./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.1.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_8fcb4712-889e-4e95-ae82-f859f2a79132/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcb4712-889e-4e95-ae82-f859f2a79132/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_8fcb4712-889e-4e95-ae82-f859f2a79132/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcb4712-889e-4e95-ae82-f859f2a79132/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcb4712-889e-4e95-ae82-f859f2a79132/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_8fcb4712-889e-4e95-ae82-f859f2a79132/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 a2b60ee3b9c40491dd19fe972b1a344483b16a47be7fdbf56396bbbd336d521a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:38:15,123 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:38:15,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcb4712-889e-4e95-ae82-f859f2a79132/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 20:38:15,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:38:15,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:38:15,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:38:15,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:38:15,333 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:38:15,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:38:15,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:38:15,341 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:38:15,343 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:38:15,343 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:38:15,346 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:38:15,346 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:38:15,347 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:38:15,347 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:38:15,348 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:38:15,348 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:38:15,349 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:38:15,349 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:38:15,350 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:38:15,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:38:15,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:38:15,353 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:38:15,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:38:15,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:38:15,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:38:15,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:38:15,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:38:15,357 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:38:15,357 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:38:15,358 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:38:15,358 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:38:15,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:38:15,359 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:38:15,359 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:38:15,359 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:38:15,359 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:38:15,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:38:15,360 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:38:15,360 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:38:15,361 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:38:15,361 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:38:15,362 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_8fcb4712-889e-4e95-ae82-f859f2a79132/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcb4712-889e-4e95-ae82-f859f2a79132/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2b60ee3b9c40491dd19fe972b1a344483b16a47be7fdbf56396bbbd336d521a [2023-11-23 20:38:15,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:38:15,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:38:15,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:38:15,811 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:38:15,812 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:38:15,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcb4712-889e-4e95-ae82-f859f2a79132/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.1.prop1-func-interl.c [2023-11-23 20:38:19,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:38:19,879 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:38:19,880 