./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/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_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/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_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/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 c9d35778558a3ada7383d15a63d45b82dfd23f65b5a6ef0432821afff949db36 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:09:21,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:09:21,202 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:09:21,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:09:21,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:09:21,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:09:21,252 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:09:21,252 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:09:21,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:09:21,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:09:21,259 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:09:21,260 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:09:21,260 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:09:21,262 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:09:21,262 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:09:21,263 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:09:21,263 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:09:21,264 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:09:21,264 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:09:21,265 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:09:21,266 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:09:21,267 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:09:21,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:09:21,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:09:21,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:09:21,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:09:21,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:09:21,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:09:21,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:09:21,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:09:21,272 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:09:21,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:09:21,273 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:09:21,273 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:09:21,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:21,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:09:21,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:09:21,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:09:21,274 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:09:21,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:09:21,275 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:09:21,275 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:09:21,275 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:09:21,276 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:09:21,276 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_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9d35778558a3ada7383d15a63d45b82dfd23f65b5a6ef0432821afff949db36 [2023-11-23 21:09:21,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:09:21,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:09:21,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:09:21,586 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:09:21,586 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:09:21,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c [2023-11-23 21:09:24,606 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:09:25,066 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:09:25,067 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c [2023-11-23 21:09:25,087 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/data/8d4665b5d/c53e8c5576ec4d468f7ff9893b28d473/FLAG450a63f3e [2023-11-23 21:09:25,100 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/data/8d4665b5d/c53e8c5576ec4d468f7ff9893b28d473 [2023-11-23 21:09:25,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:09:25,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:09:25,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:25,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:09:25,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:09:25,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:25" (1/1) ... [2023-11-23 21:09:25,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c205aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:25, skipping insertion in model container [2023-11-23 21:09:25,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:25" (1/1) ... [2023-11-23 21:09:25,234 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:09:25,493 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_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c[1182,1195] [2023-11-23 21:09:26,036 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:26,048 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:09:26,062 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_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c[1182,1195] [2023-11-23 21:09:26,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:26,262 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:09:26,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26 WrapperNode [2023-11-23 21:09:26,263 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:26,264 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:26,264 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:09:26,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:09:26,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:26,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:27,535 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9189 [2023-11-23 21:09:27,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:27,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:09:27,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:09:27,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:09:27,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:27,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:27,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:27,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:28,359 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:28,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:28,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:28,870 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:29,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:09:29,093 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:09:29,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:09:29,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:09:29,095 