./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.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_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/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_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/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_340dd501-b415-44fc-b304-076fbdbd6d08/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 d04e8fee74538704272d3cab5f1797fefbc2602c9525b6a310f5046877ebbf3e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:52:59,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:52:59,385 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 03:52:59,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:52:59,395 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:52:59,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:52:59,427 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:52:59,427 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:52:59,428 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:52:59,428 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:52:59,428 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:52:59,429 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:52:59,429 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:52:59,430 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:52:59,430 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:52:59,430 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:52:59,430 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:52:59,430 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:52:59,430 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:52:59,430 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:52:59,431 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:52:59,431 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:52:59,431 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:52:59,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:52:59,431 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:52:59,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:52:59,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:52:59,432 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:52:59,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:52:59,432 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:52:59,432 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:52:59,432 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:52:59,434 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:52:59,434 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:52:59,435 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:52:59,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:52:59,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:52:59,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:52:59,435 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:52:59,435 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:52:59,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:52:59,436 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:52:59,436 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:52:59,436 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:52:59,436 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_340dd501-b415-44fc-b304-076fbdbd6d08/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 -> d04e8fee74538704272d3cab5f1797fefbc2602c9525b6a310f5046877ebbf3e [2024-11-14 03:52:59,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:52:59,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:52:59,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:52:59,855 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:52:59,856 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:52:59,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c Unable to find full path for "g++" [2024-11-14 03:53:01,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:53:02,341 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:53:02,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c [2024-11-14 03:53:02,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/data/f30317137/13c453c64fb64aea8dbaf23da204b4c7/FLAG224330dd7 [2024-11-14 03:53:02,370 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/data/f30317137/13c453c64fb64aea8dbaf23da204b4c7 [2024-11-14 03:53:02,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:53:02,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:53:02,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:53:02,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:53:02,379 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:53:02,380 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:53:02" (1/1) ... [2024-11-14 03:53:02,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcb4df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:02, skipping insertion in model container [2024-11-14 03:53:02,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:53:02" (1/1) ... [2024-11-14 03:53:02,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:53:02,606 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_340dd501-b415-44fc-b304-076fbdbd6d08/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c[1245,1258] [2024-11-14 03:53:02,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:53:02,867 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:53:02,878 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_340dd501-b415-44fc-b304-076fbdbd6d08/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c[1245,1258] [2024-11-14 03:53:03,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:53:03,041 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:53:03,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:03 WrapperNode [2024-11-14 03:53:03,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:53:03,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:53:03,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:53:03,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:53:03,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:03" (1/1) ... [2024-11-14 03:53:03,103 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:03" (1/1) ... [2024-11-14 03:53:03,349 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1762 [2024-11-14 03:53:03,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:53:03,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:53:03,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:53:03,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:53:03,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:03" (1/1) ... [2024-11-14 03:53:03,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:03" (1/1) ... [2024-11-14 03:53:03,385 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:03" (1/1) ... [2024-11-14 03:53:03,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:03" (1/1) ... [2024-11-14 03:53:03,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:03" (1/1) ... [2024-11-14 03:53:03,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:03" (1/1) ... [2024-11-14 03:53:03,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:03" (1/1) ... [2024-11-14 03:53:03,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:03" (1/1) ... [2024-11-14 03:53:03,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:53:03,561 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:53:03,561 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:53:03,561 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:53:03,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:03" (1/1) ... [2024-11-14 03:53:03,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:53:03,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:53:03,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:53:03,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:53:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:53:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:53:03,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:53:03,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:53:04,014 