./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E --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 e879c6d252ddb10e5ba19caa1e75fe9717273170c35f1c85f05fb8cc669ec829 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:51:10,578 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:51:10,654 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 03:51:10,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:51:10,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:51:10,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:51:10,695 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:51:10,695 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:51:10,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:51:10,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:51:10,695 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:51:10,695 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:51:10,695 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:51:10,695 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:51:10,696 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:51:10,696 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:51:10,696 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:51:10,696 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:51:10,696 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:51:10,696 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:51:10,696 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:51:10,696 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:51:10,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:51:10,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:51:10,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:51:10,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:51:10,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:51:10,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:51:10,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:51:10,700 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:51:10,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:51:10,700 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:51:10,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:51:10,700 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:51:10,700 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:51:10,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:51:10,701 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:51:10,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:51:10,701 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:51:10,701 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:51:10,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:51:10,701 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:51:10,701 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:51:10,702 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:51:10,702 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E 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 -> e879c6d252ddb10e5ba19caa1e75fe9717273170c35f1c85f05fb8cc669ec829 [2024-11-14 03:51:10,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:51:10,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:51:10,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:51:10,997 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:51:10,998 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:51:10,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.prop1-func-interl.c Unable to find full path for "g++" [2024-11-14 03:51:13,463 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:51:13,960 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:51:13,961 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.prop1-func-interl.c [2024-11-14 03:51:13,983 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/data/f1bf9c53f/934ab56948be433cbb23ac8ca0495c6e/FLAGd169492d0 [2024-11-14 03:51:14,032 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/data/f1bf9c53f/934ab56948be433cbb23ac8ca0495c6e [2024-11-14 03:51:14,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:51:14,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:51:14,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:51:14,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:51:14,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:51:14,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:51:14" (1/1) ... [2024-11-14 03:51:14,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5814c8fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:14, skipping insertion in model container [2024-11-14 03:51:14,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:51:14" (1/1) ... [2024-11-14 03:51:14,150 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:51:14,442 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_8667acce-0baf-46c5-8567-4865e66a3fb3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.prop1-func-interl.c[1174,1187] [2024-11-14 03:51:15,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:51:15,127 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:51:15,137 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_8667acce-0baf-46c5-8567-4865e66a3fb3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.prop1-func-interl.c[1174,1187] [2024-11-14 