./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.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_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/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_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/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_f52af2cf-5c41-419f-9312-04c97b02373d/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 ec4ad5c3087d33b41ea5a98e18a71d9d74f551b4f0d4a83a1cb74449f522f78e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:13:00,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:13:00,181 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:13:00,188 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:13:00,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:13:00,223 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:13:00,224 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:13:00,225 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:13:00,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:13:00,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:13:00,227 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:13:00,228 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:13:00,228 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:13:00,229 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:13:00,229 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:13:00,230 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:13:00,230 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:13:00,231 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:13:00,231 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:13:00,237 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:13:00,237 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:13:00,238 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:13:00,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:13:00,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:13:00,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:13:00,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:13:00,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:13:00,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:13:00,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:13:00,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:13:00,243 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:13:00,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:13:00,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:13:00,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:00,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:13:00,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:13:00,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:13:00,244 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:13:00,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:13:00,245 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:13:00,245 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:13:00,245 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:13:00,246 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_f52af2cf-5c41-419f-9312-04c97b02373d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec4ad5c3087d33b41ea5a98e18a71d9d74f551b4f0d4a83a1cb74449f522f78e [2023-11-19 05:13:00,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:13:00,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:13:00,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:13:00,603 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:13:00,604 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:13:00,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c [2023-11-19 05:13:03,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:13:04,166 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:13:04,169 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c [2023-11-19 05:13:04,198 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/data/2a9a69e16/00ed44043bac4a7abed58eac5542d1b5/FLAGf1729b61c [2023-11-19 05:13:04,214 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/data/2a9a69e16/00ed44043bac4a7abed58eac5542d1b5 [2023-11-19 05:13:04,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:13:04,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:13:04,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:04,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:13:04,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:13:04,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:04" (1/1) ... [2023-11-19 05:13:04,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4beeefed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:04, skipping insertion in model container [2023-11-19 05:13:04,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:04" (1/1) ... [2023-11-19 05:13:04,321 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:13:04,579 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_f52af2cf-5c41-419f-9312-04c97b02373d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c[1268,1281] [2023-11-19 05:13:05,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:05,093 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:13:05,106 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_f52af2cf-5c41-419f-9312-04c97b02373d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c[1268,1281] [2023-11-19 05:13:05,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:05,349 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:13:05,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:05 WrapperNode [2023-11-19 05:13:05,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:05,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:05,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:13:05,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:13:05,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:05" (1/1) ... [2023-11-19 