./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje --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 58eb58cb5c8fae443da843d32db0bd9b25c33d5587a82bee515f6a22a1baa423 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:44:21,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:44:21,241 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:44:21,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:44:21,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:44:21,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:44:21,304 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:44:21,305 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:44:21,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:44:21,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:44:21,308 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:44:21,308 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:44:21,309 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:44:21,309 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:44:21,312 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:44:21,312 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:44:21,313 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:44:21,313 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:44:21,314 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:44:21,314 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:44:21,315 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:44:21,319 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:44:21,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:44:21,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:44:21,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:44:21,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:44:21,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:44:21,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:44:21,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:44:21,324 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:44:21,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:44:21,325 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:44:21,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:44:21,326 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:44:21,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:44:21,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:44:21,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:44:21,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:44:21,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:44:21,329 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:44:21,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:44:21,330 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:44:21,330 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:44:21,331 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:44:21,331 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_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58eb58cb5c8fae443da843d32db0bd9b25c33d5587a82bee515f6a22a1baa423 [2024-11-09 05:44:21,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:44:21,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:44:21,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:44:21,711 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:44:21,711 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:44:21,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 05:44:24,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:44:24,820 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:44:24,821 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c [2024-11-09 05:44:24,864 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/data/2bcfb0ec4/3d7ded920491481093f42c48f14cf9e4/FLAGa71f98ef1 [2024-11-09 05:44:24,885 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/data/2bcfb0ec4/3d7ded920491481093f42c48f14cf9e4 [2024-11-09 05:44:24,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:44:24,892 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:44:24,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:44:24,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:44:24,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:44:24,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:44:24" (1/1) ... [2024-11-09 05:44:24,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b3a9744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:24, skipping insertion in model container [2024-11-09 05:44:24,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:44:24" (1/1) ... [2024-11-09 05:44:25,029 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:44:25,422 WARN L250 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_b53a1156-b5e2-4ade-ab78-7f3af7980645/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c[1175,1188] [2024-11-09 05:44:26,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:44:26,412 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:44:26,428 WARN L250 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_b53a1156-b5e2-4ade-ab78-7f3af7980645/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c[1175,1188] [2024-11-09 05:44:27,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:44:27,031 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:44:27,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:27 WrapperNode [2024-11-09 05:44:27,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:44:27,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:44:27,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:44:27,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:44:27,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:27" (1/1) ... [2024-11-09 05:44:27,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:27" (1/1) ... [2024-11-09 05:44:28,954 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12219 [2024-11-09 05:44:28,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:44:28,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:44:28,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:44:28,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:44:28,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:27" (1/1) ... [2024-11-09 05:44:28,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:27" (1/1) ... [2024-11-09 05:44:29,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:27" (1/1) ... [2024-11-09 05:44:29,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:27" (1/1) ... [2024-11-09 05:44:30,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:27" (1/1) ... [2024-11-09 05:44:30,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:27" (1/1) ... [2024-11-09 05:44:30,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:27" (1/1) ... [2024-11-09 05:44:30,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:27" (1/1) ... [2024-11-09 05:44:31,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:44:31,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:44:31,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:44:31,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:44:31,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:27" (1/1) ... [2024-11-09 05:44:31,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:44:31,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:44:31,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:44:31,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:44:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:44:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:44:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:44:31,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:44:32,409 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:44:32,412 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:44:56,154 INFO L? ?]: Removed 6882 outVars from TransFormulas that were not future-live. [2024-11-09 05:44:56,156 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:45:30,174 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:45:30,174 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:45:30,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:45:30 BoogieIcfgContainer [2024-11-09 05:45:30,175 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:45:30,178 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:45:30,178 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:45:30,182 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:45:30,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:44:24" (1/3) ... [2024-11-09 05:45:30,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a8dc34a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:45:30, skipping insertion in model container [2024-11-09 05:45:30,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:27" (2/3) ... [2024-11-09 05:45:30,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a8dc34a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:45:30, skipping insertion in model container [2024-11-09 05:45:30,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:45:30" (3/3) ... [2024-11-09 05:45:30,186 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.8.prop1-func-interl.c [2024-11-09 05:45:30,207 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:45:30,208 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:45:30,286 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:45:30,294 INFO L333 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, 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;@468d9e44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:45:30,294 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:45:30,303 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) [2024-11-09 05:45:30,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 05:45:30,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:30,312 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 05:45:30,313 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:45:30,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:30,321 INFO L85 PathProgramCache]: Analyzing trace with hash 613174475, now seen corresponding path program 1 times [2024-11-09 05:45:30,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:30,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239556748] [2024-11-09 05:45:30,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:30,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:45:31,749 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:45:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:45:32,474 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:45:32,477 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:45:32,479 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:45:32,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:45:32,488 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:45:32,552 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:45:32,579 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:45:32,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:45:32 BoogieIcfgContainer [2024-11-09 05:45:32,585 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:45:32,586 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:45:32,588 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:45:32,589 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:45:32,589 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:45:30" (3/4) ... [2024-11-09 05:45:32,593 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:45:32,594 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:45:32,596 INFO L158 Benchmark]: Toolchain (without parser) took 67703.50ms. Allocated memory was 159.4MB in the beginning and 10.7GB in the end (delta: 10.5GB). Free memory was 122.7MB in the beginning and 9.6GB in the end (delta: -9.5GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-09 05:45:32,597 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:45:32,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2135.98ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 122.7MB in the beginning and 95.7MB in the end (delta: 27.0MB). Peak memory consumption was 95.3MB. Max. memory is 16.1GB. [2024-11-09 05:45:32,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 1924.88ms. Allocated memory was 205.5MB in the beginning and 790.6MB in the end (delta: 585.1MB). Free memory was 95.7MB in the beginning and 522.9MB in the end (delta: -427.2MB). Peak memory consumption was 202.0MB. Max. memory is 16.1GB. [2024-11-09 05:45:32,601 INFO L158 Benchmark]: Boogie Preprocessor took 2275.36ms. Allocated memory is still 790.6MB. Free memory was 522.9MB in the beginning and 451.6MB in the end (delta: 71.3MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. [2024-11-09 05:45:32,603 INFO L158 Benchmark]: RCFGBuilder took 58940.11ms. Allocated memory was 790.6MB in the beginning and 10.7GB in the end (delta: 9.9GB). Free memory was 451.6MB in the beginning and 9.8GB in the end (delta: -9.4GB). Peak memory consumption was 3.1GB. Max. memory is 16.1GB. [2024-11-09 05:45:32,605 INFO L158 Benchmark]: TraceAbstraction took 2407.85ms. Allocated memory is still 10.7GB. Free memory was 9.8GB in the beginning and 9.6GB in the end (delta: 208.7MB). Peak memory consumption was 207.6MB. Max. memory is 16.1GB. [2024-11-09 05:45:32,606 INFO L158 Benchmark]: Witness Printer took 8.37ms. Allocated memory is still 10.7GB. Free memory was 9.6GB in the beginning and 9.6GB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:45:32,611 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2135.98ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 122.7MB in the beginning and 95.7MB in the end (delta: 27.0MB). Peak memory consumption was 95.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1924.88ms. Allocated memory was 205.5MB in the beginning and 790.6MB in the end (delta: 585.1MB). Free memory was 95.7MB in the beginning and 522.9MB in the end (delta: -427.2MB). Peak memory consumption was 202.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2275.36ms. Allocated memory is still 790.6MB. Free memory was 522.9MB in the beginning and 451.6MB in the end (delta: 71.3MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. * RCFGBuilder took 58940.11ms. Allocated memory was 790.6MB in the beginning and 10.7GB in the end (delta: 9.9GB). Free memory was 451.6MB in the beginning and 9.8GB in the end (delta: -9.4GB). Peak memory consumption was 3.1GB. Max. memory is 16.1GB. * TraceAbstraction took 2407.85ms. Allocated memory is still 10.7GB. Free memory was 9.8GB in the beginning and 9.6GB in the end (delta: 208.7MB). Peak memory consumption was 207.6MB. Max. memory is 16.1GB. * Witness Printer took 8.37ms. Allocated memory is still 10.7GB. Free memory was 9.6GB in the beginning and 9.6GB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. 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 271. 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_36 = 0; [L40] const SORT_4 var_109 = 1; [L41] const SORT_4 var_110 = 0; [L42] const SORT_2 var_127 = 1; [L43] const SORT_3 var_129 = 0; [L44] const SORT_4 var_132 = 7; [L45] const SORT_2 var_136 = 0; [L46] const SORT_4 var_254 = 2; [L47] const SORT_2 var_257 = 2; [L48] const SORT_4 var_299 = 3; [L49] const SORT_2 var_302 = 3; [L50] const SORT_4 var_344 = 4; [L51] const SORT_2 var_347 = 4; [L52] const SORT_4 var_389 = 5; [L53] const SORT_2 var_392 = 5; [L54] const SORT_4 var_434 = 6; [L55] const SORT_2 var_437 = 6; [L57] SORT_1 input_128; [L58] SORT_1 input_138; [L59] SORT_1 input_140; [L60] SORT_1 input_147; [L61] SORT_1 input_149; [L62] SORT_1 input_156; [L63] SORT_1 input_158; [L64] SORT_1 input_165; [L65] SORT_1 input_167; [L66] SORT_1 input_174; [L67] SORT_1 input_176; [L68] SORT_1 input_183; [L69] SORT_1 input_185; [L70] SORT_1 input_192; [L71] SORT_1 input_479; [L72] SORT_1 input_483; [L73] SORT_1 input_486; [L74] SORT_1 input_487; [L75] SORT_1 input_488; [L76] SORT_1 input_489; [L77] SORT_1 input_490; [L78] SORT_1 input_491; [L79] SORT_1 input_492; [L80] SORT_1 input_493; [L81] SORT_1 input_494; [L82] SORT_1 input_495; [L83] SORT_1 input_496; [L84] SORT_1 input_497; [L85] SORT_1 input_513; [L86] SORT_1 input_519; [L87] SORT_1 input_525; [L88] SORT_1 input_531; [L89] SORT_1 input_537; [L90] SORT_1 input_543; [L91] SORT_1 input_549; [L92] SORT_1 input_564; [L93] SORT_1 input_582; [L94] SORT_1 input_600; [L95] SORT_1 input_618; [L96] SORT_1 input_636; [L97] SORT_1 input_654; [L98] SORT_1 input_672; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L100] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L101] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L102] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L103] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L104] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L105] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L106] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L107] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L108] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L109] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L110] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L111] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L112] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L113] SORT_2 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L114] SORT_2 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L115] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L117] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L124] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L125] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L126] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L127] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L128] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L129] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L130] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L131] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L132] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L133] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L134] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L136] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L137] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L138] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L139] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L140] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L140] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L141] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L142] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L143] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L144] SORT_1 state_95 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L145] SORT_1 state_97 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L146] SORT_1 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L147] SORT_1 state_101 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L148] SORT_1 state_103 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L149] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L149] SORT_1 state_105 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L150] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L150] SORT_1 state_107 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L152] SORT_2 init_7_arg_1 = var_5; [L153] state_6 = init_7_arg_1 [L154] SORT_2 init_9_arg_1 = var_5; [L155] state_8 = init_9_arg_1 [L156] SORT_2 init_11_arg_1 = var_5; [L157] state_10 = init_11_arg_1 [L158] SORT_2 init_13_arg_1 = var_5; [L159] state_12 = init_13_arg_1 [L160] SORT_2 init_15_arg_1 = var_5; [L161] state_14 = init_15_arg_1 [L162] SORT_2 init_17_arg_1 = var_5; [L163] state_16 = init_17_arg_1 [L164] SORT_2 init_19_arg_1 = var_5; [L165] state_18 = init_19_arg_1 [L166] SORT_2 init_21_arg_1 = var_5; [L167] state_20 = init_21_arg_1 [L168] SORT_2 init_23_arg_1 = var_5; [L169] state_22 = init_23_arg_1 [L170] SORT_2 init_25_arg_1 = var_5; [L171] state_24 = init_25_arg_1 [L172] SORT_2 init_27_arg_1 = var_5; [L173] state_26 = init_27_arg_1 [L174] SORT_2 init_29_arg_1 = var_5; [L175] state_28 = init_29_arg_1 [L176] SORT_2 init_31_arg_1 = var_5; [L177] state_30 = init_31_arg_1 [L178] SORT_2 init_33_arg_1 = var_5; [L179] state_32 = init_33_arg_1 [L180] SORT_2 init_35_arg_1 = var_5; [L181] state_34 = init_35_arg_1 [L182] SORT_1 init_38_arg_1 = var_36; [L183] state_37 = init_38_arg_1 [L184] SORT_1 init_40_arg_1 = var_36; [L185] state_39 = init_40_arg_1 [L186] SORT_1 init_42_arg_1 = var_36; [L187] state_41 = init_42_arg_1 [L188] SORT_1 init_44_arg_1 = var_36; [L189] state_43 = init_44_arg_1 [L190] SORT_1 init_46_arg_1 = var_36; [L191] state_45 = init_46_arg_1 [L192] SORT_1 init_48_arg_1 = var_36; [L193] state_47 = init_48_arg_1 [L194] SORT_1 init_50_arg_1 = var_36; [L195] state_49 = init_50_arg_1 [L196] SORT_1 init_52_arg_1 = var_36; [L197] state_51 = init_52_arg_1 [L198] SORT_1 init_54_arg_1 = var_36; [L199] state_53 = init_54_arg_1 [L200] SORT_1 init_56_arg_1 = var_36; [L201] state_55 = init_56_arg_1 [L202] SORT_1 init_58_arg_1 = var_36; [L203] state_57 = init_58_arg_1 [L204] SORT_1 init_60_arg_1 = var_36; [L205] state_59 = init_60_arg_1 [L206] SORT_1 init_62_arg_1 = var_36; [L207] state_61 = init_62_arg_1 [L208] SORT_1 init_64_arg_1 = var_36; [L209] state_63 = init_64_arg_1 [L210] SORT_1 init_66_arg_1 = var_36; [L211] state_65 = init_66_arg_1 [L212] SORT_1 init_68_arg_1 = var_36; [L213] state_67 = init_68_arg_1 [L214] SORT_1 init_70_arg_1 = var_36; [L215] state_69 = init_70_arg_1 [L216] SORT_1 init_72_arg_1 = var_36; [L217] state_71 = init_72_arg_1 [L218] SORT_1 init_74_arg_1 = var_36; [L219] state_73 = init_74_arg_1 [L220] SORT_1 init_76_arg_1 = var_36; [L221] state_75 = init_76_arg_1 [L222] SORT_1 init_78_arg_1 = var_36; [L223] state_77 = init_78_arg_1 [L224] SORT_1 init_80_arg_1 = var_36; [L225] state_79 = init_80_arg_1 [L226] SORT_1 init_82_arg_1 = var_36; [L227] state_81 = init_82_arg_1 [L228] SORT_1 init_84_arg_1 = var_36; [L229] state_83 = init_84_arg_1 [L230] SORT_1 init_86_arg_1 = var_36; [L231] state_85 = init_86_arg_1 [L232] SORT_1 init_88_arg_1 = var_36; [L233] state_87 = init_88_arg_1 [L234] SORT_1 init_90_arg_1 = var_36; [L235] state_89 = init_90_arg_1 [L236] SORT_1 init_92_arg_1 = var_36; [L237] state_91 = init_92_arg_1 [L238] SORT_1 init_94_arg_1 = var_36; [L239] state_93 = init_94_arg_1 [L240] SORT_1 init_96_arg_1 = var_36; [L241] state_95 = init_96_arg_1 [L242] SORT_1 init_98_arg_1 = var_36; [L243] state_97 = init_98_arg_1 [L244] SORT_1 init_100_arg_1 = var_36; [L245] state_99 = init_100_arg_1 [L246] SORT_1 init_102_arg_1 = var_36; [L247] state_101 = init_102_arg_1 [L248] SORT_1 init_104_arg_1 = var_36; [L249] state_103 = init_104_arg_1 [L250] SORT_1 init_106_arg_1 = var_36; [L251] state_105 = init_106_arg_1 [L252] SORT_1 init_108_arg_1 = var_36; [L253] state_107 = init_108_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_101=0, state_103=0, state_105=0, state_107=0, 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_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_109=1, var_110=0, var_127=1, var_129=0, var_132=7, var_136=0, var_254=2, var_257=2, var_299=3, var_302=3, var_344=4, var_347=4, var_389=5, var_392=5, var_434=6, var_437=6] [L256] input_128 = __VERIFIER_nondet_uchar() [L257] input_138 = __VERIFIER_nondet_uchar() [L258] input_140 = __VERIFIER_nondet_uchar() [L259] input_147 = __VERIFIER_nondet_uchar() [L260] input_149 = __VERIFIER_nondet_uchar() [L261] input_156 = __VERIFIER_nondet_uchar() [L262] input_158 = __VERIFIER_nondet_uchar() [L263] input_165 = __VERIFIER_nondet_uchar() [L264] input_167 = __VERIFIER_nondet_uchar() [L265] input_174 = __VERIFIER_nondet_uchar() [L266] input_176 = __VERIFIER_nondet_uchar() [L267] input_183 = __VERIFIER_nondet_uchar() [L268] input_185 = __VERIFIER_nondet_uchar() [L269] input_192 = __VERIFIER_nondet_uchar() [L270] input_479 = __VERIFIER_nondet_uchar() [L271] EXPR input_479 & mask_SORT_1 [L271] input_479 = input_479 & mask_SORT_1 [L272] input_483 = __VERIFIER_nondet_uchar() [L273] EXPR input_483 & mask_SORT_1 [L273] input_483 = input_483 & mask_SORT_1 [L274] input_486 = __VERIFIER_nondet_uchar() [L275] EXPR input_486 & mask_SORT_1 [L275] input_486 = input_486 & mask_SORT_1 [L276] input_487 = __VERIFIER_nondet_uchar() [L277] EXPR input_487 & mask_SORT_1 [L277] input_487 = input_487 & mask_SORT_1 [L278] input_488 = __VERIFIER_nondet_uchar() [L279] EXPR input_488 & mask_SORT_1 [L279] input_488 = input_488 & mask_SORT_1 [L280] input_489 = __VERIFIER_nondet_uchar() [L281] EXPR input_489 & mask_SORT_1 [L281] input_489 = input_489 & mask_SORT_1 [L282] input_490 = __VERIFIER_nondet_uchar() [L283] EXPR input_490 & mask_SORT_1 [L283] input_490 = input_490 & mask_SORT_1 [L284] input_491 = __VERIFIER_nondet_uchar() [L285] EXPR input_491 & mask_SORT_1 [L285] input_491 = input_491 & mask_SORT_1 [L286] input_492 = __VERIFIER_nondet_uchar() [L287] EXPR input_492 & mask_SORT_1 [L287] input_492 = input_492 & mask_SORT_1 [L288] input_493 = __VERIFIER_nondet_uchar() [L289] EXPR input_493 & mask_SORT_1 [L289] input_493 = input_493 & mask_SORT_1 [L290] input_494 = __VERIFIER_nondet_uchar() [L291] EXPR input_494 & mask_SORT_1 [L291] input_494 = input_494 & mask_SORT_1 [L292] input_495 = __VERIFIER_nondet_uchar() [L293] EXPR input_495 & mask_SORT_1 [L293] input_495 = input_495 & mask_SORT_1 [L294] input_496 = __VERIFIER_nondet_uchar() [L295] EXPR input_496 & mask_SORT_1 [L295] input_496 = input_496 & mask_SORT_1 [L296] input_497 = __VERIFIER_nondet_uchar() [L297] EXPR input_497 & mask_SORT_1 [L297] input_497 = input_497 & mask_SORT_1 [L298] input_513 = __VERIFIER_nondet_uchar() [L299] EXPR input_513 & mask_SORT_1 [L299] input_513 = input_513 & mask_SORT_1 [L300] input_519 = __VERIFIER_nondet_uchar() [L301] EXPR input_519 & mask_SORT_1 [L301] input_519 = input_519 & mask_SORT_1 [L302] input_525 = __VERIFIER_nondet_uchar() [L303] EXPR input_525 & mask_SORT_1 [L303] input_525 = input_525 & mask_SORT_1 [L304] input_531 = __VERIFIER_nondet_uchar() [L305] EXPR input_531 & mask_SORT_1 [L305] input_531 = input_531 & mask_SORT_1 [L306] input_537 = __VERIFIER_nondet_uchar() [L307] EXPR input_537 & mask_SORT_1 [L307] input_537 = input_537 & mask_SORT_1 [L308] input_543 = __VERIFIER_nondet_uchar() [L309] EXPR input_543 & mask_SORT_1 [L309] input_543 = input_543 & mask_SORT_1 [L310] input_549 = __VERIFIER_nondet_uchar() [L311] EXPR input_549 & mask_SORT_1 [L311] input_549 = input_549 & mask_SORT_1 [L312] input_564 = __VERIFIER_nondet_uchar() [L313] input_582 = __VERIFIER_nondet_uchar() [L314] input_600 = __VERIFIER_nondet_uchar() [L315] input_618 = __VERIFIER_nondet_uchar() [L316] input_636 = __VERIFIER_nondet_uchar() [L317] input_654 = __VERIFIER_nondet_uchar() [L318] input_672 = __VERIFIER_nondet_uchar() [L321] SORT_1 var_111_arg_0 = state_45; [L322] SORT_4 var_111_arg_1 = var_109; [L323] SORT_4 var_111_arg_2 = var_110; [L324] SORT_4 var_111 = var_111_arg_0 ? var_111_arg_1 : var_111_arg_2; [L325] SORT_1 var_112_arg_0 = state_55; [L326] SORT_4 var_112_arg_1 = var_109; [L327] SORT_4 var_112_arg_2 = var_110; [L328] SORT_4 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L329] SORT_4 var_113_arg_0 = var_111; [L330] SORT_4 var_113_arg_1 = var_112; [L331] SORT_4 var_113 = var_113_arg_0 + var_113_arg_1; [L332] SORT_1 var_114_arg_0 = state_65; [L333] SORT_4 var_114_arg_1 = var_109; [L334] SORT_4 var_114_arg_2 = var_110; [L335] SORT_4 var_114 = var_114_arg_0 ? var_114_arg_1 : var_114_arg_2; [L336] SORT_4 var_115_arg_0 = var_113; [L337] SORT_4 var_115_arg_1 = var_114; [L338] SORT_4 var_115 = var_115_arg_0 + var_115_arg_1; [L339] SORT_1 var_116_arg_0 = state_75; [L340] SORT_4 var_116_arg_1 = var_109; [L341] SORT_4 var_116_arg_2 = var_110; [L342] SORT_4 var_116 = var_116_arg_0 ? var_116_arg_1 : var_116_arg_2; [L343] SORT_4 var_117_arg_0 = var_115; [L344] SORT_4 var_117_arg_1 = var_116; [L345] SORT_4 var_117 = var_117_arg_0 + var_117_arg_1; [L346] SORT_1 var_118_arg_0 = state_85; [L347] SORT_4 var_118_arg_1 = var_109; [L348] SORT_4 var_118_arg_2 = var_110; [L349] SORT_4 var_118 = var_118_arg_0 ? var_118_arg_1 : var_118_arg_2; [L350] SORT_4 var_119_arg_0 = var_117; [L351] SORT_4 var_119_arg_1 = var_118; [L352] SORT_4 var_119 = var_119_arg_0 + var_119_arg_1; [L353] SORT_1 var_120_arg_0 = state_95; [L354] SORT_4 var_120_arg_1 = var_109; [L355] SORT_4 var_120_arg_2 = var_110; [L356] SORT_4 var_120 = var_120_arg_0 ? var_120_arg_1 : var_120_arg_2; [L357] SORT_4 var_121_arg_0 = var_119; [L358] SORT_4 var_121_arg_1 = var_120; [L359] SORT_4 var_121 = var_121_arg_0 + var_121_arg_1; [L360] SORT_1 var_122_arg_0 = state_105; [L361] SORT_4 var_122_arg_1 = var_109; [L362] SORT_4 var_122_arg_2 = var_110; [L363] SORT_4 var_122 = var_122_arg_0 ? var_122_arg_1 : var_122_arg_2; [L364] SORT_4 var_123_arg_0 = var_121; [L365] SORT_4 var_123_arg_1 = var_122; [L366] SORT_4 var_123 = var_123_arg_0 + var_123_arg_1; [L367] EXPR var_123 & mask_SORT_4 [L367] var_123 = var_123 & mask_SORT_4 [L368] SORT_4 var_124_arg_0 = var_123; [L369] SORT_4 var_124_arg_1 = var_109; [L370] SORT_1 var_124 = var_124_arg_0 <= var_124_arg_1; [L371] SORT_1 var_125_arg_0 = ~state_107; [L372] EXPR var_125_arg_0 & mask_SORT_1 [L372] var_125_arg_0 = var_125_arg_0 & mask_SORT_1 [L373] SORT_1 var_125_arg_1 = ~var_124; [L374] EXPR var_125_arg_1 & mask_SORT_1 [L374] var_125_arg_1 = var_125_arg_1 & mask_SORT_1 [L375] EXPR var_125_arg_0 & var_125_arg_1 [L375] SORT_1 var_125 = var_125_arg_0 & var_125_arg_1; [L376] EXPR var_125 & mask_SORT_1 [L376] var_125 = var_125 & mask_SORT_1 [L377] SORT_1 bad_126_arg_0 = var_125; [L378] CALL __VERIFIER_assert(!(bad_126_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, 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, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 05:45:32,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje --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 58eb58cb5c8fae443da843d32db0bd9b25c33d5587a82bee515f6a22a1baa423 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:45:36,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:45:36,284 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 05:45:36,291 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:45:36,292 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:45:36,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:45:36,323 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:45:36,324 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:45:36,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:45:36,325 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:45:36,326 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:45:36,326 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:45:36,327 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:45:36,328 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:45:36,328 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:45:36,329 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:45:36,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:45:36,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:45:36,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:45:36,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:45:36,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:45:36,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:45:36,337 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:45:36,337 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:45:36,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:45:36,338 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:45:36,338 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:45:36,338 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:45:36,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:45:36,339 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:45:36,339 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:45:36,340 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:45:36,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:45:36,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:45:36,342 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:45:36,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:45:36,343 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:45:36,343 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:45:36,344 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:45:36,344 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:45:36,345 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58eb58cb5c8fae443da843d32db0bd9b25c33d5587a82bee515f6a22a1baa423 [2024-11-09 05:45:36,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:45:36,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:45:36,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:45:36,921 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:45:36,922 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:45:36,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 05:45:39,425 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:45:39,993 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:45:39,994 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c [2024-11-09 05:45:40,034 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/data/51d630725/dac7911ae47943dcab07bb813a747bbe/FLAG8b11807d3 [2024-11-09 05:45:40,063 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/data/51d630725/dac7911ae47943dcab07bb813a747bbe [2024-11-09 05:45:40,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:45:40,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:45:40,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:45:40,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:45:40,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:45:40,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:45:40" (1/1) ... [2024-11-09 05:45:40,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df3272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:45:40, skipping insertion in model container [2024-11-09 05:45:40,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:45:40" (1/1) ... [2024-11-09 05:45:40,226 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:45:40,637 WARN L250 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_b53a1156-b5e2-4ade-ab78-7f3af7980645/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c[1175,1188] [2024-11-09 05:45:41,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:45:41,337 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:45:41,352 WARN L250 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_b53a1156-b5e2-4ade-ab78-7f3af7980645/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c[1175,1188] [2024-11-09 05:45:41,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:45:41,728 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:45:41,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:45:41 WrapperNode [2024-11-09 05:45:41,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:45:41,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:45:41,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:45:41,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:45:41,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:45:41" (1/1) ... [2024-11-09 05:45:41,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:45:41" (1/1) ... [2024-11-09 05:45:42,035 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3831 [2024-11-09 05:45:42,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:45:42,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:45:42,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:45:42,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:45:42,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:45:41" (1/1) ... [2024-11-09 05:45:42,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:45:41" (1/1) ... [2024-11-09 05:45:42,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:45:41" (1/1) ... [2024-11-09 05:45:42,147 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:45:41" (1/1) ... [2024-11-09 05:45:42,297 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:45:41" (1/1) ... [2024-11-09 05:45:42,324 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:45:41" (1/1) ... [2024-11-09 05:45:42,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:45:41" (1/1) ... [2024-11-09 05:45:42,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:45:41" (1/1) ... [2024-11-09 05:45:42,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:45:42,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:45:42,461 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:45:42,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:45:42,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:45:41" (1/1) ... [2024-11-09 05:45:42,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:45:42,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:45:42,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:45:42,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:45:42,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:45:42,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:45:42,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:45:42,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:45:43,557 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:45:43,561 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:45:51,688 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-09 05:45:51,689 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:45:51,707 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:45:51,707 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:45:51,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:45:51 BoogieIcfgContainer [2024-11-09 05:45:51,708 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:45:51,712 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:45:51,713 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:45:51,718 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:45:51,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:45:40" (1/3) ... [2024-11-09 05:45:51,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d47ba62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:45:51, skipping insertion in model container [2024-11-09 05:45:51,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:45:41" (2/3) ... [2024-11-09 05:45:51,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d47ba62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:45:51, skipping insertion in model container [2024-11-09 05:45:51,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:45:51" (3/3) ... [2024-11-09 05:45:51,725 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.8.prop1-func-interl.c [2024-11-09 05:45:51,748 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:45:51,748 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:45:51,838 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:45:51,848 INFO L333 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, 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;@6d7f7594, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:45:51,848 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:45:51,853 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) [2024-11-09 05:45:51,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 05:45:51,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:51,862 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 05:45:51,863 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:45:51,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:51,870 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-09 05:45:51,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:45:51,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729204754] [2024-11-09 05:45:51,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:51,888 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 [2024-11-09 05:45:51,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:45:51,893 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:45:51,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:45:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:52,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-09 05:45:53,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:45:54,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:54,226 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:45:54,227 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:45:54,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729204754] [2024-11-09 05:45:54,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729204754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:54,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:54,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:45:54,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366844192] [2024-11-09 05:45:54,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:54,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:45:54,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:45:54,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:45:54,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:45:54,275 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) [2024-11-09 05:45:56,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:58,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:00,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:03,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:05,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:05,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:05,349 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2024-11-09 05:46:05,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:46:05,422 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 [2024-11-09 05:46:05,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:05,431 INFO L225 Difference]: With dead ends: 19 [2024-11-09 05:46:05,432 INFO L226 Difference]: Without dead ends: 10 [2024-11-09 05:46:05,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:46:05,439 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:05,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 12 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 5 Unknown, 0 Unchecked, 10.9s Time] [2024-11-09 05:46:05,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-09 05:46:05,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-09 05:46:05,481 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) [2024-11-09 05:46:05,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-09 05:46:05,483 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-09 05:46:05,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:05,484 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-09 05:46:05,485 INFO L472 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) [2024-11-09 05:46:05,485 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-09 05:46:05,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 05:46:05,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:05,486 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:05,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 05:46:05,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:46:05,691 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:46:05,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:05,692 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-09 05:46:05,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:46:05,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [370824159] [2024-11-09 05:46:05,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:05,702 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 [2024-11-09 05:46:05,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:46:05,707 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:46:05,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1156-b5e2-4ade-ab78-7f3af7980645/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:46:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:09,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-09 05:46:09,249 INFO L278 TraceCheckSpWp]: Computing forward predicates...