03:51:15,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:51:15,490 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:51:15,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:15 WrapperNode [2024-11-14 03:51:15,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:51:15,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:51:15,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:51:15,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:51:15,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:15" (1/1) ... [2024-11-14 03:51:15,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:15" (1/1) ... [2024-11-14 03:51:17,510 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8468 [2024-11-14 03:51:17,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:51:17,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:51:17,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:51:17,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:51:17,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:15" (1/1) ... [2024-11-14 03:51:17,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:15" (1/1) ... [2024-11-14 03:51:18,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:15" (1/1) ... [2024-11-14 03:51:18,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:15" (1/1) ... [2024-11-14 03:51:18,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:15" (1/1) ... [2024-11-14 03:51:18,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:15" (1/1) ... [2024-11-14 03:51:18,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:15" (1/1) ... [2024-11-14 03:51:18,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:15" (1/1) ... [2024-11-14 03:51:18,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:51:18,929 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:51:18,930 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:51:18,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:51:18,932 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:15" (1/1) ... [2024-11-14 03:51:18,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:51:18,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:51:18,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:51:18,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:51:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:51:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:51:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:51:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:51:20,042 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:51:20,044 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:51:35,856 INFO L? ?]: Removed 4787 outVars from TransFormulas that were not future-live. [2024-11-14 03:51:35,856 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:51:56,937 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:51:56,938 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:51:56,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:51:56 BoogieIcfgContainer [2024-11-14 03:51:56,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:51:56,942 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:51:56,942 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:51:56,950 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:51:56,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:51:14" (1/3) ... [2024-11-14 03:51:56,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ec28df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:51:56, skipping insertion in model container [2024-11-14 03:51:56,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:15" (2/3) ... [2024-11-14 03:51:56,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ec28df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:51:56, skipping insertion in model container [2024-11-14 03:51:56,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:51:56" (3/3) ... [2024-11-14 03:51:56,953 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.fischer.4.prop1-func-interl.c [2024-11-14 03:51:56,975 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:51:56,977 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.fischer.4.prop1-func-interl.c that has 1 procedures, 7 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:51:57,042 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:51:57,057 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;@14561dba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:51:57,058 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:51:57,064 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) [2024-11-14 03:51:57,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 03:51:57,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:51:57,071 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 03:51:57,073 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:51:57,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:51:57,080 INFO L85 PathProgramCache]: Analyzing trace with hash 434241755, now seen corresponding path program 1 times [2024-11-14 03:51:57,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:51:57,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119915066] [2024-11-14 