./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.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_c979a136-f97d-4299-8568-0da3e714cb05/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c979a136-f97d-4299-8568-0da3e714cb05/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_c979a136-f97d-4299-8568-0da3e714cb05/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c979a136-f97d-4299-8568-0da3e714cb05/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c979a136-f97d-4299-8568-0da3e714cb05/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_c979a136-f97d-4299-8568-0da3e714cb05/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 eaa03316816e0896c33f63e350536da2da8d625d1fb4f24d136de577404aba1b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:03,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:03,581 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c979a136-f97d-4299-8568-0da3e714cb05/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:14:03,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:03,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:03,634 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:03,637 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:03,638 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:03,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:03,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:03,645 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:03,646 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:03,647 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:03,648 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:14:03,649 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:03,650 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:03,650 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:14:03,651 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:14:03,651 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:03,653 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:14:03,654 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:14:03,655 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:14:03,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:03,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:03,657 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:14:03,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:03,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:03,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:03,659 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:03,660 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:03,661 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:03,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:03,662 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:03,662 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:03,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:03,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:03,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:03,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:03,664 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:14:03,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:14:03,664 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:03,665 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:03,665 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:03,665 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:03,666 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_c979a136-f97d-4299-8568-0da3e714cb05/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c979a136-f97d-4299-8568-0da3e714cb05/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaa03316816e0896c33f63e350536da2da8d625d1fb4f24d136de577404aba1b [2023-11-23 21:14:04,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:04,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:04,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:04,050 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:04,051 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:04,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c979a136-f97d-4299-8568-0da3e714cb05/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-func-interl.c [2023-11-23 21:14:07,531 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:08,147 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:08,148 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c979a136-f97d-4299-8568-0da3e714cb05/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-func-interl.c [2023-11-23 21:14:08,182 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c979a136-f97d-4299-8568-0da3e714cb05/bin/utaipan-verify-mE87zJ7Ire/data/e543fdca9/b3fef89bda7841e1a536e2f8f6a6e2cb/FLAG8304bbe50 [2023-11-23 21:14:08,199 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c979a136-f97d-4299-8568-0da3e714cb05/bin/utaipan-verify-mE87zJ7Ire/data/e543fdca9/b3fef89bda7841e1a536e2f8f6a6e2cb [2023-11-23 