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcb4712-889e-4e95-ae82-f859f2a79132/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.1.prop1-func-interl.c [2023-11-23 20:38:19,941 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcb4712-889e-4e95-ae82-f859f2a79132/bin/utaipan-verify-mE87zJ7Ire/data/2f0991c42/26784ecd4d724b6bb09d97c48d908e1d/FLAG35e1220be [2023-11-23 20:38:19,964 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcb4712-889e-4e95-ae82-f859f2a79132/bin/utaipan-verify-mE87zJ7Ire/data/2f0991c42/26784ecd4d724b6bb09d97c48d908e1d [2023-11-23 20:38:19,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:38:19,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:38:19,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:38:19,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:38:19,987 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:38:19,988 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:38:19" (1/1) ... [2023-11-23 20:38:19,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eaf74f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:19, skipping insertion in model container [2023-11-23 20:38:19,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:38:19" (1/1) ... [2023-11-23 20:38:20,168 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:38:20,441 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_8fcb4712-889e-4e95-ae82-f859f2a79132/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.1.prop1-func-interl.c[1180,1193] [2023-11-23 20:38:21,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:38:21,285 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:38:21,302 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_8fcb4712-889e-4e95-ae82-f859f2a79132/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.1.prop1-func-interl.c[1180,1193] [2023-11-23 20:38:21,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:38:21,819 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:38:21,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:21 WrapperNode [2023-11-23 20:38:21,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:38:21,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:38:21,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:38:21,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:38:21,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:21" (1/1) ... [2023-11-23 20:38:22,046 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:21" (1/1) ... [2023-11-23 20:38:23,276 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9663 [2023-11-23 20:38:23,277 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:38:23,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:38:23,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:38:23,278 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:38:23,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:21" (1/1) ... [2023-11-23 20:38:23,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:21" (1/1) ... [2023-11-23 20:38:23,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:21" (1/1) ... [2023-11-23 20:38:23,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:21" (1/1) ... [2023-11-23 20:38:24,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:21" (1/1) ... [2023-11-23 20:38:24,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:21" (1/1) ... [2023-11-23 20:38:24,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:21" (1/1) ... [2023-11-23 20:38:24,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:21" (1/1) ... [2023-11-23 20:38:24,627 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:38:24,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:38:24,629 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:38:24,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:38:24,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:21" (1/1) ... [2023-11-23 20:38:24,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:38:24,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcb4712-889e-4e95-ae82-f859f2a79132/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:38:24,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcb4712-889e-4e95-ae82-f859f2a79132/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:38:24,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcb4712-889e-4e95-ae82-f859f2a79132/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:38:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:38:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:38:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:38:24,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:38:25,278 