03:51:57,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:51:57,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:51:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:51:58,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:51:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:51:59,228 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:51:59,230 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:51:59,231 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:51:59,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:51:59,239 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:51:59,304 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:51:59,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:51:59 BoogieIcfgContainer [2024-11-14 03:51:59,309 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:51:59,310 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:51:59,310 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:51:59,310 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:51:59,311 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:51:56" (3/4) ... [2024-11-14 03:51:59,318 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:51:59,323 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:51:59,325 INFO L158 Benchmark]: Toolchain (without parser) took 45288.76ms. Allocated memory was 117.4MB in the beginning and 3.9GB in the end (delta: 3.8GB). Free memory was 88.7MB in the beginning and 3.2GB in the end (delta: -3.1GB). Peak memory consumption was 646.1MB. Max. memory is 16.1GB. [2024-11-14 03:51:59,325 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:51:59,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1456.03ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 31.3MB in the end (delta: 57.2MB). Peak memory consumption was 86.9MB. Max. memory is 16.1GB. [2024-11-14 03:51:59,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 2016.59ms. Allocated memory was 117.4MB in the beginning and 536.9MB in the end (delta: 419.4MB). Free memory was 31.3MB in the beginning and 347.9MB in the end (delta: -316.5MB). Peak memory consumption was 147.3MB. Max. memory is 16.1GB. [2024-11-14 03:51:59,329 INFO L158 Benchmark]: Boogie Preprocessor took 1416.26ms. Allocated memory is still 536.9MB. Free memory was 347.9MB in the beginning and 296.5MB in the end (delta: 51.4MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2024-11-14 03:51:59,329 INFO L158 Benchmark]: RCFGBuilder took 38009.83ms. Allocated memory was 536.9MB in the beginning and 3.9GB in the end (delta: 3.3GB). Free memory was 296.5MB in the beginning and 3.3GB in the end (delta: -3.0GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-14 03:51:59,330 INFO L158 Benchmark]: TraceAbstraction took 2367.93ms. Allocated memory is still 3.9GB. Free memory was 3.3GB in the beginning and 3.2GB in the end (delta: 128.4MB). Peak memory consumption was 129.1MB. Max. memory is 16.1GB. [2024-11-14 03:51:59,330 INFO L158 Benchmark]: Witness Printer took 13.22ms. Allocated memory is still 3.9GB. Free memory was 3.2GB in the beginning and 3.2GB in the end (delta: 17.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:51:59,335 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1456.03ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 31.3MB in the end (delta: 57.2MB). Peak memory consumption was 86.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2016.59ms. Allocated memory was 117.4MB in the beginning and 536.9MB in the end (delta: 419.4MB). Free memory was 31.3MB in the beginning and 347.9MB in the end (delta: -316.5MB). Peak memory consumption was 147.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1416.26ms. Allocated memory is still 536.9MB. Free memory was 347.9MB in the beginning and 296.5MB in the end (delta: 51.4MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. * RCFGBuilder took 38009.83ms. Allocated memory was 536.9MB in the beginning and 3.9GB in the end (delta: 3.3GB). Free memory was 296.5MB in the beginning and 3.3GB in the end (delta: -3.0GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * TraceAbstraction took 2367.93ms. Allocated memory is still 3.9GB. Free memory was 3.3GB in the beginning and 3.2GB in the end (delta: 128.4MB). Peak memory consumption was 129.1MB. Max. memory is 16.1GB. * Witness Printer took 13.22ms. Allocated memory is still 3.9GB. Free memory was 3.2GB in the beginning and 3.2GB in the end (delta: 17.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 98, overapproximation of bitwiseAnd at line 216. 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_22 = 0; [L40] const SORT_4 var_83 = 1; [L41] const SORT_4 var_84 = 0; [L42] const SORT_2 var_102 = 0; [L43] const SORT_2 var_104 = 7; [L44] const SORT_2 var_107 = 6; [L45] const SORT_2 var_110 = 5; [L46] const SORT_2 var_113 = 4; [L47] const SORT_2 var_116 = 3; [L48] const SORT_2 var_119 = 2; [L49] const SORT_2 var_122 = 1; [L50] const SORT_2 var_138 = 255; [L51] const SORT_3 var_142 = 0; [L52] const SORT_4 var_146 = 255; [L54] SORT_1 input_101; [L55] SORT_1 input_103; [L56] SORT_1 input_105; [L57] SORT_1 input_106; [L58] SORT_1 input_108; [L59] SORT_1 input_109; [L60] SORT_1 input_111; [L61] SORT_1 input_112; [L62] SORT_1 input_114; [L63] SORT_1 input_115; [L64] SORT_1 input_117; [L65] SORT_1 input_118; [L66] SORT_1 input_120; [L67] SORT_1 input_121; [L68] SORT_1 input_139; [L69] SORT_1 input_140; [L70] SORT_1 input_141; [L71] SORT_1 