./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal_v.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal_v.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 927306cfdb34082f032dbe87a24c6d688e2dda4e8fb165835d54bffc8f03e27e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:20:31,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:20:31,270 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:20:31,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:20:31,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:20:31,341 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:20:31,342 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:20:31,343 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:20:31,344 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:20:31,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:20:31,350 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:20:31,351 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:20:31,351 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:20:31,353 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:20:31,354 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:20:31,354 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:20:31,355 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:20:31,355 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:20:31,356 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:20:31,356 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:20:31,357 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:20:31,358 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:20:31,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:20:31,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:20:31,360 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:20:31,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:20:31,361 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:20:31,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:20:31,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:20:31,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:20:31,364 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:20:31,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:20:31,365 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:20:31,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:31,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:20:31,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:20:31,366 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:20:31,367 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:20:31,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:20:31,367 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:20:31,367 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:20:31,368 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:20:31,368 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_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 927306cfdb34082f032dbe87a24c6d688e2dda4e8fb165835d54bffc8f03e27e [2023-11-19 05:20:31,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:20:31,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:20:31,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:20:31,746 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:20:31,747 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:20:31,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal_v.c [2023-11-19 05:20:35,163 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:20:35,497 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:20:35,499 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal_v.c [2023-11-19 05:20:35,510 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/data/d4a223e6f/66a8b82fa24e488d95de9a5c19a54cb6/FLAGf617720c2 [2023-11-19 05:20:35,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/data/d4a223e6f/66a8b82fa24e488d95de9a5c19a54cb6 [2023-11-19 05:20:35,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:20:35,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:20:35,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:35,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:20:35,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:20:35,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:35,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be0523a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35, skipping insertion in model container [2023-11-19 05:20:35,545 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:35,586 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:20:35,777 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_bc4d508e-784c-4d4f-aa8c-1064e750631e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal_v.c[1250,1263] [2023-11-19 05:20:35,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:35,868 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:20:35,883 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_bc4d508e-784c-4d4f-aa8c-1064e750631e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal_v.c[1250,1263] [2023-11-19 05:20:35,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:35,949 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:20:35,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35 WrapperNode [2023-11-19 05:20:35,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:35,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:35,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:20:35,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:20:35,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:35,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:36,054 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 325 [2023-11-19 05:20:36,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:36,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:20:36,056 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:20:36,056 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:20:36,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:36,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:36,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:36,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:36,104 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:36,110 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:36,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:36,122 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:36,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:20:36,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:20:36,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:20:36,138 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:20:36,139 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:36,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:36,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:20:36,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:20:36,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:20:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:20:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:20:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:20:36,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:20:36,351 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:20:36,354 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:20:37,084 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:20:37,630 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:20:37,631 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:20:37,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:37 BoogieIcfgContainer [2023-11-19 05:20:37,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:20:37,640 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:20:37,641 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:20:37,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:20:37,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:20:35" (1/3) ... [2023-11-19 05:20:37,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5918906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:37, skipping insertion in model container [2023-11-19 05:20:37,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (2/3) ... [2023-11-19 05:20:37,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5918906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:37, skipping insertion in model container [2023-11-19 05:20:37,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:37" (3/3) ... [2023-11-19 05:20:37,649 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.diagonal_v.c [2023-11-19 05:20:37,669 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:20:37,669 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:20:37,729 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:20:37,738 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;@60b8cfcc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:20:37,739 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:20:37,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:20:37,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 05:20:37,750 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:37,751 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-19 05:20:37,752 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:37,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:37,760 INFO L85 PathProgramCache]: Analyzing trace with hash 10371144, now seen corresponding path program 1 times [2023-11-19 05:20:37,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:20:37,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307363313] [2023-11-19 05:20:37,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:37,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:20:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:38,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:20:38,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:20:38,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307363313] [2023-11-19 05:20:38,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307363313] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:20:38,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:20:38,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:20:38,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980070347] [2023-11-19 05:20:38,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:20:38,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:20:38,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:20:38,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:20:38,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:20:38,857 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) [2023-11-19 05:20:39,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:20:39,176 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2023-11-19 05:20:39,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:20:39,180 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 [2023-11-19 05:20:39,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:20:39,190 INFO L225 Difference]: With dead ends: 15 [2023-11-19 05:20:39,190 INFO L226 Difference]: Without dead ends: 9 [2023-11-19 05:20:39,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:20:39,201 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:20:39,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 05:20:39,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-19 05:20:39,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-19 05:20:39,239 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) [2023-11-19 05:20:39,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-19 05:20:39,242 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-19 05:20:39,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:20:39,244 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-19 05:20:39,244 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) [2023-11-19 05:20:39,245 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-19 05:20:39,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 05:20:39,245 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:39,245 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-19 05:20:39,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:20:39,246 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:39,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:39,248 INFO L85 PathProgramCache]: Analyzing trace with hash -258169775, now seen corresponding path program 1 times [2023-11-19 05:20:39,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:20:39,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133695281] [2023-11-19 05:20:39,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:39,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:20:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:20:40,366 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:20:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:20:41,192 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:20:41,194 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:20:41,196 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:20:41,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:20:41,202 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 05:20:41,209 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:20:41,280 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 05:20:41,281 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 05:20:41,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:20:41 BoogieIcfgContainer [2023-11-19 05:20:41,310 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:20:41,312 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:20:41,312 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:20:41,313 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:20:41,313 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:37" (3/4) ... [2023-11-19 05:20:41,316 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:20:41,318 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:20:41,319 INFO L158 Benchmark]: Toolchain (without parser) took 5786.23ms. Allocated memory was 138.4MB in the beginning and 226.5MB in the end (delta: 88.1MB). Free memory was 93.3MB in the beginning and 168.2MB in the end (delta: -75.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2023-11-19 05:20:41,321 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 138.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:20:41,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.69ms. Allocated memory is still 138.4MB. Free memory was 92.8MB in the beginning and 78.6MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:20:41,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.64ms. Allocated memory is still 138.4MB. Free memory was 78.6MB in the beginning and 71.8MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 05:20:41,328 INFO L158 Benchmark]: Boogie Preprocessor took 80.39ms. Allocated memory is still 138.4MB. Free memory was 71.8MB in the beginning and 68.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:20:41,329 INFO L158 Benchmark]: RCFGBuilder took 1500.75ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 68.4MB in the beginning and 119.4MB in the end (delta: -51.1MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2023-11-19 05:20:41,330 INFO L158 Benchmark]: TraceAbstraction took 3669.73ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 118.4MB in the beginning and 168.2MB in the end (delta: -49.9MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2023-11-19 05:20:41,330 INFO L158 Benchmark]: Witness Printer took 6.58ms. Allocated memory is still 226.5MB. Free memory is still 168.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:20:41,341 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 138.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.69ms. Allocated memory is still 138.4MB. Free memory was 92.8MB in the beginning and 78.6MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.64ms. Allocated memory is still 138.4MB. Free memory was 78.6MB in the beginning and 71.8MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.39ms. Allocated memory is still 138.4MB. Free memory was 71.8MB in the beginning and 68.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1500.75ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 68.4MB in the beginning and 119.4MB in the end (delta: -51.1MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3669.73ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 118.4MB in the beginning and 168.2MB in the end (delta: -49.9MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. * Witness Printer took 6.58ms. Allocated memory is still 226.5MB. Free memory is still 168.2MB. 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 shiftRight at line 85, overapproximation of bitwiseOr at line 110, overapproximation of bitwiseAnd at line 66. 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_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 4); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (4 - 1); [L32] const SORT_28 mask_SORT_28 = (SORT_28)-1 >> (sizeof(SORT_28) * 8 - 32); [L33] const SORT_28 msb_SORT_28 = (SORT_28)1 << (32 - 1); [L35] const SORT_4 var_5 = 1; [L36] const SORT_4 var_8 = 0; [L37] const SORT_1 var_15 = 1; [L38] const SORT_4 var_22 = 15; [L39] const SORT_28 var_30 = 1; [L41] SORT_1 input_2; [L42] SORT_1 input_3; [L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L44] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L45] SORT_4 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L47] SORT_4 init_7_arg_1 = var_5; [L48] state_6 = init_7_arg_1 [L49] SORT_4 init_10_arg_1 = var_8; [L50] state_9 = init_10_arg_1 VAL [init_10_arg_1=0, init_7_arg_1=1, mask_SORT_1=1, mask_SORT_28=4294967295, mask_SORT_4=15, msb_SORT_1=1, msb_SORT_28=2147483648, msb_SORT_4=8, state_6=1, state_9=0, var_15=1, var_22=15, var_30=1, var_5=1, var_8=0] [L53] input_2 = __VERIFIER_nondet_uchar() [L54] input_3 = __VERIFIER_nondet_uchar() [L57] SORT_4 var_11_arg_0 = state_6; [L58] SORT_4 var_11_arg_1 = state_9; [L59] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L60] SORT_1 var_12_arg_0 = var_11; [L61] SORT_1 var_12 = ~var_12_arg_0; [L62] SORT_1 var_16_arg_0 = var_12; [L63] SORT_1 var_16 = ~var_16_arg_0; [L64] SORT_1 var_17_arg_0 = var_15; [L65] SORT_1 var_17_arg_1 = var_16; [L66] EXPR var_17_arg_0 & var_17_arg_1 [L66] SORT_1 var_17 = var_17_arg_0 & var_17_arg_1; [L67] EXPR var_17 & mask_SORT_1 [L67] var_17 = var_17 & mask_SORT_1 [L68] SORT_1 bad_18_arg_0 = var_17; [L69] CALL __VERIFIER_assert(!(bad_18_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L69] RET __VERIFIER_assert(!(bad_18_arg_0)) [L71] SORT_1 var_37_arg_0 = input_3; [L72] SORT_1 var_37 = ~var_37_arg_0; [L73] SORT_4 var_38_arg_0 = state_6; [L74] SORT_4 var_38_arg_1 = state_9; [L75] SORT_1 var_38 = var_38_arg_0 > var_38_arg_1; [L76] SORT_1 var_39_arg_0 = var_37; [L77] SORT_1 var_39_arg_1 = var_38; [L78] EXPR var_39_arg_0 & var_39_arg_1 [L78] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L79] EXPR var_39 & mask_SORT_1 [L79] var_39 = var_39 & mask_SORT_1 [L80] SORT_4 var_29_arg_0 = var_22; [L81] EXPR var_29_arg_0 & mask_SORT_4 [L81] var_29_arg_0 = var_29_arg_0 & mask_SORT_4 [L82] SORT_28 var_29 = var_29_arg_0; [L83] SORT_28 var_31_arg_0 = var_29; [L84] SORT_28 var_31_arg_1 = var_30; [L85] EXPR var_31_arg_0 >> var_31_arg_1 [L85] SORT_28 var_31 = var_31_arg_0 >> var_31_arg_1; [L86] SORT_28 var_32_arg_0 = var_31; [L87] SORT_4 var_32 = var_32_arg_0 >> 0; [L88] SORT_4 var_33_arg_0 = state_6; [L89] EXPR var_33_arg_0 & mask_SORT_4 [L89] var_33_arg_0 = var_33_arg_0 & mask_SORT_4 [L90] SORT_28 var_33 = var_33_arg_0; [L91] SORT_28 var_34_arg_0 = var_33; [L92] SORT_28 var_34_arg_1 = var_30; [L93] EXPR var_34_arg_0 >> var_34_arg_1 [L93] SORT_28 var_34 = var_34_arg_0 >> var_34_arg_1; [L94] SORT_28 var_35_arg_0 = var_34; [L95] SORT_4 var_35 = var_35_arg_0 >> 0; [L96] SORT_4 var_36_arg_0 = var_32; [L97] SORT_4 var_36_arg_1 = var_35; [L98] SORT_4 var_36 = var_36_arg_0 + var_36_arg_1; [L99] SORT_4 var_26_arg_0 = state_6; [L100] SORT_4 var_26_arg_1 = state_9; [L101] SORT_1 var_26 = var_26_arg_0 < var_26_arg_1; [L102] SORT_4 var_21_arg_0 = state_9; [L103] SORT_4 var_21_arg_1 = state_6; [L104] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L105] SORT_4 var_23_arg_0 = state_6; [L106] SORT_4 var_23_arg_1 = var_22; [L107] SORT_1 var_23 = var_23_arg_0 != var_23_arg_1; [L108] SORT_1 var_24_arg_0 = var_21; [L109] SORT_1 var_24_arg_1 = var_23; [L110] EXPR var_24_arg_0 | var_24_arg_1 [L110] SORT_1 var_24 = var_24_arg_0 | var_24_arg_1; [L111] EXPR var_24 & mask_SORT_1 [L111] var_24 = var_24 & mask_SORT_1 [L112] SORT_4 var_20_arg_0 = state_6; [L113] SORT_4 var_20_arg_1 = var_5; [L114] SORT_4 var_20 = var_20_arg_0 + var_20_arg_1; [L115] SORT_1 var_25_arg_0 = var_24; [L116] SORT_4 var_25_arg_1 = var_20; [L117] SORT_4 var_25_arg_2 = state_9; [L118] SORT_4 var_25 = var_25_arg_0 ? var_25_arg_1 : var_25_arg_2; [L119] SORT_1 var_27_arg_0 = var_26; [L120] SORT_4 var_27_arg_1 = state_6; [L121] SORT_4 var_27_arg_2 = var_25; [L122] SORT_4 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L123] SORT_1 var_40_arg_0 = var_39; [L124] SORT_4 var_40_arg_1 = var_36; [L125] SORT_4 var_40_arg_2 = var_27; [L126] SORT_4 var_40 = var_40_arg_0 ? var_40_arg_1 : var_40_arg_2; [L127] EXPR var_40 & mask_SORT_4 [L127] var_40 = var_40 & mask_SORT_4 [L128] SORT_4 next_41_arg_1 = var_40; [L129] SORT_1 var_48_arg_0 = input_3; [L130] SORT_1 var_48 = ~var_48_arg_0; [L131] SORT_4 var_49_arg_0 = state_6; [L132] SORT_4 var_49_arg_1 = state_9; [L133] SORT_1 var_49 = var_49_arg_0 > var_49_arg_1; [L134] SORT_1 var_50_arg_0 = var_48; [L135] SORT_1 var_50_arg_1 = var_49; [L136] EXPR var_50_arg_0 & var_50_arg_1 [L136] SORT_1 var_50 = var_50_arg_0 & var_50_arg_1; [L137] EXPR var_50 & mask_SORT_1 [L137] var_50 = var_50 & mask_SORT_1 [L138] SORT_4 var_43_arg_0 = state_6; [L139] SORT_4 var_43_arg_1 = state_9; [L140] SORT_1 var_43 = var_43_arg_0 > var_43_arg_1; [L141] SORT_1 var_44_arg_0 = var_43; [L142] SORT_1 var_44 = ~var_44_arg_0; [L143] SORT_4 var_45_arg_0 = state_6; [L144] SORT_4 var_45_arg_1 = var_22; [L145] SORT_1 var_45 = var_45_arg_0 != var_45_arg_1; [L146] SORT_1 var_46_arg_0 = var_44; [L147] SORT_1 var_46_arg_1 = var_45; [L148] EXPR var_46_arg_0 | var_46_arg_1 [L148] SORT_1 var_46 = var_46_arg_0 | var_46_arg_1; [L149] EXPR var_46 & mask_SORT_1 [L149] var_46 = var_46 & mask_SORT_1 [L150] SORT_4 var_42_arg_0 = state_9; [L151] SORT_4 var_42_arg_1 = var_5; [L152] SORT_4 var_42 = var_42_arg_0 + var_42_arg_1; [L153] SORT_1 var_47_arg_0 = var_46; [L154] SORT_4 var_47_arg_1 = var_42; [L155] SORT_4 var_47_arg_2 = state_6; [L156] SORT_4 var_47 = var_47_arg_0 ? var_47_arg_1 : var_47_arg_2; [L157] SORT_1 var_51_arg_0 = var_50; [L158] SORT_4 var_51_arg_1 = state_9; [L159] SORT_4 var_51_arg_2 = var_47; [L160] SORT_4 var_51 = var_51_arg_0 ? var_51_arg_1 : var_51_arg_2; [L161] EXPR var_51 & mask_SORT_4 [L161] var_51 = var_51 & mask_SORT_4 [L162] SORT_4 next_52_arg_1 = var_51; [L164] state_6 = next_41_arg_1 [L165] state_9 = next_52_arg_1 VAL [bad_18_arg_0=0, init_10_arg_1=0, init_7_arg_1=1, input_3=255, mask_SORT_1=1, mask_SORT_28=4294967295, mask_SORT_4=15, msb_SORT_1=1, msb_SORT_28=2147483648, msb_SORT_4=8, next_41_arg_1=0, next_52_arg_1=1, state_6=0, state_9=1, var_11=0, var_11_arg_0=1, var_11_arg_1=0, var_12=255, var_12_arg_0=0, var_15=1, var_16=0, var_16_arg_0=255, var_17=0, var_17_arg_0=1, var_17_arg_1=0, var_20=2, var_20_arg_0=1, var_20_arg_1=1, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=15, var_23=1, var_23_arg_0=1, var_23_arg_1=15, var_24=1, var_24_arg_0=0, var_24_arg_1=1, var_25=2, var_25_arg_0=1, var_25_arg_1=2, var_25_arg_2=0, var_26=0, var_26_arg_0=1, var_26_arg_1=0, var_27=2, var_27_arg_0=0, var_27_arg_1=1, var_27_arg_2=2, var_29=15, var_29_arg_0=15, var_30=1, var_31=0, var_31_arg_0=15, var_31_arg_1=1, var_32=0, var_32_arg_0=0, var_33=0, var_33_arg_0=0, var_34=0, var_34_arg_0=0, var_34_arg_1=1, var_35=0, var_35_arg_0=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_37=0, var_37_arg_0=255, var_38=1, var_38_arg_0=1, var_38_arg_1=0, var_39=0, var_39_arg_0=0, var_39_arg_1=1, var_40=0, var_40_arg_0=0, var_40_arg_1=0, var_40_arg_2=2, var_42=1, var_42_arg_0=0, var_42_arg_1=1, var_43=1, var_43_arg_0=1, var_43_arg_1=0, var_44=254, var_44_arg_0=1, var_45=1, var_45_arg_0=1, var_45_arg_1=15, var_46=0, var_46_arg_0=254, var_46_arg_1=1, var_47=1, var_47_arg_0=0, var_47_arg_1=1, var_47_arg_2=1, var_48=0, var_48_arg_0=255, var_49=1, var_49_arg_0=1, var_49_arg_1=0, var_50=0, var_50_arg_0=0, var_50_arg_1=1, var_51=1, var_51_arg_0=0, var_51_arg_1=0, var_51_arg_2=1, var_5=1, var_8=0] [L53] input_2 = __VERIFIER_nondet_uchar() [L54] input_3 = __VERIFIER_nondet_uchar() [L57] SORT_4 var_11_arg_0 = state_6; [L58] SORT_4 var_11_arg_1 = state_9; [L59] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L60] SORT_1 var_12_arg_0 = var_11; [L61] SORT_1 var_12 = ~var_12_arg_0; [L62] SORT_1 var_16_arg_0 = var_12; [L63] SORT_1 var_16 = ~var_16_arg_0; [L64] SORT_1 var_17_arg_0 = var_15; [L65] SORT_1 var_17_arg_1 = var_16; [L66] EXPR var_17_arg_0 & var_17_arg_1 [L66] SORT_1 var_17 = var_17_arg_0 & var_17_arg_1; [L67] EXPR var_17 & mask_SORT_1 [L67] var_17 = var_17 & mask_SORT_1 [L68] SORT_1 bad_18_arg_0 = var_17; [L69] CALL __VERIFIER_assert(!(bad_18_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: 3.5s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 1.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 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 [2023-11-19 05:20:41,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal_v.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 927306cfdb34082f032dbe87a24c6d688e2dda4e8fb165835d54bffc8f03e27e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:20:44,488 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:20:44,645 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-19 05:20:44,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:20:44,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:20:44,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:20:44,715 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:20:44,716 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:20:44,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:20:44,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:20:44,723 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:20:44,724 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:20:44,725 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:20:44,727 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:20:44,727 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:20:44,728 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:20:44,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:20:44,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:20:44,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:20:44,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:20:44,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:20:44,733 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:20:44,734 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:20:44,734 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:20:44,734 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:20:44,735 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:20:44,735 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:20:44,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:20:44,736 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:20:44,737 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:20:44,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:44,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:20:44,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:20:44,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:20:44,740 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:20:44,740 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:20:44,740 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:20:44,741 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:20:44,741 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:20:44,742 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_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 927306cfdb34082f032dbe87a24c6d688e2dda4e8fb165835d54bffc8f03e27e [2023-11-19 05:20:45,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:20:45,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:20:45,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:20:45,273 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:20:45,274 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:20:45,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal_v.c [2023-11-19 05:20:48,726 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:20:49,013 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:20:49,014 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal_v.c [2023-11-19 05:20:49,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/data/aa3cf7974/a48adecabc3647b891ac72876750e887/FLAG112923620 [2023-11-19 05:20:49,040 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/data/aa3cf7974/a48adecabc3647b891ac72876750e887 [2023-11-19 05:20:49,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:20:49,045 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:20:49,046 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:49,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:20:49,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:20:49,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:49" (1/1) ... [2023-11-19 05:20:49,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3810f55f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:49, skipping insertion in model container [2023-11-19 05:20:49,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:49" (1/1) ... [2023-11-19 05:20:49,103 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:20:49,298 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_bc4d508e-784c-4d4f-aa8c-1064e750631e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal_v.c[1250,1263] [2023-11-19 05:20:49,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:49,440 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:20:49,463 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal_v.c[1250,1263] [2023-11-19 05:20:49,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:49,551 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:20:49,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:49 WrapperNode [2023-11-19 05:20:49,552 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:49,553 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:49,553 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:20:49,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:20:49,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:49" (1/1) ... [2023-11-19 05:20:49,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:49" (1/1) ... [2023-11-19 05:20:49,628 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 157 [2023-11-19 05:20:49,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:49,630 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:20:49,631 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:20:49,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:20:49,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:49" (1/1) ... [2023-11-19 05:20:49,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:49" (1/1) ... [2023-11-19 05:20:49,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:49" (1/1) ... [2023-11-19 05:20:49,655 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:49" (1/1) ... [2023-11-19 05:20:49,664 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:49" (1/1) ... [2023-11-19 05:20:49,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:49" (1/1) ... [2023-11-19 05:20:49,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:49" (1/1) ... [2023-11-19 05:20:49,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:49" (1/1) ... [2023-11-19 05:20:49,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:20:49,676 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:20:49,676 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:20:49,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:20:49,677 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:49" (1/1) ... [2023-11-19 05:20:49,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:49,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:20:49,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:20:49,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:20:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:20:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:20:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:20:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:20:49,895 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:20:49,897 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:20:50,203 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:20:50,211 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:20:50,211 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:20:50,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:50 BoogieIcfgContainer [2023-11-19 05:20:50,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:20:50,218 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:20:50,218 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:20:50,222 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:20:50,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:20:49" (1/3) ... [2023-11-19 05:20:50,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd8b7ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:50, skipping insertion in model container [2023-11-19 05:20:50,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:49" (2/3) ... [2023-11-19 05:20:50,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd8b7ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:50, skipping insertion in model container [2023-11-19 05:20:50,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:50" (3/3) ... [2023-11-19 05:20:50,225 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.diagonal_v.c [2023-11-19 05:20:50,248 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:20:50,248 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:20:50,309 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:20:50,318 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;@3956ac44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:20:50,319 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:20:50,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:20:50,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 05:20:50,334 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:50,335 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 05:20:50,336 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:50,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:50,345 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-19 05:20:50,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:20:50,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [47648171] [2023-11-19 05:20:50,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:50,363 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:20:50,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:20:50,381 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:20:50,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:20:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:50,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 05:20:50,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:20:50,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:20:50,755 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:20:50,756 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:20:50,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [47648171] [2023-11-19 05:20:50,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [47648171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:20:50,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:20:50,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:20:50,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343802514] [2023-11-19 05:20:50,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:20:50,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:20:50,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:20:50,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:20:50,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:20:50,821 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:20:50,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:20:50,904 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-19 05:20:50,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:20:50,907 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-19 05:20:50,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:20:50,917 INFO L225 Difference]: With dead ends: 19 [2023-11-19 05:20:50,917 INFO L226 Difference]: Without dead ends: 10 [2023-11-19 05:20:50,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:20:50,927 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:20:50,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:20:50,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-19 05:20:50,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-19 05:20:50,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:20:50,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-19 05:20:50,969 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-19 05:20:50,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:20:50,969 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-19 05:20:50,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:20:50,970 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-19 05:20:50,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 05:20:50,970 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:50,970 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-19 05:20:50,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 05:20:51,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:20:51,174 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:51,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:51,175 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-19 05:20:51,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:20:51,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [702415801] [2023-11-19 05:20:51,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:51,181 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:20:51,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:20:51,182 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:20:51,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:20:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:51,401 WARN L260 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 95 conjunts are in the unsatisfiable core [2023-11-19 05:20:51,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:20:53,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:20:53,740 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:21:04,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:21:04,724 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:21:04,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [702415801] [2023-11-19 05:21:04,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [702415801] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:21:04,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1330413291] [2023-11-19 05:21:04,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:04,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:21:04,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:21:04,771 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:21:04,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4d508e-784c-4d4f-aa8c-1064e750631e/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 05:21:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:21:05,011 WARN L260 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 78 conjunts are in the unsatisfiable core [2023-11-19 05:21:05,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:21:06,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:21:06,663 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:21:15,656 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (let ((.cse21 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_4~0#1|)) (.cse41 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_9~0#1|)) (.cse43 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_5~0#1|))) (let ((.cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse41 .cse43))))))))))) (.cse32 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_6~0#1|))) (let ((.cse17 (bvslt .cse32 .cse41)) (.cse26 (forall ((|v_ULTIMATE.start_main_~var_40_arg_1~0#1_7| (_ BitVec 8))) (not (bvslt ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_40_arg_1~0#1_7|)))))) .cse22)))) (.cse25 (forall ((|ULTIMATE.start_main_~input_3~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_39_arg_1~0#1_7| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_3~0#1|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_39_arg_1~0#1_7|)))) .cse4)) (_ bv0 8)))) (.cse34 (forall ((|v_ULTIMATE.start_main_~var_47_arg_2~0#1_7| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_40_arg_1~0#1_7| (_ BitVec 8))) (not (bvslt ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_40_arg_1~0#1_7|)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_47_arg_2~0#1_7|))))))))))))) (let ((.cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse32 .cse43))))))))))))) (.cse20 (bvsgt .cse32 .cse41)) (.cse28 (or .cse25 .cse34)) (.cse38 (forall ((|ULTIMATE.start_main_~input_3~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_39_arg_1~0#1_7| (_ BitVec 8))) (let ((.cse42 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_3~0#1|)))))) (or (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse42 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_39_arg_1~0#1_7|)))) .cse4)) (_ bv0 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse42 (_ bv1 32)))) .cse4))))))) (.cse36 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) .cse41)))))) (.cse19 (forall ((|ULTIMATE.start_main_~input_3~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_39_arg_1~0#1_7| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_3~0#1|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_39_arg_1~0#1_7|)))) .cse4)) (_ bv0 8))))) (.cse18 (or .cse25 .cse26)) (.cse39 (not .cse17)) (.cse35 (forall ((|ULTIMATE.start_main_~input_3~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_39_arg_1~0#1_7| (_ BitVec 8))) (let ((.cse40 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_3~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse40 (_ bv1 32)))) .cse4)))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse40 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_39_arg_1~0#1_7|)))) .cse4)) (_ bv0 8))))))) (let ((.cse12 (or .cse26 .cse35)) (.cse16 (or (and (or .cse19 (forall ((|v_ULTIMATE.start_main_~var_27_arg_1~0#1_7| (_ BitVec 8))) (not (bvslt ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_27_arg_1~0#1_7|)))))))) .cse22)))) .cse18) .cse39)) (.cse11 (or .cse38 (forall ((|v_ULTIMATE.start_main_~var_25_arg_2~0#1_7| (_ BitVec 8))) (not (bvslt ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_2~0#1_7|)))))))))) .cse36))))) (.cse27 (or .cse39 (and .cse28 (or .cse19 (forall ((|v_ULTIMATE.start_main_~var_47_arg_2~0#1_7| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_27_arg_1~0#1_7| (_ BitVec 8))) (not (bvslt ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_27_arg_1~0#1_7|)))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_47_arg_2~0#1_7|))))))))))))))) (.cse10 (not .cse20)) (.cse23 (or .cse38 (not (bvslt .cse24 .cse36)))) (.cse13 (or (forall ((|v_ULTIMATE.start_main_~var_40_arg_1~0#1_7| (_ BitVec 8))) (not (bvslt ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_40_arg_1~0#1_7|)))))) .cse36))) (forall ((|ULTIMATE.start_main_~input_3~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_39_arg_1~0#1_7| (_ BitVec 8))) (let ((.cse37 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_3~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse37 (_ bv1 32)))) .cse4))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse37 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_39_arg_1~0#1_7|)))) .cse4)) (_ bv0 8))))))) (.cse30 (or .cse34 .cse35)) (.cse15 (forall ((|ULTIMATE.start_main_~input_3~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_39_arg_1~0#1_7| (_ BitVec 8))) (let ((.cse33 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_3~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse33 (_ bv1 32)))) .cse4)))) (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse33 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_39_arg_1~0#1_7|)))) .cse4)) (_ bv0 8)))))))) (let ((.cse7 (= ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_22~0#1|) .cse32)) (.cse1 (let ((.cse31 (forall ((|v_ULTIMATE.start_main_~var_47_arg_2~0#1_7| (_ BitVec 8))) (not (bvslt .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_47_arg_2~0#1_7|))))))))))))) (and (or .cse20 (and .cse27 (or .cse17 (and (or .cse31 .cse19) .cse28)))) (or .cse10 (and .cse23 .cse13 .cse30 (or .cse31 .cse15)))))) (.cse3 (let ((.cse29 (forall ((|v_ULTIMATE.start_main_~var_47_arg_2~0#1_7| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_25_arg_2~0#1_7| (_ BitVec 8))) (not (bvslt ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_2~0#1_7|)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_47_arg_2~0#1_7|))))))))))))) (and (or (and .cse27 (or .cse17 (and .cse28 (or .cse19 .cse29)))) .cse20) (or .cse10 (and .cse11 (or .cse29 .cse15) .cse13 .cse30))))) (.cse5 (and (or .cse10 (and .cse23 (or .cse15 (not (bvslt .cse24 .cse22))) .cse12 .cse13)) (or (and .cse16 (or .cse17 .cse25 .cse26)) .cse20))) (.cse6 (let ((.cse14 (forall ((|v_ULTIMATE.start_main_~var_25_arg_2~0#1_7| (_ BitVec 8))) (not (bvslt ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_2~0#1_7|)))))))))) .cse22))))) (and (or .cse10 (and .cse11 .cse12 .cse13 (or .cse14 .cse15))) (or (and .cse16 (or .cse17 (and .cse18 (or .cse14 .cse19)))) .cse20))))) (and (or (let ((.cse0 (forall ((|v_ULTIMATE.start_main_~var_24_arg_0~0#1_7| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_24_arg_0~0#1_7|)))))) (_ bv0 8)))) (.cse2 (forall ((|v_ULTIMATE.start_main_~var_24_arg_0~0#1_7| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_24_arg_0~0#1_7|)))))) (_ bv0 8)))))) (and (or (and (or .cse0 .cse1) (or .cse2 .cse3)) (forall ((|v_ULTIMATE.start_main_~var_46_arg_0~0#1_7| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_46_arg_0~0#1_7|)))))) (_ bv0 8))))) (or (and (or .cse0 .cse5) (or .cse2 .cse6)) (forall ((|v_ULTIMATE.start_main_~var_46_arg_0~0#1_7| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_46_arg_0~0#1_7|)))))) (_ bv0 8)))))) (not .cse7)) (or .cse7 (let ((.cse8 (forall ((|v_ULTIMATE.start_main_~var_24_arg_0~0#1_7| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_24_arg_0~0#1_7|)))))) (_ bv0 8)))) (.cse9 (forall ((|v_ULTIMATE.start_main_~var_24_arg_0~0#1_7| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_24_arg_0~0#1_7|)))))) (_ bv0 8)))))) (and (or (and (or .cse1 .cse8) (or .cse9 .cse3)) (forall ((|v_ULTIMATE.start_main_~var_46_arg_0~0#1_7| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_46_arg_0~0#1_7|)))) .cse4)))))) (or (and (or .cse5 .cse8) (or .cse9 .cse6)) (forall ((|v_ULTIMATE.start_main_~var_46_arg_0~0#1_7| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_46_arg_0~0#1_7|)))) .cse4))))))))))))))) (forall ((|v_ULTIMATE.start_main_~var_17_arg_0~0#1_5| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_0~0#1_5|) (_ bv1 32)))))))))) is different from false