./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/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_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ae5f6e98a9adcbdf5e1e7125ae4ea5d0cf3bfadfc22b5bc300cef6d9a8d4cfbb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:14:32,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:14:32,169 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:14:32,177 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:14:32,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:14:32,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:14:32,230 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:14:32,231 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:14:32,232 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:14:32,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:14:32,238 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:14:32,240 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:14:32,240 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:14:32,242 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:14:32,243 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:14:32,243 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:14:32,244 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:14:32,244 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:14:32,245 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:14:32,246 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:14:32,246 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:14:32,247 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:14:32,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:14:32,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:14:32,250 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:14:32,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:14:32,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:14:32,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:14:32,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:14:32,252 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:14:32,254 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:14:32,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:14:32,255 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:14:32,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:14:32,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:14:32,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:14:32,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:14:32,256 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:14:32,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:14:32,257 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:14:32,257 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:14:32,258 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:14:32,258 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_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae5f6e98a9adcbdf5e1e7125ae4ea5d0cf3bfadfc22b5bc300cef6d9a8d4cfbb [2023-11-19 05:14:32,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:14:32,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:14:32,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:14:32,704 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:14:32,705 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:14:32,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2023-11-19 05:14:36,220 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:14:36,493 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:14:36,494 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2023-11-19 05:14:36,510 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/data/9185d2cd3/1476abc8135447d38ca9fc5789209d4b/FLAGdd8d031ac [2023-11-19 05:14:36,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/data/9185d2cd3/1476abc8135447d38ca9fc5789209d4b [2023-11-19 05:14:36,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:14:36,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:14:36,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:36,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:14:36,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:14:36,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:36" (1/1) ... [2023-11-19 05:14:36,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c57bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:36, skipping insertion in model container [2023-11-19 05:14:36,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:36" (1/1) ... [2023-11-19 05:14:36,588 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:14:36,826 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_6bc32daf-a414-41ab-9be1-137d5079b2e3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1248,1261] [2023-11-19 05:14:37,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:14:37,024 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:14:37,052 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_6bc32daf-a414-41ab-9be1-137d5079b2e3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1248,1261] [2023-11-19 05:14:37,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:14:37,143 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:14:37,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:37 WrapperNode [2023-11-19 05:14:37,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:37,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:14:37,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:14:37,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:14:37,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:37" (1/1) ... [2023-11-19 05:14:37,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:37" (1/1) ... [2023-11-19 05:14:37,247 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 626 [2023-11-19 05:14:37,248 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:14:37,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:14:37,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:14:37,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:14:37,258 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:37" (1/1) ... [2023-11-19 05:14:37,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:37" (1/1) ... [2023-11-19 05:14:37,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:37" (1/1) ... [2023-11-19 05:14:37,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:37" (1/1) ... [2023-11-19 05:14:37,313 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:37" (1/1) ... [2023-11-19 05:14:37,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:37" (1/1) ... [2023-11-19 05:14:37,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:37" (1/1) ... [2023-11-19 05:14:37,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:37" (1/1) ... [2023-11-19 05:14:37,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:14:37,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:14:37,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:14:37,352 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:14:37,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:37" (1/1) ... [2023-11-19 05:14:37,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:14:37,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:14:37,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:14:37,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:14:37,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:14:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:14:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:14:37,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:14:37,692 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:14:37,693 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:14:38,576 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:14:39,682 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:14:39,682 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:14:39,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:39 BoogieIcfgContainer [2023-11-19 05:14:39,691 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:14:39,695 