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:29,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:29,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:09:29,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:09:29,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:09:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:09:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:09:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:09:29,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:09:29,686 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:09:29,689 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:09:36,711 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:09:51,514 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:09:51,514 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:09:51,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:51 BoogieIcfgContainer [2023-11-23 21:09:51,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:09:51,520 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:09:51,520 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:09:51,523 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:09:51,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:09:25" (1/3) ... [2023-11-23 21:09:51,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b68e4a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:09:51, skipping insertion in model container [2023-11-23 21:09:51,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (2/3) ... [2023-11-23 21:09:51,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b68e4a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:09:51, skipping insertion in model container [2023-11-23 21:09:51,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:51" (3/3) ... [2023-11-23 21:09:51,527 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.production_cell.1.prop1-func-interl.c [2023-11-23 21:09:51,546 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:09:51,546 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:09:51,594 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:09:51,601 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;@5dd662ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:09:51,601 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:09:51,606 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 21:09:51,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 21:09:51,613 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:09:51,614 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 21:09:51,614 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:09:51,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:09:51,621 INFO L85 PathProgramCache]: Analyzing trace with hash 366065668, now seen corresponding path program 1 times [2023-11-23 21:09:51,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:09:51,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261073203] [2023-11-23 21:09:51,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:09:51,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:09:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:09:52,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:09:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:09:52,973 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:09:52,975 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:09:52,976 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:09:52,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:09:52,984 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:09:52,989 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:09:53,044 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 21:09:53,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:09:53 BoogieIcfgContainer [2023-11-23 21:09:53,077 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:09:53,079 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:09:53,079 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:09:53,080 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:09:53,080 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:51" (3/4) ... [2023-11-23 21:09:53,083 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:09:53,084 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:09:53,086 INFO L158 Benchmark]: Toolchain (without parser) took 27980.60ms. Allocated memory was 169.9MB in the beginning and 4.7GB in the end (delta: 4.5GB). Free memory was 134.3MB in the beginning and 4.2GB in the end (delta: -4.0GB). Peak memory consumption was 468.4MB. Max. memory is 16.1GB. [2023-11-23 21:09:53,086 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:09:53,088 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1156.58ms. Allocated memory is still 169.9MB. Free memory was 134.3MB in the beginning and 79.9MB in the end (delta: 54.5MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2023-11-23 21:09:53,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 1271.31ms. Allocated memory was 169.9MB in the beginning and 299.9MB in the end (delta: 130.0MB). Free memory was 79.5MB in the beginning and 118.8MB in the end (delta: -39.3MB). Peak memory consumption was 139.0MB. Max. memory is 16.1GB. [2023-11-23 21:09:53,095 INFO L158 Benchmark]: Boogie Preprocessor took 1556.96ms. Allocated memory was 299.9MB in the beginning and 599.8MB in the end (delta: 299.9MB). Free memory was 118.8MB in the beginning and 369.4MB in the end (delta: -250.6MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2023-11-23 21:09:53,097 INFO L158 Benchmark]: RCFGBuilder took 22423.87ms. Allocated memory was 599.8MB in the beginning and 4.7GB in the end (delta: 4.1GB). Free memory was 369.4MB in the beginning and 3.9GB in the end (delta: -3.5GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2023-11-23 21:09:53,098 INFO L158 Benchmark]: TraceAbstraction took 1557.10ms. Allocated memory is still 4.7GB. Free memory was 3.9GB in the beginning and 4.2GB in the end (delta: -307.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:09:53,098 INFO L158 Benchmark]: Witness Printer took 5.51ms. Allocated memory is still 4.7GB. Free memory was 4.2GB in the beginning and 4.2GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:09:53,109 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1156.58ms. Allocated memory is still 169.9MB. Free memory was 134.3MB in the beginning and 79.9MB in the end (delta: 54.5MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1271.31ms. Allocated memory was 169.9MB in the beginning and 299.9MB in the end (delta: 130.0MB). Free memory was 79.5MB in the beginning and 118.8MB in the end (delta: -39.3MB). Peak memory consumption was 139.