05:13:05,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:05" (1/1) ... [2023-11-19 05:13:06,048 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5365 [2023-11-19 05:13:06,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:06,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:13:06,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:13:06,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:13:06,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:05" (1/1) ... [2023-11-19 05:13:06,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:05" (1/1) ... [2023-11-19 05:13:06,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:05" (1/1) ... [2023-11-19 05:13:06,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:05" (1/1) ... [2023-11-19 05:13:06,431 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:05" (1/1) ... [2023-11-19 05:13:06,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:05" (1/1) ... [2023-11-19 05:13:06,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:05" (1/1) ... [2023-11-19 05:13:06,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:05" (1/1) ... [2023-11-19 05:13:06,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:13:06,932 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:13:06,932 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:13:06,933 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:13:06,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:05" (1/1) ... [2023-11-19 05:13:06,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:06,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:13:06,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:13:06,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:13:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:13:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:13:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:13:07,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:13:07,654 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:13:07,657 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:13:11,387 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:13:19,373 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:13:19,374 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:13:19,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:19 BoogieIcfgContainer [2023-11-19 05:13:19,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:13:19,385 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:13:19,385 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:13:19,388 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:13:19,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:13:04" (1/3) ... [2023-11-19 05:13:19,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb0cf88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:19, skipping insertion in model container [2023-11-19 05:13:19,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:05" (2/3) ... [2023-11-19 05:13:19,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb0cf88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:19, skipping insertion in model container [2023-11-19 05:13:19,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:19" (3/3) ... [2023-11-19 05:13:19,393 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c [2023-11-19 05:13:19,413 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:13:19,414 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:13:19,473 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:13:19,482 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;@b6f4cdf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:13:19,483 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:13:19,487 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 05:13:19,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 05:13:19,493 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:19,494 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-19 05:13:19,494 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:19,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:19,500 INFO L85 PathProgramCache]: Analyzing trace with hash 145474853, now seen corresponding path program 1 times [2023-11-19 05:13:19,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:13:19,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509457544] [2023-11-19 05:13:19,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:19,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:13:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:13:20,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:13:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:13:21,260 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:13:21,264 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:13:21,266 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:13:21,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:13:21,274 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:13:21,280 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:13:21,365 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 05:13:21,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:13:21 BoogieIcfgContainer [2023-11-19 05:13:21,400 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:13:21,401 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:13:21,401 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:13:21,401 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:13:21,402 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:19" (3/4) ... [2023-11-19 05:13:21,404 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:13:21,406 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:13:21,407 INFO L158 Benchmark]: Toolchain (without parser) took 17184.54ms. Allocated memory was 142.