./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ --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 c036b7ea49adda024aea0dce68b5e56a158089ddf06ef5bcd95f944dddc20307 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:57:06,903 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:57:07,049 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:57:07,058 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:57:07,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:57:07,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:57:07,130 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:57:07,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:57:07,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:57:07,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:57:07,140 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:57:07,141 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:57:07,142 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:57:07,144 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:57:07,144 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:57:07,145 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:57:07,145 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:57:07,146 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:57:07,146 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:57:07,147 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:57:07,147 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:57:07,148 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:57:07,149 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:57:07,150 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:57:07,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:57:07,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:57:07,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:57:07,161 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:57:07,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:57:07,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:57:07,163 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:57:07,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:57:07,164 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:57:07,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:57:07,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:57:07,165 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:57:07,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:57:07,165 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:57:07,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:57:07,166 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:57:07,166 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:57:07,167 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:57:07,167 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_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c036b7ea49adda024aea0dce68b5e56a158089ddf06ef5bcd95f944dddc20307 [2023-11-19 04:57:07,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:57:07,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:57:07,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:57:07,553 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:57:07,554 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:57:07,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.3.prop1-func-interl.c [2023-11-19 04:57:10,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:57:11,185 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:57:11,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b434f39d-e9e9-467a-8c56-994c45f4c831/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.3.prop1-func-interl.c [2023-11-19 04:57:11,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ/data/7bd11eb5a/3e2afb0705eb41b38a2dbfb76d32c58d/FLAG05d8644e0 [2023-11-19 04:57:11,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ/data/7bd11eb5a/3e2afb0705eb41b38a2dbfb76d32c58d [2023-11-19 04:57:11,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:57:11,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:57:11,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:57:11,233 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:57:11,239 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:57:11,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:57:11" (1/1) ... [2023-11-19 04:57:11,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@442d3653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:11, skipping insertion in model container [2023-11-19 04:57:11,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:57:11" (1/1) ... [2023-11-19 04:57:11,332 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:57:11,580 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_b434f39d-e9e9-467a-8c56-994c45f4c831/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.3.prop1-func-interl.c[1182,1195] [2023-11-19 04:57:12,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:57:12,332 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:57:12,343 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_b434f39d-e9e9-467a-8c56-994c45f4c831/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.3.prop1-func-interl.c[1182,1195] [2023-11-19 04:57:12,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:57:12,727 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:57:12,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:12 