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:38:25,280 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:38:32,377 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:38:52,519 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:38:52,520 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:38:52,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:52 BoogieIcfgContainer [2023-11-23 20:38:52,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:38:52,526 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:38:52,526 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:38:52,531 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:38:52,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:38:19" (1/3) ... [2023-11-23 20:38:52,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b37304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:38:52, skipping insertion in model container [2023-11-23 20:38:52,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:21" (2/3) ... [2023-11-23 20:38:52,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b37304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:38:52, skipping insertion in model container [2023-11-23 20:38:52,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:52" (3/3) ... [2023-11-23 20:38:52,537 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.driving_phils.1.prop1-func-interl.c [2023-11-23 20:38:52,561 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:38:52,562 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:38:52,612 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:38:52,619 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;@6ad3f175, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:38:52,619 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:38:52,624 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 20:38:52,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:38:52,631 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:52,632 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 20:38:52,633 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:38:52,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:52,642 INFO L85 PathProgramCache]: Analyzing trace with hash 393235524, now seen corresponding path program 1 times [2023-11-23 20:38:52,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:52,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475462286] [2023-11-23 20:38:52,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:52,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:38:55,014 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:38:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:38:56,440 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:38:56,442 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:38:56,443 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:38:56,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:38:56,450 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:38:56,455 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:38:56,529 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 20:38:56,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:38:56 BoogieIcfgContainer [2023-11-23 20:38:56,565 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:38:56,567 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:38:56,567 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:38:56,567 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:38:56,568 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:52" (3/4) ... [2023-11-23 20:38:56,575 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:38:56,578 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:38:56,579 INFO L158 Benchmark]: Toolchain (without parser) took 36604.83ms. Allocated memory was 138.4MB in the beginning and 9.2GB in the end (delta: 9.1GB). Free memory was 73.3MB in the beginning and 8.4GB in the end (delta: -8.4GB). Peak memory consumption was 738.9MB. Max. memory is 16.1GB. [2023-11-23 20:38:56,580 INFO L158 Benchmark]: CDTParser took 1.88ms. Allocated memory is still 138.4MB. Free memory is still 112.