./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.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_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/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_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/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_4622bba9-894a-478f-a8a5-df05bd6ccddd/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 a5a3a60dd79607bf0bca68238db6212890020658ef1f1435f68d731a8509f7ab --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:58:13,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:58:13,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 02:58:13,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:58:13,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:58:13,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:58:13,694 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:58:13,694 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:58:13,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:58:13,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:58:13,694 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:58:13,694 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:58:13,695 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:58:13,695 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:58:13,695 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:58:13,695 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:58:13,697 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:58:13,697 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:58:13,698 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:58:13,698 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:58:13,698 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:58:13,698 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:58:13,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:58:13,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:58:13,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:58:13,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:58:13,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:58:13,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:58:13,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:58:13,699 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:58:13,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:58:13,699 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:58:13,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:58:13,700 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:58:13,700 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:58:13,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:58:13,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:58:13,700 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:58:13,700 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:58:13,700 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:58:13,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:58:13,700 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:58:13,700 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:58:13,701 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:58:13,701 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_4622bba9-894a-478f-a8a5-df05bd6ccddd/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 -> a5a3a60dd79607bf0bca68238db6212890020658ef1f1435f68d731a8509f7ab [2024-11-14 02:58:14,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:58:14,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:58:14,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:58:14,049 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:58:14,049 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:58:14,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.c Unable to find full path for "g++" [2024-11-14 02:58:16,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:58:16,380 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:58:16,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.c [2024-11-14 02:58:16,391 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/data/cf9c87836/73db19c5cf19410dacb8e47481814135/FLAGc220bae2f [2024-11-14 02:58:16,407 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/data/cf9c87836/73db19c5cf19410dacb8e47481814135 [2024-11-14 02:58:16,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:58:16,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:58:16,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:58:16,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:58:16,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:58:16,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:58:16" (1/1) ... [2024-11-14 02:58:16,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@340ec6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:16, skipping insertion in model container [2024-11-14 02:58:16,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:58:16" (1/1) ... [2024-11-14 02:58:16,475 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:58:16,641 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_4622bba9-894a-478f-a8a5-df05bd6ccddd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.c[1244,1257] [2024-11-14 02:58:16,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:58:16,847 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:58:16,856 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_4622bba9-894a-478f-a8a5-df05bd6ccddd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.c[1244,1257] [2024-11-14 02:58:17,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:58:17,018 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:58:17,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:17 WrapperNode [2024-11-14 02:58:17,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:58:17,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:58:17,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:58:17,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:58:17,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:17" (1/1) ... [2024-11-14 02:58:17,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:17" (1/1) ... [2024-11-14 02:58:17,315 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1761 [2024-11-14 02:58:17,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:58:17,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:58:17,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:58:17,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:58:17,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:17" (1/1) ... [2024-11-14 02:58:17,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:17" (1/1) ... [2024-11-14 02:58:17,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:17" (1/1) ... [2024-11-14 02:58:17,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:17" (1/1) ... [2024-11-14 02:58:17,497 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:17" (1/1) ... [2024-11-14 02:58:17,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:17" (1/1) ... [2024-11-14 02:58:17,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:17" (1/1) ... [2024-11-14 02:58:17,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:17" (1/1) ... [2024-11-14 02:58:17,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:58:17,652 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:58:17,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:58:17,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:58:17,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:17" (1/1) ... [2024-11-14 02:58:17,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:58:17,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:58:17,693 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:58:17,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:58:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:58:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:58:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:58:17,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:58:18,033 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:58:18,035 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:58:20,949 INFO L? ?]: Removed 896 outVars from TransFormulas that were not future-live. [2024-11-14 02:58:20,950 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:58:24,516 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:58:24,520 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:58:24,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:58:24 BoogieIcfgContainer [2024-11-14 02:58:24,521 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:58:24,524 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:58:24,525 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:58:24,531 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:58:24,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:58:16" (1/3) ... [2024-11-14 02:58:24,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dcac250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:58:24, skipping insertion in model container [2024-11-14 02:58:24,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:17" (2/3) ... [2024-11-14 02:58:24,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dcac250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:58:24, skipping insertion in model container [2024-11-14 02:58:24,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:58:24" (3/3) ... [2024-11-14 02:58:24,535 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul9.c [2024-11-14 02:58:24,556 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:58:24,558 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.mul9.c that has 1 procedures, 7 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:58:24,629 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:58:24,650 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;@597ea6ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:58:24,651 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:58:24,657 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 02:58:24,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 02:58:24,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:24,667 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 02:58:24,668 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:58:24,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:24,674 INFO L85 PathProgramCache]: Analyzing trace with hash 77501557, now seen corresponding path program 1 times [2024-11-14 02:58:24,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:58:24,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048514223] [2024-11-14 02:58:24,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:24,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:58:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:58:25,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:58:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:58:26,422 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 02:58:26,427 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:58:26,429 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 02:58:26,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:58:26,436 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 02:58:26,486 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:58:26,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:58:26 BoogieIcfgContainer [2024-11-14 02:58:26,492 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:58:26,494 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:58:26,494 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:58:26,494 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:58:26,495 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:58:24" (3/4) ... [2024-11-14 02:58:26,498 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 02:58:26,500 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:58:26,501 INFO L158 Benchmark]: Toolchain (without parser) took 10089.81ms. Allocated memory was 117.4MB in the beginning and 511.7MB in the end (delta: 394.3MB). Free memory was 91.9MB in the beginning and 180.4MB in the end (delta: -88.5MB). Peak memory consumption was 303.4MB. Max. memory is 16.1GB. [2024-11-14 02:58:26,501 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:58:26,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 605.95ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 60.4MB in the end (delta: 31.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 02:58:26,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 295.76ms. Allocated memory is still 117.4MB. Free memory was 60.4MB in the beginning and 70.3MB in the end (delta: -9.9MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2024-11-14 02:58:26,506 INFO L158 Benchmark]: Boogie Preprocessor took 334.01ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 62.2MB in the end (delta: 8.1MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-11-14 02:58:26,507 INFO L158 Benchmark]: RCFGBuilder took 6868.75ms. Allocated memory was 117.4MB in the beginning and 511.7MB in the end (delta: 394.3MB). Free memory was 62.1MB in the beginning and 318.1MB in the end (delta: -256.0MB). Peak memory consumption was 232.0MB. Max. memory is 16.1GB. [2024-11-14 02:58:26,507 INFO L158 Benchmark]: TraceAbstraction took 1967.58ms. Allocated memory is still 511.7MB. Free memory was 318.1MB in the beginning and 180.4MB in the end (delta: 137.7MB). Peak memory consumption was 134.2MB. Max. memory is 16.1GB. [2024-11-14 02:58:26,507 INFO L158 Benchmark]: Witness Printer took 6.15ms. Allocated memory is still 511.7MB. Free memory is still 180.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:58:26,510 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 605.95ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 60.4MB in the end (delta: 31.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 295.76ms. Allocated memory is still 117.4MB. Free memory was 60.4MB in the beginning and 70.3MB in the end (delta: -9.9MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 334.01ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 62.2MB in the end (delta: 8.1MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * RCFGBuilder took 6868.75ms. Allocated memory was 117.4MB in the beginning and 511.7MB in the end (delta: 394.3MB). Free memory was 62.1MB in the beginning and 318.1MB in the end (delta: -256.0MB). Peak memory consumption was 232.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1967.58ms. Allocated memory is still 511.7MB. Free memory was 318.1MB in the beginning and 180.4MB in the end (delta: 137.7MB). Peak memory consumption was 134.2MB. Max. memory is 16.1GB. * Witness Printer took 6.15ms. Allocated memory is still 511.7MB. Free memory is still 180.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 150, overapproximation of bitwiseAnd at line 58. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 32); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L32] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 64); [L33] const SORT_10 msb_SORT_10 = (SORT_10)1 << (64 - 1); [L35] const SORT_215 mask_SORT_215 = (SORT_215)-1 >> (sizeof(SORT_215) * 8 - 4); [L36] const SORT_215 msb_SORT_215 = (SORT_215)1 << (4 - 1); [L38] const SORT_217 mask_SORT_217 = (SORT_217)-1 >> (sizeof(SORT_217) * 8 - 60); [L39] const SORT_217 msb_SORT_217 = (SORT_217)1 << (60 - 1); [L41] const SORT_10 var_11 = 0; [L42] const SORT_1 var_14 = 0; [L43] const SORT_3 var_24 = 0; [L44] const SORT_1 var_51 = 1; [L45] const SORT_3 var_204 = 1; [L46] const SORT_3 var_208 = 3735928559; [L47] const SORT_3 var_211 = 12245771; [L48] const SORT_215 var_216 = 0; [L50] SORT_1 input_2; [L51] SORT_3 input_4; [L52] SORT_3 input_5; [L53] SORT_1 input_6; [L54] SORT_1 input_7; [L55] SORT_1 input_8; [L56] SORT_1 input_9; [L58] EXPR __VERIFIER_nondet_ulong() & mask_SORT_10 [L58] SORT_10 state_12 = __VERIFIER_nondet_ulong() & mask_SORT_10; [L59] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L59] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L60] EXPR __VERIFIER_nondet_ulong() & mask_SORT_10 [L60] SORT_10 state_18 = __VERIFIER_nondet_ulong() & mask_SORT_10; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L61] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L62] SORT_3 state_25 = __VERIFIER_nondet_uint() & mask_SORT_3; [L63] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L63] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L64] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L64] SORT_3 state_30 = __VERIFIER_nondet_uint() & mask_SORT_3; [L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L65] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L66] SORT_3 state_37 = __VERIFIER_nondet_uint() & mask_SORT_3; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L67] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L68] SORT_3 state_42 = __VERIFIER_nondet_uint() & mask_SORT_3; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L69] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L70] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L71] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L72] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L73] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L74] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L75] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L76] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L79] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L80] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L82] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L83] SORT_1 state_220 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_251 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_264 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L86] SORT_1 state_269 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] SORT_10 init_13_arg_1 = var_11; [L89] state_12 = init_13_arg_1 [L90] SORT_1 init_16_arg_1 = var_14; [L91] state_15 = init_16_arg_1 [L92] SORT_10 init_19_arg_1 = var_11; [L93] state_18 = init_19_arg_1 [L94] SORT_1 init_21_arg_1 = var_14; [L95] state_20 = init_21_arg_1 [L96] SORT_3 init_26_arg_1 = var_24; [L97] state_25 = init_26_arg_1 [L98] SORT_1 init_28_arg_1 = var_14; [L99] state_27 = init_28_arg_1 [L100] SORT_3 init_31_arg_1 = var_24; [L101] state_30 = init_31_arg_1 [L102] SORT_1 init_33_arg_1 = var_14; [L103] state_32 = init_33_arg_1 [L104] SORT_3 init_38_arg_1 = var_24; [L105] state_37 = init_38_arg_1 [L106] SORT_1 init_40_arg_1 = var_14; [L107] state_39 = init_40_arg_1 [L108] SORT_3 init_43_arg_1 = var_24; [L109] state_42 = init_43_arg_1 [L110] SORT_1 init_45_arg_1 = var_14; [L111] state_44 = init_45_arg_1 [L112] SORT_1 init_62_arg_1 = var_14; [L113] state_61 = init_62_arg_1 [L114] SORT_1 init_64_arg_1 = var_14; [L115] state_63 = init_64_arg_1 [L116] SORT_1 init_66_arg_1 = var_14; [L117] state_65 = init_66_arg_1 [L118] SORT_1 init_68_arg_1 = var_14; [L119] state_67 = init_68_arg_1 [L120] SORT_1 init_70_arg_1 = var_14; [L121] state_69 = init_70_arg_1 [L122] SORT_1 init_72_arg_1 = var_14; [L123] state_71 = init_72_arg_1 [L124] SORT_1 init_74_arg_1 = var_14; [L125] state_73 = init_74_arg_1 [L126] SORT_1 init_76_arg_1 = var_14; [L127] state_75 = init_76_arg_1 [L128] SORT_1 init_78_arg_1 = var_14; [L129] state_77 = init_78_arg_1 [L130] SORT_1 init_80_arg_1 = var_14; [L131] state_79 = init_80_arg_1 [L132] SORT_1 init_82_arg_1 = var_14; [L133] state_81 = init_82_arg_1 [L134] SORT_1 init_84_arg_1 = var_14; [L135] state_83 = init_84_arg_1 [L136] SORT_1 init_86_arg_1 = var_14; [L137] state_85 = init_86_arg_1 [L138] SORT_1 init_221_arg_1 = var_14; [L139] state_220 = init_221_arg_1 [L140] SORT_1 init_252_arg_1 = var_14; [L141] state_251 = init_252_arg_1 [L142] SORT_1 init_265_arg_1 = var_14; [L143] state_264 = init_265_arg_1 [L144] SORT_1 init_270_arg_1 = var_14; [L145] state_269 = init_270_arg_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_12=0, state_15=0, state_18=0, state_20=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L148] input_2 = __VERIFIER_nondet_uchar() [L149] input_4 = __VERIFIER_nondet_uint() [L150] EXPR input_4 & mask_SORT_3 [L150] input_4 = input_4 & mask_SORT_3 [L151] input_5 = __VERIFIER_nondet_uint() [L152] EXPR input_5 & mask_SORT_3 [L152] input_5 = input_5 & mask_SORT_3 [L153] input_6 = __VERIFIER_nondet_uchar() [L154] EXPR input_6 & mask_SORT_1 [L154] input_6 = input_6 & mask_SORT_1 [L155] input_7 = __VERIFIER_nondet_uchar() [L156] EXPR input_7 & mask_SORT_1 [L156] input_7 = input_7 & mask_SORT_1 [L157] input_8 = __VERIFIER_nondet_uchar() [L158] EXPR input_8 & mask_SORT_1 [L158] input_8 = input_8 & mask_SORT_1 [L159] input_9 = __VERIFIER_nondet_uchar() [L160] EXPR input_9 & mask_SORT_1 [L160] input_9 = input_9 & mask_SORT_1 [L163] SORT_1 var_17_arg_0 = state_15; [L164] SORT_10 var_17_arg_1 = state_12; [L165] SORT_10 var_17_arg_2 = var_11; [L166] SORT_10 