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1556.96ms. Allocated memory was 299.9MB in the beginning and 599.8MB in the end (delta: 299.9MB). Free memory was 118.8MB in the beginning and 369.4MB in the end (delta: -250.6MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * RCFGBuilder took 22423.87ms. Allocated memory was 599.8MB in the beginning and 4.7GB in the end (delta: 4.1GB). Free memory was 369.4MB in the beginning and 3.9GB in the end (delta: -3.5GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * TraceAbstraction took 1557.10ms. Allocated memory is still 4.7GB. Free memory was 3.9GB in the beginning and 4.2GB in the end (delta: -307.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.51ms. Allocated memory is still 4.7GB. Free memory was 4.2GB in the beginning and 4.2GB in the end (delta: 1.0MB). 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 219. 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_97 = 0; [L41] const SORT_2 var_103 = 2; [L42] const SORT_2 var_105 = 1; [L43] const SORT_3 var_112 = 0; [L44] const SORT_4 var_114 = 1; [L45] const SORT_2 var_127 = 255; [L46] const SORT_4 var_413 = 0; [L48] SORT_1 input_102; [L49] SORT_1 input_104; [L50] SORT_1 input_106; [L51] SORT_1 input_111; [L52] SORT_1 input_117; [L53] SORT_1 input_123; [L54] SORT_1 input_126; [L55] SORT_1 input_131; [L56] SORT_1 input_135; [L57] SORT_1 input_139; [L58] SORT_1 input_151; [L59] SORT_1 input_155; [L60] SORT_1 input_160; [L61] SORT_1 input_164; [L62] SORT_1 input_170; [L63] SORT_1 input_174; [L64] SORT_1 input_179; [L65] SORT_1 input_183; [L66] SORT_1 input_189; [L67] SORT_1 input_193; [L68] SORT_1 input_198; [L69] SORT_1 input_202; [L70] SORT_1 input_229; [L71] SORT_1 input_269; [L72] SORT_1 input_271; [L73] SORT_1 input_276; [L74] SORT_1 input_278; [L75] SORT_1 input_283; [L76] SORT_1 input_285; [L77] SORT_1 input_289; [L78] SORT_1 input_292; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L80] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L81] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L82] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L83] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L84] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L85] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L86] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L87] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L88] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L89] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L90] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L91] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L92] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L93] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L94] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L95] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L96] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L97] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L98] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L99] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L100] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L101] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L102] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L103] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L104] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L105] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L106] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L107] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L108] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L109] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L110] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L111] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L112] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L113] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L114] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L115] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L117] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L124] SORT_1 state_95 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] SORT_2 init_7_arg_1 = var_5; [L127] state_6 = init_7_arg_1 [L128] SORT_2 init_9_arg_1 = var_5; [L129] state_8 = init_9_arg_1 [L130] SORT_2 init_11_arg_1 = var_5; [L131] state_10 = init_11_arg_1 [L132] SORT_2 init_13_arg_1 = var_5; [L133] state_12 = init_13_arg_1 [L134] SORT_2 init_15_arg_1 = var_5; [L135] state_14 = init_15_arg_1 [L136] SORT_2 init_17_arg_1 = var_5; [L137] state_16 = init_17_arg_1 [L138] SORT_2 init_19_arg_1 = var_5; [L139] state_18 = init_19_arg_1 [L140] SORT_2 init_21_arg_1 = var_5; [L141] state_20 = init_21_arg_1 [L142] SORT_2 init_23_arg_1 = var_5; [L143] state_22 = init_23_arg_1 [L144] SORT_2 init_25_arg_1 = var_5; [L145] state_24 = init_25_arg_1 [L146] SORT_1 init_28_arg_1 = var_26; [L147] state_27 = init_28_arg_1 [L148] SORT_1 init_30_arg_1 = var_26; [L149] state_29 = init_30_arg_1 [L150] SORT_1 init_32_arg_1 = var_26; [L151] state_31 = init_32_arg_1 [L152] SORT_1 init_34_arg_1 = var_26; [L153] state_33 = init_34_arg_1 [L154] SORT_1 init_36_arg_1 = var_26; [L155] state_35 = init_36_arg_1 [L156] SORT_1 init_38_arg_1 = var_26; [L157] state_37 = init_38_arg_1 [L158] SORT_1 init_40_arg_1 = var_26; [L159] state_39 = init_40_arg_1 [L160] SORT_1 init_42_arg_1 = var_26; [L161] state_41 = init_42_arg_1 [L162] SORT_1 init_44_arg_1 = var_26; [L163] state_43 = init_44_arg_1 [L164] SORT_1 init_46_arg_1 = var_26; [L165] state_45 = init_46_arg_1 [L166] SORT_1 init_48_arg_1 = var_26; [L167] state_47 = init_48_arg_1 [L168] SORT_1 init_50_arg_1 = var_26; [L169] state_49 = init_50_arg_1 [L170] SORT_1 init_52_arg_1 = var_26; [L171] state_51 = init_52_arg_1 [L172] SORT_1 init_54_arg_1 = var_26; [L173] state_53 = init_54_arg_1 [L174] SORT_1 init_56_arg_1 = var_26; [L175] state_55 = init_56_arg_1 [L176] SORT_1 init_58_arg_1 = var_26; [L177] state_57 = init_58_arg_1 [L178] SORT_1 init_60_arg_1 = var_26; [L179] state_59 = init_60_arg_1 [L180] SORT_1 init_62_arg_1 = var_26; [L181] state_61 = init_62_arg_1 [L182] SORT_1 init_64_arg_1 = var_26; [L183] state_63 = init_64_arg_1 [L184] SORT_1 init_66_arg_1 = var_26; [L185] state_65 = init_66_arg_1 [L186] SORT_1 init_68_arg_1 = var_26; [L187] state_67 = init_68_arg_1 [L188] SORT_1 init_70_arg_1 = var_26; [L189] state_69 = init_70_arg_1 [L190] SORT_1 init_72_arg_1 = var_26; [L191] state_71 = init_72_arg_1 [L192] SORT_1 init_74_arg_1 = var_26; [L193] state_73 = init_74_arg_1 [L194] SORT_1 init_76_arg_1 = var_26; [L195] state_75 = init_76_arg_1 [L196] SORT_1 init_78_arg_1 = var_26; [L197] state_77 = init_78_arg_1 [L198] SORT_1 init_80_arg_1 = var_26; [L199] state_79 = init_80_arg_1 [L200] SORT_1 init_82_arg_1 = var_26; [L201] state_81 = init_82_arg_1 [L202] SORT_1 init_84_arg_1 = var_26; [L203] state_83 = init_84_arg_1 [L204] SORT_1 init_86_arg_1 = var_26; [L205] state_85 = init_86_arg_1 [L206] SORT_1 init_88_arg_1 = var_26; [L207] state_87 = init_88_arg_1 [L208] SORT_1 init_90_arg_1 = var_26; [L209] state_89 = init_90_arg_1 [L210] SORT_1 init_92_arg_1 = var_26; [L211] state_91 = init_92_arg_1 [L212] SORT_1 init_94_arg_1 = var_26; [L213] state_93 = init_94_arg_1 [L214] SORT_1 init_96_arg_1 = var_26; [L215] state_95 = init_96_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_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_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_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, var_103=2, var_105=1, var_112=0, var_114=1, var_127=255, var_26=0, var_413=0, var_5=0, var_97=0] [L218] input_102 = __VERIFIER_nondet_uchar() [L219] EXPR input_102 & mask_SORT_1 [L219] input_102 = input_102 & mask_SORT_1 [L220] input_104 = __VERIFIER_nondet_uchar() [L221] EXPR input_104 & mask_SORT_1 [L221] input_104 = input_104 & mask_SORT_1 [L222] input_106 = __VERIFIER_nondet_uchar() [L223] EXPR input_106 & mask_SORT_1 [L223] input_106 = input_106 & mask_SORT_1 [L224] input_111 = __VERIFIER_nondet_uchar() [L225] EXPR input_111 & mask_SORT_1 [L225] input_111 = input_111 & mask_SORT_1 [L226] input_117 = __VERIFIER_nondet_uchar() [L227] EXPR input_117 & mask_SORT_1 [L227] input_117 = input_117 & mask_SORT_1 [L228] input_123 = __VERIFIER_nondet_uchar() [L229] EXPR input_123 & mask_SORT_1 [L229] input_123 = input_123 & mask_SORT_1 [L230] input_126 = __VERIFIER_nondet_uchar() [L231] EXPR input_126 & mask_SORT_1 [L231] input_126 = input_126 & mask_SORT_1 [L232] input_131 = __VERIFIER_nondet_uchar() [L233] EXPR input_131 & mask_SORT_1 [L233] input_131 = input_131 & mask_SORT_1 [L234] input_135 = __VERIFIER_nondet_uchar() [L235] EXPR input_135 & mask_SORT_1 [L235] input_135 = input_135 & mask_SORT_1 [L236] input_139 = __VERIFIER_nondet_uchar() [L237] EXPR input_139 & mask_SORT_1 [L237] input_139 = input_139 & mask_SORT_1 [L238] input_151 = __VERIFIER_nondet_uchar() [L239] input_155 = __VERIFIER_nondet_uchar() [L240] input_160 = __VERIFIER_nondet_uchar() [L241] input_164 = __VERIFIER_nondet_uchar() [L242] input_170 = __VERIFIER_nondet_uchar() [L243] input_174 = __VERIFIER_nondet_uchar() [L244] input_179 = __VERIFIER_nondet_uchar() [L245] input_183 = __VERIFIER_nondet_uchar() [L246] input_189 = __VERIFIER_nondet_uchar() [L247] input_193 = __VERIFIER_nondet_uchar() [L248] input_198 = __VERIFIER_nondet_uchar() [L249] input_202 = __VERIFIER_nondet_uchar() [L250] input_229 = __VERIFIER_nondet_uchar() [L251] input_269 = __VERIFIER_nondet_uchar() [L252] input_271 = __VERIFIER_nondet_uchar() [L253] input_276 = __VERIFIER_nondet_uchar() [L254] input_278 = __VERIFIER_nondet_uchar() [L255] input_283 = __VERIFIER_nondet_uchar() [L256] input_285 = __VERIFIER_nondet_uchar() [L257] input_289 = __VERIFIER_nondet_uchar() [L258] input_292 = __VERIFIER_nondet_uchar() [L261] SORT_2 var_98_arg_0 = var_97; [L262] SORT_2 var_98_arg_1 = state_6; [L263] SORT_1 var_98 = var_98_arg_0 == var_98_arg_1; [L264] SORT_1 var_99_arg_0 = ~state_95; [L265] EXPR var_99_arg_0 & mask_SORT_1 [L265] var_99_arg_0 = var_99_arg_0 & mask_SORT_1 [L266] SORT_1 var_99_arg_1 = var_98; [L267] EXPR var_99_arg_0 & var_99_arg_1 [L267] SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; [L268] EXPR var_99 & mask_SORT_1 [L268] var_99 = var_99 & mask_SORT_1 [L269] SORT_1 bad_100_arg_0 = var_99; [L270] CALL __VERIFIER_assert(!(bad_100_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: 1.4s, 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, 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 [2023-11-23 21:09:53,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/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_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/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_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/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 c9d35778558a3ada7383d15a63d45b82dfd23f65b5a6ef0432821afff949db36 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:09:55,947 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:09:56,072 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-23 21:09:56,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:09:56,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:09:56,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:09:56,126 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:09:56,127 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:09:56,128 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:09:56,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:09:56,133 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:09:56,134 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:09:56,134 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:09:56,136 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:09:56,136 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:09:56,137 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:09:56,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:09:56,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:09:56,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:09:56,140 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:09:56,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:09:56,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:09:56,141 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:09:56,142 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:09:56,142 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:09:56,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:09:56,143 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:09:56,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:09:56,144 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:09:56,144 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:09:56,145 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:09:56,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:56,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:09:56,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:09:56,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:09:56,147 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:09:56,147 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:09:56,147 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:09:56,148 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:09:56,149 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:09:56,149 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:09:56,149 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9d35778558a3ada7383d15a63d45b82dfd23f65b5a6ef0432821afff949db36 [2023-11-23 21:09:56,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:09:56,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:09:56,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:09:56,598 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:09:56,599 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:09:56,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c [2023-11-23 21:09:59,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:10:00,202 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:10:00,203 