21:14:08,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:08,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:08,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:08,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:08,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:08,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:08" (1/1) ... [2023-11-23 21:14:08,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e135cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:08, skipping insertion in model container [2023-11-23 21:14:08,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:08" (1/1) ... [2023-11-23 21:14:08,346 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:08,643 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_c979a136-f97d-4299-8568-0da3e714cb05/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-func-interl.c[1174,1187] [2023-11-23 21:14:09,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:09,423 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:09,437 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_c979a136-f97d-4299-8568-0da3e714cb05/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-func-interl.c[1174,1187] [2023-11-23 21:14:09,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:09,782 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:09,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:09 WrapperNode [2023-11-23 21:14:09,784 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:09,785 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:09,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:09,785 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:09,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:09" (1/1) ... [2023-11-23 21:14:10,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:09" (1/1) ... [2023-11-23 21:14:11,538 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11315 [2023-11-23 21:14:11,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:11,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:11,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:11,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:11,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:09" (1/1) ... [2023-11-23 21:14:11,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:09" (1/1) ... [2023-11-23 21:14:11,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:09" (1/1) ... [2023-11-23 21:14:11,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:09" (1/1) ... [2023-11-23 21:14:12,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:09" (1/1) ... [2023-11-23 21:14:12,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:09" (1/1) ... [2023-11-23 21:14:12,763 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:09" (1/1) ... [2023-11-23 21:14:12,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:09" (1/1) ... [2023-11-23 21:14:13,237 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:13,239 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:13,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:13,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:13,240 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:09" (1/1) ... [2023-11-23 21:14:13,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:13,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c979a136-f97d-4299-8568-0da3e714cb05/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:13,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c979a136-f97d-4299-8568-0da3e714cb05/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:13,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c979a136-f97d-4299-8568-0da3e714cb05/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:14:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:14,152 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:14,155 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:22,850 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:43,591 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:43,591 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:14:43,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:43 BoogieIcfgContainer [2023-11-23 21:14:43,593 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:43,595 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:43,595 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:43,598 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:43,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:08" (1/3) ... [2023-11-23 21:14:43,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f870fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:43, skipping insertion in model container [2023-11-23 21:14:43,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:09" (2/3) ... [2023-11-23 21:14:43,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f870fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:43, skipping insertion in model container [2023-11-23 21:14:43,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:43" (3/3) ... [2023-11-23 21:14:43,601 