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:14:39,695 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:14:39,700 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:14:39,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:14:36" (1/3) ... [2023-11-19 05:14:39,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56dab0ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:39, skipping insertion in model container [2023-11-19 05:14:39,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:37" (2/3) ... [2023-11-19 05:14:39,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56dab0ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:39, skipping insertion in model container [2023-11-19 05:14:39,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:39" (3/3) ... [2023-11-19 05:14:39,708 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Barrel.c [2023-11-19 05:14:39,733 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:14:39,733 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:14:39,807 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:14:39,817 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;@20392db3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:14:39,818 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:14:39,823 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:14:39,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 05:14:39,831 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:39,832 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-19 05:14:39,834 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:39,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:39,845 INFO L85 PathProgramCache]: Analyzing trace with hash 21293088, now seen corresponding path program 1 times [2023-11-19 05:14:39,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:14:39,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279410495] [2023-11-19 05:14:39,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:39,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:14:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:14:43,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:14:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:14:46,290 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:14:46,294 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:14:46,296 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:14:46,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:14:46,304 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:14:46,313 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:14:46,382 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 05:14:46,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:14:46 BoogieIcfgContainer [2023-11-19 05:14:46,415 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:14:46,417 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:14:46,417 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:14:46,419 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:14:46,419 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:39" (3/4) ... [2023-11-19 05:14:46,423 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:14:46,424 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:14:46,426 INFO L158 Benchmark]: Toolchain (without parser) took 9893.06ms. Allocated memory was 144.7MB in the beginning and 299.9MB in the end (delta: 155.2MB). Free memory was 114.3MB in the beginning and 137.0MB in the end (delta: -22.7MB). Peak memory consumption was 132.1MB. Max. memory is 16.1GB. [2023-11-19 05:14:46,426 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 119.5MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:14:46,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.34ms. Allocated memory is still 144.7MB. Free memory was 114.3MB in the beginning and 96.3MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:14:46,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.51ms. Allocated memory is still 144.7MB. Free memory was 96.3MB in the beginning and 82.9MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:14:46,432 INFO L158 Benchmark]: Boogie Preprocessor took 102.77ms. Allocated memory is still 144.7MB. Free memory was 82.9MB in the beginning and 77.4MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:14:46,437 INFO L158 Benchmark]: RCFGBuilder took 2339.82ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 77.4MB in the beginning and 130.3MB in the end (delta: -52.9MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2023-11-19 05:14:46,440 INFO L158 Benchmark]: TraceAbstraction took 6720.18ms. Allocated memory was 178.3MB in the beginning and 299.9MB in the end (delta: 121.6MB). Free memory was 130.3MB in the beginning and 138.1MB in the end (delta: -7.8MB). Peak memory consumption was 173.6MB. Max. memory is 16.1GB. [2023-11-19 05:14:46,440 INFO L158 Benchmark]: Witness Printer took 7.15ms. Allocated memory is still 299.9MB. Free memory was 138.1MB in the beginning and 137.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:14:46,451 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 119.5MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 610.34ms. Allocated memory is still 144.7MB. Free memory was 114.3MB in the beginning and 96.3MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.51ms. Allocated memory is still 144.7MB. Free memory was 96.3MB in the beginning and 82.9MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.77ms. Allocated memory is still 144.7MB. Free memory was 82.9MB in the beginning and 77.4MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2339.82ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 77.4MB in the beginning and 130.3MB in the end (delta: -52.9MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6720.18ms. Allocated memory was 178.3MB in the beginning and 299.9MB in the end (delta: 121.6MB). Free memory was 130.3MB in the beginning and 138.1MB in the end (delta: -7.8MB). Peak memory consumption was 173.6MB. Max. memory is 16.1GB. * Witness Printer took 7.15ms. Allocated memory is still 299.9MB. Free memory was 138.1MB in the beginning and 137.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of 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, 3.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:14:46,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/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_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ae5f6e98a9adcbdf5e1e7125ae4ea5d0cf3bfadfc22b5bc300cef6d9a8d4cfbb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:14:49,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:14:49,478 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-19 05:14:49,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:14:49,486 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:14:49,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:14:49,540 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:14:49,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:14:49,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:14:49,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:14:49,547 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:14:49,548 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:14:49,549 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:14:49,555 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:14:49,555 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:14:49,556 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:14:49,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:14:49,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:14:49,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:14:49,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:14:49,560 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:14:49,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:14:49,562 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:14:49,562 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:14:49,563 