./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX --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 ae5f6e98a9adcbdf5e1e7125ae4ea5d0cf3bfadfc22b5bc300cef6d9a8d4cfbb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:03:11,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:03:11,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 01:03:11,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:03:11,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:03:11,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:03:11,984 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:03:11,985 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:03:11,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:03:11,992 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:03:11,992 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:03:11,993 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:03:11,993 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:03:11,995 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:03:11,996 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:03:11,996 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:03:11,997 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:03:11,997 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:03:12,017 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:03:12,017 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:03:12,018 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:03:12,019 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:03:12,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:03:12,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:03:12,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:03:12,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:03:12,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:03:12,022 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:03:12,022 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:03:12,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:03:12,023 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:03:12,024 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:03:12,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:03:12,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:03:12,025 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:03:12,025 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:03:12,026 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:03:12,026 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:03:12,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:03:12,027 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:03:12,027 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:03:12,030 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:03:12,030 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_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae5f6e98a9adcbdf5e1e7125ae4ea5d0cf3bfadfc22b5bc300cef6d9a8d4cfbb [2023-11-12 01:03:12,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:03:12,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:03:12,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:03:12,477 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:03:12,478 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:03:12,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2023-11-12 01:03:15,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:03:16,058 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:03:16,059 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2023-11-12 01:03:16,071 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/data/8433e6fcb/b654f07798a04e418912e02930bb12c6/FLAGb8d6f0388 [2023-11-12 01:03:16,092 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/data/8433e6fcb/b654f07798a04e418912e02930bb12c6 [2023-11-12 01:03:16,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:03:16,096 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:03:16,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:03:16,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:03:16,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:03:16,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:03:16" (1/1) ... [2023-11-12 01:03:16,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4413978e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:16, skipping insertion in model container [2023-11-12 01:03:16,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:03:16" (1/1) ... [2023-11-12 01:03:16,156 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:03:16,331 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1248,1261] [2023-11-12 01:03:16,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:03:16,449 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:03:16,463 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1248,1261] [2023-11-12 01:03:16,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:03:16,579 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:03:16,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:16 WrapperNode [2023-11-12 01:03:16,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:03:16,581 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:03:16,581 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:03:16,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:03:16,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:16" (1/1) ... [2023-11-12 01:03:16,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:16" (1/1) ... [2023-11-12 