input_158; [L72] SORT_1 input_159; [L73] SORT_1 input_174; [L74] SORT_1 input_175; [L75] SORT_1 input_190; [L76] SORT_1 input_191; [L77] SORT_1 input_206; [L78] SORT_1 input_207; [L79] SORT_1 input_222; [L80] SORT_1 input_223; [L81] SORT_1 input_238; [L82] SORT_1 input_239; [L83] SORT_1 input_256; [L84] SORT_1 input_264; [L85] SORT_1 input_272; [L86] SORT_1 input_280; [L87] SORT_1 input_288; [L88] SORT_1 input_296; [L89] SORT_1 input_304; [L90] SORT_1 input_312; [L91] SORT_1 input_320; [L92] SORT_1 input_328; [L93] SORT_1 input_336; [L94] SORT_1 input_344; [L95] SORT_1 input_352; [L96] SORT_1 input_360; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L98] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L99] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L100] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L101] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L102] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L103] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L104] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L105] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L106] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L107] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L108] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L109] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L110] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L111] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L112] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L113] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L114] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L115] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L117] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L124] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L125] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L126] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L127] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L128] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L129] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L130] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L131] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L132] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L133] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L134] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] SORT_2 init_7_arg_1 = var_5; [L138] state_6 = init_7_arg_1 [L139] SORT_2 init_9_arg_1 = var_5; [L140] state_8 = init_9_arg_1 [L141] SORT_2 init_11_arg_1 = var_5; [L142] state_10 = init_11_arg_1 [L143] SORT_2 init_13_arg_1 = var_5; [L144] state_12 = init_13_arg_1 [L145] SORT_2 init_15_arg_1 = var_5; [L146] state_14 = init_15_arg_1 [L147] SORT_2 init_17_arg_1 = var_5; [L148] state_16 = init_17_arg_1 [L149] SORT_2 init_19_arg_1 = var_5; [L150] state_18 = init_19_arg_1 [L151] SORT_2 init_21_arg_1 = var_5; [L152] state_20 = init_21_arg_1 [L153] SORT_1 init_24_arg_1 = var_22; [L154] state_23 = init_24_arg_1 [L155] SORT_1 init_26_arg_1 = var_22; [L156] state_25 = init_26_arg_1 [L157] SORT_1 init_28_arg_1 = var_22; [L158] state_27 = init_28_arg_1 [L159] SORT_1 init_30_arg_1 = var_22; [L160] state_29 = init_30_arg_1 [L161] SORT_1 init_32_arg_1 = var_22; [L162] state_31 = init_32_arg_1 [L163] SORT_1 init_34_arg_1 = var_22; [L164] state_33 = init_34_arg_1 [L165] SORT_1 init_36_arg_1 = var_22; [L166] state_35 = init_36_arg_1 [L167] SORT_1 init_38_arg_1 = var_22; [L168] state_37 = init_38_arg_1 [L169] SORT_1 init_40_arg_1 = var_22; [L170] state_39 = init_40_arg_1 [L171] SORT_1 init_42_arg_1 = var_22; [L172] state_41 = init_42_arg_1 [L173] SORT_1 init_44_arg_1 = var_22; [L174] state_43 = init_44_arg_1 [L175] SORT_1 init_46_arg_1 = var_22; [L176] state_45 = init_46_arg_1 [L177] SORT_1 init_48_arg_1 = var_22; [L178] state_47 = init_48_arg_1 [L179] SORT_1 init_50_arg_1 = var_22; [L180] state_49 = init_50_arg_1 [L181] SORT_1 init_52_arg_1 = var_22; [L182] state_51 = init_52_arg_1 [L183] SORT_1 init_54_arg_1 = var_22; [L184] state_53 = init_54_arg_1 [L185] SORT_1 init_56_arg_1 = var_22; [L186] state_55 = init_56_arg_1 [L187] SORT_1 init_58_arg_1 = var_22; [L188] state_57 = init_58_arg_1 [L189] SORT_1 init_60_arg_1 = var_22; [L190] state_59 = init_60_arg_1 [L191] SORT_1 init_62_arg_1 = var_22; [L192] state_61 = init_62_arg_1 [L193] SORT_1 init_64_arg_1 = var_22; [L194] state_63 = init_64_arg_1 [L195] SORT_1 init_66_arg_1 = var_22; [L196] state_65 = init_66_arg_1 [L197] SORT_1 init_68_arg_1 = var_22; [L198] state_67 = init_68_arg_1 [L199] SORT_1 init_70_arg_1 = var_22; [L200] state_69 = init_70_arg_1 [L201] SORT_1 init_72_arg_1 = var_22; [L202] state_71 = init_72_arg_1 [L203] SORT_1 init_74_arg_1 = var_22; [L204] state_73 = init_74_arg_1 [L205] SORT_1 init_76_arg_1 = var_22; [L206] state_75 = init_76_arg_1 [L207] SORT_1 init_78_arg_1 = var_22; [L208] state_77 = init_78_arg_1 [L209] SORT_1 init_80_arg_1 = var_22; [L210] state_79 = init_80_arg_1 [L211] SORT_1 init_82_arg_1 = var_22; [L212] state_81 = init_82_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_8=0, var_102=0, var_104=7, var_107=6, var_110=5, var_113=4, var_116=3, var_119=2, var_122=1, var_138=255, var_142=0, var_146=255, var_83=1, var_84=0] [L215] input_101 = __VERIFIER_nondet_uchar() [L216] EXPR input_101 & mask_SORT_1 [L216] input_101 = input_101 & mask_SORT_1 [L217] input_103 = __VERIFIER_nondet_uchar() [L218] EXPR input_103 & mask_SORT_1 [L218] input_103 = input_103 & mask_SORT_1 [L219] input_105 = __VERIFIER_nondet_uchar() [L220] EXPR input_105 & mask_SORT_1 [L220] input_105 = input_105 & mask_SORT_1 [L221] input_106 = __VERIFIER_nondet_uchar() [L222] EXPR input_106 & mask_SORT_1 [L222] input_106 = input_106 & mask_SORT_1 [L223] input_108 = __VERIFIER_nondet_uchar() [L224] EXPR input_108 & mask_SORT_1 [L224] input_108 = input_108 & mask_SORT_1 [L225] input_109 = __VERIFIER_nondet_uchar() [L226] EXPR input_109 & mask_SORT_1 [L226] input_109 = input_109 & mask_SORT_1 [L227] input_111 = __VERIFIER_nondet_uchar() [L228] EXPR input_111 & mask_SORT_1 [L228] input_111 = input_111 & mask_SORT_1 [L229] input_112 = __VERIFIER_nondet_uchar() [L230] EXPR input_112 & mask_SORT_1 [L230] input_112 = input_112 & mask_SORT_1 [L231] input_114 = __VERIFIER_nondet_uchar() [L232] EXPR input_114 & mask_SORT_1 [L232] input_114 = input_114 & mask_SORT_1 [L233] input_115 = __VERIFIER_nondet_uchar() [L234] EXPR input_115 & mask_SORT_1 [L234] input_115 = input_115 & mask_SORT_1 [L235] input_117 = __VERIFIER_nondet_uchar() [L236] EXPR input_117 & mask_SORT_1 [L236] input_117 = input_117 & mask_SORT_1 [L237] input_118 = __VERIFIER_nondet_uchar() [L238] EXPR input_118 & mask_SORT_1 [L238] input_118 = input_118 & mask_SORT_1 [L239] input_120 = __VERIFIER_nondet_uchar() [L240] EXPR input_120 & mask_SORT_1 [L240] input_120 = input_120 & mask_SORT_1 [L241] input_121 = __VERIFIER_nondet_uchar() [L242] EXPR input_121 & mask_SORT_1 [L242] input_121 = input_121 & mask_SORT_1 [L243] input_139 = __VERIFIER_nondet_uchar() [L244] EXPR input_139 & mask_SORT_1 [L244] input_139 = input_139 & mask_SORT_1 [L245] input_140 = __VERIFIER_nondet_uchar() [L246] EXPR input_140 & mask_SORT_1 [L246] input_140 = input_140 & mask_SORT_1 [L247] input_141 = __VERIFIER_nondet_uchar() [L248] EXPR input_141 & mask_SORT_1 [L248] input_141 = input_141 & mask_SORT_1 [L249] input_158 = __VERIFIER_nondet_uchar() [L250] EXPR input_158 & mask_SORT_1 [L250] input_158 = input_158 & mask_SORT_1 [L251] input_159 = __VERIFIER_nondet_uchar() [L252] EXPR input_159 & mask_SORT_1 [L252] input_159 = input_159 & mask_SORT_1 [L253] input_174 = __VERIFIER_nondet_uchar() [L254] EXPR input_174 & mask_SORT_1 [L254] input_174 = input_174 & mask_SORT_1 [L255] input_175 = __VERIFIER_nondet_uchar() [L256] EXPR input_175 & mask_SORT_1 [L256] input_175 = input_175 & mask_SORT_1 [L257] input_190 = __VERIFIER_nondet_uchar() [L258] EXPR input_190 & mask_SORT_1 [L258] input_190 = input_190 & mask_SORT_1 [L259] input_191 = __VERIFIER_nondet_uchar() [L260] EXPR input_191 & mask_SORT_1 [L260] input_191 = input_191 & mask_SORT_1 [L261] input_206 = __VERIFIER_nondet_uchar() [L262] EXPR input_206 & mask_SORT_1 [L262] input_206 = input_206 & mask_SORT_1 [L263] input_207 = __VERIFIER_nondet_uchar() [L264] EXPR input_207 & mask_SORT_1 [L264] input_207 = input_207 & mask_SORT_1 [L265] input_222 = __VERIFIER_nondet_uchar() [L266] EXPR input_222 & mask_SORT_1 [L266] input_222 = input_222 & mask_SORT_1 [L267] input_223 = __VERIFIER_nondet_uchar() [L268] EXPR input_223 & mask_SORT_1 [L268] input_223 = input_223 & mask_SORT_1 [L269] input_238 = __VERIFIER_nondet_uchar() [L270] EXPR input_238 & mask_SORT_1 [L270] input_238 = input_238 & mask_SORT_1 [L271] input_239 = __VERIFIER_nondet_uchar() [L272] EXPR input_239 & mask_SORT_1 [L272] input_239 = input_239 & mask_SORT_1 [L273] input_256 = __VERIFIER_nondet_uchar() [L274] input_264 = __VERIFIER_nondet_uchar() [L275] input_272 = __VERIFIER_nondet_uchar() [L276] input_280 = __VERIFIER_nondet_uchar() [L277] input_288 = __VERIFIER_nondet_uchar() [L278] input_296 = __VERIFIER_nondet_uchar() [L279] input_304 = __VERIFIER_nondet_uchar() [L280] input_312 = __VERIFIER_nondet_uchar() [L281] input_320 = __VERIFIER_nondet_uchar() [L282] input_328 = __VERIFIER_nondet_uchar() [L283] input_336 = __VERIFIER_nondet_uchar() [L284] input_344 = __VERIFIER_nondet_uchar() [L285] input_352 = __VERIFIER_nondet_uchar() [L286] input_360 = __VERIFIER_nondet_uchar() [L289] SORT_1 var_85_arg_0 = state_31; [L290] SORT_4 var_85_arg_1 = var_83; [L291] SORT_4 var_85_arg_2 = var_84; [L292] SORT_4 var_85 = var_85_arg_0 ? var_85_arg_1 : var_85_arg_2; [L293] SORT_1 var_86_arg_0 = state_39; [L294] SORT_4 var_86_arg_1 = var_83; [L295] SORT_4 var_86_arg_2 = var_84; [L296] SORT_4 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L297] SORT_4 var_87_arg_0 = var_85; [L298] SORT_4 var_87_arg_1 = var_86; [L299] SORT_4 var_87 = var_87_arg_0 + var_87_arg_1; [L300] SORT_1 var_88_arg_0 = state_47; [L301] SORT_4 var_88_arg_1 = var_83; [L302] SORT_4 var_88_arg_2 = var_84; [L303] SORT_4 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L304] SORT_4 var_89_arg_0 = var_87; [L305] SORT_4 var_89_arg_1 = var_88; [L306] SORT_4 var_89 = var_89_arg_0 + var_89_arg_1; [L307] SORT_1 var_90_arg_0 = state_55; [L308] SORT_4 var_90_arg_1 = var_83; [L309] SORT_4 var_90_arg_2 = var_84; [L310] SORT_4 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L311] SORT_4 var_91_arg_0 = var_89; [L312] SORT_4 var_91_arg_1 = var_90; [L313] SORT_4 var_91 = var_91_arg_0 + var_91_arg_1; [L314] SORT_1 var_92_arg_0 = state_63; [L315] SORT_4 var_92_arg_1 = var_83; [L316] SORT_4 var_92_arg_2 = var_84; [L317] SORT_4 var_92 = var_92_arg_0 ? var_92_arg_1 : var_92_arg_2; [L318] SORT_4 var_93_arg_0 = var_91; [L319] SORT_4 var_93_arg_1 = var_92; [L320] SORT_4 var_93 = var_93_arg_0 + var_93_arg_1; [L321] SORT_1 var_94_arg_0 = state_71; [L322] SORT_4 var_94_arg_1 = var_83; [L323] SORT_4 var_94_arg_2 = var_84; [L324] SORT_4 var_94 = var_94_arg_0 ? var_94_arg_1 : var_94_arg_2; [L325] SORT_4 var_95_arg_0 = var_93; [L326] SORT_4 var_95_arg_1 = var_94; [L327] SORT_4 var_95 = var_95_arg_0 + var_95_arg_1; [L328] SORT_1 var_96_arg_0 = state_79; [L329] SORT_4 var_96_arg_1 = var_83; [L330] SORT_4 var_96_arg_2 = var_84; [L331] SORT_4 var_96 = var_96_arg_0 ? var_96_arg_1 : var_96_arg_2; [L332] SORT_4 var_97_arg_0 = var_95; [L333] SORT_4 var_97_arg_1 = var_96; [L334] SORT_4 var_97 = var_97_arg_0 + var_97_arg_1; [L335] EXPR var_97 & mask_SORT_4 [L335] var_97 = var_97 & mask_SORT_4 [L336] SORT_4 var_98_arg_0 = var_97; [L337] SORT_4 var_98_arg_1 = var_83; [L338] SORT_1 var_98 = var_98_arg_0 <= var_98_arg_1; [L339] SORT_1 var_99_arg_0 = ~state_81; [L340] EXPR var_99_arg_0 & mask_SORT_1 [L340] var_99_arg_0 = var_99_arg_0 & mask_SORT_1 [L341] SORT_1 var_99_arg_1 = ~var_98; [L342] EXPR var_99_arg_1 & mask_SORT_1 [L342] var_99_arg_1 = var_99_arg_1 & mask_SORT_1 [L343] EXPR var_99_arg_0 & var_99_arg_1 [L343] SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; [L344] EXPR var_99 & mask_SORT_1 [L344] var_99 = var_99 & mask_SORT_1 [L345] SORT_1 bad_100_arg_0 = var_99; [L346] CALL __VERIFIER_assert(!(bad_100_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: 0.0s SsaConstructionTime, 1.3s 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 [2024-11-14 03:51:59,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E --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 e879c6d252ddb10e5ba19caa1e75fe9717273170c35f1c85f05fb8cc669ec829 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:52:03,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:52:03,177 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-14 03:52:03,187 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:52:03,188 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:52:03,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:52:03,233 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:52:03,233 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:52:03,234 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:52:03,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:52:03,236 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:52:03,237 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:52:03,237 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:52:03,237 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:52:03,237 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:52:03,237 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:52:03,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:52:03,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:52:03,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:52:03,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:52:03,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:52:03,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:52:03,238 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:52:03,240 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:52:03,240 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:52:03,240 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:52:03,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:52:03,240 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:52:03,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:52:03,241 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:52:03,241 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:52:03,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:52:03,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:52:03,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:52:03,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:52:03,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:52:03,243 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:52:03,243 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:52:03,243 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:52:03,243 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:52:03,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E 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 -> e879c6d252ddb10e5ba19caa1e75fe9717273170c35f1c85f05fb8cc669ec829 [2024-11-14 03:52:03,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:52:03,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:52:03,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:52:03,716 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:52:03,717 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:52:03,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.prop1-func-interl.c Unable to find full path for "g++" [2024-11-14 03:52:06,138 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:52:06,626 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:52:06,627 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.prop1-func-interl.c [2024-11-14 03:52:06,652 