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:14:49,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:14:49,564 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:14:49,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:14:49,565 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:14:49,565 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:14:49,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:14:49,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:14:49,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:14:49,568 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:14:49,568 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:14:49,569 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:14:49,569 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:14:49,569 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:14:49,569 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:14:49,571 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_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae5f6e98a9adcbdf5e1e7125ae4ea5d0cf3bfadfc22b5bc300cef6d9a8d4cfbb [2023-11-19 05:14:49,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:14:49,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:14:49,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:14:49,997 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:14:49,998 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:14:50,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2023-11-19 05:14:53,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:14:53,632 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:14:53,632 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2023-11-19 05:14:53,643 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/data/c2cf0413f/e8661d66bafc489d838b2610dcf046a8/FLAG8cbee13cd [2023-11-19 05:14:53,658 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/data/c2cf0413f/e8661d66bafc489d838b2610dcf046a8 [2023-11-19 05:14:53,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:14:53,663 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:14:53,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:53,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:14:53,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:14:53,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:53" (1/1) ... [2023-11-19 05:14:53,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d067adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:53, skipping insertion in model container [2023-11-19 05:14:53,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:53" (1/1) ... [2023-11-19 05:14:53,704 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:14:53,932 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_6bc32daf-a414-41ab-9be1-137d5079b2e3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1248,1261] [2023-11-19 05:14:54,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:14:54,028 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:14:54,052 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_6bc32daf-a414-41ab-9be1-137d5079b2e3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1248,1261] [2023-11-19 05:14:54,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:14:54,144 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:14:54,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:54 WrapperNode [2023-11-19 05:14:54,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:54,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:14:54,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:14:54,147 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:14:54,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:54" (1/1) ... [2023-11-19 05:14:54,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:54" (1/1) ... [2023-11-19 05:14:54,216 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 256 [2023-11-19 05:14:54,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:14:54,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:14:54,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:14:54,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:14:54,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:54" (1/1) ... [2023-11-19 05:14:54,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:54" (1/1) ... [2023-11-19 05:14:54,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:54" (1/1) ... [2023-11-19 05:14:54,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:54" (1/1) ... [2023-11-19 05:14:54,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:54" (1/1) ... [2023-11-19 05:14:54,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:54" (1/1) ... [2023-11-19 05:14:54,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:54" (1/1) ... [2023-11-19 05:14:54,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:54" (1/1) ... [2023-11-19 05:14:54,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:14:54,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:14:54,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:14:54,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:14:54,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:54" (1/1) ... [2023-11-19 05:14:54,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:14:54,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:14:54,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:14:54,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:14:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:14:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:14:54,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:14:54,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:14:54,567 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:14:54,569 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:14:55,072 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:14:55,079 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:14:55,080 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:14:55,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:55 BoogieIcfgContainer [2023-11-19 05:14:55,083 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:14:55,086 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:14:55,095 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:14:55,099 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:14:55,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:14:53" (1/3) ... [2023-11-19 05:14:55,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae0b101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:55, skipping insertion in model container [2023-11-19 05:14:55,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:54" (2/3) ... [2023-11-19 05:14:55,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae0b101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:55, skipping insertion in model container [2023-11-19 05:14:55,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:55" (3/3) ... [2023-11-19 05:14:55,104 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Barrel.c [2023-11-19 05:14:55,125 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:14:55,126 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:14:55,191 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:14:55,200 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;@44ff7706, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:14:55,201 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:14:55,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:14:55,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 05:14:55,213 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:55,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 05:14:55,214 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:55,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:55,224 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-19 05:14:55,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:14:55,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1838126188] [2023-11-19 05:14:55,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:55,244 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:55,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:14:55,247 