01:03:16,709 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 626 [2023-11-12 01:03:16,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:03:16,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:03:16,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:03:16,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:03:16,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:16" (1/1) ... [2023-11-12 01:03:16,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:16" (1/1) ... [2023-11-12 01:03:16,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:16" (1/1) ... [2023-11-12 01:03:16,808 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:16" (1/1) ... [2023-11-12 01:03:16,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:16" (1/1) ... [2023-11-12 01:03:16,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:16" (1/1) ... [2023-11-12 01:03:16,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:16" (1/1) ... [2023-11-12 01:03:16,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:16" (1/1) ... [2023-11-12 01:03:16,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:03:16,921 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:03:16,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:03:16,923 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:03:16,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:16" (1/1) ... [2023-11-12 01:03:16,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:03:16,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:03:16,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:03:16,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:03:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:03:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 01:03:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:03:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:03:17,180 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:03:17,182 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:03:18,237 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:03:19,409 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:03:19,409 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 01:03:19,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:03:19 BoogieIcfgContainer [2023-11-12 01:03:19,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:03:19,415 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:03:19,416 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:03:19,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:03:19,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:03:16" (1/3) ... [2023-11-12 01:03:19,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c3bbc95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:03:19, skipping insertion in model container [2023-11-12 01:03:19,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:16" (2/3) ... [2023-11-12 01:03:19,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c3bbc95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:03:19, skipping insertion in model container [2023-11-12 01:03:19,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:03:19" (3/3) ... [2023-11-12 01:03:19,424 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Barrel.c [2023-11-12 01:03:19,448 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:03:19,448 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:03:19,508 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:03:19,516 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@732bc63a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:03:19,517 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:03:19,522 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 01:03:19,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 01:03:19,530 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:03:19,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-12 01:03:19,532 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:03:19,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:03:19,539 INFO L85 PathProgramCache]: Analyzing trace with hash 21293088, now seen corresponding path program 1 times [2023-11-12 01:03:19,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:03:19,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070764480] [2023-11-12 01:03:19,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:03:19,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:03:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 01:03:23,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 01:03:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 01:03:25,976 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 01:03:25,979 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 01:03:25,980 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 01:03:25,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 01:03:25,989 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 01:03:25,994 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 01:03:26,034 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-12 01:03:26,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 01:03:26 BoogieIcfgContainer [2023-11-12 01:03:26,051 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 01:03:26,052 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 01:03:26,052 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 01:03:26,052 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 01:03:26,053 