WrapperNode [2023-11-19 04:57:12,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:57:12,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:57:12,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:57:12,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:57:12,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:12" (1/1) ... [2023-11-19 04:57:12,864 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:12" (1/1) ... [2023-11-19 04:57:14,877 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13467 [2023-11-19 04:57:14,878 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:57:14,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:57:14,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:57:14,879 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:57:14,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:12" (1/1) ... [2023-11-19 04:57:14,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:12" (1/1) ... [2023-11-19 04:57:15,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:12" (1/1) ... [2023-11-19 04:57:15,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:12" (1/1) ... [2023-11-19 04:57:15,890 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:12" (1/1) ... [2023-11-19 04:57:15,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:12" (1/1) ... [2023-11-19 04:57:16,139 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:12" (1/1) ... [2023-11-19 04:57:16,192 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:12" (1/1) ... [2023-11-19 04:57:16,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:57:16,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:57:16,644 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:57:16,644 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:57:16,645 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:12" (1/1) ... [2023-11-19 04:57:16,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:57:16,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:57:16,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:57:16,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:57:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:57:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:57:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:57:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:57:17,426 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:57:17,429 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:57:26,084 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:57:50,381 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:57:50,381 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:57:50,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:57:50 BoogieIcfgContainer [2023-11-19 04:57:50,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:57:50,390 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:57:50,390 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:57:50,394 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:57:50,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:57:11" (1/3) ... [2023-11-19 04:57:50,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158032b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:57:50, skipping insertion in model container [2023-11-19 04:57:50,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:12" (2/3) ... [2023-11-19 04:57:50,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158032b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:57:50, skipping insertion in model container [2023-11-19 04:57:50,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:57:50" (3/3) ... [2023-11-19 04:57:50,399 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.production_cell.3.prop1-func-interl.c [2023-11-19 04:57:50,423 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:57:50,425 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:57:50,483 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:57:50,491 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;@55161844, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:57:50,491 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:57:50,496 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) [2023-11-19 04:57:50,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:57:50,501 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:57:50,502 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-19 04:57:50,503 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:57:50,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:57:50,508 INFO L85 PathProgramCache]: Analyzing trace with hash 537099828, now seen corresponding path program 1 times [2023-11-19 04:57:50,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:57:50,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777279006] [2023-11-19 04:57:50,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:50,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:57:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:57:51,591 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:57:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:57:52,199 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:57:52,203 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:57:52,204 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:57:52,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:57:52,213 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:57:52,218 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:57:52,295 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 04:57:52,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:57:52 BoogieIcfgContainer [2023-11-19 04:57:52,327 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:57:52,329 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:57:52,330 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:57:52,330 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:57:52,331 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:57:50" (3/4) ... [2023-11-19 04:57:52,334 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:57:52,336 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:57:52,338 INFO L158 Benchmark]: Toolchain (without parser) took 41105.42ms. Allocated memory was 176.2MB in the beginning and 11.6GB in the end (delta: 11.4GB). Free memory was 142.4MB in the beginning and 10.5GB in the end (delta: -10.4GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2023-11-19 04:57:52,339 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory was 101.1MB in the beginning and 101.0MB in the end (delta: 74.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:57:52,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1495.99ms. Allocated memory was 176.2MB in the beginning and 253.8MB in the end (delta: 77.6MB). Free memory was 142.4MB in the beginning and 169.1MB in the end (delta: -26.7MB). Peak memory consumption was 110.7MB. Max. memory is 16.1GB. [2023-11-19 04:57:52,341 INFO L158 Benchmark]: Boogie Procedure Inliner took 2147.83ms. Allocated memory was 253.8MB in the beginning and 478.2MB in the end (delta: 224.4MB). Free memory was 169.1MB in the beginning and 219.5MB in the end (delta: -50.3MB). Peak memory consumption was 217.1MB. Max. memory is 16.1GB. [2023-11-19 04:57:52,347 INFO L158 Benchmark]: Boogie Preprocessor took 1763.98ms. Allocated memory was 478.2MB in the beginning and 1.1GB in the end (delta: 631.2MB). Free memory was 219.5MB in the beginning and 772.1MB in the end (delta: -552.6MB). Peak memory consumption was 129.0MB. Max. memory is 16.1GB. [2023-11-19 04:57:52,349 INFO L158 Benchmark]: RCFGBuilder took 33743.48ms. Allocated memory was 1.1GB in the beginning and 11.6GB in the end (delta: 10.5GB). Free memory was 772.1MB in the beginning and 10.7GB in the end (delta: -9.9GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2023-11-19 04:57:52,350 INFO L158 Benchmark]: TraceAbstraction took 1937.42ms. Allocated memory is still 11.6GB. Free memory was 10.6GB in the beginning and 10.5GB in the end (delta: 147.8MB). Peak memory consumption was 146.8MB. Max. memory is 16.1GB. [2023-11-19 04:57:52,351 INFO L158 Benchmark]: Witness Printer took 6.92ms. Allocated memory is still 11.6GB. Free memory is still 10.5GB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:57:52,354 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory was 101.1MB in the beginning and 101.0MB in the end (delta: 74.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1495.99ms. Allocated memory was 176.2MB in the beginning and 253.8MB in the end (delta: 77.6MB). Free memory was 142.4MB in the beginning and 169.1MB in the end (delta: -26.7MB). Peak memory consumption was 110.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2147.83ms. Allocated memory was 253.8MB in the beginning and 478.2MB in the end (delta: 224.4MB). Free memory was 169.1MB in the beginning and 219.5MB in the end (delta: -50.3MB). Peak memory consumption was 217.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1763.98ms. Allocated memory was 478.2MB in the beginning and 1.1GB in the end (delta: 631.2MB). Free memory was 219.5MB in the beginning and 772.1MB in the end (delta: -552.6MB). Peak memory consumption was 129.0MB. Max. memory is 16.1GB. * RCFGBuilder took 33743.48ms. Allocated memory was 1.1GB in the beginning and 11.6GB in the end (delta: 10.5GB). Free memory was 772.1MB in the beginning and 10.7GB in the end (delta: -9.9GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * TraceAbstraction took 1937.42ms. Allocated memory is still 11.6GB. Free memory was 10.6GB in the beginning and 10.5GB in the end (delta: 147.8MB). Peak memory consumption was 146.8MB. Max. memory is 16.1GB. * Witness Printer took 6.92ms. Allocated memory is still 11.6GB. Free memory is still 10.5GB. 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 282. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_26 = 0; [L40] const SORT_2 var_127 = 0; [L41] const SORT_2 var_133 = 5; [L42] const SORT_2 var_135 = 4; [L43] const SORT_2 var_137 = 3; [L44] const SORT_2 var_139 = 2; [L45] const SORT_2 var_141 = 1; [L46] const SORT_3 var_151 = 0; [L47] const SORT_4 var_153 = 1; [L48] const SORT_2 var_166 = 255; [L49] const SORT_4 var_608 = 0; [L51] SORT_1 input_132; [L52] SORT_1 input_134; [L53] SORT_1 input_136; [L54] SORT_1 input_138; [L55] SORT_1 input_140; [L56] SORT_1 input_142; [L57] SORT_1 input_150; [L58] SORT_1 input_156; [L59] SORT_1 input_162; [L60] SORT_1 input_165; [L61] SORT_1 input_170; [L62] SORT_1 input_174; [L63] SORT_1 input_178; [L64] SORT_1 input_190; [L65] SORT_1 input_194; [L66] SORT_1 input_199; [L67] SORT_1 input_203; [L68] SORT_1 input_209; [L69] SORT_1 input_213; [L70] SORT_1 input_218; [L71] SORT_1 input_222; [L72] SORT_1 