./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 275f3564868260c0f8bba92723013207b6a72ca364aead8f492ecb284c649797 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:26:44,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:26:44,702 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 04:26:44,713 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:26:44,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:26:44,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:26:44,746 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:26:44,746 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:26:44,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:26:44,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:26:44,747 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:26:44,747 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:26:44,748 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:26:44,748 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:26:44,748 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:26:44,748 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:26:44,748 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:26:44,748 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:26:44,749 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:26:44,749 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:26:44,749 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:26:44,749 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:26:44,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:26:44,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:26:44,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:26:44,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:26:44,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:26:44,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:26:44,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:26:44,751 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:26:44,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:26:44,751 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:26:44,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:26:44,752 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:26:44,752 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:26:44,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:26:44,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:26:44,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:26:44,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:26:44,753 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:26:44,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:26:44,753 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:26:44,753 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:26:44,753 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:26:44,753 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 275f3564868260c0f8bba92723013207b6a72ca364aead8f492ecb284c649797 [2024-11-14 04:26:45,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:26:45,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:26:45,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:26:45,176 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:26:45,176 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:26:45,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c Unable to find full path for "g++" [2024-11-14 04:26:47,455 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:26:47,851 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:26:47,852 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c [2024-11-14 04:26:47,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/data/41c6c7d95/801ae97240b64c3582c3d0a921aa0c13/FLAG86f237ae8 [2024-11-14 04:26:47,893 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/data/41c6c7d95/801ae97240b64c3582c3d0a921aa0c13 [2024-11-14 04:26:47,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:26:47,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:26:47,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:26:47,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:26:47,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:26:47,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:26:47" (1/1) ... [2024-11-14 04:26:47,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce49933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:47, skipping insertion in model container [2024-11-14 04:26:47,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:26:47" (1/1) ... [2024-11-14 04:26:47,940 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:26:48,154 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c[1298,1311] [2024-11-14 04:26:48,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:26:48,263 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:26:48,276 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c[1298,1311] [2024-11-14 04:26:48,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:26:48,382 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:26:48,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:48 WrapperNode [2024-11-14 04:26:48,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:26:48,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:26:48,384 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:26:48,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:26:48,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:48" (1/1) ... [2024-11-14 04:26:48,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:48" (1/1) ... [2024-11-14 04:26:48,502 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 372 [2024-11-14 04:26:48,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:26:48,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:26:48,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:26:48,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:26:48,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:48" (1/1) ... [2024-11-14 04:26:48,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:48" (1/1) ... [2024-11-14 04:26:48,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:48" (1/1) ... [2024-11-14 04:26:48,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:48" (1/1) ... [2024-11-14 04:26:48,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:48" (1/1) ... [2024-11-14 04:26:48,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:48" (1/1) ... [2024-11-14 04:26:48,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:48" (1/1) ... [2024-11-14 04:26:48,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:48" (1/1) ... [2024-11-14 04:26:48,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:26:48,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:26:48,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:26:48,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:26:48,564 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:48" (1/1) ... [2024-11-14 04:26:48,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:26:48,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:26:48,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:26:48,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:26:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:26:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:26:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:26:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:26:48,811 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:26:48,813 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:26:49,707 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2024-11-14 04:26:49,708 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:26:50,381 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:26:50,382 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:26:50,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:26:50 BoogieIcfgContainer [2024-11-14 04:26:50,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:26:50,386 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:26:50,388 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:26:50,395 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:26:50,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:26:47" (1/3) ... [2024-11-14 04:26:50,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70fa78b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:26:50, skipping insertion in model container [2024-11-14 04:26:50,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:48" (2/3) ... [2024-11-14 04:26:50,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70fa78b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:26:50, skipping insertion in model container [2024-11-14 04:26:50,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:26:50" (3/3) ... [2024-11-14 04:26:50,400 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul2.c [2024-11-14 04:26:50,419 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:26:50,421 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.mul2.c that has 1 procedures, 7 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:26:50,493 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:26:50,512 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78e2597e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:26:50,512 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:26:50,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:26:50,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 04:26:50,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:26:50,526 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 04:26:50,526 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:26:50,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:26:50,534 INFO L85 PathProgramCache]: Analyzing trace with hash 13934432, now seen corresponding path program 1 times [2024-11-14 04:26:50,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:26:50,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113672482] [2024-11-14 04:26:50,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:26:50,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:26:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:26:51,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:26:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:26:51,251 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:26:51,253 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:26:51,255 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:26:51,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:26:51,265 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:26:51,295 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:26:51,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:26:51 BoogieIcfgContainer [2024-11-14 04:26:51,302 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:26:51,303 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:26:51,305 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:26:51,306 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:26:51,306 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:26:50" (3/4) ... [2024-11-14 04:26:51,311 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:26:51,312 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:26:51,316 INFO L158 Benchmark]: Toolchain (without parser) took 3415.08ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 73.9MB in the end (delta: 18.6MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-11-14 04:26:51,316 INFO L158 Benchmark]: CDTParser took 1.26ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:26:51,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.62ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 77.8MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:26:51,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.34ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 72.9MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:26:51,317 INFO L158 Benchmark]: Boogie Preprocessor took 56.92ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 70.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:26:51,318 INFO L158 Benchmark]: RCFGBuilder took 1821.45ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 58.4MB in the end (delta: 12.1MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2024-11-14 04:26:51,318 INFO L158 Benchmark]: TraceAbstraction took 916.21ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 74.0MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:26:51,318 INFO L158 Benchmark]: Witness Printer took 8.73ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 73.9MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:26:51,325 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.62ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 77.8MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.34ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 72.9MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.92ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 70.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1821.45ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 58.4MB in the end (delta: 12.1MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. * TraceAbstraction took 916.21ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 74.0MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.73ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 73.9MB in the end (delta: 11.7kB). 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: 22]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 47, overapproximation of bitwiseAnd at line 76. Possible FailurePath: [L27] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L28] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L30] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 64); [L31] const SORT_5 msb_SORT_5 = (SORT_5)1 << (64 - 1); [L33] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 128); [L34] const SORT_9 msb_SORT_9 = (SORT_9)1 << (128 - 1); [L36] const SORT_9 var_10 = 0; [L37] const SORT_1 var_18 = 1; [L38] const SORT_5 var_22 = 0; [L40] SORT_1 input_2; [L41] SORT_1 input_3; [L42] SORT_1 input_4; [L43] SORT_5 input_6; [L44] SORT_5 input_7; [L45] SORT_1 input_8; [L47] EXPR __VERIFIER_nondet_uint128() & mask_SORT_9 [L47] SORT_9 state_11 = __VERIFIER_nondet_uint128() & mask_SORT_9; [L48] EXPR __VERIFIER_nondet_uint128() & mask_SORT_9 [L48] SORT_9 state_13 = __VERIFIER_nondet_uint128() & mask_SORT_9; [L49] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 [L49] SORT_5 state_23 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L50] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 [L50] SORT_5 state_25 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L51] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L52] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 [L53] SORT_5 state_31 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L54] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 [L54] SORT_5 state_33 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L56] SORT_9 init_12_arg_1 = var_10; [L57] state_11 = init_12_arg_1 [L58] SORT_9 init_14_arg_1 = var_10; [L59] state_13 = init_14_arg_1 [L60] SORT_5 init_24_arg_1 = var_22; [L61] state_23 = init_24_arg_1 [L62] SORT_5 init_26_arg_1 = var_22; [L63] state_25 = init_26_arg_1 [L64] SORT_1 init_28_arg_1 = var_18; [L65] state_27 = init_28_arg_1 [L66] SORT_1 init_30_arg_1 = var_18; [L67] state_29 = init_30_arg_1 [L68] SORT_5 init_32_arg_1 = var_22; [L69] state_31 = init_32_arg_1 [L70] SORT_5 init_34_arg_1 = var_22; [L71] state_33 = init_34_arg_1 VAL [mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_9=-1, state_11=0, state_13=0, state_23=0, state_25=0, state_27=1, state_29=1, state_31=0, state_33=0, var_10=0, var_18=1, var_22=0] [L74] input_2 = __VERIFIER_nondet_uchar() [L75] input_3 = __VERIFIER_nondet_uchar() [L76] EXPR input_3 & mask_SORT_1 [L76] input_3 = input_3 & mask_SORT_1 [L77] input_4 = __VERIFIER_nondet_uchar() [L78] EXPR input_4 & mask_SORT_1 [L78] input_4 = input_4 & mask_SORT_1 [L79] input_6 = __VERIFIER_nondet_ulong() [L80] input_7 = __VERIFIER_nondet_ulong() [L81] input_8 = __VERIFIER_nondet_uchar() [L82] EXPR input_8 & mask_SORT_1 [L82] input_8 = input_8 & mask_SORT_1 [L85] SORT_9 var_15_arg_0 = state_11; [L86] SORT_9 var_15_arg_1 = state_13; [L87] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L88] SORT_1 var_19_arg_0 = var_15; [L89] SORT_1 var_19 = ~var_19_arg_0; [L90] SORT_1 var_20_arg_0 = var_18; [L91] SORT_1 var_20_arg_1 = var_19; [L92] EXPR var_20_arg_0 & var_20_arg_1 [L92] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L93] EXPR var_20 & mask_SORT_1 [L93] var_20 = var_20 & mask_SORT_1 [L94] SORT_1 bad_21_arg_0 = var_20; [L95] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND TRUE !(cond) [L22] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:26:51,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 275f3564868260c0f8bba92723013207b6a72ca364aead8f492ecb284c649797 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:26:54,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:26:54,754 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-14 04:26:54,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:26:54,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:26:54,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:26:54,836 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:26:54,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:26:54,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:26:54,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:26:54,837 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:26:54,837 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:26:54,837 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:26:54,838 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:26:54,838 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:26:54,838 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:26:54,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:26:54,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:26:54,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:26:54,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:26:54,841 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:26:54,841 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:26:54,841 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:26:54,841 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:26:54,841 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:26:54,841 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:26:54,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:26:54,841 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:26:54,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:26:54,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:26:54,842 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:26:54,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:26:54,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:26:54,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:26:54,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:26:54,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:26:54,844 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:26:54,844 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:26:54,844 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:26:54,844 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:26:54,845 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 275f3564868260c0f8bba92723013207b6a72ca364aead8f492ecb284c649797 [2024-11-14 04:26:55,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:26:55,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:26:55,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:26:55,254 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:26:55,254 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:26:55,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c Unable to find full path for "g++" [2024-11-14 04:26:57,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:26:57,927 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:26:57,927 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c [2024-11-14 04:26:57,943 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/data/c80de4b05/72c56a9df03d4303ae4c7b36d2488b46/FLAGe5e40328a [2024-11-14 04:26:57,973 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/data/c80de4b05/72c56a9df03d4303ae4c7b36d2488b46 [2024-11-14 04:26:57,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:26:57,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:26:57,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:26:57,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:26:57,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:26:57,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:26:57" (1/1) ... [2024-11-14 04:26:57,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4852ae4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:57, skipping insertion in model container [2024-11-14 04:26:57,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:26:57" (1/1) ... [2024-11-14 04:26:58,021 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:26:58,232 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c[1298,1311] [2024-11-14 04:26:58,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:26:58,332 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:26:58,344 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c[1298,1311] [2024-11-14 04:26:58,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:26:58,404 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:26:58,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:58 WrapperNode [2024-11-14 04:26:58,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:26:58,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:26:58,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:26:58,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:26:58,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:58" (1/1) ... [2024-11-14 04:26:58,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:58" (1/1) ... [2024-11-14 04:26:58,464 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 204 [2024-11-14 04:26:58,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:26:58,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:26:58,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:26:58,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:26:58,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:58" (1/1) ... [2024-11-14 04:26:58,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:58" (1/1) ... [2024-11-14 04:26:58,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:58" (1/1) ... [2024-11-14 04:26:58,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:58" (1/1) ... [2024-11-14 04:26:58,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:58" (1/1) ... [2024-11-14 04:26:58,491 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:58" (1/1) ... [2024-11-14 04:26:58,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:58" (1/1) ... [2024-11-14 04:26:58,495 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:58" (1/1) ... [2024-11-14 04:26:58,498 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:26:58,499 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:26:58,499 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:26:58,499 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:26:58,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:58" (1/1) ... [2024-11-14 04:26:58,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:26:58,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:26:58,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:26:58,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:26:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:26:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:26:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:26:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:26:58,698 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:26:58,700 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:26:59,789 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-14 04:26:59,789 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:26:59,803 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:26:59,804 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:26:59,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:26:59 BoogieIcfgContainer [2024-11-14 04:26:59,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:26:59,807 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:26:59,807 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:26:59,813 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:26:59,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:26:57" (1/3) ... [2024-11-14 04:26:59,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a92f21b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:26:59, skipping insertion in model container [2024-11-14 04:26:59,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:26:58" (2/3) ... [2024-11-14 04:26:59,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a92f21b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:26:59, skipping insertion in model container [2024-11-14 04:26:59,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:26:59" (3/3) ... [2024-11-14 04:26:59,816 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul2.c [2024-11-14 04:26:59,831 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:26:59,833 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.mul2.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:26:59,889 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:26:59,904 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2a579f6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:26:59,904 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:26:59,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:26:59,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 04:26:59,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:26:59,917 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 04:26:59,918 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:26:59,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:26:59,924 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-14 04:26:59,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:26:59,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1001967950] [2024-11-14 04:26:59,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:26:59,938 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:26:59,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:26:59,941 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:26:59,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 04:27:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:27:00,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-14 04:27:00,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:27:00,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:27:00,515 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:27:00,516 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:27:00,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1001967950] [2024-11-14 04:27:00,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1001967950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:27:00,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:27:00,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:27:00,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768440868] [2024-11-14 04:27:00,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:27:00,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:27:00,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:27:00,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:27:00,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:27:00,553 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:27:01,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:27:01,406 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2024-11-14 04:27:01,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:27:01,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-14 04:27:01,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:27:01,416 INFO L225 Difference]: With dead ends: 17 [2024-11-14 04:27:01,416 INFO L226 Difference]: Without dead ends: 9 [2024-11-14 04:27:01,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:27:01,423 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 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, 0.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:27:01,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-14 04:27:01,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-14 04:27:01,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-14 04:27:01,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:27:01,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-14 04:27:01,461 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-14 04:27:01,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:27:01,462 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-14 04:27:01,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:27:01,462 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-14 04:27:01,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 04:27:01,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:27:01,463 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-14 04:27:01,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-14 04:27:01,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:27:01,666 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:27:01,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:27:01,667 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-14 04:27:01,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:27:01,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [72486596] [2024-11-14 04:27:01,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:27:01,668 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:27:01,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:27:01,670 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:27:01,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 04:27:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:27:02,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-14 04:27:02,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:27:02,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:27:02,929 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:27:22,860 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse3 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|))) (let ((.cse1 (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|)))))))))) (.cse2 (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|)))))))))) (and (or (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|)))))))) (and .cse1 .cse2)) (or (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))))) .cse1) (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_33~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_33~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))))) .cse2)) (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|)))))))))))) is different from true [2024-11-14 04:27:30,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-11-14 04:27:30,370 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:27:30,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [72486596] [2024-11-14 04:27:30,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [72486596] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:27:30,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [546720700] [2024-11-14 04:27:30,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:27:30,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:27:30,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:27:30,386 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:27:30,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 04:27:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:27:31,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-14 04:27:31,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:27:31,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:27:31,887 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:27:54,225 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|)) (.cse3 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse2 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|))))))))) (.cse0 (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse4))))) (_ bv0 8))))) (.cse1 (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse4))))) (_ bv0 8))))) (and (or (and .cse0 .cse1) .cse2) (or (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|)))))))) (and (or .cse0 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|))))))) (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_31~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_31~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))))) .cse1))) (or .cse2 (and (or .cse0 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (not (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))))))) (or .cse1 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_31~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (not (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_31~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))))))))))))) is different from true [2024-11-14 04:28:12,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-11-14 04:28:12,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [546720700] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:28:12,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294209218] [2024-11-14 04:28:12,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:28:12,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:28:12,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:28:12,739 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:28:12,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 04:28:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:28:13,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-14 04:28:13,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:28:15,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:28:15,011 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:29:00,040 WARN L286 SmtUtils]: Spent 9.11s on a formula simplification that was a NOOP. DAG size: 65 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:29:06,744 WARN L873 $PredicateComparison]: unable to prove that (or (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)) (let ((.cse2 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse3 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|)) (.cse0 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|))))))))) (.cse1 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|)))))))))) (and (or (and .cse0 (or .cse1 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_23~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_23~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))))))) (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|))))))))) (or (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|))))))))) (and .cse0 (or .cse1 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_23~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_23~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |c_ULTIMATE.start_main_~state_13~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|)))))))))) is different from true [2024-11-14 04:29:11,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 1 times theorem prover too weak. 0 trivial. 1 not checked. [2024-11-14 04:29:11,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294209218] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:29:11,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:29:11,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 7, 6] total 15 [2024-11-14 04:29:11,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158923515] [2024-11-14 04:29:11,149 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:29:11,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-14 04:29:11,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:29:11,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-14 04:29:11,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=103, Unknown=5, NotChecked=66, Total=210 [2024-11-14 04:29:11,152 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:29:13,305 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse8 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|)) (.cse7 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse9 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|))) (let ((.cse1 (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse9 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|)))))))))) (.cse2 (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse9 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|))))))))) (.cse4 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|))))))))) (.cse3 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|))))))) (.cse0 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|))))))))) (.cse5 (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse8))))) (_ bv0 8))))) (.cse6 (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse8))))) (_ bv0 8))))) (and (or .cse0 (and .cse1 .cse2)) (= |c_ULTIMATE.start_main_~mask_SORT_1~0#1| (_ bv1 8)) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_31~0#1|) (= |c_ULTIMATE.start_main_~var_10~0#1| (_ bv0 128)) (= (_ bv1 8) |c_ULTIMATE.start_main_~state_27~0#1|) (= |c_ULTIMATE.start_main_~state_13~0#1| (_ bv0 128)) (or (and (or .cse3 .cse1) (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_33~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_33~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))))) .cse2)) .cse4) (= (_ bv1 8) |c_ULTIMATE.start_main_~state_29~0#1|) (= |c_ULTIMATE.start_main_~state_11~0#1| (_ bv0 128)) (= |c_ULTIMATE.start_main_~state_25~0#1| (_ bv0 64)) (or (and .cse5 .cse6) .cse0) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_23~0#1|) (or .cse4 (and (or .cse5 .cse3) (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_31~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_31~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))))) .cse6))) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_33~0#1|) (or .cse0 (and (or .cse5 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (not (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))))))) (or .cse6 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_31~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (not (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_31~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))))))))))))) is different from true [2024-11-14 04:29:15,500 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse10 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|)) (.cse9 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse11 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|))) (let ((.cse3 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|))))))) (.cse5 (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32))) (.cse2 (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse11 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|))))))))) (.cse1 (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse11 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|)))))))))) (.cse4 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|))))))))) (.cse6 (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) (.cse0 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|))))))))) (.cse7 (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse10))))) (_ bv0 8))))) (.cse8 (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse10))))) (_ bv0 8))))) (and (or .cse0 (and .cse1 .cse2)) (= |c_ULTIMATE.start_main_~mask_SORT_1~0#1| (_ bv1 8)) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_31~0#1|) (= |c_ULTIMATE.start_main_~var_10~0#1| (_ bv0 128)) (= (_ bv1 8) |c_ULTIMATE.start_main_~state_27~0#1|) (= |c_ULTIMATE.start_main_~state_13~0#1| (_ bv0 128)) (or (and (or .cse3 .cse1) (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_33~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_33~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))))) .cse2)) .cse4) (or .cse5 .cse6) (= (_ bv1 8) |c_ULTIMATE.start_main_~state_29~0#1|) (= |c_ULTIMATE.start_main_~state_25~0#1| (_ bv0 64)) (or (and .cse7 .cse8) .cse0) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_23~0#1|) (or .cse4 (and (or .cse7 .cse3) (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_31~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_31~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))))) .cse8))) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_33~0#1|) (or .cse5 (and (or (and .cse0 (or .cse4 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_23~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_23~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))))))) .cse2) (or .cse1 (and .cse0 (or .cse4 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_23~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_23~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |c_ULTIMATE.start_main_~state_13~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|)))))))) .cse6 (or .cse0 (and (or .cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (not (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))))))) (or .cse8 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_31~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (not (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_31~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))))))))))))) is different from true [2024-11-14 04:29:17,658 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse8 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|)) (.cse7 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse9 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|))) (let ((.cse1 (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse9 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|)))))))))) (.cse2 (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse9 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|))))))))) (.cse4 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|))))))))) (.cse3 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|))))))) (.cse0 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|))))))))) (.cse5 (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse8))))) (_ bv0 8))))) (.cse6 (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse8))))) (_ bv0 8))))) (and (or .cse0 (and .cse1 .cse2)) (= |c_ULTIMATE.start_main_~mask_SORT_1~0#1| (_ bv1 8)) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_31~0#1|) (= |c_ULTIMATE.start_main_~var_10~0#1| (_ bv0 128)) (= (_ bv1 8) |c_ULTIMATE.start_main_~state_27~0#1|) (= |c_ULTIMATE.start_main_~state_13~0#1| (_ bv0 128)) (or (and (or .cse3 .cse1) (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_33~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_33~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))))) .cse2)) .cse4) (= (_ bv1 8) |c_ULTIMATE.start_main_~state_29~0#1|) (= |c_ULTIMATE.start_main_~state_25~0#1| (_ bv0 64)) (or (and .cse5 .cse6) .cse0) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_23~0#1|) (or .cse4 (and (or .cse5 .cse3) (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_31~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_31~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))))) .cse6))) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_33~0#1|) (or .cse0 (and (or .cse5 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (not (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))))))) (or .cse6 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_31~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (not (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_31~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))))))))))))) is different from true [2024-11-14 04:29:19,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-14 04:29:21,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-14 04:29:23,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:29:25,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-14 04:29:28,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-14 04:29:28,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:29:28,122 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-14 04:29:28,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 04:29:28,123 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 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 8 [2024-11-14 04:29:28,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:29:28,123 INFO L225 Difference]: With dead ends: 14 [2024-11-14 04:29:28,123 INFO L226 Difference]: Without dead ends: 12 [2024-11-14 04:29:28,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 35.7s TimeCoverageRelationStatistics Valid=42, Invalid=106, Unknown=8, NotChecked=150, Total=306 [2024-11-14 04:29:28,125 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 51 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:29:28,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 4 Unknown, 51 Unchecked, 10.5s Time] [2024-11-14 04:29:28,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-14 04:29:28,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-14 04:29:28,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:29:28,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-14 04:29:28,131 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-14 04:29:28,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:29:28,132 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-14 04:29:28,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:29:28,132 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-14 04:29:28,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 