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:03:19" (3/4) ... [2023-11-12 01:03:26,056 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 01:03:26,057 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 01:03:26,059 INFO L158 Benchmark]: Toolchain (without parser) took 9962.32ms. Allocated memory was 174.1MB in the beginning and 396.4MB in the end (delta: 222.3MB). Free memory was 143.8MB in the beginning and 207.3MB in the end (delta: -63.5MB). Peak memory consumption was 158.6MB. Max. memory is 16.1GB. [2023-11-12 01:03:26,059 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:03:26,060 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.96ms. Allocated memory is still 174.1MB. Free memory was 143.6MB in the beginning and 129.5MB in the end (delta: 14.1MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2023-11-12 01:03:26,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.14ms. Allocated memory is still 174.1MB. Free memory was 129.5MB in the beginning and 115.1MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 01:03:26,062 INFO L158 Benchmark]: Boogie Preprocessor took 210.04ms. Allocated memory is still 174.1MB. Free memory was 115.1MB in the beginning and 133.4MB in the end (delta: -18.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 01:03:26,063 INFO L158 Benchmark]: RCFGBuilder took 2491.56ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 133.4MB in the beginning and 162.2MB in the end (delta: -28.8MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. [2023-11-12 01:03:26,064 INFO L158 Benchmark]: TraceAbstraction took 6635.60ms. Allocated memory was 209.7MB in the beginning and 396.4MB in the end (delta: 186.6MB). Free memory was 161.3MB in the beginning and 208.4MB in the end (delta: -47.1MB). Peak memory consumption was 166.8MB. Max. memory is 16.1GB. [2023-11-12 01:03:26,064 INFO L158 Benchmark]: Witness Printer took 5.84ms. Allocated memory is still 396.4MB. Free memory is still 207.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:03:26,068 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.96ms. Allocated memory is still 174.1MB. Free memory was 143.6MB in the beginning and 129.5MB in the end (delta: 14.1MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.14ms. Allocated memory is still 174.1MB. Free memory was 129.5MB in the beginning and 115.1MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 210.04ms. Allocated memory is still 174.1MB. Free memory was 115.1MB in the beginning and 133.4MB in the end (delta: -18.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2491.56ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 133.4MB in the beginning and 162.2MB in the end (delta: -28.8MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6635.60ms. Allocated memory was 209.7MB in the beginning and 396.4MB in the end (delta: 186.6MB). Free memory was 161.3MB in the beginning and 208.4MB in the end (delta: -47.1MB). Peak memory consumption was 166.8MB. Max. memory is 16.1GB. * Witness Printer took 5.84ms. Allocated memory is still 396.4MB. Free memory is still 207.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 63, overapproximation of bitwiseAnd at line 75. 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_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 2); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L32] const SORT_3 var_4 = 0; [L33] const SORT_1 var_78 = 1; [L35] SORT_1 input_2; [L37] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L37] SORT_3 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L38] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L38] SORT_3 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L39] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L39] SORT_3 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L40] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L40] SORT_3 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L42] SORT_3 init_6_arg_1 = var_4; [L43] state_5 = init_6_arg_1 [L44] SORT_3 init_9_arg_1 = var_4; [L45] state_8 = init_9_arg_1 [L46] SORT_3 init_26_arg_1 = var_4; [L47] state_25 = init_26_arg_1 [L48] SORT_3 init_44_arg_1 = var_4; [L49] state_43 = init_44_arg_1 VAL [init_26_arg_1=0, init_44_arg_1=0, init_6_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_3=3, msb_SORT_1=1, msb_SORT_3=2, state_25=0, state_43=0, state_5=0, state_8=0, var_4=0, var_78=1] [L52] input_2 = __VERIFIER_nondet_uchar() [L55] SORT_3 var_7_arg_0 = state_5; [L56] SORT_3 var_7_arg_1 = var_4; [L57] SORT_1 var_7 = var_7_arg_0 != var_7_arg_1; [L58] SORT_3 var_10_arg_0 = state_8; [L59] SORT_3 var_10_arg_1 = var_4; [L60] SORT_1 var_10 = var_10_arg_0 == var_10_arg_1; [L61] SORT_1 var_11_arg_0 = var_7; [L62] SORT_1 var_11_arg_1 = var_10; [L63] EXPR var_11_arg_0 | var_11_arg_1 [L63] SORT_1 var_11 = var_11_arg_0 | var_11_arg_1; [L64] SORT_3 var_12_arg_0 = state_5; [L65] SORT_3 var_12_arg_1 = var_4; [L66] SORT_1 var_12 = var_12_arg_0 != var_12_arg_1; [L67] SORT_3 var_13_arg_0 = state_8; [L68] SORT_3 var_13_arg_1 = var_4; [L69] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L70] SORT_1 var_14_arg_0 = var_12; [L71] SORT_1 var_14_arg_1 = var_13; [L72] EXPR var_14_arg_0 | var_14_arg_1 [L72] SORT_1 var_14 = var_14_arg_0 | var_14_arg_1; [L73] SORT_1 var_15_arg_0 = var_11; [L74] SORT_1 var_15_arg_1 = var_14; [L75] EXPR var_15_arg_0 & var_15_arg_1 [L75] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L76] SORT_3 var_16_arg_0 = state_5; [L77] SORT_3 var_16_arg_1 = var_4; [L78] SORT_1 var_16 = var_16_arg_0 != var_16_arg_1; [L79] SORT_3 var_17_arg_0 = state_8; [L80] SORT_3 var_17_arg_1 = var_4; [L81] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L82] SORT_1 var_18_arg_0 = var_16; [L83] SORT_1 var_18_arg_1 = var_17; [L84] EXPR var_18_arg_0 | var_18_arg_1 [L84] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L85] SORT_1 var_19_arg_0 = var_15; [L86] SORT_1 var_19_arg_1 = var_18; [L87] EXPR var_19_arg_0 & var_19_arg_1 [L87] SORT_1 var_19 = var_19_arg_0 & var_19_arg_1; [L88] SORT_3 var_20_arg_0 = state_5; [L89] SORT_3 var_20_arg_1 = var_4; [L90] SORT_1 var_20 = var_20_arg_0 != var_20_arg_1; [L91] SORT_3 var_21_arg_0 = state_8; [L92] SORT_3 var_21_arg_1 = var_4; [L93] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L94] SORT_1 var_22_arg_0 = var_20; [L95] SORT_1 var_22_arg_1 = var_21; [L96] EXPR var_22_arg_0 | var_22_arg_1 [L96] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L97] SORT_1 var_23_arg_0 = var_19; [L98] SORT_1 var_23_arg_1 = var_22; [L99] EXPR var_23_arg_0 & var_23_arg_1 [L99] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L100] SORT_3 var_24_arg_0 = state_8; [L101] SORT_3 var_24_arg_1 = var_4; [L102] SORT_1 var_24 = var_24_arg_0 != var_24_arg_1; [L103] SORT_3 var_27_arg_0 = state_25; [L104] SORT_3 var_27_arg_1 = var_4; [L105] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L106] SORT_1 var_28_arg_0 = var_24; [L107] SORT_1 var_28_arg_1 = var_27; [L108] EXPR var_28_arg_0 | var_28_arg_1 [L108] SORT_1 var_28 = var_28_arg_0 | var_28_arg_1; [L109] SORT_1 var_29_arg_0 = var_23; [L110] SORT_1 var_29_arg_1 = var_28; [L111] EXPR var_29_arg_0 & var_29_arg_1 [L111] SORT_1 var_29 = var_29_arg_0 & var_29_arg_1; [L112] SORT_3 var_30_arg_0 = state_8; [L113] SORT_3 var_30_arg_1 = var_4; [L114] SORT_1 var_30 = var_30_arg_0 != var_30_arg_1; [L115] SORT_3 var_31_arg_0 = state_25; [L116] SORT_3 var_31_arg_1 = var_4; [L117] SORT_1 var_31 = var_31_arg_0 == var_31_arg_1; [L118] SORT_1 var_32_arg_0 = var_30; [L119] SORT_1 var_32_arg_1 = var_31; [L120] EXPR var_32_arg_0 | var_32_arg_1 [L120] SORT_1 var_32 = var_32_arg_0 | var_32_arg_1; [L121] SORT_1 var_33_arg_0 = var_29; [L122] SORT_1 var_33_arg_1 = var_32; [L123] EXPR var_33_arg_0 & var_33_arg_1 [L123] SORT_1 var_33 = var_33_arg_0 & var_33_arg_1; [L124] SORT_3 var_34_arg_0 = state_8; [L125] SORT_3 var_34_arg_1 = var_4; [L126] SORT_1 var_34 = var_34_arg_0 != var_34_arg_1; [L127] SORT_3 var_35_arg_0 = state_25; [L128] SORT_3 var_35_arg_1 = var_4; [L129] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L130] SORT_1 var_36_arg_0 = var_34; [L131] SORT_1 var_36_arg_1 = var_35; [L132] EXPR var_36_arg_0 | var_36_arg_1 [L132] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L133] SORT_1 var_37_arg_0 = var_33; [L134] SORT_1 var_37_arg_1 = var_36; [L135] EXPR var_37_arg_0 & var_37_arg_1 [L135] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L136] SORT_3 var_38_arg_0 = state_8; [L137] SORT_3 var_38_arg_1 = var_4; [L138] SORT_1 var_38 = var_38_arg_0 != var_38_arg_1; [L139] SORT_3 var_39_arg_0 = state_25; [L140] SORT_3 var_39_arg_1 = var_4; [L141] SORT_1 var_39 = var_39_arg_0 == var_39_arg_1; [L142] SORT_1 var_40_arg_0 = var_38; [L143] SORT_1 var_40_arg_1 = var_39; [L144] EXPR var_40_arg_0 | var_40_arg_1 [L144] SORT_1 var_40 = var_40_arg_0 | var_40_arg_1; [L145] SORT_1 var_41_arg_0 = var_37; [L146] SORT_1 var_41_arg_1 = var_40; [L147] EXPR var_41_arg_0 & var_41_arg_1 [L147] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L148] SORT_3 var_42_arg_0 = state_25; [L149] SORT_3 var_42_arg_1 = var_4; [L150] SORT_1 var_42 = var_42_arg_0 != var_42_arg_1; [L151] SORT_3 var_45_arg_0 = state_43; [L152] SORT_3 var_45_arg_1 = var_4; [L153] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L154] SORT_1 var_46_arg_0 = var_42; [L155] SORT_1 var_46_arg_1 = var_45; [L156] EXPR var_46_arg_0 | var_46_arg_1 [L156] SORT_1 var_46 = var_46_arg_0 | var_46_arg_1; [L157] SORT_1 var_47_arg_0 = var_41; [L158] SORT_1 var_47_arg_1 = var_46; [L159] EXPR var_47_arg_0 & var_47_arg_1 [L159] SORT_1 var_47 = var_47_arg_0 & var_47_arg_1; [L160] SORT_3 var_48_arg_0 = state_25; [L161] SORT_3 var_48_arg_1 = var_4; [L162] SORT_1 var_48 = var_48_arg_0 != var_48_arg_1; [L163] SORT_3 var_49_arg_0 = state_43; [L164] SORT_3 var_49_arg_1 = var_4; [L165] SORT_1 var_49 = var_49_arg_0 == var_49_arg_1; [L166] SORT_1 var_50_arg_0 = var_48; [L167] SORT_1 var_50_arg_1 = var_49; [L168] EXPR var_50_arg_0 | var_50_arg_1 [L168] SORT_1 var_50 = var_50_arg_0 | var_50_arg_1; [L169] SORT_1 var_51_arg_0 = var_47; [L170] SORT_1 var_51_arg_1 = var_50; [L171] EXPR var_51_arg_0 & var_51_arg_1 [L171] SORT_1 var_51 = var_51_arg_0 & var_51_arg_1; [L172] SORT_3 var_52_arg_0 = state_25; [L173] SORT_3 var_52_arg_1 = var_4; [L174] SORT_1 var_52 = var_52_arg_0 != var_52_arg_1; [L175] SORT_3 var_53_arg_0 = state_43; [L176] SORT_3 var_53_arg_1 = var_4; [L177] SORT_1 var_53 = var_53_arg_0 == var_53_arg_1; [L178] SORT_1 var_54_arg_0 = var_52; [L179] SORT_1 var_54_arg_1 = var_53; [L180] EXPR var_54_arg_0 | var_54_arg_1 [L180] SORT_1 var_54 = var_54_arg_0 | var_54_arg_1; [L181] SORT_1 var_55_arg_0 = var_51; [L182] SORT_1 var_55_arg_1 = var_54; [L183] EXPR var_55_arg_0 & var_55_arg_1 [L183] SORT_1 var_55 = var_55_arg_0 & var_55_arg_1; [L184] SORT_3 var_56_arg_0 = state_25; [L185] SORT_3 var_56_arg_1 = var_4; [L186] SORT_1 var_56 = var_56_arg_0 != var_56_arg_1; [L187] SORT_3 var_57_arg_0 = state_43; [L188] SORT_3 var_57_arg_1 = var_4; [L189] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L190] SORT_1 