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.fischer.7.prop1-func-interl.c [2023-11-23 21:14:43,617 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:43,617 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:14:43,660 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:43,666 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;@2529699a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:43,667 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:14:43,671 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 21:14:43,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 21:14:43,677 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:43,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 21:14:43,678 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:43,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:43,685 INFO L85 PathProgramCache]: Analyzing trace with hash 443290850, now seen corresponding path program 1 times [2023-11-23 21:14:43,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:43,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261837106] [2023-11-23 21:14:43,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:43,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:14:45,249 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:14:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:14:46,117 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:14:46,119 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:14:46,121 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:14:46,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:14:46,129 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:14:46,135 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:14:46,194 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 21:14:46,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:14:46 BoogieIcfgContainer [2023-11-23 21:14:46,225 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:14:46,228 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:14:46,228 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:14:46,228 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:14:46,229 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:43" (3/4) ... [2023-11-23 21:14:46,232 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:14:46,234 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:14:46,235 INFO L158 Benchmark]: Toolchain (without parser) took 38030.72ms. Allocated memory was 155.2MB in the beginning and 9.4GB in the end (delta: 9.2GB). Free memory was 107.8MB in the beginning and 8.8GB in the end (delta: -8.7GB). Peak memory consumption was 535.2MB. Max. memory is 16.1GB. [2023-11-23 21:14:46,237 INFO L158 Benchmark]: CDTParser took 1.49ms. Allocated memory is still 104.9MB. Free memory was 73.7MB in the beginning and 73.7MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:46,238 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1578.12ms. Allocated memory is still 155.2MB. Free memory was 107.8MB in the beginning and 70.3MB in the end (delta: 37.5MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. [2023-11-23 21:14:46,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 1768.08ms. Allocated memory was 155.2MB in the beginning and 402.7MB in the end (delta: 247.5MB). Free memory was 70.3MB in the beginning and 178.6MB in the end (delta: -108.3MB). Peak memory consumption was 143.3MB. Max. memory is 16.1GB. [2023-11-23 21:14:46,245 INFO L158 Benchmark]: Boogie Preprocessor took 1684.19ms. Allocated memory was 402.7MB in the beginning and 805.3MB in the end (delta: 402.7MB). Free memory was 178.6MB in the beginning and 544.7MB in the end (delta: -366.1MB). Peak memory consumption was 92.1MB. Max. memory is 16.1GB. [2023-11-23 21:14:46,247 INFO L158 Benchmark]: RCFGBuilder took 30354.15ms. Allocated memory was 805.3MB in the beginning and 9.4GB in the end (delta: 8.6GB). Free memory was 544.7MB in the beginning and 8.6GB in the end (delta: -8.1GB). Peak memory consumption was 997.3MB. Max. memory is 16.1GB. [2023-11-23 21:14:46,247 INFO L158 Benchmark]: TraceAbstraction took 2630.35ms. Allocated memory is still 9.4GB. Free memory was 8.6GB in the beginning and 8.8GB in the end (delta: -166.7MB). Peak memory consumption was 208.7MB. Max. memory is 16.1GB. [2023-11-23 21:14:46,248 INFO L158 Benchmark]: Witness Printer took 6.35ms. Allocated memory is still 9.4GB. Free memory was 8.8GB in the beginning and 8.8GB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:46,253 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.49ms. Allocated memory is still 104.9MB. Free memory was 73.7MB in the beginning and 73.7MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1578.12ms. Allocated memory is still 155.2MB. Free memory was 107.8MB in the beginning and 70.3MB in the end (delta: 37.5MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1768.08ms. Allocated memory was 155.2MB in the beginning and 402.7MB in the end (delta: 247.5MB). Free memory was 70.3MB in the beginning and 178.6MB in the end (delta: -108.3MB). Peak memory consumption was 143.