./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.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_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/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_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/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_bc991617-95a4-4284-944a-7df2b5b881cb/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 a995c16e34c6a8c947423a8daf73fb5637408e6de846a052a4473f47c82db47d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:05:32,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:05:32,706 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 02:05:32,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:05:32,710 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:05:32,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:05:32,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:05:32,738 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:05:32,739 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:05:32,740 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:05:32,740 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:05:32,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:05:32,741 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:05:32,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:05:32,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:05:32,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:05:32,743 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:05:32,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:05:32,744 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:05:32,745 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:05:32,745 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:05:32,746 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:05:32,747 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:05:32,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:05:32,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:05:32,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:05:32,748 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:05:32,749 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:05:32,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:05:32,750 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:05:32,750 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_bc991617-95a4-4284-944a-7df2b5b881cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a995c16e34c6a8c947423a8daf73fb5637408e6de846a052a4473f47c82db47d [2023-12-03 02:05:32,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:05:32,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:05:32,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:05:32,991 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:05:32,991 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:05:32,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c [2023-12-03 02:05:35,686 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:05:35,872 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:05:35,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c [2023-12-03 02:05:35,881 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/data/fe3712c52/206f0940318a4e598d92abc03b62b2ee/FLAGbdc3a9103 [2023-12-03 02:05:35,894 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/data/fe3712c52/206f0940318a4e598d92abc03b62b2ee [2023-12-03 02:05:35,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:05:35,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:05:35,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:05:35,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:05:35,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:05:35,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:05:35" (1/1) ... [2023-12-03 02:05:35,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1381c2cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:35, skipping insertion in model container [2023-12-03 02:05:35,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:05:35" (1/1) ... [2023-12-03 02:05:35,932 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:05:36,077 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_bc991617-95a4-4284-944a-7df2b5b881cb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c[1250,1263] [2023-12-03 02:05:36,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:05:36,123 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:05:36,135 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_bc991617-95a4-4284-944a-7df2b5b881cb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c[1250,1263] [2023-12-03 02:05:36,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:05:36,170 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:05:36,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:36 WrapperNode [2023-12-03 02:05:36,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:05:36,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:05:36,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:05:36,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:05:36,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:36" (1/1) ... [2023-12-03 02:05:36,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:36" (1/1) ... [2023-12-03 02:05:36,221 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 177 [2023-12-03 02:05:36,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:05:36,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:05:36,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:05:36,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:05:36,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:36" (1/1) ... [2023-12-03 02:05:36,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:36" (1/1) ... [2023-12-03 02:05:36,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:36" (1/1) ... [2023-12-03 02:05:36,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:36" (1/1) ... [2023-12-03 02:05:36,243 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:36" (1/1) ... [2023-12-03 02:05:36,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:36" (1/1) ... [2023-12-03 02:05:36,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:36" (1/1) ... [2023-12-03 02:05:36,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:36" (1/1) ... [2023-12-03 02:05:36,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:05:36,257 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:05:36,257 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:05:36,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:05:36,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:36" (1/1) ... [2023-12-03 02:05:36,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:05:36,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:05:36,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:05:36,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:05:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:05:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:05:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:05:36,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:05:36,421 