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:38:56,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1845.44ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 73.0MB in the beginning and 115.9MB in the end (delta: -42.9MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2023-11-23 20:38:56,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 1451.44ms. Allocated memory was 192.9MB in the beginning and 285.2MB in the end (delta: 92.3MB). Free memory was 115.9MB in the beginning and 107.7MB in the end (delta: 8.1MB). Peak memory consumption was 167.9MB. Max. memory is 16.1GB. [2023-11-23 20:38:56,584 INFO L158 Benchmark]: Boogie Preprocessor took 1349.93ms. Allocated memory was 285.2MB in the beginning and 570.4MB in the end (delta: 285.2MB). Free memory was 107.7MB in the beginning and 341.1MB in the end (delta: -233.4MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-23 20:38:56,587 INFO L158 Benchmark]: RCFGBuilder took 27893.14ms. Allocated memory was 570.4MB in the beginning and 9.2GB in the end (delta: 8.7GB). Free memory was 340.0MB in the beginning and 8.5GB in the end (delta: -8.2GB). Peak memory consumption was 882.9MB. Max. memory is 16.1GB. [2023-11-23 20:38:56,589 INFO L158 Benchmark]: TraceAbstraction took 4038.79ms. Allocated memory is still 9.2GB. Free memory was 8.5GB in the beginning and 8.4GB in the end (delta: 76.5MB). Peak memory consumption was 76.5MB. Max. memory is 16.1GB. [2023-11-23 20:38:56,590 INFO L158 Benchmark]: Witness Printer took 11.65ms. Allocated memory is still 9.2GB. Free memory is still 8.4GB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:38:56,593 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.88ms. Allocated memory is still 138.4MB. Free memory is still 112.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1845.44ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 73.0MB in the beginning and 115.9MB in the end (delta: -42.9MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1451.44ms. Allocated memory was 192.9MB in the beginning and 285.2MB in the end (delta: 92.3MB). Free memory was 115.9MB in the beginning and 107.7MB in the end (delta: 8.1MB). Peak memory consumption was 167.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1349.93ms. Allocated memory was 285.2MB in the beginning and 570.4MB in the end (delta: 285.2MB). Free memory was 107.7MB in the beginning and 341.1MB in the end (delta: -233.4MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * RCFGBuilder took 27893.14ms. Allocated memory was 570.4MB in the beginning and 9.2GB in the end (delta: 8.7GB). Free memory was 340.0MB in the beginning and 8.5GB in the end (delta: -8.2GB). Peak memory consumption was 882.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4038.79ms. Allocated memory is still 9.2GB. Free memory was 8.5GB in the beginning and 8.4GB in the end (delta: 76.5MB). Peak memory consumption was 76.5MB. Max. memory is 16.1GB. * Witness Printer took 11.65ms. Allocated memory is still 9.2GB. Free memory is still 8.4GB. 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 bitwiseOr at line 277, overapproximation of shiftRight at line 281, overapproximation of bitwiseAnd at line 204. 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 - 5); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (5 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 16); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (16 - 1); [L38] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 24); [L39] const SORT_5 msb_SORT_5 = (SORT_5)1 << (24 - 1); [L41] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 32); [L42] const SORT_6 msb_SORT_6 = (SORT_6)1 << (32 - 1); [L44] const SORT_3 var_7 = 0; [L45] const SORT_4 var_20 = 0; [L46] const SORT_1 var_45 = 0; [L47] const SORT_4 var_78 = 0; [L48] const SORT_6 var_80 = 16; [L49] const SORT_4 var_92 = 1; [L50] const SORT_6 var_96 = 0; [L51] const SORT_5 var_99 = 0; [L52] const SORT_6 var_100 = 1; [L53] const SORT_6 var_101 = 2; [L54] const SORT_3 var_110 = 0; [L55] const SORT_4 var_197 = 65535; [L56] const SORT_4 var_218 = 0; [L57] const SORT_3 var_233 = 2; [L58] const SORT_3 var_235 = 1; [L59] const SORT_6 var_397 = 4294967295; [L61] SORT_1 input_91; [L62] SORT_1 input_95; [L63] SORT_1 input_114; [L64] SORT_1 input_124; [L65] SORT_1 input_130; [L66] SORT_1 input_136; [L67] SORT_1 input_149; [L68] SORT_1 input_160; [L69] SORT_1 input_194; [L70] SORT_1 input_195; [L71] SORT_1 input_202; [L72] SORT_1 input_208; [L73] SORT_1 input_213; [L74] SORT_1 input_231; [L75] SORT_1 input_232; [L76] SORT_1 input_234; [L77] SORT_1 input_236; [L78] SORT_1 input_242; [L79] SORT_1 input_246; [L80] SORT_1 input_247; [L81] SORT_1 input_248; [L82] SORT_1 input_249; [L83] SORT_1 input_250; [L84] SORT_1 input_251; [L85] SORT_1 input_252; [L86] SORT_1 input_272; [L87] SORT_1 input_275; [L88] SORT_1 input_276; [L89] SORT_1 input_277; [L90] SORT_1 input_278; [L91] SORT_1 input_279; [L92] SORT_1 input_280; [L93] SORT_1 input_301; [L94] SORT_1 input_311; [L95] SORT_1 