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c [2023-11-23 21:10:00,230 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/data/5d2d48637/a7005c8e64034293ba97d6b35a51fe11/FLAG3c0d7f94c [2023-11-23 21:10:00,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/data/5d2d48637/a7005c8e64034293ba97d6b35a51fe11 [2023-11-23 21:10:00,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:10:00,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:10:00,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:00,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:10:00,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:10:00,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:00" (1/1) ... [2023-11-23 21:10:00,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a8b582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:00, skipping insertion in model container [2023-11-23 21:10:00,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:00" (1/1) ... [2023-11-23 21:10:00,374 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:10:00,640 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_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c[1182,1195] [2023-11-23 21:10:01,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:01,190 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:10:01,204 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_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c[1182,1195] [2023-11-23 21:10:01,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:01,445 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:10:01,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:01 WrapperNode [2023-11-23 21:10:01,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:01,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:01,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:10:01,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:10:01,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:01" (1/1) ... [2023-11-23 21:10:01,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:01" (1/1) ... [2023-11-23 21:10:01,690 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2218 [2023-11-23 21:10:01,690 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:01,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:10:01,691 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:10:01,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:10:01,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:01" (1/1) ... [2023-11-23 21:10:01,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:01" (1/1) ... [2023-11-23 21:10:01,733 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:01" (1/1) ... [2023-11-23 21:10:01,733 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:01" (1/1) ... [2023-11-23 21:10:01,816 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:01" (1/1) ... [2023-11-23 21:10:01,835 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:01" (1/1) ... [2023-11-23 21:10:01,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:01" (1/1) ... [2023-11-23 21:10:01,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:01" (1/1) ... [2023-11-23 21:10:01,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:10:01,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:10:01,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:10:01,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:10:01,900 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:01" (1/1) ... [2023-11-23 21:10:01,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:01,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:10:01,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:10:01,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:10:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:10:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:10:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:10:01,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:10:02,445 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:10:02,448 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:10:06,717 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:10:06,837 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:10:06,837 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:10:06,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:06 BoogieIcfgContainer [2023-11-23 21:10:06,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:10:06,842 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:10:06,842 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:10:06,846 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:10:06,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:10:00" (1/3) ... [2023-11-23 21:10:06,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@940d539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:06, skipping insertion in model container [2023-11-23 21:10:06,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:01" (2/3) ... [2023-11-23 21:10:06,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@940d539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:06, skipping insertion in model container [2023-11-23 21:10:06,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:06" (3/3) ... [2023-11-23 21:10:06,850 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.production_cell.1.prop1-func-interl.c [2023-11-23 21:10:06,870 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:10:06,871 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:10:06,954 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:10:06,964 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;@1db04b49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:10:06,965 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:10:06,969 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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 21:10:06,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 21:10:06,975 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:06,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 21:10:06,978 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:06,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:06,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-23 21:10:07,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:07,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1028257239] [2023-11-23 21:10:07,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:07,005 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:10:07,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:07,010 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:10:07,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7bcbc1d-ba96-4621-bcfb-56a443ab5f5c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:10:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:10:07,510 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:10:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat