_7 var_10_arg_1 = var_9; [L62] SORT_1 var_10 = var_10_arg_0 >= var_10_arg_1; [L63] SORT_1 var_14_arg_0 = var_10; [L64] SORT_1 var_14 = ~var_14_arg_0; [L65] SORT_1 var_15_arg_0 = var_13; [L66] SORT_1 var_15_arg_1 = var_14; [L67] EXPR var_15_arg_0 & var_15_arg_1 [L67] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L68] EXPR var_15 & mask_SORT_1 [L68] var_15 = var_15 & mask_SORT_1 [L69] SORT_1 bad_16_arg_0 = var_15; [L70] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND TRUE !(cond) 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 0.24ms. Allocated memory is still 94.4MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.06ms. Allocated memory is still 138.4MB. Free memory was 93.3MB in the beginning and 81.2MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.56ms. Allocated memory is still 138.4MB. Free memory was 81.2MB in the beginning and 77.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.53ms. Allocated memory is still 138.4MB. Free memory was 76.9MB in the beginning and 109.2MB in the end (delta: -32.3MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * RCFGBuilder took 607.65ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 109.2MB in the beginning and 136.5MB in the end (delta: -27.3MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * CodeCheck took 546.50ms. Allocated memory is still 174.1MB. Free memory was 136.5MB in the beginning and 110.1MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 4.68ms. Allocated memory is still 174.1MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 22:32:21,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 860a86adaee5a68a8179b30e590ccdfc140c947e3c27f31baed5d0226260962e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:32:23,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:32:23,303 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 22:32:23,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:32:23,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:32:23,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:32:23,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:32:23,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:32:23,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:32:23,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:32:23,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:32:23,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:32:23,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:32:23,338 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:32:23,339 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:32:23,339 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:32:23,340 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:32:23,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:32:23,341 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:32:23,341 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:32:23,342 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:32:23,343 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:32:23,343 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:23,344 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:32:23,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:32:23,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:32:23,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:32:23,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:32:23,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:32:23,347 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:32:23,347 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:23,347 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:32:23,348 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:32:23,348 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:32:23,348 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_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 860a86adaee5a68a8179b30e590ccdfc140c947e3c27f31baed5d0226260962e [2023-12-02 22:32:23,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:32:23,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:32:23,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:32:23,641 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:32:23,642 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:32:23,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c [2023-12-02 22:32:26,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:32:26,569 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:32:26,569 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c [2023-12-02 22:32:26,577 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/data/970dc908b/69ba047b6c0440378a85b058db00b1a6/FLAG15fa2c263 [2023-12-02 22:32:26,588 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/data/970dc908b/69ba047b6c0440378a85b058db00b1a6 [2023-12-02 22:32:26,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:32:26,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:32:26,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:32:26,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:32:26,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:32:26,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:32:26" (1/1) ... [2023-12-02 22:32:26,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@482bfec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:26, skipping insertion in model container [2023-12-02 22:32:26,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:32:26" (1/1) ... [2023-12-02 22:32:26,625 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:32:26,778 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_c5b10f88-95f6-46d3-b396-9de192b8979c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c[1250,1263] [2023-12-02 22:32:26,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:32:26,827 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:32:26,840 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_c5b10f88-95f6-46d3-b396-9de192b8979c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c[1250,1263] [2023-12-02 22:32:26,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:32:26,875 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:32:26,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:26 WrapperNode [2023-12-02 22:32:26,876 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:32:26,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:32:26,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:32:26,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:32:26,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:26" (1/1) ... [2023-12-02 22:32:26,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:26" (1/1) ... [2023-12-02 22:32:26,917 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2023-12-02 22:32:26,917 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:32:26,918 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:32:26,918 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:32:26,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:32:26,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:26" (1/1) ... [2023-12-02 22:32:26,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:26" (1/1) ... [2023-12-02 22:32:26,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:26" (1/1) ... [2023-12-02 22:32:26,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:26" (1/1) ... [2023-12-02 22:32:26,938 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:26" (1/1) ... [2023-12-02 22:32:26,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:26" (1/1) ... [2023-12-02 22:32:26,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:26" (1/1) ... [2023-12-02 22:32:26,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:26" (1/1) ... [2023-12-02 22:32:26,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:32:26,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:32:26,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:32:26,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:32:26,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:32:26" (1/1) ... [2023-12-02 22:32:26,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:32:26,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:32:26,979 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:32:26,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:32:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:32:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:32:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:32:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:32:27,106 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:32:27,108 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:32:27,257 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:32:27,295 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:32:27,296 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:32:27,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:32:27 BoogieIcfgContainer [2023-12-02 22:32:27,298 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:32:27,299 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:32:27,300 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:32:27,311 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:32:27,311 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:32:27" (1/1) ... [2023-12-02 22:32:27,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:32:27,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:27,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:32:27,392 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:32:27,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:32:27,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:27,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:27,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:27,397 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:27,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:32:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:27,521 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:27,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:32:27,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:27,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:32:27,809 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:32:27,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:32:27,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:27,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 22:32:27,886 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 22:32:27,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:32:27,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:27,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:27,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:27,905 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:27,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:32:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:28,011 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:28,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 22:32:28,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:28,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:32:28,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:32:28,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:28,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2023-12-02 22:32:28,973 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2023-12-02 22:32:28,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:32:28,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:28,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:28,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:28,975 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:28,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:32:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:29,068 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:29,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 22:32:29,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:29,602 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:32:29,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:32:31,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:31,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2023-12-02 22:32:31,053 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2023-12-02 22:32:31,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:32:31,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:31,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:31,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:31,057 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:31,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:32:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:31,195 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:31,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 22:32:31,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:31,655 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:32:31,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:32:32,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:32,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 19 states and 34 transitions. [2023-12-02 22:32:32,566 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 34 transitions. [2023-12-02 22:32:32,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:32:32,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:32,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:32,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:32,567 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:32,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:32:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:32,654 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:32,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 22:32:32,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:32,912 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:32:32,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 22:32:34,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:34,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 39 transitions. [2023-12-02 22:32:34,264 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 39 transitions. [2023-12-02 22:32:34,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 22:32:34,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:34,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:34,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:34,266 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:34,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 22:32:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:34,367 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:34,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 22:32:34,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:34,980 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:32:34,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 22:32:35,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:35,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2023-12-02 22:32:35,943 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2023-12-02 22:32:35,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 22:32:35,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:35,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:35,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:35,945 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:35,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 22:32:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:36,043 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:36,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 22:32:36,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:36,437 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:32:36,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 22:32:38,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:38,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-12-02 22:32:38,297 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-12-02 22:32:38,297 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:32:38,297 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-12-02 22:32:38,303 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 22:32:39,102 INFO L560 CodeCheckObserver]: Invariant with dag size 45 [2023-12-02 22:32:39,109 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_28_arg_1~0#1 : bv8 :: ~bvor~32(4bv32, ~zero_extend~32~8(ULTIMATE.start_main_~var_28_arg_1~0#1))[7:0] == ~state_18~0) could not be translated [2023-12-02 22:32:39,110 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_24_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_28_arg_1~0#1 : bv8 :: ~bvor~32(~bvshl~32(~zero_extend~32~8(ULTIMATE.start_main_~var_24_arg_0~0#1), 2bv32), ~zero_extend~32~8(~bvand~32(3bv32, ~zero_extend~32~8(~bvashr~32(~zero_extend~32~8(~bvor~32(4bv32, ~zero_extend~32~8(ULTIMATE.start_main_~var_28_arg_1~0#1))[7:0]), 1bv32)[7:0]))[7:0]))[7:0] == ~state_5~0) could not be translated [2023-12-02 22:32:39,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:32:39 ImpRootNode [2023-12-02 22:32:39,111 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:32:39,111 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:32:39,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:32:39,112 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:32:39,112 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:32:27" (3/4) ... [2023-12-02 22:32:39,113 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:32:39,118 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-12-02 22:32:39,119 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 22:32:39,119 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 22:32:39,119 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:32:39,210 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:32:39,211 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:32:39,211 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:32:39,212 INFO L158 Benchmark]: Toolchain (without parser) took 12620.32ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 93.9MB in the beginning and 97.4MB in the end (delta: -3.5MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2023-12-02 22:32:39,212 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:32:39,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.64ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 81.3MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:32:39,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.37ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 79.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:32:39,213 INFO L158 Benchmark]: Boogie Preprocessor took 29.75ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:32:39,214 INFO L158 Benchmark]: RCFGBuilder took 349.71ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 63.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:32:39,214 INFO L158 Benchmark]: CodeCheck took 11811.74ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 63.8MB in the beginning and 101.5MB in the end (delta: -37.7MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-12-02 22:32:39,215 INFO L158 Benchmark]: Witness Printer took 99.58ms. Allocated memory is still 172.0MB. Free memory was 101.5MB in the beginning and 97.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:32:39,217 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: 11.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 186 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 134 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 91 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 591 IncrementalHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 91 mSolverCounterUnsat, 7 mSDtfsCounter, 591 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 828 GetRequests, 695 SyntacticMatches, 41 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3838 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 72 ConstructedInterpolants, 39 QuantifiedInterpolants, 1391 SizeOfPredicates, 252 NumberOfNonLiveVariables, 845 ConjunctsInSsa, 259 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 6/91 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: 52]: Loop Invariant Derived loop invariant: (((((((2 == state_5) && (6 == state_18)) && (1 == mask_SORT_1)) && (7 == mask_SORT_3)) && (2 == var_9)) && (3 == mask_SORT_21)) || (((((1 == mask_SORT_1) && (7 == mask_SORT_3)) && (2 == var_9)) && (3 == mask_SORT_21)) && !((2 == state_5)))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.64ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 81.3MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.37ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 79.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.75ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 349.71ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 63.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 11811.74ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 63.8MB in the beginning and 101.5MB in the end (delta: -37.7MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Witness Printer took 99.58ms. Allocated memory is still 172.0MB. Free memory was 101.5MB in the beginning and 97.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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_~var_28_arg_1~0#1 : bv8 :: ~bvor~32(4bv32, ~zero_extend~32~8(ULTIMATE.start_main_~var_28_arg_1~0#1))[7:0] == ~state_18~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_24_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_28_arg_1~0#1 : bv8 :: ~bvor~32(~bvshl~32(~zero_extend~32~8(ULTIMATE.start_main_~var_24_arg_0~0#1), 2bv32), ~zero_extend~32~8(~bvand~32(3bv32, ~zero_extend~32~8(~bvashr~32(~zero_extend~32~8(~bvor~32(4bv32, ~zero_extend~32~8(ULTIMATE.start_main_~var_28_arg_1~0#1))[7:0]), 1bv32)[7:0]))[7:0]))[7:0] == ~state_5~0) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-02 22:32:39,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b10f88-95f6-46d3-b396-9de192b8979c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE