./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh --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 f5e5c42bbeffae4fb860efffdbf66b7537cb720af3f49bb62a0f81dcf7dbce99 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:48:48,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:48:48,371 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 17:48:48,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:48:48,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:48:48,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:48:48,402 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:48:48,402 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:48:48,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:48:48,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:48:48,404 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:48:48,405 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:48:48,405 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:48:48,406 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:48:48,406 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:48:48,407 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:48:48,407 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:48:48,408 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:48:48,408 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:48:48,409 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:48:48,410 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:48:48,410 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:48:48,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:48:48,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:48:48,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:48:48,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:48:48,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:48:48,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:48:48,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:48:48,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:48:48,415 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:48:48,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:48:48,415 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:48:48,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:48:48,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:48:48,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:48:48,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:48:48,416 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:48:48,417 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:48:48,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:48:48,417 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:48:48,417 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:48:48,418 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:48:48,418 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:48:48,418 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_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5e5c42bbeffae4fb860efffdbf66b7537cb720af3f49bb62a0f81dcf7dbce99 [2023-12-02 17:48:48,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:48:48,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:48:48,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:48:48,690 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:48:48,690 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:48:48,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2023-12-02 17:48:51,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:48:51,712 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:48:51,712 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2023-12-02 17:48:51,723 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/data/f841086d3/f026b5b659fc426caa2167efc18d4f43/FLAG0128a700d [2023-12-02 17:48:51,734 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/data/f841086d3/f026b5b659fc426caa2167efc18d4f43 [2023-12-02 17:48:51,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:48:51,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:48:51,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:48:51,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:48:51,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:48:51,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:48:51" (1/1) ... [2023-12-02 17:48:51,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0a367b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:48:51, skipping insertion in model container [2023-12-02 17:48:51,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:48:51" (1/1) ... [2023-12-02 17:48:51,799 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:48:51,935 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_77316496-12dd-4288-be52-88ca456f86ea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1246,1259] [2023-12-02 17:48:52,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:48:52,094 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:48:52,106 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1246,1259] [2023-12-02 17:48:52,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:48:52,216 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:48:52,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:48:52 WrapperNode [2023-12-02 17:48:52,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:48:52,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:48:52,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:48:52,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:48:52,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:48:52" (1/1) ... [2023-12-02 17:48:52,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:48:52" (1/1) ... [2023-12-02 17:48:52,503 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1704 [2023-12-02 17:48:52,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:48:52,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:48:52,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:48:52,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:48:52,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:48:52" (1/1) ... [2023-12-02 17:48:52,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:48:52" (1/1) ... [2023-12-02 17:48:52,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:48:52" (1/1) ... [2023-12-02 17:48:52,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:48:52" (1/1) ... [2023-12-02 17:48:52,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:48:52" (1/1) ... [2023-12-02 17:48:52,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:48:52" (1/1) ... [2023-12-02 17:48:52,649 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:48:52" (1/1) ... [2023-12-02 17:48:52,659 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:48:52" (1/1) ... [2023-12-02 17:48:52,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:48:52,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:48:52,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:48:52,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:48:52,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:48:52" (1/1) ... [2023-12-02 17:48:52,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:48:52,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:48:52,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:48:52,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:48:52,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:48:52,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:48:52,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:48:52,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:48:52,949 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:48:52,951 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:48:54,410 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:48:56,714 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:48:56,714 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:48:56,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:48:56 BoogieIcfgContainer [2023-12-02 17:48:56,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:48:56,718 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:48:56,718 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:48:56,721 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:48:56,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:48:51" (1/3) ... [2023-12-02 17:48:56,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d0777e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:48:56, skipping insertion in model container [2023-12-02 17:48:56,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:48:52" (2/3) ... [2023-12-02 17:48:56,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d0777e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:48:56, skipping insertion in model container [2023-12-02 17:48:56,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:48:56" (3/3) ... [2023-12-02 17:48:56,724 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Ibuf.c [2023-12-02 17:48:56,745 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:48:56,745 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:48:56,793 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:48:56,799 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;@3a6d95fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:48:56,800 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:48:56,804 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) [2023-12-02 17:48:56,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 17:48:56,810 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:48:56,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 17:48:56,811 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:48:56,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:48:56,816 INFO L85 PathProgramCache]: Analyzing trace with hash 62995118, now seen corresponding path program 1 times [2023-12-02 17:48:56,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:48:56,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274518504] [2023-12-02 17:48:56,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:48:56,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:48:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:48:58,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:48:58,674 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:48:58,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274518504] [2023-12-02 17:48:58,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274518504] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:48:58,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:48:58,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 17:48:58,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640410740] [2023-12-02 17:48:58,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:48:58,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 17:48:58,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:48:58,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 17:48:58,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 17:48:58,712 INFO L87 Difference]: Start difference. First 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) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-12-02 17:49:00,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:49:02,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:49:04,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:49:07,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:49:09,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:49:11,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:49:11,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:49:11,052 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2023-12-02 17:49:11,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 17:49:11,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2023-12-02 17:49:11,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:49:11,071 INFO L225 Difference]: With dead ends: 15 [2023-12-02 17:49:11,071 INFO L226 Difference]: Without dead ends: 9 [2023-12-02 17:49:11,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 17:49:11,075 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:49:11,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 6 Unknown, 0 Unchecked, 12.3s Time] [2023-12-02 17:49:11,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-12-02 17:49:11,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-12-02 17:49:11,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) [2023-12-02 17:49:11,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-12-02 17:49:11,100 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-12-02 17:49:11,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:49:11,100 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-12-02 17:49:11,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-12-02 17:49:11,101 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-12-02 17:49:11,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 17:49:11,101 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:49:11,101 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-12-02 17:49:11,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 17:49:11,102 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:49:11,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:49:11,102 INFO L85 PathProgramCache]: Analyzing trace with hash -149199584, now seen corresponding path program 1 times [2023-12-02 17:49:11,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:49:11,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248530068] [2023-12-02 17:49:11,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:49:11,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:49:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:49:19,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 17:49:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:49:28,012 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 17:49:28,012 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 17:49:28,014 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 17:49:28,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 17:49:28,019 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 17:49:28,023 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 17:49:28,086 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-02 17:49:28,087 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-02 17:49:28,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:49:28 BoogieIcfgContainer [2023-12-02 17:49:28,114 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:49:28,114 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:49:28,114 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:49:28,115 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:49:28,115 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:48:56" (3/4) ... [2023-12-02 17:49:28,117 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 17:49:28,118 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:49:28,119 INFO L158 Benchmark]: Toolchain (without parser) took 36380.63ms. Allocated memory was 172.0MB in the beginning and 861.9MB in the end (delta: 690.0MB). Free memory was 122.9MB in the beginning and 331.2MB in the end (delta: -208.3MB). Peak memory consumption was 484.6MB. Max. memory is 16.1GB. [2023-12-02 17:49:28,120 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:49:28,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.04ms. Allocated memory is still 172.0MB. Free memory was 122.2MB in the beginning and 94.4MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-02 17:49:28,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 286.75ms. Allocated memory was 172.0MB in the beginning and 272.6MB in the end (delta: 100.7MB). Free memory was 94.4MB in the beginning and 218.5MB in the end (delta: -124.1MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2023-12-02 17:49:28,122 INFO L158 Benchmark]: Boogie Preprocessor took 202.59ms. Allocated memory is still 272.6MB. Free memory was 218.5MB in the beginning and 204.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 17:49:28,123 INFO L158 Benchmark]: RCFGBuilder took 4007.66ms. Allocated memory was 272.6MB in the beginning and 352.3MB in the end (delta: 79.7MB). Free memory was 204.9MB in the beginning and 185.4MB in the end (delta: 19.5MB). Peak memory consumption was 201.9MB. Max. memory is 16.1GB. [2023-12-02 17:49:28,123 INFO L158 Benchmark]: TraceAbstraction took 31395.81ms. Allocated memory was 352.3MB in the beginning and 861.9MB in the end (delta: 509.6MB). Free memory was 185.4MB in the beginning and 331.2MB in the end (delta: -145.8MB). Peak memory consumption was 430.9MB. Max. memory is 16.1GB. [2023-12-02 17:49:28,124 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 861.9MB. Free memory is still 331.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:49:28,127 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 477.04ms. Allocated memory is still 172.0MB. Free memory was 122.2MB in the beginning and 94.4MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 286.75ms. Allocated memory was 172.0MB in the beginning and 272.6MB in the end (delta: 100.7MB). Free memory was 94.4MB in the beginning and 218.5MB in the end (delta: -124.1MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 202.59ms. Allocated memory is still 272.6MB. Free memory was 218.5MB in the beginning and 204.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 4007.66ms. Allocated memory was 272.6MB in the beginning and 352.3MB in the end (delta: 79.7MB). Free memory was 204.9MB in the beginning and 185.4MB in the end (delta: 19.5MB). Peak memory consumption was 201.9MB. Max. memory is 16.1GB. * TraceAbstraction took 31395.81ms. Allocated memory was 352.3MB in the beginning and 861.9MB in the end (delta: 509.6MB). Free memory was 185.4MB in the beginning and 331.2MB in the end (delta: -145.8MB). Peak memory consumption was 430.9MB. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 861.9MB. Free memory is still 331.2MB. 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 69, overapproximation of bitwiseAnd at line 76. 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_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 3); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (3 - 1); [L35] const SORT_5 var_9 = 0; [L36] const SORT_1 var_26 = 1; [L37] const SORT_1 var_140 = 0; [L39] SORT_1 input_2; [L40] SORT_3 input_4; [L41] SORT_5 input_6; [L42] SORT_3 input_7; [L43] SORT_5 input_8; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L45] SORT_5 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L46] SORT_5 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L48] SORT_5 init_11_arg_1 = var_9; [L49] state_10 = init_11_arg_1 [L50] SORT_5 init_14_arg_1 = var_9; [L51] state_13 = init_14_arg_1 VAL [init_11_arg_1=0, init_14_arg_1=0, mask_SORT_1=1, mask_SORT_3=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_3=2, msb_SORT_5=4, state_10=0, state_13=0, var_140=0, var_26=1, var_9=0] [L54] input_2 = __VERIFIER_nondet_uchar() [L55] input_4 = __VERIFIER_nondet_uchar() [L56] input_6 = __VERIFIER_nondet_uchar() [L57] input_7 = __VERIFIER_nondet_uchar() [L58] input_8 = __VERIFIER_nondet_uchar() [L61] SORT_5 var_12_arg_0 = state_10; [L62] SORT_1 var_12 = var_12_arg_0 >> 0; [L63] SORT_5 var_15_arg_0 = state_13; [L64] SORT_1 var_15 = var_15_arg_0 >> 0; [L65] SORT_1 var_16_arg_0 = var_15; [L66] SORT_1 var_16 = ~var_16_arg_0; [L67] SORT_1 var_17_arg_0 = var_12; [L68] SORT_1 var_17_arg_1 = var_16; [L69] EXPR var_17_arg_0 | var_17_arg_1 [L69] SORT_1 var_17 = var_17_arg_0 | var_17_arg_1; [L70] SORT_5 var_18_arg_0 = state_10; [L71] SORT_1 var_18 = var_18_arg_0 >> 1; [L72] SORT_1 var_19_arg_0 = var_18; [L73] SORT_1 var_19 = ~var_19_arg_0; [L74] SORT_1 var_20_arg_0 = var_12; [L75] SORT_1 var_20_arg_1 = var_19; [L76] EXPR var_20_arg_0 & var_20_arg_1 [L76] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L77] SORT_1 var_21_arg_0 = var_20; [L78] SORT_1 var_21 = ~var_21_arg_0; [L79] SORT_1 var_22_arg_0 = var_21; [L80] SORT_1 var_22_arg_1 = var_15; [L81] EXPR var_22_arg_0 | var_22_arg_1 [L81] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L82] SORT_1 var_23_arg_0 = var_17; [L83] SORT_1 var_23_arg_1 = var_22; [L84] EXPR var_23_arg_0 & var_23_arg_1 [L84] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L85] SORT_1 var_27_arg_0 = var_23; [L86] SORT_1 var_27 = ~var_27_arg_0; [L87] SORT_1 var_28_arg_0 = var_26; [L88] SORT_1 var_28_arg_1 = var_27; [L89] EXPR var_28_arg_0 & var_28_arg_1 [L89] SORT_1 var_28 = var_28_arg_0 & var_28_arg_1; [L90] EXPR var_28 & mask_SORT_1 [L90] var_28 = var_28 & mask_SORT_1 [L91] SORT_1 bad_29_arg_0 = var_28; [L92] CALL __VERIFIER_assert(!(bad_29_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L92] RET __VERIFIER_assert(!(bad_29_arg_0)) [L94] SORT_5 var_169_arg_0 = input_6; [L95] SORT_1 var_169 = var_169_arg_0 >> 2; [L96] EXPR var_169 & mask_SORT_1 [L96] var_169 = var_169 & mask_SORT_1 [L97] SORT_1 var_170_arg_0 = var_140; [L98] SORT_1 var_170_arg_1 = var_169; [L99] EXPR ((SORT_3)var_170_arg_0 << 1) | var_170_arg_1 [L99] SORT_3 var_170 = ((SORT_3)var_170_arg_0 << 1) | var_170_arg_1; [L100] SORT_3 var_171_arg_0 = var_170; [L101] SORT_3 var_171 = ~var_171_arg_0; [L102] SORT_5 var_56_arg_0 = state_10; [L103] SORT_1 var_56 = var_56_arg_0 >> 2; [L104] SORT_1 var_172_arg_0 = var_56; [L105] EXPR var_172_arg_0 & mask_SORT_1 [L105] var_172_arg_0 = var_172_arg_0 & mask_SORT_1 [L106] SORT_3 var_172 = var_172_arg_0; [L107] SORT_3 var_30_arg_0 = input_4; [L108] SORT_1 var_30 = var_30_arg_0 >> 0; [L109] SORT_5 var_39_arg_0 = input_8; [L110] SORT_1 var_39 = var_39_arg_0 >> 2; [L111] SORT_1 var_55_arg_0 = var_30; [L112] SORT_1 var_55_arg_1 = var_39; [L113] EXPR var_55_arg_0 & var_55_arg_1 [L113] SORT_1 var_55 = var_55_arg_0 & var_55_arg_1; [L114] SORT_1 var_57_arg_0 = var_55; [L115] SORT_1 var_57_arg_1 = var_56; [L116] EXPR var_57_arg_0 & var_57_arg_1 [L116] SORT_1 var_57 = var_57_arg_0 & var_57_arg_1; [L117] SORT_5 var_38_arg_0 = state_13; [L118] SORT_1 var_38 = var_38_arg_0 >> 1; [L119] SORT_1 var_58_arg_0 = var_38; [L120] SORT_1 var_58 = ~var_58_arg_0; [L121] SORT_5 var_31_arg_0 = input_8; [L122] SORT_1 var_31 = var_31_arg_0 >> 0; [L123] SORT_1 var_59_arg_0 = var_31; [L124] SORT_1 var_59 = ~var_59_arg_0; [L125] SORT_1 var_60_arg_0 = var_58; [L126] SORT_1 var_60_arg_1 = var_59; [L127] EXPR var_60_arg_0 | var_60_arg_1 [L127] SORT_1 var_60 = var_60_arg_0 | var_60_arg_1; [L128] SORT_1 var_61_arg_0 = var_57; [L129] SORT_1 var_61_arg_1 = var_60; [L130] EXPR var_61_arg_0 & var_61_arg_1 [L130] SORT_1 var_61 = var_61_arg_0 & var_61_arg_1; [L131] SORT_5 var_50_arg_0 = state_13; [L132] SORT_1 var_50 = var_50_arg_0 >> 2; [L133] SORT_5 var_34_arg_0 = input_8; [L134] SORT_1 var_34 = var_34_arg_0 >> 1; [L135] SORT_1 var_62_arg_0 = var_34; [L136] SORT_1 var_62 = ~var_62_arg_0; [L137] SORT_1 var_63_arg_0 = var_50; [L138] SORT_1 var_63_arg_1 = var_62; [L139] EXPR var_63_arg_0 | var_63_arg_1 [L139] SORT_1 var_63 = var_63_arg_0 | var_63_arg_1; [L140] SORT_1 var_64_arg_0 = var_61; [L141] SORT_1 var_64_arg_1 = var_63; [L142] EXPR var_64_arg_0 & var_64_arg_1 [L142] SORT_1 var_64 = var_64_arg_0 & var_64_arg_1; [L143] SORT_1 var_173_arg_0 = var_64; [L144] EXPR var_173_arg_0 & mask_SORT_1 [L144] var_173_arg_0 = var_173_arg_0 & mask_SORT_1 [L145] SORT_3 var_173 = var_173_arg_0; [L146] SORT_3 var_66_arg_0 = input_4; [L147] SORT_1 var_66 = var_66_arg_0 >> 1; [L148] SORT_1 var_94_arg_0 = var_66; [L149] SORT_1 var_94_arg_1 = var_39; [L150] EXPR var_94_arg_0 & var_94_arg_1 [L150] SORT_1 var_94 = var_94_arg_0 & var_94_arg_1; [L151] SORT_1 var_95_arg_0 = var_94; [L152] SORT_1 var_95_arg_1 = var_56; [L153] EXPR var_95_arg_0 & var_95_arg_1 [L153] SORT_1 var_95 = var_95_arg_0 & var_95_arg_1; [L154] SORT_1 var_96_arg_0 = var_38; [L155] SORT_1 var_96 = ~var_96_arg_0; [L156] SORT_1 var_97_arg_0 = var_31; [L157] SORT_1 var_97 = ~var_97_arg_0; [L158] SORT_1 var_98_arg_0 = var_96; [L159] SORT_1 var_98_arg_1 = var_97; [L160] EXPR var_98_arg_0 | var_98_arg_1 [L160] SORT_1 var_98 = var_98_arg_0 | var_98_arg_1; [L161] SORT_1 var_32_arg_0 = var_30; [L162] SORT_1 var_32_arg_1 = var_31; [L163] EXPR var_32_arg_0 & var_32_arg_1 [L163] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L164] SORT_1 var_33_arg_0 = var_32; [L165] SORT_1 var_33_arg_1 = var_12; [L166] EXPR var_33_arg_0 & var_33_arg_1 [L166] SORT_1 var_33 = var_33_arg_0 & var_33_arg_1; [L167] SORT_1 var_35_arg_0 = var_34; [L168] SORT_1 var_35 = ~var_35_arg_0; [L169] SORT_1 var_36_arg_0 = var_15; [L170] SORT_1 var_36_arg_1 = var_35; [L171] EXPR var_36_arg_0 | var_36_arg_1 [L171] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L172] SORT_1 var_37_arg_0 = var_33; [L173] SORT_1 var_37_arg_1 = var_36; [L174] EXPR var_37_arg_0 & var_37_arg_1 [L174] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L175] SORT_1 var_40_arg_0 = var_39; [L176] SORT_1 var_40 = ~var_40_arg_0; [L177] SORT_1 var_41_arg_0 = var_38; [L178] SORT_1 var_41_arg_1 = var_40; [L179] EXPR var_41_arg_0 | var_41_arg_1 [L179] SORT_1 var_41 = var_41_arg_0 | var_41_arg_1; [L180] SORT_1 var_42_arg_0 = var_37; [L181] SORT_1 var_42_arg_1 = var_41; [L182] EXPR var_42_arg_0 & var_42_arg_1 [L182] SORT_1 var_42 = var_42_arg_0 & var_42_arg_1; [L183] SORT_1 var_99_arg_0 = var_98; [L184] SORT_1 var_99_arg_1 = var_42; [L185] EXPR var_99_arg_0 | var_99_arg_1 [L185] SORT_1 var_99 = var_99_arg_0 | var_99_arg_1; [L186] SORT_1 var_100_arg_0 = var_95; [L187] SORT_1 var_100_arg_1 = var_99; [L188] EXPR var_100_arg_0 & var_100_arg_1 [L188] SORT_1 var_100 = var_100_arg_0 & var_100_arg_1; [L189] SORT_1 var_101_arg_0 = var_34; [L190] SORT_1 var_101 = ~var_101_arg_0; [L191] SORT_1 var_102_arg_0 = var_50; [L192] SORT_1 var_102_arg_1 = var_101; [L193] EXPR var_102_arg_0 | var_102_arg_1 [L193] SORT_1 var_102 = var_102_arg_0 | var_102_arg_1; [L194] SORT_1 var_44_arg_0 = var_30; [L195] SORT_1 var_44_arg_1 = var_34; [L196] EXPR var_44_arg_0 & var_44_arg_1 [L196] SORT_1 var_44 = var_44_arg_0 & var_44_arg_1; [L197] SORT_1 var_45_arg_0 = var_44; [L198] SORT_1 var_45_arg_1 = var_18; [L199] EXPR var_45_arg_0 & var_45_arg_1 [L199] SORT_1 var_45 = var_45_arg_0 & var_45_arg_1; [L200] SORT_1 var_46_arg_0 = var_15; [L201] SORT_1 var_46 = ~var_46_arg_0; [L202] SORT_1 var_47_arg_0 = var_31; [L203] SORT_1 var_47 = ~var_47_arg_0; [L204] SORT_1 var_48_arg_0 = var_46; [L205] SORT_1 var_48_arg_1 = var_47; [L206] EXPR var_48_arg_0 | var_48_arg_1 [L206] SORT_1 var_48 = var_48_arg_0 | var_48_arg_1; [L207] SORT_1 var_49_arg_0 = var_45; [L208] SORT_1 var_49_arg_1 = var_48; [L209] EXPR var_49_arg_0 & var_49_arg_1 [L209] SORT_1 var_49 = var_49_arg_0 & var_49_arg_1; [L210] SORT_1 var_51_arg_0 = var_39; [L211] SORT_1 var_51 = ~var_51_arg_0; [L212] SORT_1 var_52_arg_0 = var_50; [L213] SORT_1 var_52_arg_1 = var_51; [L214] EXPR var_52_arg_0 | var_52_arg_1 [L214] SORT_1 var_52 = var_52_arg_0 | var_52_arg_1; [L215] SORT_1 var_53_arg_0 = var_49; [L216] SORT_1 var_53_arg_1 = var_52; [L217] EXPR var_53_arg_0 & var_53_arg_1 [L217] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L218] SORT_1 var_103_arg_0 = var_102; [L219] SORT_1 var_103_arg_1 = var_53; [L220] EXPR var_103_arg_0 | var_103_arg_1 [L220] SORT_1 var_103 = var_103_arg_0 | var_103_arg_1; [L221] SORT_1 var_104_arg_0 = var_100; [L222] SORT_1 var_104_arg_1 = var_103; [L223] EXPR var_104_arg_0 & var_104_arg_1 [L223] SORT_1 var_104 = var_104_arg_0 & var_104_arg_1; [L224] SORT_1 var_105_arg_0 = var_64; [L225] SORT_1 var_105 = ~var_105_arg_0; [L226] SORT_1 var_106_arg_0 = var_104; [L227] SORT_1 var_106_arg_1 = var_105; [L228] EXPR var_106_arg_0 & var_106_arg_1 [L228] SORT_1 var_106 = var_106_arg_0 & var_106_arg_1; [L229] SORT_1 var_174_arg_0 = var_106; [L230] EXPR var_174_arg_0 & mask_SORT_1 [L230] var_174_arg_0 = var_174_arg_0 & mask_SORT_1 [L231] SORT_3 var_174 = var_174_arg_0; [L232] SORT_3 var_175_arg_0 = var_173; [L233] SORT_3 var_175_arg_1 = var_174; [L234] EXPR var_175_arg_0 | var_175_arg_1 [L234] SORT_3 var_175 = var_175_arg_0 | var_175_arg_1; [L235] SORT_3 var_176_arg_0 = var_175; [L236] SORT_3 var_176 = ~var_176_arg_0; [L237] SORT_3 var_177_arg_0 = var_172; [L238] SORT_3 var_177_arg_1 = var_176; [L239] EXPR var_177_arg_0 & var_177_arg_1 [L239] SORT_3 var_177 = var_177_arg_0 & var_177_arg_1; [L240] SORT_1 var_133_arg_0 = var_56; [L241] SORT_1 var_133 = ~var_133_arg_0; [L242] SORT_3 var_115_arg_0 = input_7; [L243] SORT_1 var_115 = var_115_arg_0 >> 1; [L244] SORT_1 var_134_arg_0 = var_133; [L245] SORT_1 var_134_arg_1 = var_115; [L246] EXPR var_134_arg_0 & var_134_arg_1 [L246] SORT_1 var_134 = var_134_arg_0 & var_134_arg_1; [L247] SORT_1 var_128_arg_0 = var_56; [L248] SORT_1 var_128 = ~var_128_arg_0; [L249] SORT_1 var_129_arg_0 = var_128; [L250] SORT_1 var_129_arg_1 = var_18; [L251] EXPR var_129_arg_0 & var_129_arg_1 [L251] SORT_1 var_129 = var_129_arg_0 & var_129_arg_1; [L252] SORT_1 var_130_arg_0 = var_129; [L253] SORT_1 var_130_arg_1 = var_12; [L254] EXPR var_130_arg_0 & var_130_arg_1 [L254] SORT_1 var_130 = var_130_arg_0 & var_130_arg_1; [L255] SORT_3 var_109_arg_0 = input_7; [L256] SORT_1 var_109 = var_109_arg_0 >> 0; [L257] SORT_1 var_131_arg_0 = var_130; [L258] SORT_1 var_131_arg_1 = var_109; [L259] EXPR var_131_arg_0 & var_131_arg_1 [L259] SORT_1 var_131 = var_131_arg_0 & var_131_arg_1; [L260] EXPR var_131 & mask_SORT_1 [L260] var_131 = var_131 & mask_SORT_1 [L261] SORT_1 var_112_arg_0 = var_12; [L262] SORT_1 var_112 = ~var_112_arg_0; [L263] SORT_1 var_113_arg_0 = var_109; [L264] SORT_1 var_113 = ~var_113_arg_0; [L265] SORT_1 var_114_arg_0 = var_112; [L266] SORT_1 var_114_arg_1 = var_113; [L267] EXPR var_114_arg_0 & var_114_arg_1 [L267] SORT_1 var_114 = var_114_arg_0 & var_114_arg_1; [L268] SORT_1 var_116_arg_0 = var_114; [L269] SORT_1 var_116_arg_1 = var_115; [L270] EXPR var_116_arg_0 & var_116_arg_1 [L270] SORT_1 var_116 = var_116_arg_0 & var_116_arg_1; [L271] SORT_1 var_135_arg_0 = var_131; [L272] SORT_1 var_135_arg_1 = var_116; [L273] EXPR var_135_arg_0 | var_135_arg_1 [L273] SORT_1 var_135 = var_135_arg_0 | var_135_arg_1; [L274] SORT_1 var_122_arg_0 = var_18; [L275] SORT_1 var_122 = ~var_122_arg_0; [L276] SORT_1 var_123_arg_0 = var_122; [L277] SORT_1 var_123_arg_1 = var_115; [L278] EXPR var_123_arg_0 & var_123_arg_1 [L278] SORT_1 var_123 = var_123_arg_0 & var_123_arg_1; [L279] SORT_1 var_118_arg_0 = var_18; [L280] SORT_1 var_118 = ~var_118_arg_0; [L281] SORT_1 var_119_arg_0 = var_118; [L282] SORT_1 var_119_arg_1 = var_12; [L283] EXPR var_119_arg_0 & var_119_arg_1 [L283] SORT_1 var_119 = var_119_arg_0 & var_119_arg_1; [L284] SORT_1 var_120_arg_0 = var_119; [L285] SORT_1 var_120_arg_1 = var_109; [L286] EXPR var_120_arg_0 & var_120_arg_1 [L286] SORT_1 var_120 = var_120_arg_0 & var_120_arg_1; [L287] EXPR var_120 & mask_SORT_1 [L287] var_120 = var_120 & mask_SORT_1 [L288] SORT_1 var_124_arg_0 = var_116; [L289] SORT_1 var_124_arg_1 = var_120; [L290] EXPR var_124_arg_0 | var_124_arg_1 [L290] SORT_1 var_124 = var_124_arg_0 | var_124_arg_1; [L291] SORT_1 var_125_arg_0 = var_124; [L292] SORT_1 var_125 = ~var_125_arg_0; [L293] SORT_1 var_126_arg_0 = var_123; [L294] SORT_1 var_126_arg_1 = var_125; [L295] EXPR var_126_arg_0 & var_126_arg_1 [L295] SORT_1 var_126 = var_126_arg_0 & var_126_arg_1; [L296] SORT_1 var_136_arg_0 = var_135; [L297] SORT_1 var_136_arg_1 = var_126; [L298] EXPR var_136_arg_0 | var_136_arg_1 [L298] SORT_1 var_136 = var_136_arg_0 | var_136_arg_1; [L299] SORT_1 var_137_arg_0 = var_136; [L300] SORT_1 var_137 = ~var_137_arg_0; [L301] SORT_1 var_138_arg_0 = var_134; [L302] SORT_1 var_138_arg_1 = var_137; [L303] EXPR var_138_arg_0 & var_138_arg_1 [L303] SORT_1 var_138 = var_138_arg_0 & var_138_arg_1; [L304] SORT_1 var_178_arg_0 = var_138; [L305] SORT_1 var_178_arg_1 = var_131; [L306] EXPR ((SORT_3)var_178_arg_0 << 1) | var_178_arg_1 [L306] SORT_3 var_178 = ((SORT_3)var_178_arg_0 << 1) | var_178_arg_1; [L307] SORT_3 var_179_arg_0 = var_177; [L308] SORT_3 var_179_arg_1 = var_178; [L309] EXPR var_179_arg_0 | var_179_arg_1 [L309] SORT_3 var_179 = var_179_arg_0 | var_179_arg_1; [L310] SORT_3 var_180_arg_0 = var_171; [L311] SORT_3 var_180_arg_1 = var_179; [L312] EXPR var_180_arg_0 & var_180_arg_1 [L312] SORT_3 var_180 = var_180_arg_0 & var_180_arg_1; [L313] SORT_3 var_189_arg_0 = var_180; [L314] SORT_1 var_189 = var_189_arg_0 >> 0; [L315] SORT_5 var_155_arg_0 = input_6; [L316] SORT_1 var_155 = var_155_arg_0 >> 1; [L317] EXPR var_155 & mask_SORT_1 [L317] var_155 = var_155 & mask_SORT_1 [L318] SORT_1 var_156_arg_0 = var_140; [L319] SORT_1 var_156_arg_1 = var_155; [L320] EXPR ((SORT_3)var_156_arg_0 << 1) | var_156_arg_1 [L320] SORT_3 var_156 = ((SORT_3)var_156_arg_0 << 1) | var_156_arg_1; [L321] SORT_3 var_157_arg_0 = var_156; [L322] SORT_3 var_157 = ~var_157_arg_0; [L323] SORT_1 var_158_arg_0 = var_18; [L324] EXPR var_158_arg_0 & mask_SORT_1 [L324] var_158_arg_0 = var_158_arg_0 & mask_SORT_1 [L325] SORT_3 var_158 = var_158_arg_0; [L326] SORT_1 var_159_arg_0 = var_53; [L327] EXPR var_159_arg_0 & mask_SORT_1 [L327] var_159_arg_0 = var_159_arg_0 & mask_SORT_1 [L328] SORT_3 var_159 = var_159_arg_0; [L329] SORT_1 var_80_arg_0 = var_66; [L330] SORT_1 var_80_arg_1 = var_34; [L331] EXPR var_80_arg_0 & var_80_arg_1 [L331] SORT_1 var_80 = var_80_arg_0 & var_80_arg_1; [L332] SORT_1 var_81_arg_0 = var_80; [L333] SORT_1 var_81_arg_1 = var_18; [L334] EXPR var_81_arg_0 & var_81_arg_1 [L334] SORT_1 var_81 = var_81_arg_0 & var_81_arg_1; [L335] SORT_1 var_82_arg_0 = var_15; [L336] SORT_1 var_82 = ~var_82_arg_0; [L337] SORT_1 var_83_arg_0 = var_31; [L338] SORT_1 var_83 = ~var_83_arg_0; [L339] SORT_1 var_84_arg_0 = var_82; [L340] SORT_1 var_84_arg_1 = var_83; [L341] EXPR var_84_arg_0 | var_84_arg_1 [L341] SORT_1 var_84 = var_84_arg_0 | var_84_arg_1; [L342] SORT_1 var_85_arg_0 = var_84; [L343] SORT_1 var_85_arg_1 = var_42; [L344] EXPR var_85_arg_0 | var_85_arg_1 [L344] SORT_1 var_85 = var_85_arg_0 | var_85_arg_1; [L345] SORT_1 var_86_arg_0 = var_81; [L346] SORT_1 var_86_arg_1 = var_85; [L347] EXPR var_86_arg_0 & var_86_arg_1 [L347] SORT_1 var_86 = var_86_arg_0 & var_86_arg_1; [L348] SORT_1 var_87_arg_0 = var_39; [L349] SORT_1 var_87 = ~var_87_arg_0; [L350] SORT_1 var_88_arg_0 = var_50; [L351] SORT_1 var_88_arg_1 = var_87; [L352] EXPR var_88_arg_0 | var_88_arg_1 [L352] SORT_1 var_88 = var_88_arg_0 | var_88_arg_1; [L353] SORT_1 var_89_arg_0 = var_88; [L354] SORT_1 var_89_arg_1 = var_64; [L355] EXPR var_89_arg_0 | var_89_arg_1 [L355] SORT_1 var_89 = var_89_arg_0 | var_89_arg_1; [L356] SORT_1 var_90_arg_0 = var_86; [L357] SORT_1 var_90_arg_1 = var_89; [L358] EXPR var_90_arg_0 & var_90_arg_1 [L358] SORT_1 var_90 = var_90_arg_0 & var_90_arg_1; [L359] SORT_1 var_91_arg_0 = var_53; [L360] SORT_1 var_91 = ~var_91_arg_0; [L361] SORT_1 var_92_arg_0 = var_90; [L362] SORT_1 var_92_arg_1 = var_91; [L363] EXPR var_92_arg_0 & var_92_arg_1 [L363] SORT_1 var_92 = var_92_arg_0 & var_92_arg_1; [L364] SORT_1 var_160_arg_0 = var_92; [L365] EXPR var_160_arg_0 & mask_SORT_1 [L365] var_160_arg_0 = var_160_arg_0 & mask_SORT_1 [L366] SORT_3 var_160 = var_160_arg_0; [L367] SORT_3 var_161_arg_0 = var_159; [L368] SORT_3 var_161_arg_1 = var_160; [L369] EXPR var_161_arg_0 | var_161_arg_1 [L369] SORT_3 var_161 = var_161_arg_0 | var_161_arg_1; [L370] SORT_3 var_162_arg_0 = var_161; [L371] SORT_3 var_162 = ~var_162_arg_0; [L372] SORT_3 var_163_arg_0 = var_158; [L373] SORT_3 var_163_arg_1 = var_162; [L374] EXPR var_163_arg_0 & var_163_arg_1 [L374] SORT_3 var_163 = var_163_arg_0 & var_163_arg_1; [L375] SORT_1 var_164_arg_0 = var_126; [L376] SORT_1 var_164_arg_1 = var_120; [L377] EXPR ((SORT_3)var_164_arg_0 << 1) | var_164_arg_1 [L377] SORT_3 var_164 = ((SORT_3)var_164_arg_0 << 1) | var_164_arg_1; [L378] SORT_3 var_165_arg_0 = var_163; [L379] SORT_3 var_165_arg_1 = var_164; [L380] EXPR var_165_arg_0 | var_165_arg_1 [L380] SORT_3 var_165 = var_165_arg_0 | var_165_arg_1; [L381] SORT_3 var_166_arg_0 = var_157; [L382] SORT_3 var_166_arg_1 = var_165; [L383] EXPR var_166_arg_0 & var_166_arg_1 [L383] SORT_3 var_166 = var_166_arg_0 & var_166_arg_1; [L384] SORT_3 var_187_arg_0 = var_166; [L385] SORT_1 var_187 = var_187_arg_0 >> 0; [L386] SORT_5 var_141_arg_0 = input_6; [L387] SORT_1 var_141 = var_141_arg_0 >> 0; [L388] EXPR var_141 & mask_SORT_1 [L388] var_141 = var_141 & mask_SORT_1 [L389] SORT_1 var_142_arg_0 = var_140; [L390] SORT_1 var_142_arg_1 = var_141; [L391] EXPR ((SORT_3)var_142_arg_0 << 1) | var_142_arg_1 [L391] SORT_3 var_142 = ((SORT_3)var_142_arg_0 << 1) | var_142_arg_1; [L392] SORT_3 var_143_arg_0 = var_142; [L393] SORT_3 var_143 = ~var_143_arg_0; [L394] SORT_1 var_144_arg_0 = var_12; [L395] EXPR var_144_arg_0 & mask_SORT_1 [L395] var_144_arg_0 = var_144_arg_0 & mask_SORT_1 [L396] SORT_3 var_144 = var_144_arg_0; [L397] SORT_1 var_145_arg_0 = var_42; [L398] EXPR var_145_arg_0 & mask_SORT_1 [L398] var_145_arg_0 = var_145_arg_0 & mask_SORT_1 [L399] SORT_3 var_145 = var_145_arg_0; [L400] SORT_1 var_67_arg_0 = var_66; [L401] SORT_1 var_67_arg_1 = var_31; [L402] EXPR var_67_arg_0 & var_67_arg_1 [L402] SORT_1 var_67 = var_67_arg_0 & var_67_arg_1; [L403] SORT_1 var_68_arg_0 = var_67; [L404] SORT_1 var_68_arg_1 = var_12; [L405] EXPR var_68_arg_0 & var_68_arg_1 [L405] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L406] SORT_1 var_69_arg_0 = var_34; [L407] SORT_1 var_69 = ~var_69_arg_0; [L408] SORT_1 var_70_arg_0 = var_15; [L409] SORT_1 var_70_arg_1 = var_69; [L410] EXPR var_70_arg_0 | var_70_arg_1 [L410] SORT_1 var_70 = var_70_arg_0 | var_70_arg_1; [L411] SORT_1 var_71_arg_0 = var_70; [L412] SORT_1 var_71_arg_1 = var_53; [L413] EXPR var_71_arg_0 | var_71_arg_1 [L413] SORT_1 var_71 = var_71_arg_0 | var_71_arg_1; [L414] SORT_1 var_72_arg_0 = var_68; [L415] SORT_1 var_72_arg_1 = var_71; [L416] EXPR var_72_arg_0 & var_72_arg_1 [L416] SORT_1 var_72 = var_72_arg_0 & var_72_arg_1; [L417] SORT_1 var_73_arg_0 = var_39; [L418] SORT_1 var_73 = ~var_73_arg_0; [L419] SORT_1 var_74_arg_0 = var_38; [L420] SORT_1 var_74_arg_1 = var_73; [L421] EXPR var_74_arg_0 | var_74_arg_1 [L421] SORT_1 var_74 = var_74_arg_0 | var_74_arg_1; [L422] SORT_1 var_75_arg_0 = var_74; [L423] SORT_1 var_75_arg_1 = var_64; [L424] EXPR var_75_arg_0 | var_75_arg_1 [L424] SORT_1 var_75 = var_75_arg_0 | var_75_arg_1; [L425] SORT_1 var_76_arg_0 = var_72; [L426] SORT_1 var_76_arg_1 = var_75; [L427] EXPR var_76_arg_0 & var_76_arg_1 [L427] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L428] SORT_1 var_77_arg_0 = var_42; [L429] SORT_1 var_77 = ~var_77_arg_0; [L430] SORT_1 var_78_arg_0 = var_76; [L431] SORT_1 var_78_arg_1 = var_77; [L432] EXPR var_78_arg_0 & var_78_arg_1 [L432] SORT_1 var_78 = var_78_arg_0 & var_78_arg_1; [L433] SORT_1 var_146_arg_0 = var_78; [L434] EXPR var_146_arg_0 & mask_SORT_1 [L434] var_146_arg_0 = var_146_arg_0 & mask_SORT_1 [L435] SORT_3 var_146 = var_146_arg_0; [L436] SORT_3 var_147_arg_0 = var_145; [L437] SORT_3 var_147_arg_1 = var_146; [L438] EXPR var_147_arg_0 | var_147_arg_1 [L438] SORT_3 var_147 = var_147_arg_0 | var_147_arg_1; [L439] SORT_3 var_148_arg_0 = var_147; [L440] SORT_3 var_148 = ~var_148_arg_0; [L441] SORT_3 var_149_arg_0 = var_144; [L442] SORT_3 var_149_arg_1 = var_148; [L443] EXPR var_149_arg_0 & var_149_arg_1 [L443] SORT_3 var_149 = var_149_arg_0 & var_149_arg_1; [L444] SORT_1 var_108_arg_0 = var_12; [L445] SORT_1 var_108 = ~var_108_arg_0; [L446] SORT_1 var_110_arg_0 = var_108; [L447] SORT_1 var_110_arg_1 = var_109; [L448] EXPR var_110_arg_0 & var_110_arg_1 [L448] SORT_1 var_110 = var_110_arg_0 & var_110_arg_1; [L449] EXPR var_110 & mask_SORT_1 [L449] var_110 = var_110 & mask_SORT_1 [L450] SORT_1 var_150_arg_0 = var_116; [L451] SORT_1 var_150_arg_1 = var_110; [L452] EXPR ((SORT_3)var_150_arg_0 << 1) | var_150_arg_1 [L452] SORT_3 var_150 = ((SORT_3)var_150_arg_0 << 1) | var_150_arg_1; [L453] SORT_3 var_151_arg_0 = var_149; [L454] SORT_3 var_151_arg_1 = var_150; [L455] EXPR var_151_arg_0 | var_151_arg_1 [L455] SORT_3 var_151 = var_151_arg_0 | var_151_arg_1; [L456] SORT_3 var_152_arg_0 = var_143; [L457] SORT_3 var_152_arg_1 = var_151; [L458] EXPR var_152_arg_0 & var_152_arg_1 [L458] SORT_3 var_152 = var_152_arg_0 & var_152_arg_1; [L459] SORT_3 var_186_arg_0 = var_152; [L460] SORT_1 var_186 = var_186_arg_0 >> 0; [L461] EXPR var_186 & mask_SORT_1 [L461] var_186 = var_186 & mask_SORT_1 [L462] SORT_1 var_188_arg_0 = var_187; [L463] SORT_1 var_188_arg_1 = var_186; [L464] EXPR ((SORT_3)var_188_arg_0 << 1) | var_188_arg_1 [L464] SORT_3 var_188 = ((SORT_3)var_188_arg_0 << 1) | var_188_arg_1; [L465] EXPR var_188 & mask_SORT_3 [L465] var_188 = var_188 & mask_SORT_3 [L466] SORT_1 var_190_arg_0 = var_189; [L467] SORT_3 var_190_arg_1 = var_188; [L468] EXPR ((SORT_5)var_190_arg_0 << 2) | var_190_arg_1 [L468] SORT_5 var_190 = ((SORT_5)var_190_arg_0 << 2) | var_190_arg_1; [L469] SORT_5 next_191_arg_1 = var_190; [L470] SORT_3 var_167_arg_0 = var_166; [L471] SORT_1 var_167 = var_167_arg_0 >> 0; [L472] SORT_3 var_181_arg_0 = var_180; [L473] SORT_1 var_181 = var_181_arg_0 >> 0; [L474] SORT_1 var_202_arg_0 = var_181; [L475] SORT_1 var_202 = ~var_202_arg_0; [L476] SORT_1 var_203_arg_0 = var_202; [L477] SORT_1 var_203_arg_1 = var_50; [L478] EXPR var_203_arg_0 | var_203_arg_1 [L478] SORT_1 var_203 = var_203_arg_0 | var_203_arg_1; [L479] SORT_1 var_204_arg_0 = var_181; [L480] SORT_1 var_204 = ~var_204_arg_0; [L481] SORT_1 var_205_arg_0 = var_203; [L482] SORT_1 var_205_arg_1 = var_204; [L483] EXPR var_205_arg_0 | var_205_arg_1 [L483] SORT_1 var_205 = var_205_arg_0 | var_205_arg_1; [L484] SORT_1 var_206_arg_0 = var_167; [L485] SORT_1 var_206_arg_1 = var_205; [L486] EXPR var_206_arg_0 & var_206_arg_1 [L486] SORT_1 var_206 = var_206_arg_0 & var_206_arg_1; [L487] SORT_3 var_153_arg_0 = var_152; [L488] SORT_1 var_153 = var_153_arg_0 >> 0; [L489] SORT_1 var_197_arg_0 = var_181; [L490] SORT_1 var_197 = ~var_197_arg_0; [L491] SORT_1 var_198_arg_0 = var_197; [L492] SORT_1 var_198_arg_1 = var_38; [L493] EXPR var_198_arg_0 | var_198_arg_1 [L493] SORT_1 var_198 = var_198_arg_0 | var_198_arg_1; [L494] SORT_1 var_199_arg_0 = var_181; [L495] SORT_1 var_199 = ~var_199_arg_0; [L496] SORT_1 var_200_arg_0 = var_198; [L497] SORT_1 var_200_arg_1 = var_199; [L498] EXPR var_200_arg_0 | var_200_arg_1 [L498] SORT_1 var_200 = var_200_arg_0 | var_200_arg_1; [L499] SORT_1 var_201_arg_0 = var_153; [L500] SORT_1 var_201_arg_1 = var_200; [L501] EXPR var_201_arg_0 & var_201_arg_1 [L501] SORT_1 var_201 = var_201_arg_0 & var_201_arg_1; [L502] SORT_1 var_192_arg_0 = var_167; [L503] SORT_1 var_192 = ~var_192_arg_0; [L504] SORT_1 var_193_arg_0 = var_192; [L505] SORT_1 var_193_arg_1 = var_15; [L506] EXPR var_193_arg_0 | var_193_arg_1 [L506] SORT_1 var_193 = var_193_arg_0 | var_193_arg_1; [L507] SORT_1 var_194_arg_0 = var_167; [L508] SORT_1 var_194 = ~var_194_arg_0; [L509] SORT_1 var_195_arg_0 = var_193; [L510] SORT_1 var_195_arg_1 = var_194; [L511] EXPR var_195_arg_0 | var_195_arg_1 [L511] SORT_1 var_195 = var_195_arg_0 | var_195_arg_1; [L512] SORT_1 var_196_arg_0 = var_153; [L513] SORT_1 var_196_arg_1 = var_195; [L514] EXPR var_196_arg_0 & var_196_arg_1 [L514] SORT_1 var_196 = var_196_arg_0 & var_196_arg_1; [L515] EXPR var_196 & mask_SORT_1 [L515] var_196 = var_196 & mask_SORT_1 [L516] SORT_1 var_207_arg_0 = var_201; [L517] SORT_1 var_207_arg_1 = var_196; [L518] EXPR ((SORT_3)var_207_arg_0 << 1) | var_207_arg_1 [L518] SORT_3 var_207 = ((SORT_3)var_207_arg_0 << 1) | var_207_arg_1; [L519] EXPR var_207 & mask_SORT_3 [L519] var_207 = var_207 & mask_SORT_3 [L520] SORT_1 var_208_arg_0 = var_206; [L521] SORT_3 var_208_arg_1 = var_207; [L522] EXPR ((SORT_5)var_208_arg_0 << 2) | var_208_arg_1 [L522] SORT_5 var_208 = ((SORT_5)var_208_arg_0 << 2) | var_208_arg_1; [L523] SORT_5 next_209_arg_1 = var_208; [L525] state_10 = next_191_arg_1 [L526] state_13 = next_209_arg_1 VAL [bad_29_arg_0=0, init_11_arg_1=0, init_14_arg_1=0, input_4=0, input_6=2, input_7=254, input_8=1, mask_SORT_1=1, mask_SORT_3=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_3=2, msb_SORT_5=4, next_191_arg_1=170, next_209_arg_1=0, state_10=170, state_13=0, var_100=0, var_100_arg_0=0, var_100_arg_1=255, var_101=255, var_101_arg_0=0, var_102=255, var_102_arg_0=0, var_102_arg_1=255, var_103=255, var_103_arg_0=255, var_103_arg_1=0, var_104=0, var_104_arg_0=0, var_104_arg_1=255, var_105=255, var_105_arg_0=0, var_106=0, var_106_arg_0=0, var_106_arg_1=255, var_108=255, var_108_arg_0=0, var_109=254, var_109_arg_0=254, var_110=0, var_110_arg_0=255, var_110_arg_1=254, var_112=255, var_112_arg_0=0, var_113=1, var_113_arg_0=254, var_114=0, var_114_arg_0=255, var_114_arg_1=1, var_115=127, var_115_arg_0=254, var_116=0, var_116_arg_0=0, var_116_arg_1=127, var_118=255, var_118_arg_0=0, var_119=0, var_119_arg_0=255, var_119_arg_1=0, var_120=0, var_120_arg_0=0, var_120_arg_1=254, var_122=255, var_122_arg_0=0, var_123=127, var_123_arg_0=255, var_123_arg_1=127, var_124=0, var_124_arg_0=0, var_124_arg_1=0, var_125=255, var_125_arg_0=0, var_126=127, var_126_arg_0=127, var_126_arg_1=255, var_128=255, var_128_arg_0=0, var_129=0, var_129_arg_0=255, var_129_arg_1=0, var_12=0, var_12_arg_0=0, var_130=0, var_130_arg_0=0, var_130_arg_1=0, var_131=0, var_131_arg_0=0, var_131_arg_1=254, var_133=255, var_133_arg_0=0, var_134=54, var_134_arg_0=255, var_134_arg_1=127, var_135=0, var_135_arg_0=0, var_135_arg_1=0, var_136=127, var_136_arg_0=0, var_136_arg_1=127, var_137=128, var_137_arg_0=127, var_138=54, var_138_arg_0=54, var_138_arg_1=128, var_140=0, var_141=1, var_141_arg_0=2, var_142=1, var_142_arg_0=0, var_142_arg_1=1, var_143=254, var_143_arg_0=1, var_144=0, var_144_arg_0=0, var_145=0, var_145_arg_0=0, var_146=0, var_146_arg_0=0, var_147=0, var_147_arg_0=0, var_147_arg_1=0, var_148=255, var_148_arg_0=0, var_149=0, var_149_arg_0=0, var_149_arg_1=255, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_151=0, var_151_arg_0=0, var_151_arg_1=0, var_152=0, var_152_arg_0=254, var_152_arg_1=0, var_153=0, var_153_arg_0=0, var_155=1, var_155_arg_0=2, var_156=1, var_156_arg_0=0, var_156_arg_1=1, var_157=254, var_157_arg_0=1, var_158=0, var_158_arg_0=0, var_159=0, var_159_arg_0=0, var_15=0, var_15_arg_0=0, var_160=0, var_160_arg_0=0, var_161=0, var_161_arg_0=0, var_161_arg_1=0, var_162=255, var_162_arg_0=0, var_163=0, var_163_arg_0=0, var_163_arg_1=255, var_164=254, var_164_arg_0=127, var_164_arg_1=0, var_165=254, var_165_arg_0=0, var_165_arg_1=254, var_166=254, var_166_arg_0=254, var_166_arg_1=254, var_167=254, var_167_arg_0=254, var_169=0, var_169_arg_0=2, var_16=255, var_16_arg_0=0, var_170=0, var_170_arg_0=0, var_170_arg_1=0, var_171=255, var_171_arg_0=0, var_172=0, var_172_arg_0=0, var_173=0, var_173_arg_0=0, var_174=0, var_174_arg_0=0, var_175=0, var_175_arg_0=0, var_175_arg_1=0, var_176=255, var_176_arg_0=0, var_177=0, var_177_arg_0=0, var_177_arg_1=255, var_178=108, var_178_arg_0=54, var_178_arg_1=0, var_179=108, var_179_arg_0=0, var_179_arg_1=108, var_17=255, var_17_arg_0=0, var_17_arg_1=255, var_180=106, var_180_arg_0=255, var_180_arg_1=108, var_181=106, var_181_arg_0=106, var_186=0, var_186_arg_0=0, var_187=254, var_187_arg_0=254, var_188=2, var_188_arg_0=254, var_188_arg_1=0, var_189=106, var_189_arg_0=106, var_18=0, var_18_arg_0=0, var_190=170, var_190_arg_0=106, var_190_arg_1=2, var_192=1, var_192_arg_0=254, var_193=1, var_193_arg_0=1, var_193_arg_1=0, var_194=1, var_194_arg_0=254, var_195=1, var_195_arg_0=1, var_195_arg_1=1, var_196=0, var_196_arg_0=0, var_196_arg_1=1, var_197=149, var_197_arg_0=106, var_198=149, var_198_arg_0=149, var_198_arg_1=0, var_199=149, var_199_arg_0=106, var_19=255, var_19_arg_0=0, var_200=149, var_200_arg_0=149, var_200_arg_1=149, var_201=0, var_201_arg_0=0, var_201_arg_1=149, var_202=149, var_202_arg_0=106, var_203=149, var_203_arg_0=149, var_203_arg_1=0, var_204=149, var_204_arg_0=106, var_205=149, var_205_arg_0=149, var_205_arg_1=149, var_206=0, var_206_arg_0=254, var_206_arg_1=149, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=0, var_208_arg_0=0, var_208_arg_1=0, var_20=0, var_20_arg_0=0, var_20_arg_1=255, var_21=255, var_21_arg_0=0, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_23=255, var_23_arg_0=255, var_23_arg_1=255, var_26=1, var_27=0, var_27_arg_0=255, var_28=0, var_28_arg_0=1, var_28_arg_1=0, var_30=0, var_30_arg_0=0, var_31=1, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_32_arg_1=1, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_34=0, var_34_arg_0=1, var_35=255, var_35_arg_0=0, var_36=255, var_36_arg_0=0, var_36_arg_1=255, var_37=0, var_37_arg_0=0, var_37_arg_1=255, var_38=0, var_38_arg_0=0, var_39=0, var_39_arg_0=1, var_40=255, var_40_arg_0=0, var_41=255, var_41_arg_0=0, var_41_arg_1=255, var_42=0, var_42_arg_0=0, var_42_arg_1=255, var_44=0, var_44_arg_0=0, var_44_arg_1=0, var_45=0, var_45_arg_0=0, var_45_arg_1=0, var_46=255, var_46_arg_0=0, var_47=254, var_47_arg_0=1, var_48=255, var_48_arg_0=255, var_48_arg_1=254, var_49=0, var_49_arg_0=0, var_49_arg_1=255, var_50=0, var_50_arg_0=0, var_51=255, var_51_arg_0=0, var_52=255, var_52_arg_0=0, var_52_arg_1=255, var_53=0, var_53_arg_0=0, var_53_arg_1=255, var_55=0, var_55_arg_0=0, var_55_arg_1=0, var_56=0, var_56_arg_0=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=255, var_58_arg_0=0, var_59=254, var_59_arg_0=1, var_60=255, var_60_arg_0=255, var_60_arg_1=254, var_61=0, var_61_arg_0=0, var_61_arg_1=255, var_62=255, var_62_arg_0=0, var_63=255, var_63_arg_0=0, var_63_arg_1=255, var_64=0, var_64_arg_0=0, var_64_arg_1=255, var_66=0, var_66_arg_0=0, var_67=0, var_67_arg_0=0, var_67_arg_1=1, var_68=0, var_68_arg_0=0, var_68_arg_1=0, var_69=255, var_69_arg_0=0, var_70=255, var_70_arg_0=0, var_70_arg_1=255, var_71=255, var_71_arg_0=255, var_71_arg_1=0, var_72=0, var_72_arg_0=0, var_72_arg_1=255, var_73=255, var_73_arg_0=0, var_74=255, var_74_arg_0=0, var_74_arg_1=255, var_75=255, var_75_arg_0=255, var_75_arg_1=0, var_76=0, var_76_arg_0=0, var_76_arg_1=255, var_77=255, var_77_arg_0=0, var_78=0, var_78_arg_0=0, var_78_arg_1=255, var_80=0, var_80_arg_0=0, var_80_arg_1=0, var_81=0, var_81_arg_0=0, var_81_arg_1=0, var_82=255, var_82_arg_0=0, var_83=254, var_83_arg_0=1, var_84=0, var_84_arg_0=255, var_84_arg_1=254, var_85=0, var_85_arg_0=0, var_85_arg_1=0, var_86=0, var_86_arg_0=0, var_86_arg_1=0, var_87=255, var_87_arg_0=0, var_88=255, var_88_arg_0=0, var_88_arg_1=255, var_89=255, var_89_arg_0=255, var_89_arg_1=0, var_90=0, var_90_arg_0=0, var_90_arg_1=255, var_91=255, var_91_arg_0=0, var_92=0, var_92_arg_0=0, var_92_arg_1=255, var_94=0, var_94_arg_0=0, var_94_arg_1=0, var_95=0, var_95_arg_0=0, var_95_arg_1=0, var_96=255, var_96_arg_0=0, var_97=254, var_97_arg_0=1, var_98=255, var_98_arg_0=255, var_98_arg_1=254, var_99=255, var_99_arg_0=255, var_99_arg_1=0, var_9=0] [L54] input_2 = __VERIFIER_nondet_uchar() [L55] input_4 = __VERIFIER_nondet_uchar() [L56] input_6 = __VERIFIER_nondet_uchar() [L57] input_7 = __VERIFIER_nondet_uchar() [L58] input_8 = __VERIFIER_nondet_uchar() [L61] SORT_5 var_12_arg_0 = state_10; [L62] SORT_1 var_12 = var_12_arg_0 >> 0; [L63] SORT_5 var_15_arg_0 = state_13; [L64] SORT_1 var_15 = var_15_arg_0 >> 0; [L65] SORT_1 var_16_arg_0 = var_15; [L66] SORT_1 var_16 = ~var_16_arg_0; [L67] SORT_1 var_17_arg_0 = var_12; [L68] SORT_1 var_17_arg_1 = var_16; [L69] EXPR var_17_arg_0 | var_17_arg_1 [L69] SORT_1 var_17 = var_17_arg_0 | var_17_arg_1; [L70] SORT_5 var_18_arg_0 = state_10; [L71] SORT_1 var_18 = var_18_arg_0 >> 1; [L72] SORT_1 var_19_arg_0 = var_18; [L73] SORT_1 var_19 = ~var_19_arg_0; [L74] SORT_1 var_20_arg_0 = var_12; [L75] SORT_1 var_20_arg_1 = var_19; [L76] EXPR var_20_arg_0 & var_20_arg_1 [L76] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L77] SORT_1 var_21_arg_0 = var_20; [L78] SORT_1 var_21 = ~var_21_arg_0; [L79] SORT_1 var_22_arg_0 = var_21; [L80] SORT_1 var_22_arg_1 = var_15; [L81] EXPR var_22_arg_0 | var_22_arg_1 [L81] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L82] SORT_1 var_23_arg_0 = var_17; [L83] SORT_1 var_23_arg_1 = var_22; [L84] EXPR var_23_arg_0 & var_23_arg_1 [L84] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L85] SORT_1 var_27_arg_0 = var_23; [L86] SORT_1 var_27 = ~var_27_arg_0; [L87] SORT_1 var_28_arg_0 = var_26; [L88] SORT_1 var_28_arg_1 = var_27; [L89] EXPR var_28_arg_0 & var_28_arg_1 [L89] SORT_1 var_28 = var_28_arg_0 & var_28_arg_1; [L90] EXPR var_28 & mask_SORT_1 [L90] var_28 = var_28 & mask_SORT_1 [L91] SORT_1 bad_29_arg_0 = var_28; [L92] CALL __VERIFIER_assert(!(bad_29_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: 31.2s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 12.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 12.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=1, InterpolantAutomatonStates: 5, 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 8.9s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 17:49:28,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/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_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh --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 f5e5c42bbeffae4fb860efffdbf66b7537cb720af3f49bb62a0f81dcf7dbce99 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:49:30,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:49:30,129 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-12-02 17:49:30,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:49:30,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:49:30,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:49:30,162 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:49:30,163 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:49:30,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:49:30,164 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:49:30,165 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:49:30,166 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:49:30,166 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:49:30,167 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:49:30,167 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:49:30,168 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:49:30,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:49:30,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:49:30,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:49:30,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:49:30,171 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:49:30,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:49:30,171 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 17:49:30,172 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 17:49:30,172 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 17:49:30,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:49:30,173 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:49:30,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:49:30,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 17:49:30,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:49:30,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:49:30,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:49:30,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:49:30,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:49:30,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:49:30,176 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 17:49:30,176 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 17:49:30,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:49:30,176 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:49:30,177 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:49:30,177 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:49:30,177 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_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5e5c42bbeffae4fb860efffdbf66b7537cb720af3f49bb62a0f81dcf7dbce99 [2023-12-02 17:49:30,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:49:30,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:49:30,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:49:30,575 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:49:30,576 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:49:30,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2023-12-02 17:49:33,392 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:49:33,639 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:49:33,640 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2023-12-02 17:49:33,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/data/205b4cd4c/908d71bcb5084313adb7b47d595386b7/FLAG620ba4cf6 [2023-12-02 17:49:33,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/data/205b4cd4c/908d71bcb5084313adb7b47d595386b7 [2023-12-02 17:49:33,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:49:33,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:49:33,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:49:33,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:49:33,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:49:33,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:49:33" (1/1) ... [2023-12-02 17:49:33,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22789535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:33, skipping insertion in model container [2023-12-02 17:49:33,680 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:49:33" (1/1) ... [2023-12-02 17:49:33,729 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:49:33,885 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_77316496-12dd-4288-be52-88ca456f86ea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1246,1259] [2023-12-02 17:49:34,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:49:34,090 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:49:34,105 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_77316496-12dd-4288-be52-88ca456f86ea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1246,1259] [2023-12-02 17:49:34,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:49:34,196 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:49:34,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:34 WrapperNode [2023-12-02 17:49:34,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:49:34,198 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:49:34,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:49:34,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:49:34,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:34" (1/1) ... [2023-12-02 17:49:34,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:34" (1/1) ... [2023-12-02 17:49:34,279 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 524 [2023-12-02 17:49:34,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:49:34,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:49:34,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:49:34,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:49:34,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:34" (1/1) ... [2023-12-02 17:49:34,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:34" (1/1) ... [2023-12-02 17:49:34,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:34" (1/1) ... [2023-12-02 17:49:34,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:34" (1/1) ... [2023-12-02 17:49:34,322 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:34" (1/1) ... [2023-12-02 17:49:34,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:34" (1/1) ... [2023-12-02 17:49:34,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:34" (1/1) ... [2023-12-02 17:49:34,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:34" (1/1) ... [2023-12-02 17:49:34,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:49:34,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:49:34,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:49:34,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:49:34,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:34" (1/1) ... [2023-12-02 17:49:34,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:49:34,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:49:34,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:49:34,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:49:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:49:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 17:49:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:49:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:49:34,598 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:49:34,600 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:49:35,054 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:49:35,089 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:49:35,089 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:49:35,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:35 BoogieIcfgContainer [2023-12-02 17:49:35,090 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:49:35,092 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:49:35,093 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:49:35,096 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:49:35,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:49:33" (1/3) ... [2023-12-02 17:49:35,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566ebf8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:49:35, skipping insertion in model container [2023-12-02 17:49:35,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:34" (2/3) ... [2023-12-02 17:49:35,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566ebf8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:49:35, skipping insertion in model container [2023-12-02 17:49:35,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:35" (3/3) ... [2023-12-02 17:49:35,098 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Ibuf.c [2023-12-02 17:49:35,113 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:49:35,113 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:49:35,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:49:35,164 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;@704a3240, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:49:35,164 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:49:35,168 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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) [2023-12-02 17:49:35,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 17:49:35,173 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:49:35,173 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 17:49:35,174 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:49:35,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:49:35,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-02 17:49:35,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:49:35,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1731877542] [2023-12-02 17:49:35,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:49:35,191 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 [2023-12-02 17:49:35,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:49:35,220 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 17:49:35,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:49:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:49:35,388 WARN L260 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 17:49:35,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:49:35,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:49:35,663 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:49:35,664 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:49:35,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1731877542] [2023-12-02 17:49:35,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1731877542] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:49:35,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:49:35,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 17:49:35,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689656744] [2023-12-02 17:49:35,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:49:35,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 17:49:35,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:49:35,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 17:49:35,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 17:49:35,706 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-12-02 17:49:35,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:49:35,815 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-12-02 17:49:35,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 17:49:35,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2023-12-02 17:49:35,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:49:35,825 INFO L225 Difference]: With dead ends: 16 [2023-12-02 17:49:35,825 INFO L226 Difference]: Without dead ends: 9 [2023-12-02 17:49:35,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 17:49:35,832 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:49:35,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:49:35,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-12-02 17:49:35,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-12-02 17:49:35,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) [2023-12-02 17:49:35,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-12-02 17:49:35,866 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-12-02 17:49:35,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:49:35,867 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-12-02 17:49:35,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-12-02 17:49:35,867 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-12-02 17:49:35,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 17:49:35,868 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:49:35,868 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-12-02 17:49:35,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:49:36,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:49:36,069 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:49:36,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:49:36,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-12-02 17:49:36,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:49:36,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1715672291] [2023-12-02 17:49:36,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:49:36,074 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 [2023-12-02 17:49:36,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:49:36,076 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 17:49:36,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 17:49:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:49:36,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 76 conjunts are in the unsatisfiable core [2023-12-02 17:49:36,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:49:36,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:49:36,831 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:49:39,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:49:39,997 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:49:39,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1715672291] [2023-12-02 17:49:39,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1715672291] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:49:39,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1285769268] [2023-12-02 17:49:39,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:49:39,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 17:49:39,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 17:49:39,999 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 17:49:40,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 17:49:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:49:40,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 76 conjunts are in the unsatisfiable core [2023-12-02 17:49:40,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:49:40,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:49:40,922 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:49:41,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:49:41,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1285769268] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:49:41,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126923390] [2023-12-02 17:49:41,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:49:41,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:49:41,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:49:41,764 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:49:41,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 17:49:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:49:42,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 80 conjunts are in the unsatisfiable core [2023-12-02 17:49:42,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:49:42,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:49:42,447 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:49:45,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:49:45,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126923390] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:49:45,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 17:49:45,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 6, 6] total 11 [2023-12-02 17:49:45,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81857369] [2023-12-02 17:49:45,225 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 17:49:45,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 17:49:45,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:49:45,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 17:49:45,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=100, Unknown=2, NotChecked=0, Total=132 [2023-12-02 17:49:45,227 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 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) [2023-12-02 17:49:47,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 17:49:47,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:49:47,663 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-12-02 17:49:47,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 17:49:47,665 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 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 7 [2023-12-02 17:49:47,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:49:47,665 INFO L225 Difference]: With dead ends: 14 [2023-12-02 17:49:47,666 INFO L226 Difference]: Without dead ends: 12 [2023-12-02 17:49:47,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=64, Invalid=174, Unknown=2, NotChecked=0, Total=240 [2023-12-02 17:49:47,668 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 11 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:49:47,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 18 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 17:49:47,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-12-02 17:49:47,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-12-02 17:49:47,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:49:47,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-12-02 17:49:47,672 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-12-02 17:49:47,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:49:47,673 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-12-02 17:49:47,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 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) [2023-12-02 17:49:47,673 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-12-02 17:49:47,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 17:49:47,674 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:49:47,674 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-12-02 17:49:47,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 17:49:47,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 17:49:48,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 17:49:48,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:49:48,281 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:49:48,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:49:48,282 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-12-02 17:49:48,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:49:48,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [614452642] [2023-12-02 17:49:48,284 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 17:49:48,284 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 [2023-12-02 17:49:48,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:49:48,286 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 17:49:48,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/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 (6)] Waiting until timeout for monitored process [2023-12-02 17:49:48,821 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 17:49:48,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 17:49:48,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 62 conjunts are in the unsatisfiable core [2023-12-02 17:49:48,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:49:49,087 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 17:49:49,087 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:49:49,450 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 17:49:49,450 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:49:49,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [614452642] [2023-12-02 17:49:49,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [614452642] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:49:49,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1248285136] [2023-12-02 17:49:49,451 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 17:49:49,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 17:49:49,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 17:49:49,453 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 17:49:49,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 17:49:50,031 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 17:49:50,032 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 17:49:50,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 62 conjunts are in the unsatisfiable core [2023-12-02 17:49:50,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:49:50,286 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 17:49:50,286 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:49:50,727 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 17:49:50,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1248285136] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:49:50,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101476221] [2023-12-02 17:49:50,728 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 17:49:50,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:49:50,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:49:50,729 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:49:50,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 17:49:51,065 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 17:49:51,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 17:49:51,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 66 conjunts are in the unsatisfiable core [2023-12-02 17:49:51,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:49:55,343 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 17:49:55,343 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:50:01,793 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 17:50:01,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101476221] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:50:01,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 17:50:01,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 5, 5] total 11 [2023-12-02 17:50:01,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244325262] [2023-12-02 17:50:01,794 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 17:50:01,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 17:50:01,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:50:01,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 17:50:01,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=95, Unknown=5, NotChecked=0, Total=132 [2023-12-02 17:50:01,796 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 11 states have internal predecessors, (26), 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) [2023-12-02 17:50:01,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:50:01,971 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2023-12-02 17:50:01,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 17:50:01,975 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 11 states have internal predecessors, (26), 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 10 [2023-12-02 17:50:01,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:50:01,975 INFO L225 Difference]: With dead ends: 11 [2023-12-02 17:50:01,975 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 17:50:01,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=54, Invalid=123, Unknown=5, NotChecked=0, Total=182 [2023-12-02 17:50:01,978 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:50:01,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 0 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:50:01,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 17:50:01,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 17:50:01,980 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) [2023-12-02 17:50:01,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 17:50:01,980 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2023-12-02 17:50:01,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:50:01,980 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 17:50:01,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 11 states have internal predecessors, (26), 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) [2023-12-02 17:50:01,981 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 17:50:01,981 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 17:50:01,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 17:50:01,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 17:50:02,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 17:50:02,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/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 (6)] Forceful destruction successful, exit code 0 [2023-12-02 17:50:02,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:50:02,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 17:50:09,182 WARN L293 SmtUtils]: Spent 6.59s on a formula simplification. DAG size of input: 179 DAG size of output: 67 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-02 17:50:09,184 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 17:50:09,185 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2023-12-02 17:50:09,185 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2023-12-02 17:50:09,185 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2023-12-02 17:50:09,185 INFO L895 garLoopResultBuilder]: At program point L52-2(lines 52 527) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (exists ((|ULTIMATE.start_main_~var_187_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_208_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_186_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_207_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_190_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_195_arg_0~0#1| (_ BitVec 8))) (let ((.cse0 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_187_arg_0~0#1|)))) (.cse1 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_186_arg_0~0#1|))))) (and (= ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv3 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_207_arg_0~0#1|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~var_195_arg_0~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse0)))))) .cse1))) (_ bv1 32)))))))))) (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_208_arg_0~0#1|) (_ bv2 32)))) |ULTIMATE.start_main_~state_13~0#1|) (= ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv3 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl .cse0 (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv1 32) .cse1))))))))) (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_190_arg_0~0#1|) (_ bv2 32)))) |ULTIMATE.start_main_~state_10~0#1|)))) (= |ULTIMATE.start_main_~mask_SORT_3~0#1| (_ bv3 8))) [2023-12-02 17:50:09,186 INFO L899 garLoopResultBuilder]: For program point L52-3(lines 52 527) no Hoare annotation was computed. [2023-12-02 17:50:09,186 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 17:50:09,186 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2023-12-02 17:50:09,189 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2023-12-02 17:50:09,191 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 17:50:09,202 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_187_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_208_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_186_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_207_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_190_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_195_arg_0~0#1 : bv8 :: ~bvor~32(~zero_extend~32~8(~bvand~32(3bv32, ~zero_extend~32~8(~bvor~32(~bvshl~32(~zero_extend~32~8(ULTIMATE.start_main_~var_207_arg_0~0#1), 1bv32), ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(~bvor~32(~zero_extend~32~8(ULTIMATE.start_main_~var_195_arg_0~0#1), ~zero_extend~32~8(~bvnot~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_187_arg_0~0#1)[7:0]))[7:0]))[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_186_arg_0~0#1)[7:0]))[7:0]), 1bv32)[7:0]))[7:0]))[7:0]), ~bvshl~32(~zero_extend~32~8(ULTIMATE.start_main_~var_208_arg_0~0#1), 2bv32))[7:0] == ~state_13~0 && ~bvor~32(~zero_extend~32~8(~bvand~32(3bv32, ~zero_extend~32~8(~bvor~32(~bvshl~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_187_arg_0~0#1)[7:0]), 1bv32), ~zero_extend~32~8(~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_186_arg_0~0#1)[7:0]))[7:0]))[7:0]))[7:0]), ~bvshl~32(~zero_extend~32~8(ULTIMATE.start_main_~var_190_arg_0~0#1), 2bv32))[7:0] == ~state_10~0) could not be translated [2023-12-02 17:50:09,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:50:09 BoogieIcfgContainer [2023-12-02 17:50:09,204 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:50:09,204 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:50:09,204 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:50:09,204 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:50:09,205 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:35" (3/4) ... [2023-12-02 17:50:09,207 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 17:50:09,221 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-02 17:50:09,222 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-02 17:50:09,223 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 17:50:09,225 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 17:50:09,345 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 17:50:09,345 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 17:50:09,345 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:50:09,346 INFO L158 Benchmark]: Toolchain (without parser) took 35675.52ms. Allocated memory was 77.6MB in the beginning and 220.2MB in the end (delta: 142.6MB). Free memory was 53.5MB in the beginning and 139.5MB in the end (delta: -86.0MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2023-12-02 17:50:09,346 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 77.6MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:50:09,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.35ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 53.3MB in the beginning and 68.8MB in the end (delta: -15.5MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2023-12-02 17:50:09,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.69ms. Allocated memory is still 98.6MB. Free memory was 68.8MB in the beginning and 63.9MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 17:50:09,347 INFO L158 Benchmark]: Boogie Preprocessor took 61.45ms. Allocated memory is still 98.6MB. Free memory was 63.9MB in the beginning and 60.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:50:09,347 INFO L158 Benchmark]: RCFGBuilder took 747.06ms. Allocated memory is still 98.6MB. Free memory was 60.4MB in the beginning and 47.9MB in the end (delta: 12.5MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2023-12-02 17:50:09,348 INFO L158 Benchmark]: TraceAbstraction took 34111.13ms. Allocated memory was 98.6MB in the beginning and 220.2MB in the end (delta: 121.6MB). Free memory was 47.3MB in the beginning and 148.9MB in the end (delta: -101.6MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-12-02 17:50:09,348 INFO L158 Benchmark]: Witness Printer took 141.25ms. Allocated memory is still 220.2MB. Free memory was 148.9MB in the beginning and 139.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 17:50:09,350 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 77.6MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 525.35ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 53.3MB in the beginning and 68.8MB in the end (delta: -15.5MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.69ms. Allocated memory is still 98.6MB. Free memory was 68.8MB in the beginning and 63.9MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.45ms. Allocated memory is still 98.6MB. Free memory was 63.9MB in the beginning and 60.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 747.06ms. Allocated memory is still 98.6MB. Free memory was 60.4MB in the beginning and 47.9MB in the end (delta: 12.5MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * TraceAbstraction took 34111.13ms. Allocated memory was 98.6MB in the beginning and 220.2MB in the end (delta: 121.6MB). Free memory was 47.3MB in the beginning and 148.9MB in the end (delta: -101.6MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Witness Printer took 141.25ms. Allocated memory is still 220.2MB. Free memory was 148.9MB in the beginning and 139.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_187_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_208_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_186_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_207_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_190_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_195_arg_0~0#1 : bv8 :: ~bvor~32(~zero_extend~32~8(~bvand~32(3bv32, ~zero_extend~32~8(~bvor~32(~bvshl~32(~zero_extend~32~8(ULTIMATE.start_main_~var_207_arg_0~0#1), 1bv32), ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(~bvor~32(~zero_extend~32~8(ULTIMATE.start_main_~var_195_arg_0~0#1), ~zero_extend~32~8(~bvnot~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_187_arg_0~0#1)[7:0]))[7:0]))[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_186_arg_0~0#1)[7:0]))[7:0]), 1bv32)[7:0]))[7:0]))[7:0]), ~bvshl~32(~zero_extend~32~8(ULTIMATE.start_main_~var_208_arg_0~0#1), 2bv32))[7:0] == ~state_13~0 && ~bvor~32(~zero_extend~32~8(~bvand~32(3bv32, ~zero_extend~32~8(~bvor~32(~bvshl~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_187_arg_0~0#1)[7:0]), 1bv32), ~zero_extend~32~8(~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_186_arg_0~0#1)[7:0]))[7:0]))[7:0]))[7:0]), ~bvshl~32(~zero_extend~32~8(ULTIMATE.start_main_~var_190_arg_0~0#1), 2bv32))[7:0] == ~state_10~0) could not be translated * 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, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.0s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 4 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 64 SyntacticMatches, 7 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 17.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=2, InterpolantAutomatonStates: 16, 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 4 NumberOfFragments, 80 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 594 FormulaSimplificationTreeSizeReductionInter, 6.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 20.3s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 93 ConstructedInterpolants, 39 QuantifiedInterpolants, 7801 SizeOfPredicates, 494 NumberOfNonLiveVariables, 4427 ConjunctsInSsa, 453 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 17/54 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: 52]: Loop Invariant Derived loop invariant: ((1 == mask_SORT_1) && (mask_SORT_3 == 3)) RESULT: Ultimate proved your program to be correct! [2023-12-02 17:50:09,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77316496-12dd-4288-be52-88ca456f86ea/bin/utaipan-verify-nQ1chXbOIh/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