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L167] EXPR var_17 & mask_SORT_10 [L167] var_17 = var_17 & mask_SORT_10 [L168] SORT_1 var_22_arg_0 = state_20; [L169] SORT_10 var_22_arg_1 = state_18; [L170] SORT_10 var_22_arg_2 = var_11; [L171] SORT_10 var_22 = var_22_arg_0 ? var_22_arg_1 : var_22_arg_2; [L172] EXPR var_22 & mask_SORT_10 [L172] var_22 = var_22 & mask_SORT_10 [L173] SORT_10 var_23_arg_0 = var_17; [L174] SORT_10 var_23_arg_1 = var_22; [L175] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L176] SORT_1 var_29_arg_0 = state_27; [L177] SORT_3 var_29_arg_1 = state_25; [L178] SORT_3 var_29_arg_2 = var_24; [L179] SORT_3 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L180] EXPR var_29 & mask_SORT_3 [L180] var_29 = var_29 & mask_SORT_3 [L181] SORT_1 var_34_arg_0 = state_32; [L182] SORT_3 var_34_arg_1 = state_30; [L183] SORT_3 var_34_arg_2 = var_24; [L184] SORT_3 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L185] EXPR var_34 & mask_SORT_3 [L185] var_34 = var_34 & mask_SORT_3 [L186] SORT_3 var_35_arg_0 = var_29; [L187] SORT_3 var_35_arg_1 = var_34; [L188] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L189] SORT_1 var_36_arg_0 = var_23; [L190] SORT_1 var_36_arg_1 = var_35; [L191] EXPR var_36_arg_0 & var_36_arg_1 [L191] SORT_1 var_36 = var_36_arg_0 & var_36_arg_1; [L192] SORT_1 var_41_arg_0 = state_39; [L193] SORT_3 var_41_arg_1 = state_37; [L194] SORT_3 var_41_arg_2 = var_24; [L195] SORT_3 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L196] EXPR var_41 & mask_SORT_3 [L196] var_41 = var_41 & mask_SORT_3 [L197] SORT_1 var_46_arg_0 = state_44; [L198] SORT_3 var_46_arg_1 = state_42; [L199] SORT_3 var_46_arg_2 = var_24; [L200] SORT_3 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L201] EXPR var_46 & mask_SORT_3 [L201] var_46 = var_46 & mask_SORT_3 [L202] SORT_3 var_47_arg_0 = var_41; [L203] SORT_3 var_47_arg_1 = var_46; [L204] SORT_1 var_47 = var_47_arg_0 == var_47_arg_1; [L205] SORT_1 var_48_arg_0 = var_36; [L206] SORT_1 var_48_arg_1 = var_47; [L207] EXPR var_48_arg_0 & var_48_arg_1 [L207] SORT_1 var_48 = var_48_arg_0 & var_48_arg_1; [L208] SORT_1 var_52_arg_0 = var_48; [L209] SORT_1 var_52 = ~var_52_arg_0; [L210] SORT_1 var_53_arg_0 = var_51; [L211] SORT_1 var_53_arg_1 = var_52; [L212] EXPR var_53_arg_0 & var_53_arg_1 [L212] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L213] EXPR var_53 & mask_SORT_1 [L213] var_53 = var_53 & mask_SORT_1 [L214] SORT_1 bad_54_arg_0 = var_53; [L215] CALL __VERIFIER_assert(!(bad_54_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, 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, 1.0s 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 02:58:26,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/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_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/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_4622bba9-894a-478f-a8a5-df05bd6ccddd/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 a5a3a60dd79607bf0bca68238db6212890020658ef1f1435f68d731a8509f7ab --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:58:29,578 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:58:29,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-14 02:58:29,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:58:29,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:58:29,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:58:29,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:58:29,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:58:29,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:58:29,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:58:29,755 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:58:29,756 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:58:29,756 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:58:29,756 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:58:29,756 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:58:29,757 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:58:29,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:58:29,757 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:58:29,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:58:29,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:58:29,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:58:29,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:58:29,758 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 02:58:29,758 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 02:58:29,758 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:58:29,759 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 02:58:29,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:58:29,759 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:58:29,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:58:29,759 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 02:58:29,759 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:58:29,759 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:58:29,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:58:29,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:58:29,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:58:29,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:58:29,761 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 02:58:29,761 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 02:58:29,761 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:58:29,761 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:58:29,761 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_4622bba9-894a-478f-a8a5-df05bd6ccddd/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 -> a5a3a60dd79607bf0bca68238db6212890020658ef1f1435f68d731a8509f7ab [2024-11-14 02:58:30,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:58:30,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:58:30,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:58:30,095 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:58:30,095 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:58:30,096 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.c Unable to find full path for "g++" [2024-11-14 02:58:32,112 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:58:32,460 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:58:32,461 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.c [2024-11-14 02:58:32,472 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/data/13bec2fca/1e6cf64a0d2849cea6b7c362909dcff7/FLAG3f5fddfc8 [2024-11-14 02:58:32,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/data/13bec2fca/1e6cf64a0d2849cea6b7c362909dcff7 [2024-11-14 02:58:32,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:58:32,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:58:32,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:58:32,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:58:32,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:58:32,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:58:32" (1/1) ... [2024-11-14 02:58:32,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aa82bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:32, skipping insertion in model container [2024-11-14 02:58:32,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:58:32" (1/1) ... [2024-11-14 02:58:32,554 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:58:32,750 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_4622bba9-894a-478f-a8a5-df05bd6ccddd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.c[1244,1257] [2024-11-14 02:58:32,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:58:32,981 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:58:32,992 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_4622bba9-894a-478f-a8a5-df05bd6ccddd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.c[1244,1257] [2024-11-14 02:58:33,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:58:33,165 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:58:33,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:33 WrapperNode [2024-11-14 02:58:33,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:58:33,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:58:33,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:58:33,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:58:33,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:33" (1/1) ... [2024-11-14 02:58:33,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:33" (1/1) ... [2024-11-14 02:58:33,245 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 735 [2024-11-14 02:58:33,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:58:33,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:58:33,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:58:33,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:58:33,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:33" (1/1) ... [2024-11-14 02:58:33,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:33" (1/1) ... [2024-11-14 02:58:33,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:33" (1/1) ... [2024-11-14 02:58:33,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:33" (1/1) ... [2024-11-14 02:58:33,292 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:33" (1/1) ... [2024-11-14 02:58:33,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:33" (1/1) ... [2024-11-14 02:58:33,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:33" (1/1) ... [2024-11-14 02:58:33,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:33" (1/1) ... [2024-11-14 02:58:33,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:58:33,325 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:58:33,325 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:58:33,325 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:58:33,326 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:33" (1/1) ... [2024-11-14 02:58:33,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:58:33,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:58:33,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:58:33,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:58:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:58:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 02:58:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:58:33,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:58:33,652 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:58:33,654 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:58:35,027 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2024-11-14 02:58:35,028 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:58:35,037 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:58:35,038 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:58:35,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:58:35 BoogieIcfgContainer [2024-11-14 02:58:35,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:58:35,041 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:58:35,041 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:58:35,047 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:58:35,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:58:32" (1/3) ... [2024-11-14 02:58:35,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e128a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:58:35, skipping insertion in model container [2024-11-14 02:58:35,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:33" (2/3) ... [2024-11-14 02:58:35,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e128a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:58:35, skipping insertion in model container [2024-11-14 02:58:35,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:58:35" (3/3) ... [2024-11-14 02:58:35,049 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul9.c [2024-11-14 02:58:35,066 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:58:35,067 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.mul9.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:58:35,125 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:58:35,140 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;@3709e250, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:58:35,140 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:58:35,145 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 02:58:35,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 02:58:35,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:35,151 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 02:58:35,152 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:58:35,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:35,159 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-14 02:58:35,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:58:35,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1746079150] [2024-11-14 02:58:35,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:35,174 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 02:58:35,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:58:35,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/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 02:58:35,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/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 02:58:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:58:35,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-14 02:58:35,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:58:36,305 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 02:58:36,305 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:58:36,306 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:58:36,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1746079150] [2024-11-14 02:58:36,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1746079150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:58:36,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:58:36,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 02:58:36,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281245315] [2024-11-14 02:58:36,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:58:36,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:58:36,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:58:36,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:58:36,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:58:36,339 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 02:58:36,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:58:36,751 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2024-11-14 02:58:36,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 02:58:36,754 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 02:58:36,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:58:36,762 INFO L225 Difference]: With dead ends: 17 [2024-11-14 02:58:36,762 INFO L226 Difference]: Without dead ends: 9 [2024-11-14 02:58:36,765 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 02:58:36,769 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 02:58:36,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 02:58:36,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-14 02:58:36,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-14 02:58:36,794 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 02:58:36,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-14 02:58:36,800 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-14 02:58:36,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:58:36,802 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-14 02:58:36,802 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 02:58:36,803 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-14 02:58:36,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 02:58:36,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:36,803 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-14 02:58:36,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/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)] Ended with exit code 0 [2024-11-14 02:58:37,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/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 02:58:37,007 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:58:37,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:37,008 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-14 02:58:37,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:58:37,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510197251] [2024-11-14 02:58:37,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:37,009 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 02:58:37,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:58:37,016 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/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 02:58:37,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/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 02:58:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:58:37,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-14 02:58:37,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:58:39,882 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 02:58:39,883 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:59:28,136 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 02:59:28,137 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:59:28,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510197251] [2024-11-14 02:59:28,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [510197251] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:59:28,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1479641080] [2024-11-14 02:59:28,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:59:28,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 02:59:28,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 02:59:28,140 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 02:59:28,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 02:59:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:59:28,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-14 02:59:28,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:59:31,428 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 02:59:31,429 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:00:31,289 WARN L286 SmtUtils]: Spent 37.63s on a formula simplification that was a NOOP. DAG size: 152 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:00:53,071 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse43 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_9~0#1|)) (.cse24 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse45 (forall ((|v_ULTIMATE.start_main_~var_53_arg_0~0#1_15| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_0~0#1_15|) (_ bv254 32))))))))) (.cse49 (not .cse43)) (.cse47 (forall ((|v_ULTIMATE.start_main_~var_53_arg_0~0#1_15| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_0~0#1_15|) (_ bv255 32)))) .cse24)) (_ bv0 8))))) (let ((.cse20 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_8~0#1|)) (.cse48 (or .cse49 .cse47)) (.cse42 (or .cse45 .cse49))) (let ((.cse33 (and (or .cse43 .cse45) .cse42)) (.cse31 (and .cse48 (or .cse43 .cse47))) (.cse41 (not .cse20)) (.cse46 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 32)) (|v_ULTIMATE.start_main_~state_42~0#1_12| (_ BitVec 32))) (not (= (bvand |v_ULTIMATE.start_main_~state_42~0#1_12| |c_ULTIMATE.start_main_~mask_SORT_3~0#1|) (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |ULTIMATE.start_main_~input_5~0#1|))))) (.cse44 (or .cse47 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 32)) (|v_ULTIMATE.start_main_~state_42~0#1_12| (_ BitVec 32))) (= (bvand |v_ULTIMATE.start_main_~state_42~0#1_12| |c_ULTIMATE.start_main_~mask_SORT_3~0#1|) (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |ULTIMATE.start_main_~input_5~0#1|)))))) (let ((.cse21 (and (or .cse43 (and (or .cse46 .cse47) .cse44)) .cse48)) (.cse22 (and .cse42 (or .cse43 (and .cse44 (or .cse45 .cse46))))) (.cse3 (= |c_ULTIMATE.start_main_~state_251~0#1| (_ bv0 8))) (.cse0 (= |c_ULTIMATE.start_main_~state_269~0#1| (_ bv0 8))) (.cse5 (or .cse31 .cse41)) (.cse7 (or .cse20 .cse31)) (.cse4 (or .cse33 .cse41)) (.cse6 (or .cse33 .cse20))) (let ((.cse2 (and .cse4 .cse6)) (.cse9 (and .cse5 .cse7)) (.cse23 ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_9~0#1|)) (.cse25 ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_8~0#1|)) (.cse10 (not .cse0)) (.cse12 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_17_arg_1~0#1_15| (_ BitVec 64))) (not (= (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |v_ULTIMATE.start_main_~var_17_arg_1~0#1_15| |ULTIMATE.start_main_~mask_SORT_10~0#1|))))) (.cse13 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_17_arg_1~0#1_15| (_ BitVec 64))) (= (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |v_ULTIMATE.start_main_~var_17_arg_1~0#1_15| |ULTIMATE.start_main_~mask_SORT_10~0#1|)))) (.cse15 (not .cse3)) (.cse8 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_22_arg_1~0#1_15| (_ BitVec 64))) (= (bvand |v_ULTIMATE.start_main_~var_22_arg_1~0#1_15| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|)))) (.cse1 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_22_arg_1~0#1_15| (_ BitVec 64))) (not (= (bvand |v_ULTIMATE.start_main_~var_22_arg_1~0#1_15| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|))))) (.cse16 (or .cse22 .cse41)) (.cse18 (or .cse21 .cse41)) (.cse30 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 32)) (|v_ULTIMATE.start_main_~state_30~0#1_12| (_ BitVec 32))) (not (= (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |ULTIMATE.start_main_~input_4~0#1|) (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~state_30~0#1_12|))))) (.cse34 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 32)) (|v_ULTIMATE.start_main_~state_30~0#1_12| (_ BitVec 32))) (= (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |ULTIMATE.start_main_~input_4~0#1|) (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~state_30~0#1_12|))))) (and (or .cse0 (and (or .cse1 .cse2) (or .cse3 (and .cse4 .cse5 .cse6 .cse7)) (or .cse8 .cse9))) (or (let ((.cse19 (or .cse22 .cse20)) (.cse17 (or .cse20 .cse21))) (let ((.cse14 (and .cse17 .cse18)) (.cse11 (and .cse16 .cse19))) (and (or .cse10 (and (or .cse3 (and (or .cse11 .cse12) (or .cse13 .cse14))) (or .cse15 .cse11))) (or (and (or .cse3 (and .cse16 .cse17 .cse18 .cse19)) (or .cse8 .cse14) (or .cse1 .cse11)) .cse0)))) (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|))))))) .cse24)))))) (or (and (or .cse15 .cse2) (or .cse3 (and (or .cse12 .cse2) (or .cse13 .cse9)))) .cse10) (or (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))) .cse25)))))))) (let ((.cse32 (or .cse34 .cse31))) (let ((.cse26 (or (and .cse32 (or .cse33 .cse30)) .cse20)) (.cse27 (or .cse20 (and (or .cse30 .cse31) .cse32)))) (let ((.cse29 (and .cse5 .cse27)) (.cse28 (and .cse4 .cse26))) (and (or .cse0 (and (or .cse3 (and .cse4 .cse26 .cse5 .cse27)) (or .cse1 .cse28) (or .cse8 .cse29))) (or .cse10 (and (or .cse3 (and (or .cse13 .cse29) (or .cse28 .cse12))) (or .cse15 .cse28)))))))) (or (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (let ((.cse35 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse23 .cse35))) .cse24)))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse35 .cse25)))))))))) (let ((.cse40 (or .cse34 .cse21))) (let ((.cse38 (or .cse20 (and (or .cse22 .cse30) .cse40))) (.cse39 (or (and (or .cse21 .cse30) .cse40) .cse20))) (let ((.cse37 (and .cse39 .cse18)) (.cse36 (and .cse16 .cse38))) (and (or .cse10 (and (or .cse3 (and (or .cse36 .cse12) (or .cse37 .cse13))) (or .cse36 .cse15))) (or .cse0 (and (or .cse37 .cse8) (or .cse36 .cse1) (or .cse3 (and .cse16 .cse38 .cse39 .cse18)))))))))))))))) is different from false [2024-11-14 03:01:40,282 WARN L286 SmtUtils]: Spent 5.78s on a formula simplification that was a NOOP. DAG size: 160 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:01:40,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-11-14 03:01:40,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1479641080] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:01:40,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506200897] [2024-11-14 03:01:40,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:01:40,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:01:40,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:01:40,518 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:01:40,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 03:01:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:01:40,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-14 03:01:40,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:01:50,809 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 03:01:50,809 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:03:04,129 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse46 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_9~0#1|)) (.cse22 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse51 (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |c_ULTIMATE.start_main_~state_42~0#1|)) (.cse48 (forall ((|v_ULTIMATE.start_main_~var_53_arg_0~0#1_15| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_0~0#1_15|) (_ bv254 32))))))))) (.cse52 (not .cse46)) (.cse47 (forall ((|v_ULTIMATE.start_main_~var_53_arg_0~0#1_15| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_0~0#1_15|) (_ bv255 32)))) .cse22)) (_ bv0 8))))) (let ((.cse14 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_8~0#1|)) (.cse29 (or .cse52 .cse47)) (.cse28 (or .cse48 .cse52)) (.cse50 (or (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 32))) (= .cse51 (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |ULTIMATE.start_main_~input_5~0#1|))) .cse47)) (.cse49 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 32))) (not (= .cse51 (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |ULTIMATE.start_main_~input_5~0#1|)))))) (let ((.cse30 (or .cse46 (and .cse50 (or .cse49 .cse47)))) (.cse45 (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |c_ULTIMATE.start_main_~state_30~0#1|)) (.cse27 (or .cse46 (and (or .cse48 .cse49) .cse50))) (.cse1 (= |c_ULTIMATE.start_main_~state_251~0#1| (_ bv0 8))) (.cse0 (= |c_ULTIMATE.start_main_~state_269~0#1| (_ bv0 8))) (.cse16 (and (or .cse46 .cse48) .cse28)) (.cse18 (and .cse29 (or .cse46 .cse47))) (.cse43 (not .cse14))) (let ((.cse4 (or .cse18 .cse43)) (.cse2 (or .cse16 .cse43)) (.cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_22_arg_1~0#1_15| (_ BitVec 64))) (not (= (bvand |v_ULTIMATE.start_main_~var_22_arg_1~0#1_15| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|))))) (.cse8 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_22_arg_1~0#1_15| (_ BitVec 64))) (= (bvand |v_ULTIMATE.start_main_~var_22_arg_1~0#1_15| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|)))) (.cse10 (not .cse0)) (.cse11 (not .cse1)) (.cse13 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_17_arg_1~0#1_15| (_ BitVec 64))) (= (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |v_ULTIMATE.start_main_~var_17_arg_1~0#1_15| |ULTIMATE.start_main_~mask_SORT_10~0#1|)))) (.cse12 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_17_arg_1~0#1_15| (_ BitVec 64))) (not (= (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |v_ULTIMATE.start_main_~var_17_arg_1~0#1_15| |ULTIMATE.start_main_~mask_SORT_10~0#1|))))) (.cse25 (and .cse27 .cse28)) (.cse17 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 32))) (not (= (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |ULTIMATE.start_main_~input_4~0#1|) .cse45)))) (.cse19 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 32))) (= (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |ULTIMATE.start_main_~input_4~0#1|) .cse45))) (.cse26 (and .cse29 .cse30)) (.cse20 ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_9~0#1|)) (.cse23 ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_8~0#1|))) (and (or (let ((.cse15 (or .cse19 .cse18))) (let ((.cse3 (or .cse14 (and .cse15 (or .cse17 .cse18)))) (.cse5 (or .cse14 (and .cse15 (or .cse16 .cse17))))) (let ((.cse6 (and .cse2 .cse5)) (.cse9 (and .cse3 .cse4))) (and (or .cse0 (and (or .cse1 (and .cse2 .cse3 .cse4 .cse5)) (or .cse6 .cse7) (or .cse8 .cse9))) (or .cse10 (and (or .cse6 .cse11) (or .cse1 (and (or .cse6 .cse12) (or .cse9 .cse13))))))))) (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (let ((.cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse20 .cse21))) .cse22))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse21 .cse23))))))))))) (or (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (let ((.cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse24 .cse23)))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse20 .cse24))) .cse22))))))) (and (or .cse0 (and (or .cse7 .cse25) (or .cse8 .cse26) (or .cse1 (and .cse27 .cse28 .cse29 .cse30)))) (or .cse10 (and (or .cse25 .cse11) (or .cse1 (and (or .cse25 .cse12) (or .cse13 .cse26))))))) (or (let ((.cse33 (or .cse14 .cse18)) (.cse32 (or .cse16 .cse14))) (let ((.cse31 (and .cse2 .cse32)) (.cse34 (and .cse4 .cse33))) (and (or .cse0 (and (or .cse7 .cse31) (or .cse1 (and .cse2 .cse4 .cse32 .cse33)) (or .cse8 .cse34))) (or (and (or .cse11 .cse31) (or .cse1 (and (or .cse12 .cse31) (or .cse13 .cse34)))) .cse10)))) (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (let ((.cse35 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse35 .cse23)))))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse20 .cse35))) .cse22))))))) (or (let ((.cse42 (or .cse19 .cse26))) (let ((.cse38 (or .cse14 (and .cse42 (or .cse25 .cse17)))) (.cse40 (or .cse25 .cse43)) (.cse39 (or .cse43 .cse26)) (.cse41 (or .cse14 (and .cse42 (or .cse17 .cse26))))) (let ((.cse37 (and .cse39 .cse41)) (.cse36 (and .cse38 .cse40))) (and (or .cse0 (and (or .cse7 .cse36) (or .cse37 .cse8) (or .cse1 (and .cse38 .cse39 .cse40 .cse41)))) (or .cse10 (and (or .cse11 .cse36) (or .cse1 (and (or .cse37 .cse13) (or .cse12 .cse36))))))))) (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (let ((.cse44 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse20 .cse44))) .cse22)))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse44 .cse23))))))))))))))))) is different from false [2024-11-14 03:03:56,335 WARN L286 SmtUtils]: Spent 30.36s on a formula simplification. DAG size of input: 202 DAG size of output: 204 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:04:53,116 WARN L286 SmtUtils]: Spent 11.92s on a formula simplification that was a NOOP. DAG size: 171 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:04:53,509 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 03:04:53,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506200897] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:04:53,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 03:04:53,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 7, 7] total 23 [2024-11-14 03:04:53,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235950179] [2024-11-14 03:04:53,511 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 03:04:53,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-14 03:04:53,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:04:53,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-14 03:04:53,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=308, Unknown=19, NotChecked=78, Total=506 [2024-11-14 03:04:53,515 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 23 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 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 03:05:01,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:05:01,856 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-14 03:05:01,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 03:05:01,859 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 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 03:05:01,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:05:01,860 INFO L225 Difference]: With dead ends: 14 [2024-11-14 03:05:01,860 INFO L226 Difference]: Without dead ends: 12 [2024-11-14 03:05:01,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 167.4s TimeCoverageRelationStatistics Valid=146, Invalid=395, Unknown=19, NotChecked=90, Total=650 [2024-11-14 03:05:01,861 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 13 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:05:01,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 13 Unchecked, 2.2s Time] [2024-11-14 03:05:01,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-14 03:05:01,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-14 03:05:01,867 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 03:05:01,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-14 03:05:01,868 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-14 03:05:01,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:05:01,868 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-14 03:05:01,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 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 03:05:01,869 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-14 03:05:01,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 03:05:01,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:05:01,869 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-14 03:05:01,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-14 03:05:02,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/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)] Forceful destruction successful, exit code 0 [2024-11-14 03:05:02,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-14 03:05:02,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/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_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:05:02,471 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:05:02,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:05:02,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-14 03:05:02,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:05:02,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [822115883] [2024-11-14 03:05:02,472 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 03:05:02,473 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 03:05:02,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:05:02,474 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/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 03:05:02,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4622bba9-894a-478f-a8a5-df05bd6ccddd/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 03:05:03,240 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 03:05:03,241 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 03:05:03,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-11-14 03:05:03,279 INFO L278 TraceCheckSpWp]: Computing forward predicates...