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1684.19ms. Allocated memory was 402.7MB in the beginning and 805.3MB in the end (delta: 402.7MB). Free memory was 178.6MB in the beginning and 544.7MB in the end (delta: -366.1MB). Peak memory consumption was 92.1MB. Max. memory is 16.1GB. * RCFGBuilder took 30354.15ms. Allocated memory was 805.3MB in the beginning and 9.4GB in the end (delta: 8.6GB). Free memory was 544.7MB in the beginning and 8.6GB in the end (delta: -8.1GB). Peak memory consumption was 997.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2630.35ms. Allocated memory is still 9.4GB. Free memory was 8.6GB in the beginning and 8.8GB in the end (delta: -166.7MB). Peak memory consumption was 208.7MB. Max. memory is 16.1GB. * Witness Printer took 6.35ms. Allocated memory is still 9.4GB. Free memory was 8.8GB in the beginning and 8.8GB in the end (delta: 2.7kB). 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 238. 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_24 = 0; [L40] const SORT_4 var_93 = 1; [L41] const SORT_4 var_94 = 0; [L42] const SORT_2 var_114 = 0; [L43] const SORT_2 var_116 = 8; [L44] const SORT_2 var_119 = 7; [L45] const SORT_2 var_122 = 6; [L46] const SORT_2 var_125 = 5; [L47] const SORT_2 var_128 = 4; [L48] const SORT_2 var_131 = 3; [L49] const SORT_2 var_134 = 2; [L50] const SORT_2 var_137 = 1; [L51] const SORT_2 var_155 = 255; [L52] const SORT_3 var_159 = 0; [L53] const SORT_4 var_163 = 255; [L55] SORT_1 input_113; [L56] SORT_1 input_115; [L57] SORT_1 input_117; [L58] SORT_1 input_118; [L59] SORT_1 input_120; [L60] SORT_1 input_121; [L61] SORT_1 input_123; [L62] SORT_1 input_124; [L63] SORT_1 input_126; [L64] SORT_1 input_127; [L65] SORT_1 input_129; [L66] SORT_1 input_130; [L67] SORT_1 input_132; [L68] SORT_1 input_133; [L69] SORT_1 input_135; [L70] SORT_1 input_136; [L71] SORT_1 input_156; [L72] SORT_1 input_157; [L73] SORT_1 input_158; [L74] SORT_1 input_175; [L75] SORT_1 input_176; [L76] SORT_1 input_191; [L77] SORT_1 input_192; [L78] SORT_1 input_207; [L79] SORT_1 input_208; [L80] SORT_1 input_223; [L81] SORT_1 input_224; [L82] SORT_1 input_239; [L83] SORT_1 input_240; [L84] SORT_1 input_255; [L85] SORT_1 input_256; [L86] SORT_1 input_271; [L87] SORT_1 input_272; [L88] SORT_1 input_289; [L89] SORT_1 input_297; [L90] SORT_1 input_305; [L91] SORT_1 input_313; [L92] SORT_1 input_321; [L93] SORT_1 input_329; [L94] SORT_1 input_337; [L95] SORT_1 input_345; [L96] SORT_1 input_353; [L97] SORT_1 input_361; [L98] SORT_1 input_369; [L99] SORT_1 input_377; [L100] SORT_1 input_385; [L101] SORT_1 input_393; [L102] SORT_1 input_401; [L103] SORT_1 input_409; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L105] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L106] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L107] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L108] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L109] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L110] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L111] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L112] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L113] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L114] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L115] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L117] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L124] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L125] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L126] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L127] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L128] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L129] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L130] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L131] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L132] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L133] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L134] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L136] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L137] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L138] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L139] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L140] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L140] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L141] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L142] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L143] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L144] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L145] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L146] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L147] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L149] SORT_2 init_7_arg_1 = var_5; [L150] state_6 = init_7_arg_1 [L151] SORT_2 