var_58_arg_0 = var_56; [L191] SORT_1 var_58_arg_1 = var_57; [L192] EXPR var_58_arg_0 | var_58_arg_1 [L192] SORT_1 var_58 = var_58_arg_0 | var_58_arg_1; [L193] SORT_1 var_59_arg_0 = var_55; [L194] SORT_1 var_59_arg_1 = var_58; [L195] EXPR var_59_arg_0 & var_59_arg_1 [L195] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L196] SORT_3 var_60_arg_0 = state_43; [L197] SORT_3 var_60_arg_1 = var_4; [L198] SORT_1 var_60 = var_60_arg_0 != var_60_arg_1; [L199] SORT_3 var_61_arg_0 = state_5; [L200] SORT_3 var_61_arg_1 = var_4; [L201] SORT_1 var_61 = var_61_arg_0 == var_61_arg_1; [L202] SORT_1 var_62_arg_0 = var_60; [L203] SORT_1 var_62_arg_1 = var_61; [L204] EXPR var_62_arg_0 | var_62_arg_1 [L204] SORT_1 var_62 = var_62_arg_0 | var_62_arg_1; [L205] SORT_1 var_63_arg_0 = var_59; [L206] SORT_1 var_63_arg_1 = var_62; [L207] EXPR var_63_arg_0 & var_63_arg_1 [L207] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L208] SORT_3 var_64_arg_0 = state_43; [L209] SORT_3 var_64_arg_1 = var_4; [L210] SORT_1 var_64 = var_64_arg_0 != var_64_arg_1; [L211] SORT_3 var_65_arg_0 = state_5; [L212] SORT_3 var_65_arg_1 = var_4; [L213] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L214] SORT_1 var_66_arg_0 = var_64; [L215] SORT_1 var_66_arg_1 = var_65; [L216] EXPR var_66_arg_0 | var_66_arg_1 [L216] SORT_1 var_66 = var_66_arg_0 | var_66_arg_1; [L217] SORT_1 var_67_arg_0 = var_63; [L218] SORT_1 var_67_arg_1 = var_66; [L219] EXPR var_67_arg_0 & var_67_arg_1 [L219] SORT_1 var_67 = var_67_arg_0 & var_67_arg_1; [L220] SORT_3 var_68_arg_0 = state_43; [L221] SORT_3 var_68_arg_1 = var_4; [L222] SORT_1 var_68 = var_68_arg_0 != var_68_arg_1; [L223] SORT_3 var_69_arg_0 = state_5; [L224] SORT_3 var_69_arg_1 = var_4; [L225] SORT_1 var_69 = var_69_arg_0 == var_69_arg_1; [L226] SORT_1 var_70_arg_0 = var_68; [L227] SORT_1 var_70_arg_1 = var_69; [L228] EXPR var_70_arg_0 | var_70_arg_1 [L228] SORT_1 var_70 = var_70_arg_0 | var_70_arg_1; [L229] SORT_1 var_71_arg_0 = var_67; [L230] SORT_1 var_71_arg_1 = var_70; [L231] EXPR var_71_arg_0 & var_71_arg_1 [L231] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L232] SORT_3 var_72_arg_0 = state_43; [L233] SORT_3 var_72_arg_1 = var_4; [L234] SORT_1 var_72 = var_72_arg_0 != var_72_arg_1; [L235] SORT_3 var_73_arg_0 = state_5; [L236] SORT_3 var_73_arg_1 = var_4; [L237] SORT_1 var_73 = var_73_arg_0 == var_73_arg_1; [L238] SORT_1 var_74_arg_0 = var_72; [L239] SORT_1 var_74_arg_1 = var_73; [L240] EXPR var_74_arg_0 | var_74_arg_1 [L240] SORT_1 var_74 = var_74_arg_0 | var_74_arg_1; [L241] SORT_1 var_75_arg_0 = var_71; [L242] SORT_1 var_75_arg_1 = var_74; [L243] EXPR var_75_arg_0 & var_75_arg_1 [L243] SORT_1 var_75 = var_75_arg_0 & var_75_arg_1; [L244] SORT_1 var_79_arg_0 = var_75; [L245] SORT_1 var_79 = ~var_79_arg_0; [L246] SORT_1 var_80_arg_0 = var_78; [L247] SORT_1 var_80_arg_1 = var_79; [L248] EXPR var_80_arg_0 & var_80_arg_1 [L248] SORT_1 var_80 = var_80_arg_0 & var_80_arg_1; [L249] EXPR var_80 & mask_SORT_1 [L249] var_80 = var_80 & mask_SORT_1 [L250] SORT_1 bad_81_arg_0 = var_80; [L251] CALL __VERIFIER_assert(!(bad_81_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, 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, 3.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 01:03:26,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX --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 ae5f6e98a9adcbdf5e1e7125ae4ea5d0cf3bfadfc22b5bc300cef6d9a8d4cfbb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:03:28,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:03:29,100 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-12 01:03:29,110 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:03:29,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:03:29,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:03:29,162 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:03:29,163 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:03:29,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:03:29,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:03:29,170 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:03:29,170 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:03:29,171 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:03:29,173 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:03:29,173 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:03:29,174 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:03:29,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:03:29,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:03:29,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:03:29,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:03:29,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:03:29,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:03:29,179 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 01:03:29,179 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 01:03:29,180 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 01:03:29,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:03:29,181 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:03:29,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:03:29,182 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 01:03:29,182 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:03:29,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:03:29,184 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:03:29,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:03:29,185 