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:53:04,016 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:53:07,023 INFO L? ?]: Removed 896 outVars from TransFormulas that were not future-live. [2024-11-14 03:53:07,023 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:53:10,779 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:53:10,780 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:53:10,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:53:10 BoogieIcfgContainer [2024-11-14 03:53:10,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:53:10,783 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:53:10,783 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:53:10,788 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:53:10,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:53:02" (1/3) ... [2024-11-14 03:53:10,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670a02b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:53:10, skipping insertion in model container [2024-11-14 03:53:10,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:03" (2/3) ... [2024-11-14 03:53:10,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670a02b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:53:10, skipping insertion in model container [2024-11-14 03:53:10,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:53:10" (3/3) ... [2024-11-14 03:53:10,792 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul11.c [2024-11-14 03:53:10,811 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:53:10,813 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.mul11.c that has 1 procedures, 7 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:53:10,875 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:53:10,898 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;@34447c36, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:53:10,898 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:53:10,905 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 03:53:10,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 03:53:10,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:53:10,914 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 03:53:10,914 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:53:10,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:53:10,923 INFO L85 PathProgramCache]: Analyzing trace with hash 77501557, now seen corresponding path program 1 times [2024-11-14 03:53:10,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:53:10,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410027200] [2024-11-14 03:53:10,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:53:10,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:53:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:53:12,004 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:53:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:53:12,754 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:53:12,757 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:53:12,759 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:53:12,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:53:12,766 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:53:12,824 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:53:12,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:53:12 BoogieIcfgContainer [2024-11-14 03:53:12,835 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:53:12,836 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:53:12,836 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:53:12,836 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:53:12,837 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:53:10" (3/4) ... [2024-11-14 03:53:12,843 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:53:12,844 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:53:12,846 INFO L158 Benchmark]: Toolchain (without parser) took 10470.76ms. Allocated memory was 142.6MB in the beginning and 687.9MB in the end (delta: 545.3MB). Free memory was 117.3MB in the beginning and 308.0MB in the end (delta: -190.7MB). Peak memory consumption was 354.8MB. Max. memory is 16.1GB. [2024-11-14 03:53:12,846 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:53:12,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 666.69ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 86.0MB in the end (delta: 31.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 03:53:12,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 307.14ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 92.8MB in the end (delta: -7.1MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2024-11-14 03:53:12,847 INFO L158 Benchmark]: Boogie Preprocessor took 208.78ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 79.2MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:53:12,850 INFO L158 Benchmark]: RCFGBuilder took 7219.70ms. Allocated memory was 142.6MB in the beginning and 687.9MB in the end (delta: 545.3MB). Free memory was 79.2MB in the beginning and 446.0MB in the end (delta: -366.8MB). Peak memory consumption was 237.2MB. Max. memory is 16.1GB. [2024-11-14 03:53:12,851 INFO L158 Benchmark]: TraceAbstraction took 2052.18ms. Allocated memory is still 687.9MB. Free memory was 446.0MB in the beginning and 308.0MB in the end (delta: 138.0MB). Peak memory consumption was 142.6MB. Max. memory is 16.1GB. [2024-11-14 03:53:12,851 INFO L158 Benchmark]: Witness Printer took 8.25ms. Allocated memory is still 687.9MB. Free memory is still 308.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:53:12,856 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 666.69ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 86.0MB in the end (delta: 31.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 307.14ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 92.8MB in the end (delta: -7.1MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 208.78ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 79.2MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 7219.70ms. Allocated memory was 142.6MB in the beginning and 687.9MB in the end (delta: 545.3MB). Free memory was 79.2MB in the beginning and 446.0MB in the end (delta: -366.8MB). Peak memory consumption was 237.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2052.18ms. Allocated memory is still 687.9MB. Free memory was 446.0MB in the beginning and 308.0MB in the end (delta: 138.0MB). Peak memory consumption was 142.6MB. Max. memory is 16.1GB. * Witness Printer took 8.25ms. Allocated memory is still 687.9MB. Free memory is still 308.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of 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: 1.