04:29:28,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:29:28,133 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-14 04:29:28,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 04:29:28,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 04:29:28,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 04:29:28,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:29:28,734 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:29:28,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:29:28,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-14 04:29:28,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:29:28,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115464866] [2024-11-14 04:29:28,736 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:29:28,736 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:29:28,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:29:28,738 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:29:28,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-14 04:29:29,490 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 04:29:29,491 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:29:29,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-14 04:29:29,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:29:51,231 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:29:51,231 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:30:18,979 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse0 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|)))))))) (.cse1 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_26|)))) .cse4))))) (.cse2 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_26|))))))))) (.cse3 (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_23~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_25~0#1|))) |c_ULTIMATE.start_main_~mask_SORT_9~0#1|))) (and (or (not .cse0) (and .cse1 (or .cse2 (= (bvand |c_ULTIMATE.start_main_~state_13~0#1| |c_ULTIMATE.start_main_~mask_SORT_9~0#1|) .cse3)))) (or .cse0 (and .cse1 (or .cse2 (= .cse3 (bvand |c_ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_31~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_33~0#1|))))))))))) is different from true [2024-11-14 04:35:27,386 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse5 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_26|))))))))) (.cse4 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_26|)))) .cse0))))) (.cse30 (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse31 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_18~0#1|))))) (bvor .cse31 .cse31)))) .cse0)) (_ bv0 8)))) (let ((.cse28 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_3~0#1|)))) (.cse27 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_4~0#1|)))) (.cse9 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_4~0#1|)) (.cse11 (or .cse4 .cse30)) (.cse13 (or (and .cse4 (or .cse5 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|)) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (let ((.cse29 ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~var_22~0#1|)))) (bvmul .cse29 .cse29))))))) (not .cse30)))) (let ((.cse20 (and .cse11 .cse13)) (.cse6 (not .cse9)) (.cse21 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse28 .cse27))))))) (.cse22 (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) .cse28))))) (_ bv0 8))) (.cse18 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_3~0#1|)) (.cse25 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) .cse27)))))))) (let ((.cse1 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|)) (.cse7 (or .cse25 (and .cse4 (or .cse5 (forall ((|v_ULTIMATE.start_main_~state_33~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (let ((.cse26 ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~state_33~0#1_15| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (= (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) .cse26) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) .cse26))))))))) (.cse8 (not .cse25)) (.cse10 (not .cse18)) (.cse14 (or .cse22 (and (or .cse5 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (let ((.cse24 ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~var_22~0#1|)))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse24 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand (bvmul .cse24 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))))) .cse4))) (.cse12 (not .cse22)) (.cse17 (or .cse22 (and .cse4 (or .cse5 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~state_23~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (let ((.cse23 ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~state_23~0#1_15| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse23 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) .cse23))))))))) (.cse15 (or .cse4 .cse21)) (.cse16 (not .cse21)) (.cse2 (or .cse20 .cse6)) (.cse3 (or .cse20 .cse9))) (and (or (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse1))))) (_ bv0 8)))) (and (or (and .cse2 .cse3 (or (and .cse4 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|)) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse5)) .cse6) (or (and .cse7 (or .cse8 (and .cse4 (or (forall ((|v_ULTIMATE.start_main_~state_33~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~state_33~0#1_15| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|)))) .cse5)))) .cse9)) .cse10) (or (and (or (and .cse11 (or (and .cse4 (or .cse5 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~var_22~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|)))))) .cse12) .cse13 .cse14) .cse6) (or (and .cse15 (or .cse16 (and .cse4 .cse5))) .cse9) (or (and .cse15 (or .cse16 (and .cse4 (or .cse5 (forall ((|v_ULTIMATE.start_main_~state_33~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~var_22~0#1|)) ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~state_33~0#1_15| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|))))))) .cse11 .cse13) .cse9) (or (and .cse17 (or .cse12 (and .cse4 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~state_23~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~state_23~0#1_15| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|)))) .cse5)))) .cse6)) .cse18))) (or (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse1))))) (_ bv0 8))) (let ((.cse19 (and .cse2 .cse3))) (and (or (and (or (and .cse7 (or .cse8 (and .cse4 (or (forall ((|v_ULTIMATE.start_main_~state_33~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~state_33~0#1_15| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))))) .cse5)))) .cse9) (or .cse6 (and (or .cse5 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse4))) .cse10) (or .cse19 .cse10) (or .cse18 (and (or (and (or .cse16 (and .cse4 (or .cse5 (forall ((|v_ULTIMATE.start_main_~state_33~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~state_23~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~state_23~0#1_15| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~state_33~0#1_15| |ULTIMATE.start_main_~mask_SORT_5~0#1|))))))))) .cse15) .cse9) (or (and (or (and .cse4 (or .cse5 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~var_22~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))))))) .cse12) .cse14) .cse6) (or (and (or (and (or .cse5 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~state_23~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~state_23~0#1_15| |ULTIMATE.start_main_~mask_SORT_5~0#1|))))))) .cse4) .cse12) .cse17) .cse6) (or (and .cse15 (or (and .cse4 (or (forall ((|v_ULTIMATE.start_main_~state_33~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~var_22~0#1|)) ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~state_33~0#1_15| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))))) .cse5)) .cse16)) .cse9))) (or .cse18 .cse19)))))))))) is different from true [2024-11-14 04:37:35,963 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse11 (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse24 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_18~0#1|))))) (bvor .cse24 .cse24)))) .cse0)) (_ bv0 8))) (.cse4 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_26|)))) .cse0))))) (.cse5 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_26|))))))))) (.cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|)) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (let ((.cse23 ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~var_22~0#1|)))) (bvmul .cse23 .cse23))))))) (let ((.cse10 (and .cse4 (or .cse5 .cse7))) (.cse6 (not .cse11))) (let ((.cse19 (and (or .cse4 .cse11) (or .cse10 .cse6))) (.cse8 (forall ((|v_ULTIMATE.start_main_#t~nondet14#1_26| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet14#1_26|) .cse0)) (_ bv0 8))))) (.cse9 (forall ((|v_ULTIMATE.start_main_#t~nondet14#1_26| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet14#1_26|) .cse0)) (_ bv0 8))))) (let ((.cse3 (or .cse5 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (let ((.cse22 ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~var_22~0#1|)))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse22 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand (bvmul .cse22 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)))))) (.cse12 (or .cse4 .cse9)) (.cse13 (or .cse8 (and .cse4 (or .cse5 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~state_23~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (let ((.cse21 ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~state_23~0#1_15| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse21 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) .cse21))))))))) (.cse2 (forall ((|v_ULTIMATE.start_main_#t~nondet13#1_26| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet13#1_26|))) (_ bv0 8)))) (.cse14 (forall ((|v_ULTIMATE.start_main_#t~nondet13#1_26| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet13#1_26|))) (_ bv0 8))))) (.cse15 (or .cse9 (and .cse4 (or .cse5 (forall ((|v_ULTIMATE.start_main_~state_33~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (let ((.cse20 ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~state_33~0#1_15| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (= (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) .cse20) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) .cse20))))))))) (.cse16 (or .cse9 .cse19)) (.cse17 (or .cse19 .cse8)) (.cse1 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|))) (and (or (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse1))))) (_ bv0 8)))) (and (or .cse2 (and (or (and .cse3 .cse4 (or .cse5 .cse6 .cse7)) .cse8) (or .cse9 .cse10 .cse6) (or .cse4 .cse11 .cse9) .cse12 .cse13)) (or .cse14 (and .cse15 .cse16 (or (and .cse4 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|)) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse5)) .cse8) .cse17)))) (or (let ((.cse18 (and .cse16 .cse17))) (and (or (and (or .cse8 (and .cse3 .cse4)) .cse12 .cse13) .cse2) (or .cse18 .cse2) (or .cse18 .cse14) (or .cse14 (and (or .cse8 (and (or .cse5 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse4)) .cse15)))) (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse1))))) (_ bv0 8)))))))))) is different from false [2024-11-14 04:37:38,127 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse11 (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse24 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_18~0#1|))))) (bvor .cse24 .cse24)))) .cse0)) (_ bv0 8))) (.cse4 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_26|)))) .cse0))))) (.cse5 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_26|))))))))) (.cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|)) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (let ((.cse23 ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~var_22~0#1|)))) (bvmul .cse23 .cse23))))))) (let ((.cse10 (and .cse4 (or .cse5 .cse7))) (.cse6 (not .cse11))) (let ((.cse19 (and (or .cse4 .cse11) (or .cse10 .cse6))) (.cse8 (forall ((|v_ULTIMATE.start_main_#t~nondet14#1_26| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet14#1_26|) .cse0)) (_ bv0 8))))) (.cse9 (forall ((|v_ULTIMATE.start_main_#t~nondet14#1_26| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet14#1_26|) .cse0)) (_ bv0 8))))) (let ((.cse3 (or .cse5 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (let ((.cse22 ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~var_22~0#1|)))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse22 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand (bvmul .cse22 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)))))) (.cse12 (or .cse4 .cse9)) (.cse13 (or .cse8 (and .cse4 (or .cse5 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~state_23~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (let ((.cse21 ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~state_23~0#1_15| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse21 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) .cse21))))))))) (.cse2 (forall ((|v_ULTIMATE.start_main_#t~nondet13#1_26| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet13#1_26|))) (_ bv0 8)))) (.cse14 (forall ((|v_ULTIMATE.start_main_#t~nondet13#1_26| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet13#1_26|))) (_ bv0 8))))) (.cse15 (or .cse9 (and .cse4 (or .cse5 (forall ((|v_ULTIMATE.start_main_~state_33~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (let ((.cse20 ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~state_33~0#1_15| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (= (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) .cse20) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) .cse20))))))))) (.cse16 (or .cse9 .cse19)) (.cse17 (or .cse19 .cse8)) (.cse1 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|))) (and (or (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse1))))) (_ bv0 8)))) (and (or .cse2 (and (or (and .cse3 .cse4 (or .cse5 .cse6 .cse7)) .cse8) (or .cse9 .cse10 .cse6) (or .cse4 .cse11 .cse9) .cse12 .cse13)) (or .cse14 (and .cse15 .cse16 (or (and .cse4 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|)) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse5)) .cse8) .cse17)))) (or (let ((.cse18 (and .cse16 .cse17))) (and (or (and (or .cse8 (and .cse3 .cse4)) .cse12 .cse13) .cse2) (or .cse18 .cse2) (or .cse18 .cse14) (or .cse14 (and (or .cse8 (and (or .cse5 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse4)) .cse15)))) (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse1))))) (_ bv0 8)))))))))) is different from true [2024-11-14 04:37:38,463 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 7 not checked. [2024-11-14 04:37:38,463 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:37:38,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115464866] [2024-11-14 04:37:38,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2115464866] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:37:38,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [243462855] [2024-11-14 04:37:38,464 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:37:38,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:37:38,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:37:38,469 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:37:38,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24207c4-26ff-40cf-9170-8aeb52670675/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process