input_228; [L73] SORT_1 input_232; [L74] SORT_1 input_237; [L75] SORT_1 input_241; [L76] SORT_1 input_247; [L77] SORT_1 input_251; [L78] SORT_1 input_256; [L79] SORT_1 input_260; [L80] SORT_1 input_266; [L81] SORT_1 input_270; [L82] SORT_1 input_275; [L83] SORT_1 input_279; [L84] SORT_1 input_285; [L85] SORT_1 input_289; [L86] SORT_1 input_294; [L87] SORT_1 input_298; [L88] SORT_1 input_337; [L89] SORT_1 input_395; [L90] SORT_1 input_397; [L91] SORT_1 input_402; [L92] SORT_1 input_404; [L93] SORT_1 input_409; [L94] SORT_1 input_411; [L95] SORT_1 input_415; [L96] SORT_1 input_418; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L98] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L99] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L100] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L101] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L102] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L103] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L104] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L105] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L106] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L107] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L108] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L109] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L110] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L111] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L112] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L113] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L114] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L115] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L117] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L124] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L125] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L126] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L127] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L128] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L129] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L130] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L131] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L132] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L133] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L134] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L136] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L137] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L138] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L139] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L140] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L140] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L141] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L142] SORT_1 state_95 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L143] SORT_1 state_97 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L144] SORT_1 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L145] SORT_1 state_101 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L146] SORT_1 state_103 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L147] SORT_1 state_105 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L148] SORT_1 state_107 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L149] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L149] SORT_1 state_109 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L150] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L150] SORT_1 state_111 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L151] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L151] SORT_1 state_113 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L152] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L152] SORT_1 state_115 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L153] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L153] SORT_1 state_117 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L154] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L154] SORT_1 state_119 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L155] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L155] SORT_1 state_121 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L156] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L156] SORT_1 state_123 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L157] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L157] SORT_1 state_125 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L159] SORT_2 init_7_arg_1 = var_5; [L160] state_6 = init_7_arg_1 [L161] SORT_2 init_9_arg_1 = var_5; [L162] state_8 = init_9_arg_1 [L163] SORT_2 init_11_arg_1 = var_5; [L164] state_10 = init_11_arg_1 [L165] SORT_2 init_13_arg_1 = var_5; [L166] state_12 = init_13_arg_1 [L167] SORT_2 init_15_arg_1 = var_5; [L168] state_14 = init_15_arg_1 [L169] SORT_2 init_17_arg_1 = var_5; [L170] state_16 = init_17_arg_1 [L171] SORT_2 init_19_arg_1 = var_5; [L172] state_18 = init_19_arg_1 [L173] SORT_2 init_21_arg_1 = var_5; [L174] state_20 = init_21_arg_1 [L175] SORT_2 init_23_arg_1 = var_5; [L176] state_22 = init_23_arg_1 [L177] SORT_2 init_25_arg_1 = var_5; [L178] state_24 = init_25_arg_1 [L179] SORT_1 init_28_arg_1 = var_26; [L180] state_27 = init_28_arg_1 [L181] SORT_1 init_30_arg_1 = var_26; [L182] state_29 = init_30_arg_1 [L183] SORT_1 init_32_arg_1 = var_26; [L184] state_31 = init_32_arg_1 [L185] SORT_1 init_34_arg_1 = var_26; [L186] state_33 = init_34_arg_1 [L187] SORT_1 init_36_arg_1 = var_26; [L188] state_35 = init_36_arg_1 [L189] SORT_1 init_38_arg_1 = var_26; [L190] state_37 = init_38_arg_1 [L191] SORT_1 init_40_arg_1 = var_26; [L192] state_39 = init_40_arg_1 [L193] SORT_1 init_42_arg_1 = var_26; [L194] state_41 = init_42_arg_1 [L195] SORT_1 init_44_arg_1 = var_26; [L196] state_43 = init_44_arg_1 [L197] SORT_1 init_46_arg_1 = var_26; [L198] state_45 = init_46_arg_1 [L199] SORT_1 init_48_arg_1 = var_26; [L200] state_47 = init_48_arg_1 [L201] SORT_1 init_50_arg_1 = var_26; [L202] state_49 = init_50_arg_1 [L203] SORT_1 init_52_arg_1 = var_26; [L204] state_51 = init_52_arg_1 [L205] SORT_1 init_54_arg_1 = var_26; [L206] state_53 = init_54_arg_1 [L207] SORT_1 init_56_arg_1 = var_26; [L208] state_55 = init_56_arg_1 [L209] SORT_1 init_58_arg_1 = var_26; [L210] state_57 = init_58_arg_1 [L211] SORT_1 init_60_arg_1 = var_26; [L212] state_59 = init_60_arg_1 [L213] SORT_1 init_62_arg_1 = var_26; [L214] state_61 = init_62_arg_1 [L215] SORT_1 init_64_arg_1 = var_26; [L216] state_63 = init_64_arg_1 [L217] SORT_1 init_66_arg_1 = var_26; [L218] state_65 = init_66_arg_1 [L219] SORT_1 init_68_arg_1 = var_26; [L220] state_67 = init_68_arg_1 [L221] SORT_1 init_70_arg_1 = var_26; [L222] state_69 = init_70_arg_1 [L223] SORT_1 init_72_arg_1 = var_26; [L224] state_71 = init_72_arg_1 [L225] SORT_1 init_74_arg_1 = var_26; [L226] state_73 = init_74_arg_1 [L227] SORT_1 init_76_arg_1 = var_26; [L228] state_75 = init_76_arg_1 [L229] SORT_1 init_78_arg_1 = var_26; [L230] state_77 = init_78_arg_1 [L231] SORT_1 init_80_arg_1 = var_26; [L232] state_79 = init_80_arg_1 [L233] SORT_1 init_82_arg_1 = var_26; [L234] state_81 = init_82_arg_1 [L235] SORT_1 init_84_arg_1 = var_26; [L236] state_83 = init_84_arg_1 [L237] SORT_1 init_86_arg_1 = var_26; [L238] state_85 = init_86_arg_1 [L239] SORT_1 init_88_arg_1 = var_26; [L240] state_87 = init_88_arg_1 [L241] SORT_1 init_90_arg_1 = var_26; [L242] state_89 = init_90_arg_1 [L243] SORT_1 init_92_arg_1 = var_26; [L244] state_91 = init_92_arg_1 [L245] SORT_1 init_94_arg_1 = var_26; [L246] state_93 = init_94_arg_1 [L247] SORT_1 init_96_arg_1 = var_26; [L248] state_95 = init_96_arg_1 [L249] SORT_1 init_98_arg_1 = var_26; [L250] state_97 = init_98_arg_1 [L251] SORT_1 init_100_arg_1 = var_26; [L252] state_99 = init_100_arg_1 [L253] SORT_1 init_102_arg_1 = var_26; [L254] state_101 = init_102_arg_1 [L255] SORT_1 init_104_arg_1 = var_26; [L256] state_103 = init_104_arg_1 [L257] SORT_1 init_106_arg_1 = var_26; [L258] state_105 = init_106_arg_1 [L259] SORT_1 init_108_arg_1 = var_26; [L260] state_107 = init_108_arg_1 [L261] SORT_1 init_110_arg_1 = var_26; [L262] state_109 = init_110_arg_1 [L263] SORT_1 init_112_arg_1 = var_26; [L264] state_111 = init_112_arg_1 [L265] SORT_1 init_114_arg_1 = var_26; [L266] state_113 = init_114_arg_1 [L267] SORT_1 init_116_arg_1 = var_26; [L268] state_115 = init_116_arg_1 [L269] SORT_1 init_118_arg_1 = var_26; [L270] state_117 = init_118_arg_1 [L271] SORT_1 init_120_arg_1 = var_26; [L272] state_119 = init_120_arg_1 [L273] SORT_1 init_122_arg_1 = var_26; [L274] state_121 = init_122_arg_1 [L275] SORT_1 init_124_arg_1 = var_26; [L276] state_123 = init_124_arg_1 [L277] SORT_1 init_126_arg_1 = var_26; [L278] state_125 = init_126_arg_1 VAL [init_100_arg_1=0, init_102_arg_1=0, init_104_arg_1=0, init_106_arg_1=0, init_108_arg_1=0, init_110_arg_1=0, init_112_arg_1=0, init_114_arg_1=0, init_116_arg_1=0, init_118_arg_1=0, init_11_arg_1=0, init_120_arg_1=0, init_122_arg_1=0, init_124_arg_1=0, init_126_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_101=0, state_103=0, state_105=0, state_107=0, state_109=0, state_10=0, state_111=0, state_113=0, state_115=0, state_117=0, state_119=0, state_121=0, state_123=0, state_125=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_127=0, var_133=5, var_135=4, var_137=3, var_139=2, var_141=1, var_151=0, var_153=1, var_166=255, var_26=0, var_5=0, var_608=0] [L281] input_132 = __VERIFIER_nondet_uchar() [L282] EXPR input_132 & mask_SORT_1 [L282] input_132 = input_132 & mask_SORT_1 [L283] input_134 = __VERIFIER_nondet_uchar() [L284] EXPR input_134 & mask_SORT_1 [L284] input_134 = input_134 & mask_SORT_1 [L285] input_136 = __VERIFIER_nondet_uchar() [L286] EXPR input_136 & mask_SORT_1 [L286] input_136 = input_136 & mask_SORT_1 [L287] input_138 = __VERIFIER_nondet_uchar() [L288] EXPR input_138 & mask_SORT_1 [L288] input_138 = input_138 & mask_SORT_1 [L289] input_140 = __VERIFIER_nondet_uchar() [L290] EXPR input_140 & mask_SORT_1 [L290] input_140 = input_140 & mask_SORT_1 [L291] input_142 = __VERIFIER_nondet_uchar() [L292] EXPR input_142 & mask_SORT_1 [L292] input_142 = input_142 & mask_SORT_1 [L293] input_150 = __VERIFIER_nondet_uchar() [L294] EXPR input_150 & mask_SORT_1 [L294] input_150 = input_150 & mask_SORT_1 [L295] input_156 = __VERIFIER_nondet_uchar() [L296] EXPR input_156 & mask_SORT_1 [L296] input_156 = input_156 & mask_SORT_1 [L297] input_162 = __VERIFIER_nondet_uchar() [L298] EXPR input_162 & mask_SORT_1 [L298] input_162 = input_162 & mask_SORT_1 [L299] input_165 = __VERIFIER_nondet_uchar() [L300] EXPR input_165 & mask_SORT_1 [L300] input_165 = input_165 & mask_SORT_1 [L301] input_170 = __VERIFIER_nondet_uchar() [L302] EXPR input_170 & mask_SORT_1 [L302] input_170 = input_170 & mask_SORT_1 [L303] input_174 = __VERIFIER_nondet_uchar() [L304] EXPR input_174 & mask_SORT_1 [L304] input_174 = input_174 & mask_SORT_1 [L305] input_178 = __VERIFIER_nondet_uchar() [L306] EXPR input_178 & mask_SORT_1 [L306] input_178 = input_178 & mask_SORT_1 [L307] input_190 = __VERIFIER_nondet_uchar() [L308] input_194 = __VERIFIER_nondet_uchar() [L309] input_199 = __VERIFIER_nondet_uchar() [L310] input_203 = __VERIFIER_nondet_uchar() [L311] input_209 = __VERIFIER_nondet_uchar() [L312] input_213 = __VERIFIER_nondet_uchar() [L313] input_218 = __VERIFIER_nondet_uchar() [L314] input_222 = __VERIFIER_nondet_uchar() [L315] input_228 = __VERIFIER_nondet_uchar() [L316] input_232 = __VERIFIER_nondet_uchar() [L317] input_237 = __VERIFIER_nondet_uchar() [L318] input_241 = __VERIFIER_nondet_uchar() [L319] input_247 = __VERIFIER_nondet_uchar() [L320] input_251 = __VERIFIER_nondet_uchar() [L321] input_256 = __VERIFIER_nondet_uchar() [L322] input_260 = __VERIFIER_nondet_uchar() [L323] input_266 = __VERIFIER_nondet_uchar() [L324] input_270 = __VERIFIER_nondet_uchar() [L325] input_275 = __VERIFIER_nondet_uchar() [L326] input_279 = __VERIFIER_nondet_uchar() [L327] input_285 = __VERIFIER_nondet_uchar() [L328] input_289 = __VERIFIER_nondet_uchar() [L329] input_294 = __VERIFIER_nondet_uchar() [L330] input_298 = __VERIFIER_nondet_uchar() [L331] input_337 = __VERIFIER_nondet_uchar() [L332] input_395 = __VERIFIER_nondet_uchar() [L333] input_397 = __VERIFIER_nondet_uchar() [L334] input_402 = __VERIFIER_nondet_uchar() [L335] input_404 = __VERIFIER_nondet_uchar() [L336] input_409 = __VERIFIER_nondet_uchar() [L337] input_411 = __VERIFIER_nondet_uchar() [L338] input_415 = __VERIFIER_nondet_uchar() [L339] input_418 = __VERIFIER_nondet_uchar() [L342] SORT_2 var_128_arg_0 = var_127; [L343] SORT_2 var_128_arg_1 = state_6; [L344] SORT_1 var_128 = var_128_arg_0 == var_128_arg_1; [L345] SORT_1 var_129_arg_0 = ~state_125; [L346] EXPR var_129_arg_0 & mask_SORT_1 [L346] var_129_arg_0 = var_129_arg_0 & mask_SORT_1 [L347] SORT_1 var_129_arg_1 = var_128; [L348] EXPR var_129_arg_0 & var_129_arg_1 [L348] SORT_1 var_129 = var_129_arg_0 & var_129_arg_1; [L349] EXPR var_129 & mask_SORT_1 [L349] var_129 = var_129 & mask_SORT_1 [L350] SORT_1 bad_130_arg_0 = var_129; [L351] CALL __VERIFIER_assert(!(bad_130_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: 1.7s, 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, 0.8s 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 [2023-11-19 04:57:52,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ/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_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ --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 c036b7ea49adda024aea0dce68b5e56a158089ddf06ef5bcd95f944dddc20307 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:57:55,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:57:55,440 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b434f39d-e9e9-467a-8c56-994c45f4c831/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-19 04:57:55,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:57:55,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:57:55,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:57:55,517 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:57:55,517 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:57:55,518 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:57:55,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:57:55,524 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:57:55,524 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:57:55,525 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:57:55,527 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:57:55,527 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:57:55,528 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:57:55,529 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:57:55,530 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:57:55,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:57:55,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:57:55,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:57:55,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:57:55,532 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:57:55,532 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:57:55,533 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:57:55,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:57:55,533 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:57:55,534 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:57:55,534 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:57:55,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:57:55,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:57:55,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:57:55,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:57:55,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:57:55,539 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:57:55,539 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:57:55,539 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:57:55,540 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:57:55,540 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:57:55,541 INFO L153 SettingsManager]: * Logic for external solver=AUFBV