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s 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 03:53:12,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/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_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/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_340dd501-b415-44fc-b304-076fbdbd6d08/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 d04e8fee74538704272d3cab5f1797fefbc2602c9525b6a310f5046877ebbf3e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:53:15,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:53:15,953 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-14 03:53:15,964 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:53:15,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:53:16,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:53:16,010 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:53:16,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:53:16,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:53:16,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:53:16,012 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:53:16,012 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:53:16,012 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:53:16,013 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:53:16,013 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:53:16,013 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:53:16,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:53:16,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:53:16,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:53:16,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:53:16,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:53:16,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:53:16,015 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:53:16,015 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:53:16,016 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:53:16,016 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:53:16,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:53:16,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:53:16,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:53:16,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:53:16,017 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:53:16,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:53:16,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:53:16,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:53:16,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:53:16,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:53:16,018 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:53:16,018 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:53:16,018 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:53:16,018 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:53:16,018 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_340dd501-b415-44fc-b304-076fbdbd6d08/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 -> d04e8fee74538704272d3cab5f1797fefbc2602c9525b6a310f5046877ebbf3e [2024-11-14 03:53:16,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:53:16,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:53:16,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:53:16,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:53:16,428 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:53:16,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c Unable to find full path for "g++" [2024-11-14 03:53:18,487 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:53:18,859 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:53:18,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c [2024-11-14 03:53:18,877 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/data/f6d49e161/88972e1b0f344193aebc9b1d56ef9516/FLAG3a9ed9b50 [2024-11-14 03:53:18,895 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/data/f6d49e161/88972e1b0f344193aebc9b1d56ef9516 [2024-11-14 03:53:18,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:53:18,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:53:18,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:53:18,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:53:18,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:53:18,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:53:18" (1/1) ... [2024-11-14 03:53:18,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ce3be98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:18, skipping insertion in model container [2024-11-14 03:53:18,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:53:18" (1/1) ... [2024-11-14 03:53:18,974 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:53:19,224 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_340dd501-b415-44fc-b304-076fbdbd6d08/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c[1245,1258] [2024-11-14 03:53:19,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:53:19,452 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:53:19,465 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_340dd501-b415-44fc-b304-076fbdbd6d08/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c[1245,1258] [2024-11-14 03:53:19,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:53:19,674 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:53:19,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:19 WrapperNode [2024-11-14 03:53:19,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:53:19,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:53:19,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:53:19,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:53:19,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:19" (1/1) ... [2024-11-14 03:53:19,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:19" (1/1) ... [2024-11-14 03:53:19,821 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 736 [2024-11-14 03:53:19,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:53:19,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:53:19,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:53:19,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:53:19,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:19" (1/1) ... [2024-11-14 03:53:19,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:19" (1/1) ... [2024-11-14 03:53:19,855 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:19" (1/1) ... [2024-11-14 03:53:19,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:19" (1/1) ... [2024-11-14 03:53:19,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:19" (1/1) ... [2024-11-14 03:53:19,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:19" (1/1) ... [2024-11-14 03:53:19,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:19" (1/1) ... [2024-11-14 03:53:19,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:19" (1/1) ... [2024-11-14 03:53:19,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:53:19,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:53:19,897 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:53:19,897 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:53:19,901 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:19" (1/1) ... [2024-11-14 03:53:19,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:53:19,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:53:19,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:53:19,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:53:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:53:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:53:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:53:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:53:20,321 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:53:20,323 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:53:21,815 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2024-11-14 03:53:21,815 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:53:21,826 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:53:21,826 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:53:21,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:53:21 BoogieIcfgContainer [2024-11-14 03:53:21,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:53:21,832 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:53:21,832 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:53:21,839 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:53:21,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:53:18" (1/3) ... [2024-11-14 03:53:21,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31312886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:53:21, skipping insertion in model container [2024-11-14 03:53:21,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:19" (2/3) ... [2024-11-14 03:53:21,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31312886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:53:21, skipping insertion in model container [2024-11-14 03:53:21,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:53:21" (3/3) ... [2024-11-14 03:53:21,843 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul11.c [2024-11-14 03:53:21,861 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:53:21,863 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.mul11.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:53:21,925 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:53:21,942 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;@1895e067, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:53:21,942 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:53:21,947 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 03:53:21,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 03:53:21,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:53:21,956 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 03:53:21,956 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:53:21,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:53:21,962 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-14 03:53:21,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:53:21,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [963498641] [2024-11-14 03:53:21,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:53:21,979 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 03:53:21,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:53:21,983 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/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 03:53:21,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/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 03:53:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:53:22,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-14 03:53:22,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:53:23,154 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 03:53:23,155 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:53:23,155 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:53:23,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [963498641] [2024-11-14 03:53:23,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [963498641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:53:23,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:53:23,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:53:23,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874032949] [2024-11-14 03:53:23,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:53:23,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:53:23,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:53:23,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:53:23,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:53:23,194 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 03:53:23,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:53:23,425 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2024-11-14 03:53:23,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:53:23,429 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 03:53:23,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:53:23,436 INFO L225 Difference]: With dead ends: 17 [2024-11-14 03:53:23,436 INFO L226 Difference]: Without dead ends: 9 [2024-11-14 03:53:23,439 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 03:53:23,442 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:53:23,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:53:23,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-14 03:53:23,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-14 03:53:23,474 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 03:53:23,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-14 03:53:23,480 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-14 03:53:23,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:53:23,481 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-14 03:53:23,481 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 03:53:23,481 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-14 03:53:23,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 03:53:23,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:53:23,482 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-14 03:53:23,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/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 03:53:23,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/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 03:53:23,686 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:53:23,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:53:23,687 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-14 03:53:23,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:53:23,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1620393874] [2024-11-14 03:53:23,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:53:23,689 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 03:53:23,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:53:23,691 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/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 03:53:23,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/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 03:53:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:53:24,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-14 03:53:24,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:53:27,032 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 03:53:27,032 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:53:48,599 WARN L286 SmtUtils]: Spent 5.69s on a formula simplification that was a NOOP. DAG size: 346 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:53:55,362 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse8 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse35 (= |c_ULTIMATE.start_main_~state_251~0#1| (_ bv0 8)))) (let ((.cse32 (and .cse35 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_22_arg_1~0#1_10| (_ 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_22_arg_1~0#1_10| |ULTIMATE.start_main_~mask_SORT_10~0#1|)))))) (.cse36 (forall ((|v_ULTIMATE.start_main_~var_53_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_0~0#1_10|))))))))) (.cse28 (and (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_17_arg_1~0#1_10| (_ 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_10| |ULTIMATE.start_main_~mask_SORT_10~0#1|)))) (not .cse35))) (.cse29 (forall ((|v_ULTIMATE.start_main_~var_53_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_0~0#1_10|)))))))))) (let ((.cse30 (or .cse35 .cse29 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_17_arg_1~0#1_10| (_ 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_10| |ULTIMATE.start_main_~mask_SORT_10~0#1|))))) (.cse31 (or .cse36 .cse28)) (.cse25 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_9~0#1|)) (.cse33 (or .cse36 .cse32)) (.cse34 (or (and .cse35 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_22_arg_1~0#1_10| (_ 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_22_arg_1~0#1_10| |ULTIMATE.start_main_~mask_SORT_10~0#1|)))) .cse29))) (let ((.cse27 (and .cse33 .cse34)) (.cse17 (not .cse25)) (.cse26 (and .cse30 .cse31)) (.cse18 (and (or .cse32 .cse29) .cse33 .cse34)) (.cse22 (and (or .cse28 .cse29) .cse30 .cse31))) (let ((.cse11 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_8~0#1|)) (.cse21 (or .cse25 .cse22)) (.cse19 (or .cse25 .cse18)) (.cse23 (or .cse17 .cse26)) (.cse24 (or .cse17 .cse27))) (let ((.cse16 (and (or .cse25 .cse27) .cse24)) (.cse13 (and .cse23 (or .cse25 .cse26))) (.cse3 (= |c_ULTIMATE.start_main_~state_269~0#1| (_ bv0 8))) (.cse12 (and .cse24 .cse19)) (.cse10 (and .cse21 .cse23)) (.cse20 (not .cse11))) (let ((.cse1 (or .cse10 .cse20)) (.cse4 (or .cse12 .cse20)) (.cse6 ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_9~0#1|)) (.cse0 (not .cse3)) (.cse2 (or .cse11 (and .cse21 (or .cse17 .cse22)))) (.cse14 (or .cse13 .cse20)) (.cse15 (or .cse16 .cse20)) (.cse5 (or .cse11 (and (or .cse17 .cse18) .cse19))) (.cse9 ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_8~0#1|))) (and (or (and (or .cse0 (and .cse1 .cse2)) (or .cse3 (and .cse4 .cse5))) (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (let ((.cse7 ((_ 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 .cse6 .cse7))) .cse8)))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse7 .cse9))))))))))) (or (and (or .cse0 (and .cse1 (or .cse10 .cse11))) (or .cse3 (and (or .cse11 .cse12) .cse4))) (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 .cse6 ((_ 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|))))))) .cse8)))))) (or .cse0 (and (or .cse11 .cse13) .cse14)) (or .cse3 (and .cse15 (or .cse11 .cse16))) (or (and (or .cse0 (and .cse2 .cse14)) (or .cse3 (and .cse15 .cse5))) (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 .cse8 ((_ 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|)))) .cse9))))))))))))))))) is different from false [2024-11-14 03:54:00,995 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 03:54:00,995 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:54:00,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1620393874] [2024-11-14 03:54:00,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1620393874] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:54:00,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1329650917] [2024-11-14 03:54:00,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:54:00,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:54:00,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:54:01,001 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:54:01,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 03:54:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:54:01,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-14 03:54:01,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:54:03,171 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 03:54:03,172 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:54:58,391 WARN L286 SmtUtils]: Spent 41.60s 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 03:56:08,996 WARN L286 SmtUtils]: Spent 24.68s on a formula simplification that was a NOOP. DAG size: 196 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:56:58,017 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 03:56:58,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1329650917] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:56:58,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112576088] [2024-11-14 03:56:58,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:56:58,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:56:58,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:56:58,021 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:56:58,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 03:56:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:56:58,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-14 03:56:58,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:57:13,371 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 03:57:13,372 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:59:03,463 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 04:00:21,104 WARN L286 SmtUtils]: Spent 45.05s 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 04:01:18,109 WARN L286 SmtUtils]: Spent 12.77s 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 04:01:18,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:01:18,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112576088] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:01:18,506 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:01:18,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 7, 7] total 22 [2024-11-14 04:01:18,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63423626] [2024-11-14 04:01:18,507 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:01:18,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-14 04:01:18,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:01:18,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-14 04:01:18,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=278, Unknown=18, NotChecked=74, Total=462 [2024-11-14 04:01:18,510 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 22 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:01:27,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-14 04:01:27,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:01:27,822 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-14 04:01:27,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 04:01:27,825 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-14 04:01:27,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:01:27,826 INFO L225 Difference]: With dead ends: 14 [2024-11-14 04:01:27,826 INFO L226 Difference]: Without dead ends: 12 [2024-11-14 04:01:27,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 203.0s TimeCoverageRelationStatistics Valid=134, Invalid=362, Unknown=18, NotChecked=86, Total=600 [2024-11-14 04:01:27,828 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 13 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:01:27,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 13 Unchecked, 2.9s Time] [2024-11-14 04:01:27,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-14 04:01:27,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-14 04:01:27,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:01:27,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-14 04:01:27,834 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-14 04:01:27,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:01:27,834 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-14 04:01:27,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:01:27,835 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-14 04:01:27,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 04:01:27,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:01:27,835 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-14 04:01:27,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 04:01:28,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-14 04:01:28,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 04:01:28,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:01:28,436 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:01:28,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:01:28,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-14 04:01:28,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:01:28,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1578229564] [2024-11-14 04:01:28,438 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:01:28,438 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:01:28,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:01:28,440 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:01:28,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_340dd501-b415-44fc-b304-076fbdbd6d08/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-14 04:01:29,174 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 04:01:29,174 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:01:29,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-11-14 04:01:29,207 INFO L278 TraceCheckSpWp]: Computing forward predicates...