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:03:29,185 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 01:03:29,186 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 01:03:29,186 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:03:29,186 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:03:29,186 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:03:29,187 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae5f6e98a9adcbdf5e1e7125ae4ea5d0cf3bfadfc22b5bc300cef6d9a8d4cfbb [2023-11-12 01:03:29,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:03:29,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:03:29,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:03:29,682 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:03:29,683 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:03:29,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2023-11-12 01:03:32,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:03:33,220 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:03:33,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2023-11-12 01:03:33,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/data/43d54a2aa/d0fb1524f0344891b14b4d8d0ad53fae/FLAGecd6b866a [2023-11-12 01:03:33,256 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/data/43d54a2aa/d0fb1524f0344891b14b4d8d0ad53fae [2023-11-12 01:03:33,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:03:33,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:03:33,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:03:33,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:03:33,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:03:33,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:03:33" (1/1) ... [2023-11-12 01:03:33,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@687a7da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:33, skipping insertion in model container [2023-11-12 01:03:33,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:03:33" (1/1) ... [2023-11-12 01:03:33,310 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:03:33,489 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1248,1261] [2023-11-12 01:03:33,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:03:33,589 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:03:33,605 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1248,1261] [2023-11-12 01:03:33,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:03:33,672 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:03:33,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:33 WrapperNode [2023-11-12 01:03:33,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:03:33,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:03:33,675 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:03:33,675 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:03:33,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:33" (1/1) ... [2023-11-12 01:03:33,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:33" (1/1) ... [2023-11-12 01:03:33,745 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 256 [2023-11-12 01:03:33,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:03:33,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:03:33,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:03:33,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:03:33,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:33" (1/1) ... [2023-11-12 01:03:33,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:33" (1/1) ... [2023-11-12 01:03:33,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:33" (1/1) ... [2023-11-12 01:03:33,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:33" (1/1) ... [2023-11-12 01:03:33,779 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:33" (1/1) ... [2023-11-12 01:03:33,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:33" (1/1) ... [2023-11-12 01:03:33,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:33" (1/1) ... [2023-11-12 01:03:33,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:33" (1/1) ... [2023-11-12 01:03:33,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:03:33,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:03:33,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:03:33,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:03:33,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:33" (1/1) ... [2023-11-12 01:03:33,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:03:33,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:03:33,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:03:33,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:03:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:03:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 01:03:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:03:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:03:34,079 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:03:34,082 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:03:34,636 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:03:34,642 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:03:34,643 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 01:03:34,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:03:34 BoogieIcfgContainer [2023-11-12 01:03:34,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:03:34,648 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:03:34,649 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:03:34,653 