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:14:55,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:14:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:55,616 WARN L260 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 143 conjunts are in the unsatisfiable core [2023-11-19 05:14:55,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:58,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:14:58,694 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:14:58,695 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:14:58,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1838126188] [2023-11-19 05:14:58,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1838126188] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:58,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:14:58,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:14:58,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092420477] [2023-11-19 05:14:58,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:58,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:14:58,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:14:58,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:14:58,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:14:58,764 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:14:58,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:58,850 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2023-11-19 05:14:58,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:14:58,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-19 05:14:58,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:58,860 INFO L225 Difference]: With dead ends: 14 [2023-11-19 05:14:58,861 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:14:58,864 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 [2023-11-19 05:14:58,869 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 [2023-11-19 05:14:58,871 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] [2023-11-19 05:14:58,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:14:58,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:14:58,901 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) [2023-11-19 05:14:58,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:14:58,903 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2023-11-19 05:14:58,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:58,903 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:14:58,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:14:58,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:14:58,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:14:58,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:14:58,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 05:14:59,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:59,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 05:14:59,148 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:14:59,148 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2023-11-19 05:14:59,149 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2023-11-19 05:14:59,150 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2023-11-19 05:14:59,150 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))) [2023-11-19 05:14:59,150 INFO L899 garLoopResultBuilder]: For program point L50-3(lines 50 262) no Hoare annotation was computed. [2023-11-19 05:14:59,151 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 05:14:59,151 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 23 264) no Hoare annotation was computed. [2023-11-19 05:14:59,151 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 05:14:59,151 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 05:14:59,152 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2023-11-19 05:14:59,156 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:14:59,160 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:14:59,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:14:59 BoogieIcfgContainer [2023-11-19 05:14:59,173 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:14:59,174 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:14:59,174 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:14:59,175 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:14:59,175 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:55" (3/4) ... [2023-11-19 05:14:59,178 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:14:59,191 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 05:14:59,192 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 05:14:59,192 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 05:14:59,193 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:14:59,406 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:14:59,407 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:14:59,407 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:14:59,408 INFO L158 Benchmark]: Toolchain (without parser) took 5745.31ms. Allocated memory was 71.3MB in the beginning and 362.8MB in the end (delta: 291.5MB). Free memory was 39.1MB in the beginning and 335.3MB in the end (delta: -296.2MB). Peak memory consumption was 109.0MB. Max. memory is 16.1GB. [2023-11-19 05:14:59,408 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:14:59,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.49ms. Allocated memory is still 71.3MB. Free memory was 38.9MB in the beginning and 41.7MB in the end (delta: -2.8MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-11-19 05:14:59,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.46ms. Allocated memory is still 71.3MB. Free memory was 41.7MB in the beginning and 38.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:14:59,410 INFO L158 Benchmark]: Boogie Preprocessor took 73.64ms. Allocated memory is still 71.3MB. Free memory was 38.6MB in the beginning and 36.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:14:59,412 INFO L158 Benchmark]: RCFGBuilder took 791.79ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 36.3MB in the beginning and 50.8MB in the end (delta: -14.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2023-11-19 05:14:59,413 INFO L158 Benchmark]: TraceAbstraction took 4087.06ms. Allocated memory was 94.4MB in the beginning and 362.8MB in the end (delta: 268.4MB). Free memory was 50.2MB in the beginning and 228.0MB in the end (delta: -177.9MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. [2023-11-19 05:14:59,413 INFO L158 Benchmark]: Witness Printer took 232.94ms. Allocated memory is still 362.8MB. Free memory was 228.0MB in the beginning and 335.3MB in the end (delta: -107.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 05:14:59,419 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.49ms. Allocated memory is still 71.3MB. Free memory was 38.9MB in the beginning and 41.7MB in the end (delta: -2.8MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.46ms. Allocated memory is still 71.3MB. Free memory was 41.7MB in the beginning and 38.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.64ms. Allocated memory is still 71.3MB. Free memory was 38.6MB in the beginning and 36.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 791.79ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 36.3MB in the beginning and 50.8MB in the end (delta: -14.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4087.06ms. Allocated memory was 94.4MB in the beginning and 362.8MB in the end (delta: 268.4MB). Free memory was 50.2MB in the beginning and 228.0MB in the end (delta: -177.9MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. * Witness Printer took 232.94ms. Allocated memory is still 362.8MB. Free memory was 228.0MB in the beginning and 335.3MB in the end (delta: -107.3MB). 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: 0.2s, 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! [2023-11-19 05:14:59,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc32daf-a414-41ab-9be1-137d5079b2e3/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE