./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.5.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 31ca27375f398ecefeb38d2824375f66b97842151e0b3c2d9eec6a84ceebe72d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:18:04,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:04,585 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:18:04,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:04,595 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:04,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:04,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:04,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:04,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:04,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:04,640 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:04,640 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:04,641 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:04,642 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:18:04,643 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:04,643 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:04,644 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:18:04,644 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:18:04,645 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:04,645 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:18:04,647 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:18:04,648 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:18:04,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:04,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:04,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:18:04,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:04,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:04,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:04,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:04,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:04,654 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:04,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:04,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:04,655 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:04,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:04,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:04,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:04,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:04,656 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:18:04,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:18:04,657 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:04,657 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:04,657 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:04,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:04,658 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31ca27375f398ecefeb38d2824375f66b97842151e0b3c2d9eec6a84ceebe72d [2023-11-23 21:18:04,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:04,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:04,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:04,959 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:04,960 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:04,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.5.prop1-func-interl.c [2023-11-23 21:18:08,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:18:08,536 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:18:08,537 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.5.prop1-func-interl.c [2023-11-23 21:18:08,583 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/data/2b0259af4/9050087fda19419494e1f1b7c9471d11/FLAGc235bcd26 [2023-11-23 21:18:08,598 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/data/2b0259af4/9050087fda19419494e1f1b7c9471d11 [2023-11-23 21:18:08,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:18:08,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:18:08,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:08,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:18:08,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:18:08,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:08" (1/1) ... [2023-11-23 21:18:08,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ae939b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:08, skipping insertion in model container [2023-11-23 21:18:08,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:08" (1/1) ... [2023-11-23 21:18:08,727 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:18:09,028 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_248cecd2-2193-4637-8ca0-9adf1c2b3c84/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.5.prop1-func-interl.c[1174,1187] [2023-11-23 21:18:09,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:09,718 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:18:09,732 