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:05:36,423 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:05:36,708 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:05:36,991 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:05:36,992 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:05:36,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:05:36 BoogieIcfgContainer [2023-12-03 02:05:36,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:05:36,997 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:05:36,998 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:05:37,008 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:05:37,008 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:05:36" (1/1) ... [2023-12-03 02:05:37,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:05:37,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:37,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 02:05:37,070 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 02:05:37,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 02:05:37,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:37,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:05:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:05:37,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:05:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:05:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:05:38,526 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:05:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:05:38,668 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:05:38,692 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-03 02:05:38,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:05:38 ImpRootNode [2023-12-03 02:05:38,697 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:05:38,698 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:05:38,698 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:05:38,698 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:05:38,699 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:05:36" (3/4) ... [2023-12-03 02:05:38,701 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:05:38,703 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:05:38,704 INFO L158 Benchmark]: Toolchain (without parser) took 2805.64ms. Allocated memory was 136.3MB in the beginning and 184.5MB in the end (delta: 48.2MB). Free memory was 91.9MB in the beginning and 135.3MB in the end (delta: -43.5MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-12-03 02:05:38,704 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 136.3MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:05:38,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.72ms. Allocated memory is still 136.3MB. Free memory was 91.9MB in the beginning and 80.2MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:05:38,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.00ms. Allocated memory is still 136.3MB. Free memory was 80.2MB in the beginning and 76.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:05:38,706 INFO L158 Benchmark]: Boogie Preprocessor took 33.81ms. Allocated memory is still 136.3MB. Free memory was 76.7MB in the beginning and 75.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:05:38,707 INFO L158 Benchmark]: RCFGBuilder took 737.71ms. Allocated memory was 136.3MB in the beginning and 184.5MB in the end (delta: 48.2MB). Free memory was 75.1MB in the beginning and 126.9MB in the end (delta: -51.8MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2023-12-03 02:05:38,708 INFO L158 Benchmark]: CodeCheck took 1700.08ms. Allocated memory is still 184.5MB. Free memory was 126.7MB in the beginning and 135.3MB in the end (delta: -8.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:05:38,708 INFO L158 Benchmark]: Witness Printer took 4.71ms. Allocated memory is still 184.5MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:05:38,711 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, 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, 0.9s 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 76, overapproximation of bitwiseAnd at line 63. 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_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 20); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (20 - 1); [L32] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 32); [L33] const SORT_8 msb_SORT_8 = (SORT_8)1 << (32 - 1); [L35] const SORT_4 var_5 = 1; [L36] const SORT_8 var_10 = 1; [L37] const SORT_8 var_13 = 5; [L38] const SORT_8 var_17 = 7; [L39] const SORT_1 var_22 = 1; [L40] const SORT_4 var_26 = 5; [L41] const SORT_4 var_29 = 7; [L43] SORT_1 input_2; [L44] SORT_1 input_3; [L46] EXPR __VERIFIER_nondet_uint() & mask_SORT_4 [L46] SORT_4 state_6 = __VERIFIER_nondet_uint() & mask_SORT_4; [L47] EXPR __VERIFIER_nondet_uint() & mask_SORT_4 [L47] SORT_4 state_27 = __VERIFIER_nondet_uint() & mask_SORT_4; [L48] EXPR __VERIFIER_nondet_uint() & mask_SORT_4 [L48] SORT_4 state_30 = __VERIFIER_nondet_uint() & mask_SORT_4; [L50] SORT_4 init_7_arg_1 = var_5; [L51] state_6 = init_7_arg_1 [L52] SORT_4 init_28_arg_1 = var_26; [L53] state_27 = init_28_arg_1 [L54] SORT_4 init_31_arg_1 = var_29; [L55] state_30 = init_31_arg_1 VAL [init_28_arg_1=5, init_31_arg_1=7, init_7_arg_1=1, mask_SORT_1=1, mask_SORT_4=1048575, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=524288, msb_SORT_8=2147483648, state_27=5, state_30=7, state_6=1, var_10=1, var_13=5, var_17=7, var_22=1, var_26=5, var_29=7, var_5=1] [L58] input_2 = __VERIFIER_nondet_uchar() [L59] input_3 = __VERIFIER_nondet_uchar() [L62] SORT_4 var_9_arg_0 = state_6; [L63] EXPR var_9_arg_0 & mask_SORT_4 [L63] var_9_arg_0 = var_9_arg_0 & mask_SORT_4 [L64] SORT_8 var_9 = var_9_arg_0; [L65] SORT_8 var_11_arg_0 = var_9; [L66] SORT_8 var_11_arg_1 = var_10; [L67] SORT_1 var_11 = var_11_arg_0 == var_11_arg_1; [L68] SORT_4 var_12_arg_0 = state_6; [L69] EXPR var_12_arg_0 & mask_SORT_4 [L69] var_12_arg_0 = var_12_arg_0 & mask_SORT_4 [L70] SORT_8 var_12 = var_12_arg_0; [L71] SORT_8 var_14_arg_0 = var_12; [L72] SORT_8 var_14_arg_1 = var_13; [L73] SORT_1 var_14 = var_14_arg_0 == var_14_arg_1; [L74] SORT_1 var_15_arg_0 = var_11; [L75] SORT_1 var_15_arg_1 = var_14; [L76] EXPR var_15_arg_0 | var_15_arg_1 [L76] SORT_1 var_15 = var_15_arg_0 | var_15_arg_1; [L77] SORT_4 var_16_arg_0 = state_6; [L78] EXPR var_16_arg_0 & mask_SORT_4 [L78] var_16_arg_0 = var_16_arg_0 & mask_SORT_4 [L79] SORT_8 var_16 = var_16_arg_0; [L80] SORT_8 var_18_arg_0 = var_16; [L81] SORT_8 var_18_arg_1 = var_17; [L82] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L83] SORT_1 var_19_arg_0 = var_15; [L84] SORT_1 var_19_arg_1 = var_18; [L85] EXPR var_19_arg_0 | var_19_arg_1 [L85] SORT_1 var_19 = var_19_arg_0 | var_19_arg_1; [L86] SORT_1 var_23_arg_0 = var_19; [L87] SORT_1 var_23 = ~var_23_arg_0; [L88] SORT_1 var_24_arg_0 = var_22; [L89] SORT_1 var_24_arg_1 = var_23; [L90] EXPR var_24_arg_0 & var_24_arg_1 [L90] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L91] EXPR var_24 & mask_SORT_1 [L91] var_24 = var_24 & mask_SORT_1 [L92] SORT_1 bad_25_arg_0 = var_24; [L93] CALL __VERIFIER_assert(!(bad_25_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 0.22ms. Allocated memory is still 136.3MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.72ms. Allocated memory is still 136.3MB. Free memory was 91.9MB in the beginning and 80.2MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.00ms. Allocated memory is still 136.3MB. Free memory was 80.2MB in the beginning and 76.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.81ms. Allocated memory is still 136.3MB. Free memory was 76.7MB in the beginning and 75.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 737.71ms. Allocated memory was 136.3MB in the beginning and 184.5MB in the end (delta: 48.2MB). Free memory was 75.1MB in the beginning and 126.9MB in the end (delta: -51.8MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. * CodeCheck took 1700.08ms. Allocated memory is still 184.5MB. Free memory was 126.7MB in the beginning and 135.3MB in the end (delta: -8.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.71ms. Allocated memory is still 184.5MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:05:38,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/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_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/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_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/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_bc991617-95a4-4284-944a-7df2b5b881cb/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 a995c16e34c6a8c947423a8daf73fb5637408e6de846a052a4473f47c82db47d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:05:40,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:05:40,737 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 02:05:40,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:05:40,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:05:40,770 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:05:40,771 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:05:40,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:05:40,773 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:05:40,773 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:05:40,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:05:40,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:05:40,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:05:40,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:05:40,776 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:05:40,777 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:05:40,778 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:05:40,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:05:40,779 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:05:40,780 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:05:40,780 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:05:40,781 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:05:40,781 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:05:40,782 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:05:40,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:05:40,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:05:40,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:05:40,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:05:40,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:05:40,784 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:05:40,785 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:05:40,785 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:05:40,785 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:05:40,786 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:05:40,786 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_bc991617-95a4-4284-944a-7df2b5b881cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a995c16e34c6a8c947423a8daf73fb5637408e6de846a052a4473f47c82db47d [2023-12-03 02:05:41,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:05:41,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:05:41,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:05:41,105 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:05:41,106 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:05:41,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c [2023-12-03 02:05:43,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:05:44,064 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:05:44,064 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c [2023-12-03 02:05:44,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/data/fc6551cac/3468f0d9e3204dac9eb3f67e58e04718/FLAG43444c3f9 [2023-12-03 02:05:44,084 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/data/fc6551cac/3468f0d9e3204dac9eb3f67e58e04718 [2023-12-03 02:05:44,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:05:44,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:05:44,088 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:05:44,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:05:44,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:05:44,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:05:44" (1/1) ... [2023-12-03 02:05:44,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb71190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:44, skipping insertion in model container [2023-12-03 02:05:44,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:05:44" (1/1) ... [2023-12-03 02:05:44,120 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:05:44,272 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_bc991617-95a4-4284-944a-7df2b5b881cb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c[1250,1263] [2023-12-03 02:05:44,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:05:44,322 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:05:44,335 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_bc991617-95a4-4284-944a-7df2b5b881cb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c[1250,1263] [2023-12-03 02:05:44,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:05:44,370 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:05:44,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:44 WrapperNode [2023-12-03 02:05:44,370 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:05:44,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:05:44,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:05:44,372 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:05:44,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:44" (1/1) ... [2023-12-03 02:05:44,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:44" (1/1) ... [2023-12-03 02:05:44,411 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2023-12-03 02:05:44,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:05:44,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:05:44,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:05:44,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:05:44,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:44" (1/1) ... [2023-12-03 02:05:44,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:44" (1/1) ... [2023-12-03 02:05:44,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:44" (1/1) ... [2023-12-03 02:05:44,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:44" (1/1) ... [2023-12-03 02:05:44,431 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:44" (1/1) ... [2023-12-03 02:05:44,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:44" (1/1) ... [2023-12-03 02:05:44,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:44" (1/1) ... [2023-12-03 02:05:44,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:44" (1/1) ... [2023-12-03 02:05:44,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:05:44,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:05:44,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:05:44,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:05:44,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:44" (1/1) ... [2023-12-03 02:05:44,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:05:44,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:05:44,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:05:44,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:05:44,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:05:44,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:05:44,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:05:44,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:05:44,606 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:05:44,608 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:05:44,752 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:05:44,791 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:05:44,792 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:05:44,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:05:44 BoogieIcfgContainer [2023-12-03 02:05:44,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:05:44,794 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:05:44,794 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:05:44,804 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:05:44,804 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:05:44" (1/1) ... [2023-12-03 02:05:44,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:05:44,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:44,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 02:05:44,867 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 02:05:44,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 02:05:44,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:44,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:05:44,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:05:44,871 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:05:44,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:05:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:44,999 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:05:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:45,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 02:05:45,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:05:45,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:05:45,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:05:45,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:45,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 02:05:45,408 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 02:05:45,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:05:45,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:45,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:05:45,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:05:45,410 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:05:45,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:05:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:45,532 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:05:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:45,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-03 02:05:45,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:05:45,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:05:45,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:05:45,883 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:05:46,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:46,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-12-03 02:05:46,460 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-12-03 02:05:46,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:05:46,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:46,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:05:46,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:05:46,462 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:05:46,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:05:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:46,597 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:05:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:46,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-03 02:05:46,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:05:47,003 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:05:47,006 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:05:47,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:05:48,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:48,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2023-12-03 02:05:48,565 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2023-12-03 02:05:48,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:05:48,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:48,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:05:48,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:05:48,569 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:05:48,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:05:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:48,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:05:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:48,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 02:05:48,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:05:49,118 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:05:49,121 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:05:49,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:05:51,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:51,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 27 states and 51 transitions. [2023-12-03 02:05:51,117 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 51 transitions. [2023-12-03 02:05:51,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:05:51,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:51,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:05:51,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:05:51,119 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:05:51,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:05:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:51,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:05:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:51,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-03 02:05:51,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:05:51,608 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:05:51,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:05:52,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:52,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 60 transitions. [2023-12-03 02:05:52,876 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 60 transitions. [2023-12-03 02:05:52,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 02:05:52,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:52,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:05:52,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:05:52,878 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:05:52,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:05:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:53,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:05:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:53,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-03 02:05:53,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:05:53,269 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:05:53,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:05:53,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:53,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-12-03 02:05:53,769 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-12-03 02:05:53,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 02:05:53,770 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-12-03 02:05:53,777 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 02:05:53,922 INFO L560 CodeCheckObserver]: Invariant with dag size 31 [2023-12-03 02:05:53,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:05:53 ImpRootNode [2023-12-03 02:05:53,928 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:05:53,929 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:05:53,929 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:05:53,929 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:05:53,930 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:05:44" (3/4) ... [2023-12-03 02:05:53,932 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 02:05:53,939 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-12-03 02:05:53,939 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-03 02:05:53,940 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 02:05:53,940 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 02:05:54,043 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 02:05:54,043 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 02:05:54,043 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:05:54,044 INFO L158 Benchmark]: Toolchain (without parser) took 9957.27ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 62.2MB in the beginning and 99.8MB in the end (delta: -37.6MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2023-12-03 02:05:54,045 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 60.8MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:05:54,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.07ms. Allocated memory is still 86.0MB. Free memory was 62.0MB in the beginning and 49.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:05:54,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.12ms. Allocated memory is still 86.0MB. Free memory was 49.8MB in the beginning and 48.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:05:54,046 INFO L158 Benchmark]: Boogie Preprocessor took 28.99ms. Allocated memory is still 86.0MB. Free memory was 48.0MB in the beginning and 46.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:05:54,046 INFO L158 Benchmark]: RCFGBuilder took 351.44ms. Allocated memory is still 86.0MB. Free memory was 46.5MB in the beginning and 51.2MB in the end (delta: -4.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-12-03 02:05:54,047 INFO L158 Benchmark]: CodeCheck took 9134.05ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 51.2MB in the beginning and 33.3MB in the end (delta: 17.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-12-03 02:05:54,047 INFO L158 Benchmark]: Witness Printer took 114.72ms. Allocated memory is still 125.8MB. Free memory was 33.3MB in the beginning and 99.8MB in the end (delta: -66.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:05:54,049 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: 8.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 183 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 140 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 120 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 660 IncrementalHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 120 mSolverCounterUnsat, 6 mSDtfsCounter, 660 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 775 GetRequests, 639 SyntacticMatches, 24 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5120 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 722 SizeOfPredicates, 168 NumberOfNonLiveVariables, 912 ConjunctsInSsa, 179 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 10/90 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: 56]: Loop Invariant Derived loop invariant: ((((((((((1 == mask_SORT_1) && (var_13 == 5)) && (5 == state_27)) && (7 == state_30)) && (1048575 == mask_SORT_4)) && (7 == var_17)) && (state_6 == 1)) && (var_10 == 1)) || ((((((((1 == mask_SORT_1) && (var_13 == 5)) && (state_6 == 7)) && (5 == state_30)) && (1 == state_27)) && (1048575 == mask_SORT_4)) && (7 == var_17)) && (var_10 == 1))) || ((((((((1 == mask_SORT_1) && (state_6 == 5)) && (var_13 == 5)) && (1048575 == mask_SORT_4)) && (7 == var_17)) && (7 == state_27)) && (1 == state_30)) && (var_10 == 1))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 60.8MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.07ms. Allocated memory is still 86.0MB. Free memory was 62.0MB in the beginning and 49.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.12ms. Allocated memory is still 86.0MB. Free memory was 49.8MB in the beginning and 48.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.99ms. Allocated memory is still 86.0MB. Free memory was 48.0MB in the beginning and 46.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 351.44ms. Allocated memory is still 86.0MB. Free memory was 46.5MB in the beginning and 51.2MB in the end (delta: -4.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * CodeCheck took 9134.05ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 51.2MB in the beginning and 33.3MB in the end (delta: 17.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 114.72ms. Allocated memory is still 125.8MB. Free memory was 33.3MB in the beginning and 99.8MB in the end (delta: -66.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 02:05:54,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc991617-95a4-4284-944a-7df2b5b881cb/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