input_353; [L96] SORT_1 input_375; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L98] SORT_3 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L99] SORT_3 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L100] SORT_3 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L101] SORT_3 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L102] SORT_3 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L103] SORT_3 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L104] EXPR __VERIFIER_nondet_ushort() & mask_SORT_4 [L104] SORT_4 state_21 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L105] EXPR __VERIFIER_nondet_ushort() & mask_SORT_4 [L105] SORT_4 state_23 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L106] EXPR __VERIFIER_nondet_ushort() & mask_SORT_4 [L106] SORT_4 state_25 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L107] EXPR __VERIFIER_nondet_ushort() & mask_SORT_4 [L107] SORT_4 state_27 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L108] EXPR __VERIFIER_nondet_ushort() & mask_SORT_4 [L108] SORT_4 state_29 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L109] EXPR __VERIFIER_nondet_ushort() & mask_SORT_4 [L109] SORT_4 state_31 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L110] EXPR __VERIFIER_nondet_ushort() & mask_SORT_4 [L110] SORT_4 state_33 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L111] SORT_3 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L112] SORT_3 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L113] EXPR __VERIFIER_nondet_ushort() & mask_SORT_4 [L113] SORT_4 state_39 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L114] EXPR __VERIFIER_nondet_ushort() & mask_SORT_4 [L114] SORT_4 state_41 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L115] EXPR __VERIFIER_nondet_ushort() & mask_SORT_4 [L115] SORT_4 state_43 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L117] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L124] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L125] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L126] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L127] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L128] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L129] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L130] SORT_1 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L131] SORT_1 state_76 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] SORT_3 init_9_arg_1 = var_7; [L134] state_8 = init_9_arg_1 [L135] SORT_3 init_11_arg_1 = var_7; [L136] state_10 = init_11_arg_1 [L137] SORT_3 init_13_arg_1 = var_7; [L138] state_12 = init_13_arg_1 [L139] SORT_3 init_15_arg_1 = var_7; [L140] state_14 = init_15_arg_1 [L141] SORT_3 init_17_arg_1 = var_7; [L142] state_16 = init_17_arg_1 [L143] SORT_3 init_19_arg_1 = var_7; [L144] state_18 = init_19_arg_1 [L145] SORT_4 init_22_arg_1 = var_20; [L146] state_21 = init_22_arg_1 [L147] SORT_4 init_24_arg_1 = var_20; [L148] state_23 = init_24_arg_1 [L149] SORT_4 init_26_arg_1 = var_20; [L150] state_25 = init_26_arg_1 [L151] SORT_4 init_28_arg_1 = var_20; [L152] state_27 = init_28_arg_1 [L153] SORT_4 init_30_arg_1 = var_20; [L154] state_29 = init_30_arg_1 [L155] SORT_4 init_32_arg_1 = var_20; [L156] state_31 = init_32_arg_1 [L157] SORT_4 init_34_arg_1 = var_20; [L158] state_33 = init_34_arg_1 [L159] SORT_3 init_36_arg_1 = var_7; [L160] state_35 = init_36_arg_1 [L161] SORT_3 init_38_arg_1 = var_7; [L162] state_37 = init_38_arg_1 [L163] SORT_4 init_40_arg_1 = var_20; [L164] state_39 = init_40_arg_1 [L165] SORT_4 init_42_arg_1 = var_20; [L166] state_41 = init_42_arg_1 [L167] SORT_4 init_44_arg_1 = var_20; [L168] state_43 = init_44_arg_1 [L169] SORT_1 init_47_arg_1 = var_45; [L170] state_46 = init_47_arg_1 [L171] SORT_1 init_49_arg_1 = var_45; [L172] state_48 = init_49_arg_1 [L173] SORT_1 init_51_arg_1 = var_45; [L174] state_50 = init_51_arg_1 [L175] SORT_1 init_53_arg_1 = var_45; [L176] state_52 = init_53_arg_1 [L177] SORT_1 init_55_arg_1 = var_45; [L178] state_54 = init_55_arg_1 [L179] SORT_1 init_57_arg_1 = var_45; [L180] state_56 = init_57_arg_1 [L181] SORT_1 init_59_arg_1 = var_45; [L182] state_58 = init_59_arg_1 [L183] SORT_1 init_61_arg_1 = var_45; [L184] state_60 = init_61_arg_1 [L185] SORT_1 init_63_arg_1 = var_45; [L186] state_62 = init_63_arg_1 [L187] SORT_1 init_65_arg_1 = var_45; [L188] state_64 = init_65_arg_1 [L189] SORT_1 init_67_arg_1 = var_45; [L190] state_66 = init_67_arg_1 [L191] SORT_1 init_69_arg_1 = var_45; [L192] state_68 = init_69_arg_1 [L193] SORT_1 init_71_arg_1 = var_45; [L194] state_70 = init_71_arg_1 [L195] SORT_1 init_73_arg_1 = var_45; [L196] state_72 = init_73_arg_1 [L197] SORT_1 init_75_arg_1 = var_45; [L198] state_74 = init_75_arg_1 [L199] SORT_1 init_77_arg_1 = var_45; [L200] state_76 = init_77_arg_1 VAL [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_22_arg_1=0, init_24_arg_1=0, init_26_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_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=31, mask_SORT_3=255, mask_SORT_4=65535, mask_SORT_5=16777215, mask_SORT_6=4294967295, msb_SORT_1=1, msb_SORT_2=16, msb_SORT_3=128, msb_SORT_4=32768, msb_SORT_5=8388608, msb_SORT_6=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=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_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_8=0, var_100=1, var_101=2, var_110=0, var_197=65535, var_20=0, var_218=0, var_233=2, var_235=1, var_397=4294967295, var_45=0, var_78=0, var_7=0, var_80=16, var_92=1, var_96=0, var_99=0] [L203] input_91 = __VERIFIER_nondet_uchar() [L204] EXPR input_91 & mask_SORT_1 [L204] input_91 = input_91 & mask_SORT_1 [L205] input_95 = __VERIFIER_nondet_uchar() [L206] EXPR input_95 & mask_SORT_1 [L206] input_95 = input_95 & mask_SORT_1 [L207] input_114 = __VERIFIER_nondet_uchar() [L208] EXPR input_114 & mask_SORT_1 [L208] input_114 = input_114 & mask_SORT_1 [L209] input_124 = __VERIFIER_nondet_uchar() [L210] EXPR input_124 & mask_SORT_1 [L210] input_124 = input_124 & mask_SORT_1 [L211] input_130 = __VERIFIER_nondet_uchar() [L212] EXPR input_130 & mask_SORT_1 [L212] input_130 = input_130 & mask_SORT_1 [L213] input_136 = __VERIFIER_nondet_uchar() [L214] EXPR input_136 & mask_SORT_1 [L214] input_136 = input_136 & mask_SORT_1 [L215] input_149 = __VERIFIER_nondet_uchar() [L216] EXPR input_149 & mask_SORT_1 [L216] input_149 = input_149 & mask_SORT_1 [L217] input_160 = __VERIFIER_nondet_uchar() [L218] EXPR input_160 & mask_SORT_1 [L218] input_160 = input_160 & mask_SORT_1 [L219] input_194 = __VERIFIER_nondet_uchar() [L220] EXPR input_194 & mask_SORT_1 [L220] input_194 = input_194 & mask_SORT_1 [L221] input_195 = __VERIFIER_nondet_uchar() [L222] EXPR input_195 & mask_SORT_1 [L222] input_195 = input_195 & mask_SORT_1 [L223] input_202 = __VERIFIER_nondet_uchar() [L224] EXPR input_202 & mask_SORT_1 [L224] input_202 = input_202 & mask_SORT_1 [L225] input_208 = __VERIFIER_nondet_uchar() [L226] EXPR input_208 & mask_SORT_1 [L226] input_208 = input_208 & mask_SORT_1 [L227] input_213 = __VERIFIER_nondet_uchar() [L228] EXPR input_213 & mask_SORT_1 [L228] input_213 = input_213 & mask_SORT_1 [L229] input_231 = __VERIFIER_nondet_uchar() [L230] EXPR input_231 & mask_SORT_1 [L230] input_231 = input_231 & mask_SORT_1 [L231] input_232 = __VERIFIER_nondet_uchar() [L232] EXPR input_232 & mask_SORT_1 [L232] input_232 = input_232 & mask_SORT_1 [L233] input_234 = __VERIFIER_nondet_uchar() [L234] EXPR input_234 & mask_SORT_1 [L234] input_234 = input_234 & mask_SORT_1 [L235] input_236 = __VERIFIER_nondet_uchar() [L236] EXPR input_236 & mask_SORT_1 [L236] input_236 = input_236 & mask_SORT_1 [L237] input_242 = __VERIFIER_nondet_uchar() [L238] EXPR input_242 & mask_SORT_1 [L238] input_242 = input_242 & mask_SORT_1 [L239] input_246 = __VERIFIER_nondet_uchar() [L240] EXPR input_246 & mask_SORT_1 [L240] input_246 = input_246 & mask_SORT_1 [L241] input_247 = __VERIFIER_nondet_uchar() [L242] EXPR input_247 & mask_SORT_1 [L242] input_247 = input_247 & mask_SORT_1 [L243] input_248 = __VERIFIER_nondet_uchar() [L244] EXPR input_248 & mask_SORT_1 [L244] input_248 = input_248 & mask_SORT_1 [L245] input_249 = __VERIFIER_nondet_uchar() [L246] EXPR input_249 & mask_SORT_1 [L246] input_249 = input_249 & mask_SORT_1 [L247] input_250 = __VERIFIER_nondet_uchar() [L248] EXPR input_250 & mask_SORT_1 [L248] input_250 = input_250 & mask_SORT_1 [L249] input_251 = __VERIFIER_nondet_uchar() [L250] EXPR input_251 & mask_SORT_1 [L250] input_251 = input_251 & mask_SORT_1 [L251] input_252 = __VERIFIER_nondet_uchar() [L252] EXPR input_252 & mask_SORT_1 [L252] input_252 = input_252 & mask_SORT_1 [L253] input_272 = __VERIFIER_nondet_uchar() [L254] EXPR input_272 & mask_SORT_1 [L254] input_272 = input_272 & mask_SORT_1 [L255] input_275 = __VERIFIER_nondet_uchar() [L256] EXPR input_275 & mask_SORT_1 [L256] input_275 = input_275 & mask_SORT_1 [L257] input_276 = __VERIFIER_nondet_uchar() [L258] EXPR input_276 & mask_SORT_1 [L258] input_276 = input_276 & mask_SORT_1 [L259] input_277 = __VERIFIER_nondet_uchar() [L260] EXPR input_277 & mask_SORT_1 [L260] input_277 = input_277 & mask_SORT_1 [L261] input_278 = __VERIFIER_nondet_uchar() [L262] EXPR input_278 & mask_SORT_1 [L262] input_278 = input_278 & mask_SORT_1 [L263] input_279 = __VERIFIER_nondet_uchar() [L264] EXPR input_279 & mask_SORT_1 [L264] input_279 = input_279 & mask_SORT_1 [L265] input_280 = __VERIFIER_nondet_uchar() [L266] EXPR input_280 & mask_SORT_1 [L266] input_280 = input_280 & mask_SORT_1 [L267] input_301 = __VERIFIER_nondet_uchar() [L268] EXPR input_301 & mask_SORT_1 [L268] input_301 = input_301 & mask_SORT_1 [L269] input_311 = __VERIFIER_nondet_uchar() [L270] EXPR input_311 & mask_SORT_1 [L270] input_311 = input_311 & mask_SORT_1 [L271] input_353 = __VERIFIER_nondet_uchar() [L272] input_375 = __VERIFIER_nondet_uchar() [L275] SORT_4 var_79_arg_0 = state_21; [L276] SORT_4 var_79_arg_1 = var_78; [L277] EXPR ((SORT_6)var_79_arg_0 << 16) | var_79_arg_1 [L277] SORT_6 var_79 = ((SORT_6)var_79_arg_0 << 16) | var_79_arg_1; [L278] SORT_6 var_81_arg_0 = var_79; [L279] EXPR var_81_arg_0 & msb_SORT_6 [L279] EXPR (var_81_arg_0 & msb_SORT_6) ? (var_81_arg_0 | ~mask_SORT_6) : (var_81_arg_0 & mask_SORT_6) [L279] EXPR var_81_arg_0 & mask_SORT_6 [L279] EXPR (var_81_arg_0 & msb_SORT_6) ? (var_81_arg_0 | ~mask_SORT_6) : (var_81_arg_0 & mask_SORT_6) [L279] var_81_arg_0 = (var_81_arg_0 & msb_SORT_6) ? (var_81_arg_0 | ~mask_SORT_6) : (var_81_arg_0 & mask_SORT_6) [L280] SORT_6 var_81_arg_1 = var_80; [L281] EXPR (int)var_81_arg_0 >> var_81_arg_1 [L281] SORT_6 var_81 = (int)var_81_arg_0 >> var_81_arg_1; [L282] EXPR var_81_arg_0 & msb_SORT_6 [L282] EXPR (var_81_arg_0 & msb_SORT_6) ? (var_81 | ~(mask_SORT_6 >> var_81_arg_1)) : var_81 [L282] var_81 = (var_81_arg_0 & msb_SORT_6) ? (var_81 | ~(mask_SORT_6 >> var_81_arg_1)) : var_81 [L283] EXPR var_81 & mask_SORT_6 [L283] var_81 = var_81 & mask_SORT_6 [L284] SORT_4 var_82_arg_0 = state_23; [L285] SORT_4 var_82_arg_1 = var_78; [L286] EXPR ((SORT_6)var_82_arg_0 << 16) | var_82_arg_1 [L286] SORT_6 var_82 = ((SORT_6)var_82_arg_0 << 16) | var_82_arg_1; [L287] SORT_6 var_83_arg_0 = var_82; [L288] EXPR var_83_arg_0 & msb_SORT_6 [L288] EXPR (var_83_arg_0 & msb_SORT_6) ? (var_83_arg_0 | ~mask_SORT_6) : (var_83_arg_0 & mask_SORT_6) [L288] EXPR var_83_arg_0 & mask_SORT_6 [L288] EXPR (var_83_arg_0 & msb_SORT_6) ? (var_83_arg_0 | ~mask_SORT_6) : (var_83_arg_0 & mask_SORT_6) [L288] var_83_arg_0 = (var_83_arg_0 & msb_SORT_6) ? (var_83_arg_0 | ~mask_SORT_6) : (var_83_arg_0 & mask_SORT_6) [L289] SORT_6 var_83_arg_1 = var_80; [L290] EXPR (int)var_83_arg_0 >> var_83_arg_1 [L290] SORT_6 var_83 = (int)var_83_arg_0 >> var_83_arg_1; [L291] EXPR var_83_arg_0 & msb_SORT_6 [L291] EXPR (var_83_arg_0 & msb_SORT_6) ? (var_83 | ~(mask_SORT_6 >> var_83_arg_1)) : var_83 [L291] var_83 = (var_83_arg_0 & msb_SORT_6) ? (var_83 | ~(mask_SORT_6 >> var_83_arg_1)) : var_83 [L292] EXPR var_83 & mask_SORT_6 [L292] var_83 = var_83 & mask_SORT_6 [L293] SORT_6 var_84_arg_0 = var_81; [L294] SORT_6 var_84_arg_1 = var_83; [L295] SORT_1 var_84 = var_84_arg_0 == var_84_arg_1; [L296] SORT_4 var_85_arg_0 = state_27; [L297] SORT_4 var_85_arg_1 = var_78; [L298] EXPR ((SORT_6)var_85_arg_0 << 16) | var_85_arg_1 [L298] SORT_6 var_85 = ((SORT_6)var_85_arg_0 << 16) | var_85_arg_1; [L299] SORT_6 var_86_arg_0 = var_85; [L300] EXPR var_86_arg_0 & msb_SORT_6 [L300] EXPR (var_86_arg_0 & msb_SORT_6) ? (var_86_arg_0 | ~mask_SORT_6) : (var_86_arg_0 & mask_SORT_6) [L300] EXPR var_86_arg_0 & mask_SORT_6 [L300] EXPR (var_86_arg_0 & msb_SORT_6) ? (var_86_arg_0 | ~mask_SORT_6) : (var_86_arg_0 & mask_SORT_6) [L300] var_86_arg_0 = (var_86_arg_0 & msb_SORT_6) ? (var_86_arg_0 | ~mask_SORT_6) : (var_86_arg_0 & mask_SORT_6) [L301] SORT_6 var_86_arg_1 = var_80; [L302] EXPR (int)var_86_arg_0 >> var_86_arg_1 [L302] SORT_6 var_86 = (int)var_86_arg_0 >> var_86_arg_1; [L303] EXPR var_86_arg_0 & msb_SORT_6 [L303] EXPR (var_86_arg_0 & msb_SORT_6) ? (var_86 | ~(mask_SORT_6 >> var_86_arg_1)) : var_86 [L303] var_86 = (var_86_arg_0 & msb_SORT_6) ? (var_86 | ~(mask_SORT_6 >> var_86_arg_1)) : var_86 [L304] EXPR var_86 & mask_SORT_6 [L304] var_86 = var_86 & mask_SORT_6 [L305] SORT_6 var_87_arg_0 = var_81; [L306] SORT_6 var_87_arg_1 = var_86; [L307] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L308] SORT_1 var_88_arg_0 = var_84; [L309] SORT_1 var_88_arg_1 = var_87; [L310] EXPR var_88_arg_0 | var_88_arg_1 [L310] SORT_1 var_88 = var_88_arg_0 | var_88_arg_1; [L311] SORT_1 var_89_arg_0 = ~state_76; [L312] EXPR var_89_arg_0 & mask_SORT_1 [L312] var_89_arg_0 = var_89_arg_0 & mask_SORT_1 [L313] SORT_1 var_89_arg_1 = var_88; [L314] EXPR var_89_arg_0 & var_89_arg_1 [L314] SORT_1 var_89 = var_89_arg_0 & var_89_arg_1; [L315] EXPR var_89 & mask_SORT_1 [L315] var_89 = var_89 & mask_SORT_1 [L316] SORT_1 bad_90_arg_0 = var_89; [L317] CALL __VERIFIER_assert(!(bad_90_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: 3.9s, 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, 2.1s 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 20:38:56,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcb4712-889e-4e95-ae82-f859f2a79132/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_8fcb4712-889e-4e95-ae82-f859f2a79132/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcb4712-889e-4e95-ae82-f859f2a79132/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_8fcb4712-889e-4e95-ae82-f859f2a79132/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcb4712-889e-4e95-ae82-f859f2a79132/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcb4712-889e-4e95-ae82-f859f2a79132/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_8fcb4712-889e-4e95-ae82-f859f2a79132/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 a2b60ee3b9c40491dd19fe972b1a344483b16a47be7fdbf56396bbbd336d521a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:38:59,475 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:38:59,600 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcb4712-889e-4e95-ae82-f859f2a79132/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-23 20:38:59,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:38:59,610 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:38:59,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:38:59,662 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:38:59,662 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:38:59,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:38:59,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:38:59,669 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:38:59,669 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:38:59,670 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:38:59,672 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:38:59,672 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:38:59,673 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:38:59,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:38:59,674 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:38:59,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:38:59,676 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:38:59,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:38:59,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:38:59,677 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:38:59,678 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:38:59,678 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:38:59,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:38:59,679 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:38:59,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:38:59,680 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:38:59,680 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:38:59,681 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:38:59,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:38:59,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:38:59,682 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:38:59,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:38:59,683 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:38:59,683 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:38:59,683 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:38:59,684 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:38:59,685 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:38:59,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:38:59,685 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_8fcb4712-889e-4e95-ae82-f859f2a79132/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcb4712-889e-4e95-ae82-f859f2a79132/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2b60ee3b9c40491dd19fe972b1a344483b16a47be7fdbf56396bbbd336d521a [2023-11-23 20:39:00,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:39:00,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:39:00,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:39:00,123 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:39:00,123 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:39:00,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcb4712-889e-4e95-ae82-f859f2a79132/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.1.prop1-func-interl.c