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 95.6MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 264.9MB. Max. memory is 16.1GB. [2023-11-19 05:13:21,408 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:13:21,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1124.45ms. Allocated memory was 142.6MB in the beginning and 211.8MB in the end (delta: 69.2MB). Free memory was 95.3MB in the beginning and 120.9MB in the end (delta: -25.6MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2023-11-19 05:13:21,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 697.89ms. Allocated memory is still 211.8MB. Free memory was 120.9MB in the beginning and 94.7MB in the end (delta: 26.2MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. [2023-11-19 05:13:21,419 INFO L158 Benchmark]: Boogie Preprocessor took 881.92ms. Allocated memory was 211.8MB in the beginning and 390.1MB in the end (delta: 178.3MB). Free memory was 93.9MB in the beginning and 254.9MB in the end (delta: -161.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-19 05:13:21,421 INFO L158 Benchmark]: RCFGBuilder took 12448.44ms. Allocated memory was 390.1MB in the beginning and 2.0GB in the end (delta: 1.6GB). Free memory was 254.9MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 606.1MB. Max. memory is 16.1GB. [2023-11-19 05:13:21,422 INFO L158 Benchmark]: TraceAbstraction took 2015.60ms. Allocated memory is still 2.0GB. Free memory was 1.4GB in the beginning and 1.7GB in the end (delta: -251.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:13:21,422 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 2.0GB. Free memory is still 1.7GB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:13:21,433 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1124.45ms. Allocated memory was 142.6MB in the beginning and 211.8MB in the end (delta: 69.2MB). Free memory was 95.3MB in the beginning and 120.9MB in the end (delta: -25.6MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 697.89ms. Allocated memory is still 211.8MB. Free memory was 120.9MB in the beginning and 94.7MB in the end (delta: 26.2MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 881.92ms. Allocated memory was 211.8MB in the beginning and 390.1MB in the end (delta: 178.3MB). Free memory was 93.9MB in the beginning and 254.9MB in the end (delta: -161.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * RCFGBuilder took 12448.44ms. Allocated memory was 390.1MB in the beginning and 2.0GB in the end (delta: 1.6GB). Free memory was 254.9MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 606.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2015.60ms. Allocated memory is still 2.0GB. Free memory was 1.4GB in the beginning and 1.7GB in the end (delta: -251.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 2.0GB. Free memory is still 1.7GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 347, overapproximation of bitwiseAnd at line 244. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 2); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (2 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 3); [L33] const SORT_6 msb_SORT_6 = (SORT_6)1 << (3 - 1); [L35] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 4); [L36] const SORT_12 msb_SORT_12 = (SORT_12)1 << (4 - 1); [L38] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 8); [L39] const SORT_16 msb_SORT_16 = (SORT_16)1 << (8 - 1); [L41] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 7); [L42] const SORT_21 msb_SORT_21 = (SORT_21)1 << (7 - 1); [L44] const SORT_21 var_22 = 1; [L45] const SORT_21 var_28 = 0; [L46] const SORT_21 var_32 = 2; [L47] const SORT_21 var_35 = 4; [L48] const SORT_21 var_38 = 64; [L49] const SORT_3 var_45 = 1; [L50] const SORT_3 var_49 = 0; [L51] const SORT_6 var_134 = 0; [L52] const SORT_21 var_728 = 8; [L53] const SORT_21 var_748 = 16; [L54] const SORT_21 var_763 = 32; [L56] SORT_1 input_2; [L57] SORT_3 input_4; [L58] SORT_3 input_5; [L59] SORT_6 input_7; [L60] SORT_3 input_8; [L61] SORT_3 input_9; [L62] SORT_3 input_10; [L63] SORT_3 input_11; [L64] SORT_12 input_13; [L65] SORT_3 input_14; [L66] SORT_3 input_15; [L67] SORT_16 input_17; [L68] SORT_3 input_18; [L69] SORT_3 input_19; [L70] SORT_3 input_20; [L71] SORT_3 input_356; [L72] SORT_3 input_378; [L73] SORT_3 input_393; [L74] SORT_3 input_408; [L75] SORT_3 input_423; [L76] SORT_3 input_438; [L77] SORT_3 input_453; [L78] SORT_3 input_468; [L79] SORT_3 input_483; [L80] SORT_3 input_498; [L81] SORT_3 input_513; [L82] SORT_3 input_528; [L83] SORT_3 input_543; [L84] SORT_3 input_558; [L85] SORT_3 input_573; [L86] SORT_3 input_588; [L87] SORT_3 input_604; [L88] SORT_3 input_606; [L89] SORT_3 input_608; [L90] SORT_3 input_610; [L91] SORT_3 input_612; [L92] SORT_3 input_614; [L93] SORT_3 input_616; [L94] SORT_3 input_618; [L95] SORT_3 input_623; [L96] SORT_21 input_664; [L97] SORT_21 input_665; [L98] SORT_21 input_666; [L99] SORT_21 input_667; [L100] SORT_21 input_670; [L101] SORT_21 input_674; [L102] SORT_21 input_678; [L103] SORT_21 input_686; [L104] SORT_21 input_690; [L105] SORT_21 input_692; [L106] SORT_21 input_696; [L107] SORT_21 input_699; [L108] SORT_21 input_703; [L109] SORT_21 input_708; [L110] SORT_21 input_712; [L111] SORT_21 input_717; [L112] SORT_21 input_719; [L113] SORT_21 input_720; [L114] SORT_21 input_722; [L115] SORT_21 input_726; [L116] SORT_21 input_732; [L117] SORT_21 input_739; [L118] SORT_21 input_740; [L119] SORT_21 input_742; [L120] SORT_21 input_746; [L121] SORT_21 input_752; [L122] SORT_21 input_754; [L123] SORT_21 input_755; [L124] SORT_21 