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_248cecd2-2193-4637-8ca0-9adf1c2b3c84/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.5.prop1-func-interl.c[1174,1187] [2023-11-23 21:18:10,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:10,078 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:18:10,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:10 WrapperNode [2023-11-23 21:18:10,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:10,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:10,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:18:10,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:18:10,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:10" (1/1) ... [2023-11-23 21:18:10,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:10" (1/1) ... [2023-11-23 21:18:11,709 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12236 [2023-11-23 21:18:11,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:11,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:18:11,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:18:11,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:18:11,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:10" (1/1) ... [2023-11-23 21:18:11,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:10" (1/1) ... [2023-11-23 21:18:12,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:10" (1/1) ... [2023-11-23 21:18:12,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:10" (1/1) ... [2023-11-23 21:18:12,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:10" (1/1) ... [2023-11-23 21:18:12,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:10" (1/1) ... [2023-11-23 21:18:13,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:10" (1/1) ... [2023-11-23 21:18:13,214 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:10" (1/1) ... [2023-11-23 21:18:13,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:18:13,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:18:13,713 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:18:13,713 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:18:13,714 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:10" (1/1) ... [2023-11-23 21:18:13,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:13,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:13,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:18:13,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:18:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:18:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:18:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:18:13,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:18:14,566 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:18:14,568 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:18:23,027 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:18:45,103 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:18:45,103 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:18:45,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:45 BoogieIcfgContainer [2023-11-23 21:18:45,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:18:45,108 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:18:45,108 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:18:45,112 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:18:45,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:18:08" (1/3) ... [2023-11-23 21:18:45,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275caffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:45, skipping insertion in model container [2023-11-23 21:18:45,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:10" (2/3) ... [2023-11-23 21:18:45,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275caffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:45, skipping insertion in model container [2023-11-23 21:18:45,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:45" (3/3) ... [2023-11-23 21:18:45,115 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lamport.5.prop1-func-interl.c [2023-11-23 21:18:45,138 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:18:45,138 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:18:45,189 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:18:45,196 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@737dbd5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:18:45,197 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:18:45,201 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:18:45,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 21:18:45,207 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:45,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 21:18:45,209 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:45,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:45,215 INFO L85 PathProgramCache]: Analyzing trace with hash 478848616, now seen corresponding path program 1 times [2023-11-23 21:18:45,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:18:45,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734259774] [2023-11-23 21:18:45,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:45,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:18:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:18:46,535 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:18:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:18:47,309 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:18:47,311 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:18:47,313 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:18:47,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:18:47,320 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:18:47,328 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:18:47,399 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 21:18:47,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:18:47 BoogieIcfgContainer [2023-11-23 21:18:47,436 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:18:47,438 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:18:47,439 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:18:47,439 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:18:47,440 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:45" (3/4) ... [2023-11-23 21:18:47,444 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:18:47,445 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:18:47,447 INFO L158 Benchmark]: Toolchain (without parser) took 38843.35ms. Allocated memory was 153.1MB in the beginning and 9.1GB in the end (delta: 9.0GB). Free memory was 109.8MB in the beginning and 8.2GB in the end (delta: -8.1GB). Peak memory consumption was 908.9MB. Max. memory is 16.1GB. [2023-11-23 21:18:47,447 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:47,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1474.95ms. Allocated memory is still 153.1MB. Free memory was 109.2MB in the beginning and 65.2MB in the end (delta: 44.0MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. [2023-11-23 21:18:47,449 INFO L158 Benchmark]: Boogie Procedure Inliner took 1629.13ms. Allocated memory was 153.1MB in the beginning and 423.6MB in the end (delta: 270.5MB). Free memory was 64.8MB in the beginning and 209.0MB in the end (delta: -144.2MB). Peak memory consumption was 157.2MB. Max. memory is 16.1GB. [2023-11-23 21:18:47,455 INFO L158 Benchmark]: Boogie Preprocessor took 2001.65ms. Allocated memory is still 423.6MB. Free memory was 209.0MB in the beginning and 145.1MB in the end (delta: 63.9MB). Peak memory consumption was 85.9MB. Max. memory is 16.1GB. [2023-11-23 21:18:47,455 INFO L158 Benchmark]: RCFGBuilder took 31393.26ms. Allocated memory was 423.6MB in the beginning and 9.1GB in the end (delta: 8.7GB). Free memory was 145.1MB in the beginning and 8.4GB in the end (delta: -8.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2023-11-23 21:18:47,457 INFO L158 Benchmark]: TraceAbstraction took 2328.44ms. Allocated memory is still 9.1GB. Free memory was 8.4GB in the beginning and 8.2GB in the end (delta: 205.5MB). Peak memory consumption was 205.5MB. Max. memory is 16.1GB. [2023-11-23 21:18:47,458 INFO L158 Benchmark]: Witness Printer took 6.65ms. Allocated memory is still 9.1GB. Free memory is still 8.2GB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:47,466 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1474.95ms. Allocated memory is still 153.1MB. Free memory was 109.2MB in the beginning and 65.2MB in the end (delta: 44.0MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1629.13ms. Allocated memory was 153.1MB in the beginning and 423.6MB in the end (delta: 270.5MB). Free memory was 64.8MB in the beginning and 209.0MB in the end (delta: -144.2MB). Peak memory consumption was 157.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2001.65ms. Allocated memory is still 423.6MB. Free memory was 209.0MB in the beginning and 145.1MB in the end (delta: 63.9MB). Peak memory consumption was 85.9MB. Max. memory is 16.1GB. * RCFGBuilder took 31393.26ms. Allocated memory was 423.6MB in the beginning and 9.1GB in the end (delta: 8.7GB). Free memory was 145.1MB in the beginning and 8.4GB in the end (delta: -8.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * TraceAbstraction took 2328.44ms. Allocated memory is still 9.1GB. Free memory was 8.4GB in the beginning and 8.2GB in the end (delta: 205.5MB). Peak memory consumption was 205.5MB. Max. memory is 16.1GB. * Witness Printer took 6.65ms. Allocated memory is still 9.1GB. Free memory is still 8.2GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 265. 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_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_26 = 0; [L40] const SORT_4 var_109 = 1; [L41] const SORT_4 var_110 = 0; [L42] const SORT_2 var_122 = 0; [L43] const SORT_2 var_126 = 1; [L44] const SORT_2 var_159 = 255; [L45] const SORT_2 var_161 = 3; [L46] const SORT_2 var_163 = 2; [L47] const SORT_3 var_193 = 0; [L48] const SORT_4 var_411 = 4; [L49] const SORT_2 var_424 = 4; [L51] SORT_1 input_121; [L52] SORT_1 input_123; [L53] SORT_1 input_124; [L54] SORT_1 input_125; [L55] SORT_1 input_132; [L56] SORT_1 input_133; [L57] SORT_1 input_134; [L58] SORT_1 input_135; [L59] SORT_1 input_141; [L60] SORT_1 input_142; [L61] SORT_1 input_143; [L62] SORT_1 input_144; [L63] SORT_1 input_150; [L64] SORT_1 input_151; [L65] SORT_1 input_152; [L66] SORT_1 input_153; [L67] SORT_1 input_160; [L68] SORT_1 input_162; [L69] SORT_1 input_164; [L70] SORT_1 input_165; [L71] SORT_1 input_173; [L72] SORT_1 input_174; [L73] SORT_1 input_175; [L74] SORT_1 input_176; [L75] SORT_1 input_177; [L76] SORT_1 input_178; [L77] SORT_1 input_179; [L78] SORT_1 input_180; [L79] SORT_1 input_192; [L80] SORT_1 input_200; [L81] SORT_1 input_207; [L82] SORT_1 input_214; [L83] SORT_1 input_222; [L84] SORT_1 input_224; [L85] SORT_1 input_228; [L86] SORT_1 input_230; [L87] SORT_1 input_239; [L88] SORT_1 input_253; [L89] SORT_1 input_264; [L90] SORT_1 input_266; [L91] SORT_1 input_270; [L92] SORT_1 input_272; [L93] SORT_1 input_281; [L94] SORT_1 input_295; [L95] SORT_1 input_306; [L96] SORT_1 input_308; [L97] SORT_1 input_312; [L98] SORT_1 input_314; [L99] SORT_1 input_323; [L100] SORT_1 input_337; [L101] SORT_1 input_348; [L102] SORT_1 input_350; [L103] SORT_1 input_354; [L104] SORT_1 input_356; [L105] SORT_1 input_365; [L106] SORT_1 input_379; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L108] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L109] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L110] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L111] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L112] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L113] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L114] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L115] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L116] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L117] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L124] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L125] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L126] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L127] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L128] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L129] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L130] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L131] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L132] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L133] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L134] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L136] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L137] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L138] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L139] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L140] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L140] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L141] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L142] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L143] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L144] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L145] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L146] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L147] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L148] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L149] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L149] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L150] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L150] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L151] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L151] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L152] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L152] SORT_1 state_95 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L153] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L153] SORT_1 state_97 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L154] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L154] SORT_1 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L155] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L155] SORT_1 state_101 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L156] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L156] SORT_1 state_103 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L157] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L157] SORT_1 state_105 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L158] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L158] SORT_1 state_107 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L160] SORT_2 init_7_arg_1 = var_5; [L161] state_6 = init_7_arg_1 [L162] SORT_2 init_9_arg_1 = var_5; [L163] state_8 = init_9_arg_1 [L164] SORT_2 init_11_arg_1 = var_5; [L165] state_10 = init_11_arg_1 [L166] SORT_2 init_13_arg_1 = var_5; [L167] state_12 = init_13_arg_1 [L168] SORT_2 init_15_arg_1 = var_5; [L169] state_14 = init_15_arg_1 [L170] SORT_2 init_17_arg_1 = var_5; [L171] state_16 = init_17_arg_1 [L172] SORT_2 init_19_arg_1 = var_5; [L173] state_18 = init_19_arg_1 [L174] SORT_2 init_21_arg_1 = var_5; [L175] state_20 = init_21_arg_1 [L176] SORT_2 init_23_arg_1 = var_5; [L177] state_22 = init_23_arg_1 [L178] SORT_2 init_25_arg_1 = var_5; [L179] state_24 = init_25_arg_1 [L180] SORT_1 init_28_arg_1 = var_26; [L181] state_27 = init_28_arg_1 [L182] SORT_1 init_30_arg_1 = var_26; [L183] state_29 = init_30_arg_1 [L184] SORT_1 init_32_arg_1 = var_26; [L185] state_31 = init_32_arg_1 [L186] SORT_1 init_34_arg_1 = var_26; [L187] state_33 = init_34_arg_1 [L188] SORT_1 init_36_arg_1 = var_26; [L189] state_35 = init_36_arg_1 [L190] SORT_1 init_38_arg_1 = var_26; [L191] state_37 = init_38_arg_1 [L192] SORT_1 init_40_arg_1 = var_26; [L193] state_39 = init_40_arg_1 [L194] SORT_1 init_42_arg_1 = var_26; [L195] state_41 = init_42_arg_1 [L196] SORT_1 init_44_arg_1 = var_26; [L197] state_43 = init_44_arg_1 [L198] SORT_1 init_46_arg_1 = var_26; [L199] state_45 = init_46_arg_1 [L200] SORT_1 init_48_arg_1 = var_26; [L201] state_47 = init_48_arg_1 [L202] SORT_1 init_50_arg_1 = var_26; [L203] state_49 = init_50_arg_1 [L204] SORT_1 init_52_arg_1 = var_26; [L205] state_51 = init_52_arg_1 [L206] SORT_1 init_54_arg_1 = var_26; [L207] state_53 = init_54_arg_1 [L208] SORT_1 init_56_arg_1 = var_26; [L209] state_55 = init_56_arg_1 [L210] SORT_1 init_58_arg_1 = var_26; [L211] state_57 = init_58_arg_1 [L212] SORT_1 init_60_arg_1 = var_26; [L213] state_59 = init_60_arg_1 [L214] SORT_1 init_62_arg_1 = var_26; [L215] state_61 = init_62_arg_1 [L216] SORT_1 init_64_arg_1 = var_26; [L217] state_63 = init_64_arg_1 [L218] SORT_1 init_66_arg_1 = var_26; [L219] state_65 = init_66_arg_1 [L220] SORT_1 init_68_arg_1 = var_26; [L221] state_67 = init_68_arg_1 [L222] SORT_1 init_70_arg_1 = var_26; [L223] state_69 = init_70_arg_1 [L224] SORT_1 init_72_arg_1 = var_26; [L225] state_71 = init_72_arg_1 [L226] SORT_1 init_74_arg_1 = var_26; [L227] state_73 = init_74_arg_1 [L228] SORT_1 init_76_arg_1 = var_26; [L229] state_75 = init_76_arg_1 [L230] SORT_1 init_78_arg_1 = var_26; [L231] state_77 = init_78_arg_1 [L232] SORT_1 init_80_arg_1 = var_26; [L233] state_79 = init_80_arg_1 [L234] SORT_1 init_82_arg_1 = var_26; [L235] state_81 = init_82_arg_1 [L236] SORT_1 init_84_arg_1 = var_26; [L237] state_83 = init_84_arg_1 [L238] SORT_1 init_86_arg_1 = var_26; [L239] state_85 = init_86_arg_1 [L240] SORT_1 init_88_arg_1 = var_26; [L241] state_87 = init_88_arg_1 [L242] SORT_1 init_90_arg_1 = var_26; [L243] state_89 = init_90_arg_1 [L244] SORT_1 init_92_arg_1 = var_26; [L245] state_91 = init_92_arg_1 [L246] SORT_1 init_94_arg_1 = var_26; [L247] state_93 = init_94_arg_1 [L248] SORT_1 init_96_arg_1 = var_26; [L249] state_95 = init_96_arg_1 [L250] SORT_1 init_98_arg_1 = var_26; [L251] state_97 = init_98_arg_1 [L252] SORT_1 init_100_arg_1 = var_26; [L253] state_99 = init_100_arg_1 [L254] SORT_1 init_102_arg_1 = var_26; [L255] state_101 = init_102_arg_1 [L256] SORT_1 init_104_arg_1 = var_26; [L257] state_103 = init_104_arg_1 [L258] SORT_1 init_106_arg_1 = var_26; [L259] state_105 = init_106_arg_1 [L260] SORT_1 init_108_arg_1 = var_26; [L261] state_107 = init_108_arg_1 VAL [init_100_arg_1=0, init_102_arg_1=0, init_104_arg_1=0, init_106_arg_1=0, init_108_arg_1=0, init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_101=0, state_103=0, state_105=0, state_107=0, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_109=1, var_110=0, var_122=0, var_126=1, var_159=255, var_161=3, var_163=2, var_193=0, var_26=0, var_411=4, var_424=4, var_5=0] [L264] input_121 = __VERIFIER_nondet_uchar() [L265] EXPR input_121 & mask_SORT_1 [L265] input_121 = input_121 & mask_SORT_1 [L266] input_123 = __VERIFIER_nondet_uchar() [L267] EXPR input_123 & mask_SORT_1 [L267] input_123 = input_123 & mask_SORT_1 [L268] input_124 = __VERIFIER_nondet_uchar() [L269] EXPR input_124 & mask_SORT_1 [L269] input_124 = input_124 & mask_SORT_1 [L270] input_125 = __VERIFIER_nondet_uchar() [L271] EXPR input_125 & mask_SORT_1 [L271] input_125 = input_125 & mask_SORT_1 [L272] input_132 = __VERIFIER_nondet_uchar() [L273] EXPR input_132 & mask_SORT_1 [L273] input_132 = input_132 & mask_SORT_1 [L274] input_133 = __VERIFIER_nondet_uchar() [L275] EXPR input_133 & mask_SORT_1 [L275] input_133 = input_133 & mask_SORT_1 [L276] input_134 = __VERIFIER_nondet_uchar() [L277] EXPR input_134 & mask_SORT_1 [L277] input_134 = input_134 & mask_SORT_1 [L278] input_135 = __VERIFIER_nondet_uchar() [L279] EXPR input_135 & mask_SORT_1 [L279] input_135 = input_135 & mask_SORT_1 [L280] input_141 = __VERIFIER_nondet_uchar() [L281] EXPR input_141 & mask_SORT_1 [L281] input_141 = input_141 & mask_SORT_1 [L282] input_142 = __VERIFIER_nondet_uchar() [L283] EXPR input_142 & mask_SORT_1 [L283] input_142 = input_142 & mask_SORT_1 [L284] input_143 = __VERIFIER_nondet_uchar() [L285] EXPR input_143 & mask_SORT_1 [L285] input_143 = input_143 & mask_SORT_1 [L286] input_144 = __VERIFIER_nondet_uchar() [L287] EXPR input_144 & mask_SORT_1 [L287] input_144 = input_144 & mask_SORT_1 [L288] input_150 = __VERIFIER_nondet_uchar() [L289] EXPR input_150 & mask_SORT_1 [L289] input_150 = input_150 & mask_SORT_1 [L290] input_151 = __VERIFIER_nondet_uchar() [L291] EXPR input_151 & mask_SORT_1 [L291] input_151 = input_151 & mask_SORT_1 [L292] input_152 = __VERIFIER_nondet_uchar() [L293] EXPR input_152 & mask_SORT_1 [L293] input_152 = input_152 & mask_SORT_1 [L294] input_153 = __VERIFIER_nondet_uchar() [L295] EXPR input_153 & mask_SORT_1 [L295] input_153 = input_153 & mask_SORT_1 [L296] input_160 = __VERIFIER_nondet_uchar() [L297] EXPR input_160 & mask_SORT_1 [L297] input_160 = input_160 & mask_SORT_1 [L298] input_162 = __VERIFIER_nondet_uchar() [L299] EXPR input_162 & mask_SORT_1 [L299] input_162 = input_162 & mask_SORT_1 [L300] input_164 = __VERIFIER_nondet_uchar() [L301] EXPR input_164 & mask_SORT_1 [L301] input_164 = input_164 & mask_SORT_1 [L302] input_165 = __VERIFIER_nondet_uchar() [L303] EXPR input_165 & mask_SORT_1 [L303] input_165 = input_165 & mask_SORT_1 [L304] input_173 = __VERIFIER_nondet_uchar() [L305] EXPR input_173 & mask_SORT_1 [L305] input_173 = input_173 & mask_SORT_1 [L306] input_174 = __VERIFIER_nondet_uchar() [L307] EXPR input_174 & mask_SORT_1 [L307] input_174 = input_174 & mask_SORT_1 [L308] input_175 = __VERIFIER_nondet_uchar() [L309] EXPR input_175 & mask_SORT_1 [L309] input_175 = input_175 & mask_SORT_1 [L310] input_176 = __VERIFIER_nondet_uchar() [L311] EXPR input_176 & mask_SORT_1 [L311] input_176 = input_176 & mask_SORT_1 [L312] input_177 = __VERIFIER_nondet_uchar() [L313] EXPR input_177 & mask_SORT_1 [L313] input_177 = input_177 & mask_SORT_1 [L314] input_178 = __VERIFIER_nondet_uchar() [L315] EXPR input_178 & mask_SORT_1 [L315] input_178 = input_178 & mask_SORT_1 [L316] input_179 = __VERIFIER_nondet_uchar() [L317] EXPR input_179 & mask_SORT_1 [L317] input_179 = input_179 & mask_SORT_1 [L318] input_180 = __VERIFIER_nondet_uchar() [L319] EXPR input_180 & mask_SORT_1 [L319] input_180 = input_180 & mask_SORT_1 [L320] input_192 = __VERIFIER_nondet_uchar() [L321] EXPR input_192 & mask_SORT_1 [L321] input_192 = input_192 & mask_SORT_1 [L322] input_200 = __VERIFIER_nondet_uchar() [L323] EXPR input_200 & mask_SORT_1 [L323] input_200 = input_200 & mask_SORT_1 [L324] input_207 = __VERIFIER_nondet_uchar() [L325] EXPR input_207 & mask_SORT_1 [L325] input_207 = input_207 & mask_SORT_1 [L326] input_214 = __VERIFIER_nondet_uchar() [L327] EXPR input_214 & mask_SORT_1 [L327] input_214 = input_214 & mask_SORT_1 [L328] input_222 = __VERIFIER_nondet_uchar() [L329] input_224 = __VERIFIER_nondet_uchar() [L330] input_228 = __VERIFIER_nondet_uchar() [L331] input_230 = __VERIFIER_nondet_uchar() [L332] input_239 = __VERIFIER_nondet_uchar() [L333] input_253 = __VERIFIER_nondet_uchar() [L334] input_264 = __VERIFIER_nondet_uchar() [L335] input_266 = __VERIFIER_nondet_uchar() [L336] input_270 = __VERIFIER_nondet_uchar() [L337] input_272 = __VERIFIER_nondet_uchar() [L338] input_281 = __VERIFIER_nondet_uchar() [L339] input_295 = __VERIFIER_nondet_uchar() [L340] input_306 = __VERIFIER_nondet_uchar() [L341] input_308 = __VERIFIER_nondet_uchar() [L342] input_312 = __VERIFIER_nondet_uchar() [L343] input_314 = __VERIFIER_nondet_uchar() [L344] input_323 = __VERIFIER_nondet_uchar() [L345] input_337 = __VERIFIER_nondet_uchar() [L346] input_348 = __VERIFIER_nondet_uchar() [L347] input_350 = __VERIFIER_nondet_uchar() [L348] input_354 = __VERIFIER_nondet_uchar() [L349] input_356 = __VERIFIER_nondet_uchar() [L350] input_365 = __VERIFIER_nondet_uchar() [L351] input_379 = __VERIFIER_nondet_uchar() [L354] SORT_1 var_111_arg_0 = state_29; [L355] SORT_4 var_111_arg_1 = var_109; [L356] SORT_4 var_111_arg_2 = var_110; [L357] SORT_4 var_111 = var_111_arg_0 ? var_111_arg_1 : var_111_arg_2; [L358] SORT_1 var_112_arg_0 = state_49; [L359] SORT_4 var_112_arg_1 = var_109; [L360] SORT_4 var_112_arg_2 = var_110; [L361] SORT_4 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L362] SORT_4 var_113_arg_0 = var_111; [L363] SORT_4 var_113_arg_1 = var_112; [L364] SORT_4 var_113 = var_113_arg_0 + var_113_arg_1; [L365] SORT_1 var_114_arg_0 = state_69; [L366] SORT_4 var_114_arg_1 = var_109; [L367] SORT_4 var_114_arg_2 = var_110; [L368] SORT_4 var_114 = var_114_arg_0 ? var_114_arg_1 : var_114_arg_2; [L369] SORT_4 var_115_arg_0 = var_113; [L370] SORT_4 var_115_arg_1 = var_114; [L371] SORT_4 var_115 = var_115_arg_0 + var_115_arg_1; [L372] SORT_1 var_116_arg_0 = state_89; [L373] SORT_4 var_116_arg_1 = var_109; [L374] SORT_4 var_116_arg_2 = var_110; [L375] SORT_4 var_116 = var_116_arg_0 ? var_116_arg_1 : var_116_arg_2; [L376] SORT_4 var_117_arg_0 = var_115; [L377] SORT_4 var_117_arg_1 = var_116; [L378] SORT_4 var_117 = var_117_arg_0 + var_117_arg_1; [L379] EXPR var_117 & mask_SORT_4 [L379] var_117 = var_117 & mask_SORT_4 [L380] SORT_4 var_118_arg_0 = var_117; [L381] SORT_4 var_118_arg_1 = var_109; [L382] SORT_1 var_118 = var_118_arg_0 <= var_118_arg_1; [L383] SORT_1 var_119_arg_0 = ~state_107; [L384] EXPR var_119_arg_0 & mask_SORT_1 [L384] var_119_arg_0 = var_119_arg_0 & mask_SORT_1 [L385] SORT_1 var_119_arg_1 = ~var_118; [L386] EXPR var_119_arg_1 & mask_SORT_1 [L386] var_119_arg_1 = var_119_arg_1 & mask_SORT_1 [L387] EXPR var_119_arg_0 & var_119_arg_1 [L387] SORT_1 var_119 = var_119_arg_0 & var_119_arg_1; [L388] EXPR var_119 & mask_SORT_1 [L388] var_119 = var_119 & mask_SORT_1 [L389] SORT_1 bad_120_arg_0 = var_119; [L390] CALL __VERIFIER_assert(!(bad_120_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, 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: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s 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, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:18:47,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 31ca27375f398ecefeb38d2824375f66b97842151e0b3c2d9eec6a84ceebe72d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:18:50,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:50,525 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-23 21:18:50,534 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:50,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:50,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:50,582 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:50,583 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:50,584 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:50,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:50,590 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:50,590 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:50,591 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:50,593 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:50,593 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:50,594 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:50,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:50,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:50,596 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:50,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:50,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:50,598 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:50,598 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:18:50,598 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:18:50,599 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:18:50,599 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:50,600 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:50,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:50,601 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:18:50,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:50,603 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:50,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:50,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:50,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:50,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:50,605 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:18:50,605 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:18:50,606 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:50,606 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:50,607 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:50,608 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:50,608 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_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31ca27375f398ecefeb38d2824375f66b97842151e0b3c2d9eec6a84ceebe72d [2023-11-23 21:18:50,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:51,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:51,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:51,031 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:51,032 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:51,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248cecd2-2193-4637-8ca0-9adf1c2b3c84/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.5.prop1-func-interl.c