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:03:34,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:03:33" (1/3) ... [2023-11-12 01:03:34,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dcc7e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:03:34, skipping insertion in model container [2023-11-12 01:03:34,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:33" (2/3) ... [2023-11-12 01:03:34,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dcc7e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:03:34, skipping insertion in model container [2023-11-12 01:03:34,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:03:34" (3/3) ... [2023-11-12 01:03:34,657 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Barrel.c [2023-11-12 01:03:34,680 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:03:34,681 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:03:34,739 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:03:34,747 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5d20bab8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:03:34,748 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:03:34,754 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 01:03:34,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 01:03:34,761 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:03:34,761 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-12 01:03:34,762 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:03:34,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:03:34,772 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-12 01:03:34,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 01:03:34,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [230918394] [2023-11-12 01:03:34,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:03:34,790 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 01:03:34,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 01:03:34,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 01:03:34,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 01:03:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:03:35,205 WARN L260 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 143 conjunts are in the unsatisfiable core [2023-11-12 01:03:35,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:03:38,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:03:38,306 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 01:03:38,307 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 01:03:38,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [230918394] [2023-11-12 01:03:38,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [230918394] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:03:38,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:03:38,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 01:03:38,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226222917] [2023-11-12 01:03:38,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:03:38,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 01:03:38,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 01:03:38,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 01:03:38,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 01:03:38,371 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 01:03:38,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:03:38,442 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2023-11-12 01:03:38,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 01:03:38,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-12 01:03:38,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:03:38,451 INFO L225 Difference]: With dead ends: 14 [2023-11-12 01:03:38,451 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 01:03:38,454 INFO L412 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 [2023-11-12 01:03:38,458 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 01:03:38,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 5 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 01:03:38,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 01:03:38,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 01:03:38,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 01:03:38,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 01:03:38,487 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2023-11-12 01:03:38,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:03:38,488 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 01:03:38,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 01:03:38,488 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 01:03:38,489 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 01:03:38,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 01:03:38,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 01:03:38,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 01:03:38,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 01:03:38,730 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 01:03:38,730 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2023-11-12 01:03:38,730 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2023-11-12 01:03:38,731 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2023-11-12 01:03:38,731 INFO L895 garLoopResultBuilder]: At program point L50-2(lines 50 262) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= |ULTIMATE.start_main_~state_5~0#1| (_ bv0 8)) (= |ULTIMATE.start_main_~state_8~0#1| (_ bv0 8)) (= (_ bv0 8) |ULTIMATE.start_main_~state_25~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_43~0#1|) (= |ULTIMATE.start_main_~var_4~0#1| (_ bv0 8))) [2023-11-12 01:03:38,731 INFO L899 garLoopResultBuilder]: For program point L50-3(lines 50 262) no Hoare annotation was computed. [2023-11-12 01:03:38,732 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 01:03:38,732 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 23 264) no Hoare annotation was computed. [2023-11-12 01:03:38,733 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 01:03:38,733 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 01:03:38,733 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2023-11-12 01:03:38,738 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 01:03:38,741 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 01:03:38,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 01:03:38 BoogieIcfgContainer [2023-11-12 01:03:38,761 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 01:03:38,762 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 01:03:38,762 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 01:03:38,762 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 01:03:38,763 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:03:34" (3/4) ... [2023-11-12 01:03:38,765 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 01:03:38,785 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-12 01:03:38,786 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 01:03:38,786 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 01:03:38,787 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 01:03:38,946 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 01:03:38,947 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 01:03:38,947 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 01:03:38,948 INFO L158 Benchmark]: Toolchain (without parser) took 5686.62ms. Allocated memory was 81.8MB in the beginning and 266.3MB in the end (delta: 184.5MB). Free memory was 57.3MB in the beginning and 138.2MB in the end (delta: -81.0MB). Peak memory consumption was 106.1MB. Max. memory is 16.1GB. [2023-11-12 01:03:38,948 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 81.8MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:03:38,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.31ms. Allocated memory is still 81.8MB. Free memory was 57.0MB in the beginning and 40.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 01:03:38,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.01ms. Allocated memory is still 81.8MB. Free memory was 40.6MB in the beginning and 37.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 01:03:38,949 INFO L158 Benchmark]: Boogie Preprocessor took 62.03ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 37.5MB in the beginning and 89.5MB in the end (delta: -52.0MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2023-11-12 01:03:38,951 INFO L158 Benchmark]: RCFGBuilder took 836.76ms. Allocated memory is still 111.1MB. Free memory was 89.5MB in the beginning and 63.0MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-12 01:03:38,952 INFO L158 Benchmark]: TraceAbstraction took 4112.82ms. Allocated memory was 111.1MB in the beginning and 266.3MB in the end (delta: 155.2MB). Free memory was 62.2MB in the beginning and 145.6MB in the end (delta: -83.3MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2023-11-12 01:03:38,952 INFO L158 Benchmark]: Witness Printer took 185.14ms. Allocated memory is still 266.3MB. Free memory was 144.5MB in the beginning and 138.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 01:03:38,955 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 81.8MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.31ms. Allocated memory is still 81.8MB. Free memory was 57.0MB in the beginning and 40.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.01ms. Allocated memory is still 81.8MB. Free memory was 40.6MB in the beginning and 37.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.03ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 37.5MB in the beginning and 89.5MB in the end (delta: -52.0MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * RCFGBuilder took 836.76ms. Allocated memory is still 111.1MB. Free memory was 89.5MB in the beginning and 63.0MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4112.82ms. Allocated memory was 111.1MB in the beginning and 266.3MB in the end (delta: 155.2MB). Free memory was 62.2MB in the beginning and 145.6MB in the end (delta: -83.3MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. * Witness Printer took 185.14ms. Allocated memory is still 266.3MB. Free memory was 144.5MB in the beginning and 138.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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 - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 19 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 158 NumberOfNonLiveVariables, 225 ConjunctsInSsa, 143 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((((((1 == mask_SORT_1) && (state_5 == 0)) && (state_8 == 0)) && (0 == state_25)) && (0 == state_43)) && (var_4 == 0)) RESULT: Ultimate proved your program to be correct! [2023-11-12 01:03:38,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd4d09c8-32e0-47b0-abfe-013646fc95cb/bin/utaipan-verify-NcY6lQBIFX/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 Writing output log to file Ultimate.log Result: TRUE