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/data/7123e72cf/ee44163f9ad0413e8f02d26b9454432b/FLAG650ef2c4a [2024-11-14 03:52:06,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/data/7123e72cf/ee44163f9ad0413e8f02d26b9454432b [2024-11-14 03:52:06,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:52:06,676 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:52:06,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:52:06,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:52:06,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:52:06,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:52:06" (1/1) ... [2024-11-14 03:52:06,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1461fbf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:06, skipping insertion in model container [2024-11-14 03:52:06,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:52:06" (1/1) ... [2024-11-14 03:52:06,777 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:52:07,054 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_8667acce-0baf-46c5-8567-4865e66a3fb3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.prop1-func-interl.c[1174,1187] [2024-11-14 03:52:07,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:52:07,634 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:52:07,650 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_8667acce-0baf-46c5-8567-4865e66a3fb3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.prop1-func-interl.c[1174,1187] [2024-11-14 03:52:07,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:52:07,925 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:52:07,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:07 WrapperNode [2024-11-14 03:52:07,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:52:07,928 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:52:07,928 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:52:07,928 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:52:07,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:07" (1/1) ... [2024-11-14 03:52:07,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:07" (1/1) ... [2024-11-14 03:52:08,173 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2552 [2024-11-14 03:52:08,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:52:08,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:52:08,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:52:08,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:52:08,186 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:07" (1/1) ... [2024-11-14 03:52:08,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:07" (1/1) ... [2024-11-14 03:52:08,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:07" (1/1) ... [2024-11-14 03:52:08,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:07" (1/1) ... [2024-11-14 03:52:08,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:07" (1/1) ... [2024-11-14 03:52:08,291 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:07" (1/1) ... [2024-11-14 03:52:08,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:07" (1/1) ... [2024-11-14 03:52:08,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:07" (1/1) ... [2024-11-14 03:52:08,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:52:08,369 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:52:08,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:52:08,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:52:08,374 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:07" (1/1) ... [2024-11-14 03:52:08,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:52:08,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:52:08,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:52:08,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:52:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:52:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:52:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:52:08,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:52:09,377 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:52:09,380 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:52:13,800 INFO L? ?]: Removed 146 outVars from TransFormulas that were not future-live. [2024-11-14 03:52:13,801 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:52:13,812 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:52:13,812 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:52:13,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:52:13 BoogieIcfgContainer [2024-11-14 03:52:13,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:52:13,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:52:13,816 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:52:13,823 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:52:13,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:52:06" (1/3) ... [2024-11-14 03:52:13,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787cdf17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:52:13, skipping insertion in model container [2024-11-14 03:52:13,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:52:07" (2/3) ... [2024-11-14 03:52:13,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787cdf17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:52:13, skipping insertion in model container [2024-11-14 03:52:13,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:52:13" (3/3) ... [2024-11-14 03:52:13,827 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.fischer.4.prop1-func-interl.c [2024-11-14 03:52:13,848 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:52:13,850 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.fischer.4.prop1-func-interl.