init_9_arg_1 = var_5; [L152] state_8 = init_9_arg_1 [L153] SORT_2 init_11_arg_1 = var_5; [L154] state_10 = init_11_arg_1 [L155] SORT_2 init_13_arg_1 = var_5; [L156] state_12 = init_13_arg_1 [L157] SORT_2 init_15_arg_1 = var_5; [L158] state_14 = init_15_arg_1 [L159] SORT_2 init_17_arg_1 = var_5; [L160] state_16 = init_17_arg_1 [L161] SORT_2 init_19_arg_1 = var_5; [L162] state_18 = init_19_arg_1 [L163] SORT_2 init_21_arg_1 = var_5; [L164] state_20 = init_21_arg_1 [L165] SORT_2 init_23_arg_1 = var_5; [L166] state_22 = init_23_arg_1 [L167] SORT_1 init_26_arg_1 = var_24; [L168] state_25 = init_26_arg_1 [L169] SORT_1 init_28_arg_1 = var_24; [L170] state_27 = init_28_arg_1 [L171] SORT_1 init_30_arg_1 = var_24; [L172] state_29 = init_30_arg_1 [L173] SORT_1 init_32_arg_1 = var_24; [L174] state_31 = init_32_arg_1 [L175] SORT_1 init_34_arg_1 = var_24; [L176] state_33 = init_34_arg_1 [L177] SORT_1 init_36_arg_1 = var_24; [L178] state_35 = init_36_arg_1 [L179] SORT_1 init_38_arg_1 = var_24; [L180] state_37 = init_38_arg_1 [L181] SORT_1 init_40_arg_1 = var_24; [L182] state_39 = init_40_arg_1 [L183] SORT_1 init_42_arg_1 = var_24; [L184] state_41 = init_42_arg_1 [L185] SORT_1 init_44_arg_1 = var_24; [L186] state_43 = init_44_arg_1 [L187] SORT_1 init_46_arg_1 = var_24; [L188] state_45 = init_46_arg_1 [L189] SORT_1 init_48_arg_1 = var_24; [L190] state_47 = init_48_arg_1 [L191] SORT_1 init_50_arg_1 = var_24; [L192] state_49 = init_50_arg_1 [L193] SORT_1 init_52_arg_1 = var_24; [L194] state_51 = init_52_arg_1 [L195] SORT_1 init_54_arg_1 = var_24; [L196] state_53 = init_54_arg_1 [L197] SORT_1 init_56_arg_1 = var_24; [L198] state_55 = init_56_arg_1 [L199] SORT_1 init_58_arg_1 = var_24; [L200] state_57 = init_58_arg_1 [L201] SORT_1 init_60_arg_1 = var_24; [L202] state_59 = init_60_arg_1 [L203] SORT_1 init_62_arg_1 = var_24; [L204] state_61 = init_62_arg_1 [L205] SORT_1 init_64_arg_1 = var_24; [L206] state_63 = init_64_arg_1 [L207] SORT_1 init_66_arg_1 = var_24; [L208] state_65 = init_66_arg_1 [L209] SORT_1 init_68_arg_1 = var_24; [L210] state_67 = init_68_arg_1 [L211] SORT_1 init_70_arg_1 = var_24; [L212] state_69 = init_70_arg_1 [L213] SORT_1 init_72_arg_1 = var_24; [L214] state_71 = init_72_arg_1 [L215] SORT_1 init_74_arg_1 = var_24; [L216] state_73 = init_74_arg_1 [L217] SORT_1 init_76_arg_1 = var_24; [L218] state_75 = init_76_arg_1 [L219] SORT_1 init_78_arg_1 = var_24; [L220] state_77 = init_78_arg_1 [L221] SORT_1 init_80_arg_1 = var_24; [L222] state_79 = init_80_arg_1 [L223] SORT_1 init_82_arg_1 = var_24; [L224] state_81 = init_82_arg_1 [L225] SORT_1 init_84_arg_1 = var_24; [L226] state_83 = init_84_arg_1 [L227] SORT_1 init_86_arg_1 = var_24; [L228] state_85 = init_86_arg_1 [L229] SORT_1 init_88_arg_1 = var_24; [L230] state_87 = init_88_arg_1 [L231] SORT_1 init_90_arg_1 = var_24; [L232] state_89 = init_90_arg_1 [L233] SORT_1 init_92_arg_1 = var_24; [L234] state_91 = init_92_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_21_arg_1=0, init_23_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_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_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_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=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_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, var_114=0, var_116=8, var_119=7, var_122=6, var_125=5, var_128=4, var_131=3, var_134=2, var_137=1, var_155=255, var_159=0, var_163=255, var_24=0, var_5=0, var_93=1, var_94=0] [L237] input_113 = __VERIFIER_nondet_uchar() [L238] EXPR input_113 & mask_SORT_1 [L238] input_113 = input_113 & mask_SORT_1 [L239] input_115 = __VERIFIER_nondet_uchar() [L240] EXPR input_115 & mask_SORT_1 [L240] input_115 = input_115 & mask_SORT_1 [L241] input_117 = __VERIFIER_nondet_uchar() [L242] EXPR input_117 & mask_SORT_1 [L242] input_117 = input_117 & mask_SORT_1 [L243] input_118 = __VERIFIER_nondet_uchar() [L244] EXPR input_118 & mask_SORT_1 [L244] input_118 = input_118 & mask_SORT_1 [L245] input_120 = __VERIFIER_nondet_uchar() [L246] EXPR input_120 & mask_SORT_1 [L246] input_120 = input_120 & mask_SORT_1 [L247] input_121 = __VERIFIER_nondet_uchar() [L248] EXPR input_121 & mask_SORT_1 [L248] input_121 = input_121 & mask_SORT_1 [L249] input_123 = __VERIFIER_nondet_uchar() [L250] EXPR input_123 & mask_SORT_1 [L250] input_123 = input_123 & mask_SORT_1 [L251] input_124 = __VERIFIER_nondet_uchar() [L252] EXPR input_124 & mask_SORT_1 [L252] input_124 = input_124 & mask_SORT_1 [L253] input_126 = __VERIFIER_nondet_uchar() [L254] EXPR input_126 & mask_SORT_1 [L254] input_126 = input_126 & mask_SORT_1 [L255] input_127 = __VERIFIER_nondet_uchar() [L256] EXPR input_127 & mask_SORT_1 [L256] input_127 = input_127 & mask_SORT_1 [L257] input_129 = __VERIFIER_nondet_uchar() [L258] EXPR input_129 & mask_SORT_1 [L258] input_129 = input_129 & mask_SORT_1 [L259] input_130 = __VERIFIER_nondet_uchar() [L260] EXPR input_130 & mask_SORT_1 [L260] input_130 = input_130 & mask_SORT_1 [L261] input_132 = __VERIFIER_nondet_uchar() [L262] EXPR input_132 & mask_SORT_1 [L262] input_132 = input_132 & mask_SORT_1 [L263] input_133 = __VERIFIER_nondet_uchar() [L264] EXPR input_133 & mask_SORT_1 [L264] input_133 = input_133 & mask_SORT_1 [L265] input_135 = __VERIFIER_nondet_uchar() [L266] EXPR input_135 & mask_SORT_1 [L266] input_135 = input_135 & mask_SORT_1 [L267] input_136 = __VERIFIER_nondet_uchar() [L268] EXPR input_136 & mask_SORT_1 [L268] input_136 = input_136 & mask_SORT_1 [L269] input_156 = __VERIFIER_nondet_uchar() [L270] EXPR input_156 & mask_SORT_1 [L270] input_156 = input_156 & mask_SORT_1 [L271] input_157 = __VERIFIER_nondet_uchar() [L272] EXPR input_157 & mask_SORT_1 [L272] input_157 = input_157 & mask_SORT_1 [L273] input_158 = __VERIFIER_nondet_uchar() [L274] EXPR input_158 & mask_SORT_1 [L274] input_158 = input_158 & mask_SORT_1 [L275] input_175 = __VERIFIER_nondet_uchar() [L276] EXPR input_175 & mask_SORT_1 [L276] input_175 = input_175 & mask_SORT_1 [L277] input_176 = __VERIFIER_nondet_uchar() [L278] EXPR input_176 & mask_SORT_1 [L278] input_176 = input_176 & mask_SORT_1 [L279] input_191 = __VERIFIER_nondet_uchar() [L280] EXPR input_191 & mask_SORT_1 [L280] input_191 = input_191 & mask_SORT_1 [L281] input_192 = __VERIFIER_nondet_uchar() [L282] EXPR input_192 & mask_SORT_1 [L282] input_192 = input_192 & mask_SORT_1 [L283] input_207 = __VERIFIER_nondet_uchar() [L284] EXPR input_207 & mask_SORT_1 [L284] input_207 = input_207 & mask_SORT_1 [L285] input_208 = __VERIFIER_nondet_uchar() [L286] EXPR input_208 & mask_SORT_1 [L286] input_208 = input_208 & mask_SORT_1 [L287] input_223 = __VERIFIER_nondet_uchar() [L288] EXPR input_223 & mask_SORT_1 [L288] input_223 = input_223 & mask_SORT_1 [L289] input_224 = __VERIFIER_nondet_uchar() [L290] EXPR input_224 & mask_SORT_1 [L290] input_224 = input_224 & mask_SORT_1 [L291] input_239 = __VERIFIER_nondet_uchar() [L292] EXPR input_239 & mask_SORT_1 [L292] input_239 = input_239 & mask_SORT_1 [L293] input_240 = __VERIFIER_nondet_uchar() [L294] EXPR input_240 & mask_SORT_1 [L294] input_240 = input_240 & mask_SORT_1 [L295] input_255 = __VERIFIER_nondet_uchar() [L296] EXPR input_255 & mask_SORT_1 [L296] input_255 = input_255 & mask_SORT_1 [L297] input_256 = __VERIFIER_nondet_uchar() [L298] EXPR input_256 & mask_SORT_1 [L298] input_256 = input_256 & mask_SORT_1 [L299] input_271 = __VERIFIER_nondet_uchar() [L300] EXPR input_271 & mask_SORT_1 [L300] input_271 = input_271 & mask_SORT_1 [L301] input_272 = __VERIFIER_nondet_uchar() [L302] EXPR input_272 & mask_SORT_1 [L302] input_272 = input_272 & mask_SORT_1 [L303] input_289 = __VERIFIER_nondet_uchar() [L304] input_297 = __VERIFIER_nondet_uchar() [L305] input_305 = __VERIFIER_nondet_uchar() [L306] input_313 = __VERIFIER_nondet_uchar() [L307] input_321 = __VERIFIER_nondet_uchar() [L308] input_329 = __VERIFIER_nondet_uchar() [L309] input_337 = __VERIFIER_nondet_uchar() [L310] input_345 = __VERIFIER_nondet_uchar() [L311] input_353 = __VERIFIER_nondet_uchar() [L312] input_361 = __VERIFIER_nondet_uchar() [L313] input_369 = __VERIFIER_nondet_uchar() [L314] input_377 = __VERIFIER_nondet_uchar() [L315] input_385 = __VERIFIER_nondet_uchar() [L316] input_393 = __VERIFIER_nondet_uchar() [L317] input_401 = __VERIFIER_nondet_uchar() [L318] input_409 = __VERIFIER_nondet_uchar() [L321] SORT_1 var_95_arg_0 = state_33; [L322] SORT_4 var_95_arg_1 = var_93; [L323] SORT_4 var_95_arg_2 = var_94; [L324] SORT_4 var_95 = var_95_arg_0 ? var_95_arg_1 : var_95_arg_2; [L325] SORT_1 var_96_arg_0 = state_41; [L326] SORT_4 var_96_arg_1 = var_93; [L327] SORT_4 var_96_arg_2 = var_94; [L328] SORT_4 var_96 = var_96_arg_0 ? var_96_arg_1 : var_96_arg_2; [L329] SORT_4 var_97_arg_0 = var_95; [L330] SORT_4 var_97_arg_1 = var_96; [L331] SORT_4 var_97 = var_97_arg_0 + var_97_arg_1; [L332] SORT_1 var_98_arg_0 = state_49; [L333] SORT_4 var_98_arg_1 = var_93; [L334] SORT_4 var_98_arg_2 = var_94; [L335] SORT_4 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L336] SORT_4 var_99_arg_0 = var_97; [L337] SORT_4 var_99_arg_1 = var_98; [L338] SORT_4 var_99 = var_99_arg_0 + var_99_arg_1; [L339] SORT_1 var_100_arg_0 = state_57; [L340] SORT_4 var_100_arg_1 = var_93; [L341] SORT_4 var_100_arg_2 = var_94; [L342] SORT_4 var_100 = var_100_arg_0 ? var_100_arg_1 : var_100_arg_2; [L343] SORT_4 var_101_arg_0 = var_99; [L344] SORT_4 var_101_arg_1 = var_100; [L345] SORT_4 var_101 = var_101_arg_0 + var_101_arg_1; [L346] SORT_1 var_102_arg_0 = state_65; [L347] SORT_4 var_102_arg_1 = var_93; [L348] SORT_4 var_102_arg_2 = var_94; [L349] SORT_4 var_102 = var_102_arg_0 ? var_102_arg_1 : var_102_arg_2; [L350] SORT_4 var_103_arg_0 = var_101; [L351] SORT_4 var_103_arg_1 = var_102; [L352] SORT_4 var_103 = var_103_arg_0 + var_103_arg_1; [L353] SORT_1 var_104_arg_0 = state_73; [L354] SORT_4 var_104_arg_1 = var_93; [L355] SORT_4 var_104_arg_2 = var_94; [L356] SORT_4 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L357] SORT_4 var_105_arg_0 = var_103; [L358] SORT_4 var_105_arg_1 = var_104; [L359] SORT_4 var_105 = var_105_arg_0 + var_105_arg_1; [L360] SORT_1 var_106_arg_0 = state_81; [L361] SORT_4 var_106_arg_1 = var_93; [L362] SORT_4 var_106_arg_2 = var_94; [L363] SORT_4 var_106 = var_106_arg_0 ? var_106_arg_1 : var_106_arg_2; [L364] SORT_4 var_107_arg_0 = var_105; [L365] SORT_4 var_107_arg_1 = var_106; [L366] SORT_4 var_107 = var_107_arg_0 + var_107_arg_1; [L367] SORT_1 var_108_arg_0 = state_89; [L368] SORT_4 var_108_arg_1 = var_93; [L369] SORT_4 var_108_arg_2 = var_94; [L370] SORT_4 var_108 = var_108_arg_0 ? var_108_arg_1 : var_108_arg_2; [L371] SORT_4 var_109_arg_0 = var_107; [L372] SORT_4 var_109_arg_1 = var_108; [L373] SORT_4 var_109 = var_109_arg_0 + var_109_arg_1; [L374] EXPR var_109 & mask_SORT_4 [L374] var_109 = var_109 & mask_SORT_4 [L375] SORT_4 var_110_arg_0 = var_109; [L376] SORT_4 var_110_arg_1 = var_93; [L377] SORT_1 var_110 = var_110_arg_0 <= var_110_arg_1; [L378] SORT_1 var_111_arg_0 = ~state_91; [L379] EXPR var_111_arg_0 & mask_SORT_1 [L379] var_111_arg_0 = var_111_arg_0 & mask_SORT_1 [L380] SORT_1 var_111_arg_1 = ~var_110; [L381] EXPR var_111_arg_1 & mask_SORT_1 [L381] var_111_arg_1 = var_111_arg_1 & mask_SORT_1 [L382] EXPR var_111_arg_0 & var_111_arg_1 [L382] SORT_1 var_111 = var_111_arg_0 & var_111_arg_1; [L383] EXPR var_111 & mask_SORT_1 [L383] var_111 = var_111 & mask_SORT_1 [L384] SORT_1 bad_112_arg_0 = var_111; [L385] CALL __VERIFIER_assert(!(bad_112_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: 2.5s, 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: 0.0s SsaConstructionTime, 1.4s 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 21:14:46,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c979a136-f97d-4299-8568-0da3e714cb05/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_c979a136-f97d-4299-8568-0da3e714cb05/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c979a136-f97d-4299-8568-0da3e714cb05/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_c979a136-f97d-4299-8568-0da3e714cb05/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c979a136-f97d-4299-8568-0da3e714cb05/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c979a136-f97d-4299-8568-0da3e714cb05/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_c979a136-f97d-4299-8568-0da3e714cb05/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 eaa03316816e0896c33f63e350536da2da8d625d1fb4f24d136de577404aba1b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:49,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:49,447 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c979a136-f97d-4299-8568-0da3e714cb05/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-23 21:14:49,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:49,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:49,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:49,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:49,494 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:49,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:49,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:49,501 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:49,502 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:49,502 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:49,504 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:49,504 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:49,505 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:49,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:49,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:49,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:49,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:49,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:49,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:49,510 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:14:49,510 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:14:49,511 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:14:49,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:49,512 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:49,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:49,513 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:14:49,513 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:49,515 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:49,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:49,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:49,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:49,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:49,516 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:14:49,517 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:14:49,517 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:49,517 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:49,518 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:49,519 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:49,519 INFO L153 SettingsManager]: * Logic for external solver=AUFBV