input_757; [L125] SORT_21 input_761; [L126] SORT_21 input_767; [L127] SORT_21 input_771; [L128] SORT_21 input_776; [L129] SORT_21 input_778; [L130] SORT_21 input_784; [L131] SORT_21 input_796; [L132] SORT_3 input_801; [L133] SORT_3 input_810; [L134] SORT_3 input_829; [L135] SORT_3 input_836; [L136] SORT_3 input_847; [L137] SORT_3 input_853; [L138] SORT_3 input_859; [L139] SORT_3 input_865; [L140] SORT_3 input_871; [L141] SORT_3 input_877; [L142] SORT_3 input_883; [L143] SORT_3 input_889; [L144] SORT_3 input_895; [L145] SORT_3 input_901; [L146] SORT_3 input_907; [L147] SORT_3 input_913; [L148] SORT_3 input_919; [L150] EXPR __VERIFIER_nondet_uchar() & mask_SORT_21 [L150] SORT_21 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L151] EXPR __VERIFIER_nondet_uchar() & mask_SORT_21 [L151] SORT_21 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L152] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L152] SORT_3 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L153] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L153] SORT_3 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L154] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L154] SORT_3 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L155] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L155] SORT_3 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L156] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L156] SORT_3 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L157] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L157] SORT_3 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L158] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L158] SORT_3 state_82 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L159] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L159] SORT_3 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L160] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L160] SORT_3 state_102 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L161] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L161] SORT_3 state_104 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L162] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L162] SORT_3 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L163] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L163] SORT_3 state_112 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L164] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L164] SORT_3 state_117 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L165] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L165] SORT_3 state_120 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L166] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L166] SORT_3 state_130 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L167] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L167] SORT_3 state_137 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L168] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L168] SORT_3 state_140 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L169] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L169] SORT_3 state_149 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L170] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L170] SORT_3 state_154 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L171] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L171] SORT_3 state_157 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L172] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L172] SORT_3 state_169 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L173] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L173] SORT_3 state_179 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L174] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L174] SORT_3 state_184 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L175] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L175] SORT_3 state_187 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L176] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L176] SORT_3 state_196 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L177] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L177] SORT_3 state_209 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L178] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L178] SORT_3 state_222 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L180] SORT_21 init_24_arg_1 = var_22; [L181] state_23 = init_24_arg_1 [L182] SORT_21 init_27_arg_1 = var_22; [L183] state_26 = init_27_arg_1 [L184] SORT_3 init_51_arg_1 = var_49; [L185] state_50 = init_51_arg_1 [L186] SORT_3 init_53_arg_1 = var_49; [L187] state_52 = init_53_arg_1 [L188] SORT_3 init_55_arg_1 = var_49; [L189] state_54 = init_55_arg_1 [L190] SORT_3 init_59_arg_1 = var_49; [L191] state_58 = init_59_arg_1 [L192] SORT_3 init_63_arg_1 = var_49; [L193] state_62 = init_63_arg_1 [L194] SORT_3 init_67_arg_1 = var_49; [L195] state_66 = init_67_arg_1 [L196] SORT_3 init_83_arg_1 = var_49; [L197] state_82 = init_83_arg_1 [L198] SORT_3 init_100_arg_1 = var_49; [L199] state_99 = init_100_arg_1 [L200] SORT_3 init_103_arg_1 = var_49; [L201] state_102 = init_103_arg_1 [L202] SORT_3 init_105_arg_1 = var_49; [L203] state_104 = init_105_arg_1 [L204] SORT_3 init_109_arg_1 = var_49; [L205] state_108 = init_109_arg_1 [L206] SORT_3 init_113_arg_1 = var_49; [L207] state_112 = init_113_arg_1 [L208] SORT_3 init_118_arg_1 = var_49; [L209] state_117 = init_118_arg_1 [L210] SORT_3 init_121_arg_1 = var_49; [L211] state_120 = init_121_arg_1 [L212] SORT_3 init_131_arg_1 = var_49; [L213] state_130 = init_131_arg_1 [L214] SORT_3 init_138_arg_1 = var_49; [L215] state_137 = init_138_arg_1 [L216] SORT_3 init_141_arg_1 = var_49; [L217] state_140 = init_141_arg_1 [L218] SORT_3 init_150_arg_1 = var_49; [L219] state_149 = init_150_arg_1 [L220] SORT_3 init_155_arg_1 = var_49; [L221] state_154 = init_155_arg_1 [L222] SORT_3 init_158_arg_1 = var_49; [L223] state_157 = init_158_arg_1 [L224] SORT_3 init_170_arg_1 = var_49; [L225] state_169 = init_170_arg_1 [L226] SORT_3 init_180_arg_1 = var_49; [L227] state_179 = init_180_arg_1 [L228] SORT_3 init_185_arg_1 = var_49; [L229] state_184 = init_185_arg_1 [L230] SORT_3 init_188_arg_1 = var_49; [L231] state_187 = init_188_arg_1 [L232] SORT_3 init_197_arg_1 = var_49; [L233] state_196 = init_197_arg_1 [L234] SORT_3 init_210_arg_1 = var_49; [L235] state_209 = init_210_arg_1 [L236] SORT_3 init_223_arg_1 = var_49; [L237] state_222 = init_223_arg_1 VAL [init_100_arg_1=0, init_103_arg_1=0, init_105_arg_1=0, init_109_arg_1=0, init_113_arg_1=0, init_118_arg_1=0, init_121_arg_1=0, init_131_arg_1=0, init_138_arg_1=0, init_141_arg_1=0, init_150_arg_1=0, init_155_arg_1=0, init_158_arg_1=0, init_170_arg_1=0, init_180_arg_1=0, init_185_arg_1=0, init_188_arg_1=0, init_197_arg_1=0, init_210_arg_1=0, init_223_arg_1=0, init_24_arg_1=1, init_27_arg_1=1, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_59_arg_1=0, init_63_arg_1=0, init_67_arg_1=0, init_83_arg_1=0, mask_SORT_12=15, mask_SORT_16=255, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, msb_SORT_12=8, msb_SORT_16=128, msb_SORT_1=2, msb_SORT_21=64, msb_SORT_3=1, msb_SORT_6=4, state_102=0, state_104=0, state_108=0, state_112=0, state_117=0, state_120=0, state_130=0, state_137=0, state_140=0, state_149=0, state_154=0, state_157=0, state_169=0, state_179=0, state_184=0, state_187=0, state_196=0, state_209=0, state_222=0, state_23=1, state_26=1, state_50=0, state_52=0, state_54=0, state_58=0, state_62=0, state_66=0, state_82=0, state_99=0, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L240] input_2 = __VERIFIER_nondet_uchar() [L241] input_4 = __VERIFIER_nondet_uchar() [L242] input_5 = __VERIFIER_nondet_uchar() [L243] input_7 = __VERIFIER_nondet_uchar() [L244] EXPR input_7 & mask_SORT_6 [L244] input_7 = input_7 & mask_SORT_6 [L245] input_8 = __VERIFIER_nondet_uchar() [L246] input_9 = __VERIFIER_nondet_uchar() [L247] input_10 = __VERIFIER_nondet_uchar() [L248] input_11 = __VERIFIER_nondet_uchar() [L249] input_13 = __VERIFIER_nondet_uchar() [L250] input_14 = __VERIFIER_nondet_uchar() [L251] input_15 = __VERIFIER_nondet_uchar() [L252] input_17 = __VERIFIER_nondet_uchar() [L253] input_18 = __VERIFIER_nondet_uchar() [L254] input_19 = __VERIFIER_nondet_uchar() [L255] input_20 = __VERIFIER_nondet_uchar() [L256] input_356 = __VERIFIER_nondet_uchar() [L257] input_378 = __VERIFIER_nondet_uchar() [L258] input_393 = __VERIFIER_nondet_uchar() [L259] input_408 = __VERIFIER_nondet_uchar() [L260] input_423 = __VERIFIER_nondet_uchar() [L261] input_438 = __VERIFIER_nondet_uchar() [L262] input_453 = __VERIFIER_nondet_uchar() [L263] input_468 = __VERIFIER_nondet_uchar() [L264] input_483 = __VERIFIER_nondet_uchar() [L265] input_498 = __VERIFIER_nondet_uchar() [L266] input_513 = __VERIFIER_nondet_uchar() [L267] input_528 = __VERIFIER_nondet_uchar() [L268] input_543 = __VERIFIER_nondet_uchar() [L269] input_558 = __VERIFIER_nondet_uchar() [L270] input_573 = __VERIFIER_nondet_uchar() [L271] input_588 = __VERIFIER_nondet_uchar() [L272] input_604 = __VERIFIER_nondet_uchar() [L273] input_606 = __VERIFIER_nondet_uchar() [L274] input_608 = __VERIFIER_nondet_uchar() [L275] input_610 = __VERIFIER_nondet_uchar() [L276] input_612 = __VERIFIER_nondet_uchar() [L277] input_614 = __VERIFIER_nondet_uchar() [L278] input_616 = __VERIFIER_nondet_uchar() [L279] input_618 = __VERIFIER_nondet_uchar() [L280] input_623 = __VERIFIER_nondet_uchar() [L281] input_664 = __VERIFIER_nondet_uchar() [L282] input_665 = __VERIFIER_nondet_uchar() [L283] input_666 = __VERIFIER_nondet_uchar() [L284] input_667 = __VERIFIER_nondet_uchar() [L285] input_670 = __VERIFIER_nondet_uchar() [L286] input_674 = __VERIFIER_nondet_uchar() [L287] input_678 = __VERIFIER_nondet_uchar() [L288] input_686 = __VERIFIER_nondet_uchar() [L289] input_690 = __VERIFIER_nondet_uchar() [L290] input_692 = __VERIFIER_nondet_uchar() [L291] input_696 = __VERIFIER_nondet_uchar() [L292] input_699 = __VERIFIER_nondet_uchar() [L293] input_703 = __VERIFIER_nondet_uchar() [L294] input_708 = __VERIFIER_nondet_uchar() [L295] input_712 = __VERIFIER_nondet_uchar() [L296] input_717 = __VERIFIER_nondet_uchar() [L297] input_719 = __VERIFIER_nondet_uchar() [L298] input_720 = __VERIFIER_nondet_uchar() [L299] input_722 = __VERIFIER_nondet_uchar() [L300] input_726 = __VERIFIER_nondet_uchar() [L301] input_732 = __VERIFIER_nondet_uchar() [L302] input_739 = __VERIFIER_nondet_uchar() [L303] input_740 = __VERIFIER_nondet_uchar() [L304] input_742 = __VERIFIER_nondet_uchar() [L305] input_746 = __VERIFIER_nondet_uchar() [L306] input_752 = __VERIFIER_nondet_uchar() [L307] input_754 = __VERIFIER_nondet_uchar() [L308] input_755 = __VERIFIER_nondet_uchar() [L309] input_757 = __VERIFIER_nondet_uchar() [L310] input_761 = __VERIFIER_nondet_uchar() [L311] input_767 = __VERIFIER_nondet_uchar() [L312] input_771 = __VERIFIER_nondet_uchar() [L313] input_776 = __VERIFIER_nondet_uchar() [L314] input_778 = __VERIFIER_nondet_uchar() [L315] input_784 = __VERIFIER_nondet_uchar() [L316] input_796 = __VERIFIER_nondet_uchar() [L317] input_801 = __VERIFIER_nondet_uchar() [L318] input_810 = __VERIFIER_nondet_uchar() [L319] input_829 = __VERIFIER_nondet_uchar() [L320] input_836 = __VERIFIER_nondet_uchar() [L321] input_847 = __VERIFIER_nondet_uchar() [L322] input_853 = __VERIFIER_nondet_uchar() [L323] input_859 = __VERIFIER_nondet_uchar() [L324] input_865 = __VERIFIER_nondet_uchar() [L325] input_871 = __VERIFIER_nondet_uchar() [L326] input_877 = __VERIFIER_nondet_uchar() [L327] input_883 = __VERIFIER_nondet_uchar() [L328] input_889 = __VERIFIER_nondet_uchar() [L329] input_895 = __VERIFIER_nondet_uchar() [L330] input_901 = __VERIFIER_nondet_uchar() [L331] input_907 = __VERIFIER_nondet_uchar() [L332] input_913 = __VERIFIER_nondet_uchar() [L333] input_919 = __VERIFIER_nondet_uchar() [L336] SORT_21 var_25_arg_0 = state_23; [L337] SORT_21 var_25_arg_1 = var_22; [L338] SORT_3 var_25 = var_25_arg_0 == var_25_arg_1; [L339] SORT_21 var_29_arg_0 = state_26; [L340] SORT_21 var_29_arg_1 = var_28; [L341] SORT_3 var_29 = var_29_arg_0 == var_29_arg_1; [L342] SORT_21 var_30_arg_0 = state_26; [L343] SORT_21 var_30_arg_1 = var_22; [L344] SORT_3 var_30 = var_30_arg_0 == var_30_arg_1; [L345] SORT_3 var_31_arg_0 = var_29; [L346] SORT_3 var_31_arg_1 = var_30; [L347] EXPR var_31_arg_0 | var_31_arg_1 [L347] SORT_3 var_31 = var_31_arg_0 | var_31_arg_1; [L348] SORT_21 var_33_arg_0 = state_26; [L349] SORT_21 var_33_arg_1 = var_32; [L350] SORT_3 var_33 = var_33_arg_0 == var_33_arg_1; [L351] SORT_3 var_34_arg_0 = var_31; [L352] SORT_3 var_34_arg_1 = var_33; [L353] EXPR var_34_arg_0 | var_34_arg_1 [L353] SORT_3 var_34 = var_34_arg_0 | var_34_arg_1; [L354] SORT_21 var_36_arg_0 = state_26; [L355] SORT_21 var_36_arg_1 = var_35; [L356] SORT_3 var_36 = var_36_arg_0 == var_36_arg_1; [L357] SORT_3 var_37_arg_0 = var_34; [L358] SORT_3 var_37_arg_1 = var_36; [L359] EXPR var_37_arg_0 | var_37_arg_1 [L359] SORT_3 var_37 = var_37_arg_0 | var_37_arg_1; [L360] SORT_21 var_39_arg_0 = state_26; [L361] SORT_21 var_39_arg_1 = var_38; [L362] SORT_3 var_39 = var_39_arg_0 == var_39_arg_1; [L363] SORT_3 var_40_arg_0 = var_37; [L364] SORT_3 var_40_arg_1 = var_39; [L365] EXPR var_40_arg_0 | var_40_arg_1 [L365] SORT_3 var_40 = var_40_arg_0 | var_40_arg_1; [L366] SORT_3 var_41_arg_0 = var_25; [L367] SORT_3 var_41_arg_1 = var_40; [L368] EXPR var_41_arg_0 & var_41_arg_1 [L368] SORT_3 var_41 = var_41_arg_0 & var_41_arg_1; [L369] SORT_21 var_42_arg_0 = state_23; [L370] SORT_21 var_42_arg_1 = var_22; [L371] SORT_3 var_42 = var_42_arg_0 == var_42_arg_1; [L372] SORT_3 var_43_arg_0 = var_42; [L373] SORT_3 var_43 = ~var_43_arg_0; [L374] SORT_3 var_44_arg_0 = var_41; [L375] SORT_3 var_44_arg_1 = var_43; [L376] EXPR var_44_arg_0 | var_44_arg_1 [L376] SORT_3 var_44 = var_44_arg_0 | var_44_arg_1; [L377] SORT_3 var_46_arg_0 = var_44; [L378] SORT_3 var_46 = ~var_46_arg_0; [L379] SORT_3 var_47_arg_0 = var_45; [L380] SORT_3 var_47_arg_1 = var_46; [L381] EXPR var_47_arg_0 & var_47_arg_1 [L381] SORT_3 var_47 = var_47_arg_0 & var_47_arg_1; [L382] EXPR var_47 & mask_SORT_3 [L382] var_47 = var_47 & mask_SORT_3 [L383] SORT_3 bad_48_arg_0 = var_47; [L384] CALL __VERIFIER_assert(!(bad_48_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: 1.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s 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 05:13:21,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/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_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/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_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/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_f52af2cf-5c41-419f-9312-04c97b02373d/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 ec4ad5c3087d33b41ea5a98e18a71d9d74f551b4f0d4a83a1cb74449f522f78e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:13:24,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:13:24,511 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-19 05:13:24,523 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:13:24,524 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:13:24,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:13:24,570 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:13:24,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:13:24,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:13:24,576 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:13:24,577 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:13:24,577 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:13:24,578 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:13:24,580 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:13:24,580 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:13:24,580 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:13:24,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:13:24,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:13:24,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:13:24,584 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:13:24,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:13:24,585 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:13:24,585 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:13:24,585 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:13:24,586 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:13:24,586 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:13:24,587 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:13:24,587 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:13:24,587 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:13:24,588 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:13:24,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:24,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:13:24,590 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:13:24,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:13:24,591 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:13:24,591 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:13:24,591 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:13:24,592 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:13:24,592 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:13:24,597 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_f52af2cf-5c41-419f-9312-04c97b02373d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec4ad5c3087d33b41ea5a98e18a71d9d74f551b4f0d4a83a1cb74449f522f78e [2023-11-19 05:13:24,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:13:25,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:13:25,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:13:25,010 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:13:25,011 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:13:25,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c [2023-11-19 05:13:28,090 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:13:28,597 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:13:28,597 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c [2023-11-19 05:13:28,623 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/data/5e5abf89b/5862c75723f442cf91e2beabbe7cf7a0/FLAGf0d3d88f9 [2023-11-19 05:13:28,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/data/5e5abf89b/5862c75723f442cf91e2beabbe7cf7a0 [2023-11-19 05:13:28,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:13:28,655 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:13:28,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:28,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:13:28,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:13:28,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:28" (1/1) ... [2023-11-19 05:13:28,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6674cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:28, skipping insertion in model container [2023-11-19 05:13:28,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:28" (1/1) ... [2023-11-19 05:13:28,791 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:13:29,070 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_f52af2cf-5c41-419f-9312-04c97b02373d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c[1268,1281] [2023-11-19 05:13:29,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:29,543 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:13:29,559 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_f52af2cf-5c41-419f-9312-04c97b02373d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c[1268,1281] [2023-11-19 05:13:29,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:29,861 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:13:29,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:29 WrapperNode [2023-11-19 05:13:29,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:29,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:29,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:13:29,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:13:29,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:29" (1/1) ... [2023-11-19 05:13:29,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:29" (1/1) ... [2023-11-19 05:13:30,109 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2615 [2023-11-19 05:13:30,110 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:30,111 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:13:30,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:13:30,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:13:30,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:29" (1/1) ... [2023-11-19 05:13:30,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:29" (1/1) ... [2023-11-19 05:13:30,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:29" (1/1) ... [2023-11-19 05:13:30,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:29" (1/1) ... [2023-11-19 05:13:30,212 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:29" (1/1) ... [2023-11-19 05:13:30,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:29" (1/1) ... [2023-11-19 05:13:30,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:29" (1/1) ... [2023-11-19 05:13:30,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:29" (1/1) ... [2023-11-19 05:13:30,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:13:30,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:13:30,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:13:30,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:13:30,281 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:29" (1/1) ... [2023-11-19 05:13:30,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:30,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:13:30,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:13:30,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:13:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:13:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:13:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:13:30,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:13:30,945 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:13:30,948 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:13:34,892 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:13:34,899 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:13:34,900 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:13:34,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:34 BoogieIcfgContainer [2023-11-19 05:13:34,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:13:34,906 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:13:34,906 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:13:34,909 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:13:34,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:13:28" (1/3) ... [2023-11-19 05:13:34,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@264936ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:34, skipping insertion in model container [2023-11-19 05:13:34,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:29" (2/3) ... [2023-11-19 05:13:34,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@264936ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:34, skipping insertion in model container [2023-11-19 05:13:34,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:34" (3/3) ... [2023-11-19 05:13:34,912 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c [2023-11-19 05:13:34,932 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:13:34,932 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:13:34,981 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:13:34,989 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;@214490b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:13:34,989 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:13:34,994 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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 05:13:35,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 05:13:35,001 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:35,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 05:13:35,002 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:35,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:35,013 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-19 05:13:35,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:13:35,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [914571499] [2023-11-19 05:13:35,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:35,032 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 [2023-11-19 05:13:35,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:13:35,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:13:35,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:13:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:13:35,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 05:13:35,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:13:36,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:13:36,061 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:13:36,061 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:13:36,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [914571499] [2023-11-19 05:13:36,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [914571499] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:13:36,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:13:36,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:13:36,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964922507] [2023-11-19 05:13:36,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:13:36,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:13:36,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:13:36,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:13:36,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:13:36,114 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 05:13:36,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:13:36,417 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-19 05:13:36,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:13:36,419 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 5 [2023-11-19 05:13:36,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:13:36,429 INFO L225 Difference]: With dead ends: 19 [2023-11-19 05:13:36,429 INFO L226 Difference]: Without dead ends: 10 [2023-11-19 05:13:36,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:13:36,436 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:13:36,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 05:13:36,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-19 05:13:36,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-19 05:13:36,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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 05:13:36,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-19 05:13:36,472 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-19 05:13:36,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:13:36,472 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-19 05:13:36,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 05:13:36,473 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-19 05:13:36,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 05:13:36,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:36,474 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-19 05:13:36,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/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)] Forceful destruction successful, exit code 0 [2023-11-19 05:13:36,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:13:36,678 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:36,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:36,679 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-19 05:13:36,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:13:36,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549765862] [2023-11-19 05:13:36,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:36,683 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 [2023-11-19 05:13:36,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:13:36,685 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:13:36,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52af2cf-5c41-419f-9312-04c97b02373d/bin/utaipan-verify-t7M7D8N6sZ/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 (3)] Waiting until timeout for monitored process [2023-11-19 05:13:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:13:40,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 2151 conjuncts, 207 conjunts are in the unsatisfiable core [2023-11-19 05:13:40,067 INFO L285 TraceCheckSpWp]: Computing forward predicates...