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:52:13,921 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:52:13,937 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;@441ec653, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:52:13,937 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:52:13,941 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) [2024-11-14 03:52:13,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 03:52:13,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:52:13,949 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 03:52:13,949 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:52:13,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:52:13,954 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-14 03:52:13,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:52:13,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1321766924] [2024-11-14 03:52:13,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:52:13,970 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 [2024-11-14 03:52:13,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:52:13,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 03:52:13,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 03:52:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:52:14,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-14 03:52:14,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:52:16,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:52:16,134 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:52:16,135 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:52:16,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1321766924] [2024-11-14 03:52:16,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1321766924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:52:16,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:52:16,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:52:16,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910674348] [2024-11-14 03:52:16,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:52:16,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:52:16,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:52:16,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:52:16,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:52:16,181 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) [2024-11-14 03:52:16,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:52:16,647 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-14 03:52:16,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:52:16,654 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 [2024-11-14 03:52:16,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:52:16,661 INFO L225 Difference]: With dead ends: 18 [2024-11-14 03:52:16,662 INFO L226 Difference]: Without dead ends: 10 [2024-11-14 03:52:16,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:52:16,668 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:52:16,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:52:16,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-14 03:52:16,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-14 03:52:16,702 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) [2024-11-14 03:52:16,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-14 03:52:16,708 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-14 03:52:16,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:52:16,709 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-14 03:52:16,709 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) [2024-11-14 03:52:16,710 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-14 03:52:16,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 03:52:16,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:52:16,710 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-14 03:52:16,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 03:52:16,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 03:52:16,911 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:52:16,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:52:16,912 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-14 03:52:16,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:52:16,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2065839165] [2024-11-14 03:52:16,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:52:16,915 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 [2024-11-14 03:52:16,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:52:16,917 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 03:52:16,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667acce-0baf-46c5-8567-4865e66a3fb3/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 03:52:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:52:18,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-14 03:52:18,376 INFO L278 TraceCheckSpWp]: Computing forward predicates...