./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.6.prop1-func-interl.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_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/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_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.6.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/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_329b5ab1-e895-41ee-8888-b84447ef59a1/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 5e5e7b037c46100729f51c7adb5e61e156906f5d25d4a150c97245c41afe40ba --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:37:56,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:37:56,290 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 05:37:56,300 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:37:56,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:37:56,348 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:37:56,350 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:37:56,350 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:37:56,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:37:56,352 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:37:56,353 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:37:56,353 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:37:56,354 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:37:56,354 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:37:56,354 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:37:56,354 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:37:56,354 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:37:56,354 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:37:56,354 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:37:56,355 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:37:56,355 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:37:56,355 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:37:56,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:37:56,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:37:56,357 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:37:56,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:37:56,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:37:56,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:37:56,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:37:56,358 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:37:56,358 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:37:56,358 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:37:56,359 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:37:56,359 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:37:56,359 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:37:56,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:37:56,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:37:56,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:37:56,360 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:37:56,360 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:37:56,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:37:56,361 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:37:56,361 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:37:56,361 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:37:56,361 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_329b5ab1-e895-41ee-8888-b84447ef59a1/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 -> 5e5e7b037c46100729f51c7adb5e61e156906f5d25d4a150c97245c41afe40ba [2024-11-14 05:37:56,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:37:56,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:37:56,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:37:56,788 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:37:56,788 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:37:56,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.6.prop1-func-interl.c Unable to find full path for "g++" [2024-11-14 05:37:59,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:37:59,858 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:37:59,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.6.prop1-func-interl.c [2024-11-14 05:37:59,902 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/data/6ca8da05d/7d3b4fad48cd4d4b9cd66e958673721d/FLAGa045bf4ef [2024-11-14 05:38:00,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/data/6ca8da05d/7d3b4fad48cd4d4b9cd66e958673721d [2024-11-14 05:38:00,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:38:00,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:38:00,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:38:00,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:38:00,207 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:38:00,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:38:00" (1/1) ... [2024-11-14 05:38:00,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f6da05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:00, skipping insertion in model container [2024-11-14 05:38:00,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:38:00" (1/1) ... [2024-11-14 05:38:00,352 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:38:00,651 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_329b5ab1-e895-41ee-8888-b84447ef59a1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.6.prop1-func-interl.c[1180,1193] [2024-11-14 05:38:01,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:38:01,722 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:38:01,736 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_329b5ab1-e895-41ee-8888-b84447ef59a1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.6.prop1-func-interl.c[1180,1193] [2024-11-14 05:38:02,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:38:02,461 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:38:02,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:02 WrapperNode [2024-11-14 05:38:02,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:38:02,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:38:02,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:38:02,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:38:02,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:02" (1/1) ... [2024-11-14 05:38:02,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:02" (1/1) ... [2024-11-14 05:38:04,480 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 14742 [2024-11-14 05:38:04,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:38:04,484 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:38:04,484 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:38:04,484 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:38:04,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:02" (1/1) ... [2024-11-14 05:38:04,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:02" (1/1) ... [2024-11-14 05:38:04,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:02" (1/1) ... [2024-11-14 05:38:04,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:02" (1/1) ... [2024-11-14 05:38:05,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:02" (1/1) ... [2024-11-14 05:38:05,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:02" (1/1) ... [2024-11-14 05:38:05,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:02" (1/1) ... [2024-11-14 05:38:05,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:02" (1/1) ... [2024-11-14 05:38:06,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:38:06,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:38:06,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:38:06,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:38:06,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:02" (1/1) ... [2024-11-14 05:38:06,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:38:06,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:38:06,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:38:06,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:38:06,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:38:06,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:38:06,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:38:06,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:38:07,982 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:38:07,985 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:38:38,192 INFO L? ?]: Removed 8878 outVars from TransFormulas that were not future-live. [2024-11-14 05:38:38,192 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:39:08,813 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:39:08,813 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:39:08,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:39:08 BoogieIcfgContainer [2024-11-14 05:39:08,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:39:08,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:39:08,816 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:39:08,821 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:39:08,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:38:00" (1/3) ... [2024-11-14 05:39:08,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd83c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:39:08, skipping insertion in model container [2024-11-14 05:39:08,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:02" (2/3) ... [2024-11-14 05:39:08,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd83c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:39:08, skipping insertion in model container [2024-11-14 05:39:08,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:39:08" (3/3) ... [2024-11-14 05:39:08,823 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.peg_solitaire.6.prop1-func-interl.c [2024-11-14 05:39:08,844 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:39:08,846 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.peg_solitaire.6.prop1-func-interl.c that has 1 procedures, 7 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:39:08,925 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:39:08,952 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;@49ab4c4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:39:08,955 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:39:08,965 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 05:39:08,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 05:39:08,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:08,984 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 05:39:08,984 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:39:08,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:08,995 INFO L85 PathProgramCache]: Analyzing trace with hash 701590612, now seen corresponding path program 1 times [2024-11-14 05:39:09,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:09,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452848774] [2024-11-14 05:39:09,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:09,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:39:10,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:39:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:39:12,169 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:39:12,171 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:39:12,174 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:39:12,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:39:12,184 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:39:12,302 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:39:12,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:39:12 BoogieIcfgContainer [2024-11-14 05:39:12,316 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:39:12,317 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:39:12,318 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:39:12,318 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:39:12,319 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:39:08" (3/4) ... [2024-11-14 05:39:12,323 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:39:12,325 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:39:12,327 INFO L158 Benchmark]: Toolchain (without parser) took 72128.56ms. Allocated memory was 142.6MB in the beginning and 11.8GB in the end (delta: 11.6GB). Free memory was 97.7MB in the beginning and 10.6GB in the end (delta: -10.5GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-14 05:39:12,332 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:39:12,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2265.30ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 97.7MB in the beginning and 260.8MB in the end (delta: -163.1MB). Peak memory consumption was 127.5MB. Max. memory is 16.1GB. [2024-11-14 05:39:12,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 2017.73ms. Allocated memory was 360.7MB in the beginning and 788.5MB in the end (delta: 427.8MB). Free memory was 260.8MB in the beginning and 453.2MB in the end (delta: -192.4MB). Peak memory consumption was 294.4MB. Max. memory is 16.1GB. [2024-11-14 05:39:12,334 INFO L158 Benchmark]: Boogie Preprocessor took 1816.89ms. Allocated memory was 788.5MB in the beginning and 2.4GB in the end (delta: 1.6GB). Free memory was 453.2MB in the beginning and 1.9GB in the end (delta: -1.5GB). Peak memory consumption was 117.2MB. Max. memory is 16.1GB. [2024-11-14 05:39:12,334 INFO L158 Benchmark]: RCFGBuilder took 62511.52ms. Allocated memory was 2.4GB in the beginning and 10.6GB in the end (delta: 8.2GB). Free memory was 1.9GB in the beginning and 9.2GB in the end (delta: -7.3GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. [2024-11-14 05:39:12,335 INFO L158 Benchmark]: TraceAbstraction took 3500.50ms. Allocated memory was 10.6GB in the beginning and 11.8GB in the end (delta: 1.2GB). Free memory was 9.2GB in the beginning and 10.6GB in the end (delta: -1.3GB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:39:12,335 INFO L158 Benchmark]: Witness Printer took 7.63ms. Allocated memory is still 11.8GB. Free memory was 10.6GB in the beginning and 10.6GB in the end (delta: 72.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:39:12,342 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2265.30ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 97.7MB in the beginning and 260.8MB in the end (delta: -163.1MB). Peak memory consumption was 127.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2017.73ms. Allocated memory was 360.7MB in the beginning and 788.5MB in the end (delta: 427.8MB). Free memory was 260.8MB in the beginning and 453.2MB in the end (delta: -192.4MB). Peak memory consumption was 294.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1816.89ms. Allocated memory was 788.5MB in the beginning and 2.4GB in the end (delta: 1.6GB). Free memory was 453.2MB in the beginning and 1.9GB in the end (delta: -1.5GB). Peak memory consumption was 117.2MB. Max. memory is 16.1GB. * RCFGBuilder took 62511.52ms. Allocated memory was 2.4GB in the beginning and 10.6GB in the end (delta: 8.2GB). Free memory was 1.9GB in the beginning and 9.2GB in the end (delta: -7.3GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. * TraceAbstraction took 3500.50ms. Allocated memory was 10.6GB in the beginning and 11.8GB in the end (delta: 1.2GB). Free memory was 9.2GB in the beginning and 10.6GB in the end (delta: -1.3GB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.63ms. Allocated memory is still 11.8GB. Free memory was 10.6GB in the beginning and 10.6GB in the end (delta: 72.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 459, overapproximation of bitwiseAnd at line 143, overapproximation of bitwiseAnd at line 264. 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_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_80 = 0; [L40] const SORT_2 var_85 = 1; [L41] const SORT_2 var_86 = 35; [L42] const SORT_2 var_93 = 0; [L43] const SORT_3 var_582 = 0; [L44] const SORT_4 var_584 = 1; [L46] SORT_1 input_91; [L47] SORT_1 input_92; [L48] SORT_1 input_94; [L49] SORT_1 input_95; [L50] SORT_1 input_103; [L51] SORT_1 input_104; [L52] SORT_1 input_105; [L53] SORT_1 input_106; [L54] SORT_1 input_116; [L55] SORT_1 input_117; [L56] SORT_1 input_118; [L57] SORT_1 input_119; [L58] SORT_1 input_131; [L59] SORT_1 input_132; [L60] SORT_1 input_133; [L61] SORT_1 input_134; [L62] SORT_1 input_146; [L63] SORT_1 input_147; [L64] SORT_1 input_157; [L65] SORT_1 input_158; [L66] SORT_1 input_166; [L67] SORT_1 input_167; [L68] SORT_1 input_168; [L69] SORT_1 input_169; [L70] SORT_1 input_179; [L71] SORT_1 input_180; [L72] SORT_1 input_181; [L73] SORT_1 input_182; [L74] SORT_1 input_194; [L75] SORT_1 input_195; [L76] SORT_1 input_196; [L77] SORT_1 input_197; [L78] SORT_1 input_211; [L79] SORT_1 input_212; [L80] SORT_1 input_213; [L81] SORT_1 input_214; [L82] SORT_1 input_228; [L83] SORT_1 input_229; [L84] SORT_1 input_241; [L85] SORT_1 input_242; [L86] SORT_1 input_252; [L87] SORT_1 input_253; [L88] SORT_1 input_254; [L89] SORT_1 input_255; [L90] SORT_1 input_267; [L91] SORT_1 input_268; [L92] SORT_1 input_269; [L93] SORT_1 input_270; [L94] SORT_1 input_284; [L95] SORT_1 input_285; [L96] SORT_1 input_286; [L97] SORT_1 input_287; [L98] SORT_1 input_303; [L99] SORT_1 input_304; [L100] SORT_1 input_305; [L101] SORT_1 input_306; [L102] SORT_1 input_322; [L103] SORT_1 input_323; [L104] SORT_1 input_337; [L105] SORT_1 input_338; [L106] SORT_1 input_350; [L107] SORT_1 input_351; [L108] SORT_1 input_352; [L109] SORT_1 input_353; [L110] SORT_1 input_365; [L111] SORT_1 input_366; [L112] SORT_1 input_367; [L113] SORT_1 input_368; [L114] SORT_1 input_382; [L115] SORT_1 input_383; [L116] SORT_1 input_384; [L117] SORT_1 input_385; [L118] SORT_1 input_401; [L119] SORT_1 input_402; [L120] SORT_1 input_403; [L121] SORT_1 input_404; [L122] SORT_1 input_420; [L123] SORT_1 input_421; [L124] SORT_1 input_435; [L125] SORT_1 input_436; [L126] SORT_1 input_448; [L127] SORT_1 input_449; [L128] SORT_1 input_459; [L129] SORT_1 input_460; [L130] SORT_1 input_472; [L131] SORT_1 input_473; [L132] SORT_1 input_487; [L133] SORT_1 input_488; [L134] SORT_1 input_522; [L135] SORT_1 input_523; [L136] SORT_1 input_531; [L137] SORT_1 input_532; [L138] SORT_1 input_542; [L139] SORT_1 input_543; [L140] SORT_1 input_555; [L141] SORT_1 input_556; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L143] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L144] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L145] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L146] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L147] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L148] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L149] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L149] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L150] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L150] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L151] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L151] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L152] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L152] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L153] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L153] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L154] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L154] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L155] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L155] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L156] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L156] SORT_2 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L157] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L157] SORT_2 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L158] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L158] SORT_2 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L159] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L159] SORT_2 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L160] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L160] SORT_2 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L161] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L161] SORT_2 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L162] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L162] SORT_2 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L163] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L163] SORT_2 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L164] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L164] SORT_2 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L165] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L165] SORT_2 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L166] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L166] SORT_2 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L167] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L167] SORT_2 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L168] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L168] SORT_2 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L169] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L169] SORT_2 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L170] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L170] SORT_2 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L171] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L171] SORT_2 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L172] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L172] SORT_2 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L173] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L173] SORT_2 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L174] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L174] SORT_2 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L175] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L175] SORT_2 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L176] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L176] SORT_2 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L177] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L177] SORT_2 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L178] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L178] SORT_2 state_76 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L179] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L179] SORT_2 state_78 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L180] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L180] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L181] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L181] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L183] SORT_2 init_7_arg_1 = var_5; [L184] state_6 = init_7_arg_1 [L185] SORT_2 init_9_arg_1 = var_5; [L186] state_8 = init_9_arg_1 [L187] SORT_2 init_11_arg_1 = var_5; [L188] state_10 = init_11_arg_1 [L189] SORT_2 init_13_arg_1 = var_5; [L190] state_12 = init_13_arg_1 [L191] SORT_2 init_15_arg_1 = var_5; [L192] state_14 = init_15_arg_1 [L193] SORT_2 init_17_arg_1 = var_5; [L194] state_16 = init_17_arg_1 [L195] SORT_2 init_19_arg_1 = var_5; [L196] state_18 = init_19_arg_1 [L197] SORT_2 init_21_arg_1 = var_5; [L198] state_20 = init_21_arg_1 [L199] SORT_2 init_23_arg_1 = var_5; [L200] state_22 = init_23_arg_1 [L201] SORT_2 init_25_arg_1 = var_5; [L202] state_24 = init_25_arg_1 [L203] SORT_2 init_27_arg_1 = var_5; [L204] state_26 = init_27_arg_1 [L205] SORT_2 init_29_arg_1 = var_5; [L206] state_28 = init_29_arg_1 [L207] SORT_2 init_31_arg_1 = var_5; [L208] state_30 = init_31_arg_1 [L209] SORT_2 init_33_arg_1 = var_5; [L210] state_32 = init_33_arg_1 [L211] SORT_2 init_35_arg_1 = var_5; [L212] state_34 = init_35_arg_1 [L213] SORT_2 init_37_arg_1 = var_5; [L214] state_36 = init_37_arg_1 [L215] SORT_2 init_39_arg_1 = var_5; [L216] state_38 = init_39_arg_1 [L217] SORT_2 init_41_arg_1 = var_5; [L218] state_40 = init_41_arg_1 [L219] SORT_2 init_43_arg_1 = var_5; [L220] state_42 = init_43_arg_1 [L221] SORT_2 init_45_arg_1 = var_5; [L222] state_44 = init_45_arg_1 [L223] SORT_2 init_47_arg_1 = var_5; [L224] state_46 = init_47_arg_1 [L225] SORT_2 init_49_arg_1 = var_5; [L226] state_48 = init_49_arg_1 [L227] SORT_2 init_51_arg_1 = var_5; [L228] state_50 = init_51_arg_1 [L229] SORT_2 init_53_arg_1 = var_5; [L230] state_52 = init_53_arg_1 [L231] SORT_2 init_55_arg_1 = var_5; [L232] state_54 = init_55_arg_1 [L233] SORT_2 init_57_arg_1 = var_5; [L234] state_56 = init_57_arg_1 [L235] SORT_2 init_59_arg_1 = var_5; [L236] state_58 = init_59_arg_1 [L237] SORT_2 init_61_arg_1 = var_5; [L238] state_60 = init_61_arg_1 [L239] SORT_2 init_63_arg_1 = var_5; [L240] state_62 = init_63_arg_1 [L241] SORT_2 init_65_arg_1 = var_5; [L242] state_64 = init_65_arg_1 [L243] SORT_2 init_67_arg_1 = var_5; [L244] state_66 = init_67_arg_1 [L245] SORT_2 init_69_arg_1 = var_5; [L246] state_68 = init_69_arg_1 [L247] SORT_2 init_71_arg_1 = var_5; [L248] state_70 = init_71_arg_1 [L249] SORT_2 init_73_arg_1 = var_5; [L250] state_72 = init_73_arg_1 [L251] SORT_2 init_75_arg_1 = var_5; [L252] state_74 = init_75_arg_1 [L253] SORT_2 init_77_arg_1 = var_5; [L254] state_76 = init_77_arg_1 [L255] SORT_2 init_79_arg_1 = var_5; [L256] state_78 = init_79_arg_1 [L257] SORT_1 init_82_arg_1 = var_80; [L258] state_81 = init_82_arg_1 [L259] SORT_1 init_84_arg_1 = var_80; [L260] state_83 = init_84_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_6=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_81=0, state_83=0, state_8=0, var_582=0, var_584=1, var_85=1, var_86=35, var_93=0] [L263] input_91 = __VERIFIER_nondet_uchar() [L264] EXPR input_91 & mask_SORT_1 [L264] input_91 = input_91 & mask_SORT_1 [L265] input_92 = __VERIFIER_nondet_uchar() [L266] EXPR input_92 & mask_SORT_1 [L266] input_92 = input_92 & mask_SORT_1 [L267] input_94 = __VERIFIER_nondet_uchar() [L268] EXPR input_94 & mask_SORT_1 [L268] input_94 = input_94 & mask_SORT_1 [L269] input_95 = __VERIFIER_nondet_uchar() [L270] EXPR input_95 & mask_SORT_1 [L270] input_95 = input_95 & mask_SORT_1 [L271] input_103 = __VERIFIER_nondet_uchar() [L272] EXPR input_103 & mask_SORT_1 [L272] input_103 = input_103 & mask_SORT_1 [L273] input_104 = __VERIFIER_nondet_uchar() [L274] EXPR input_104 & mask_SORT_1 [L274] input_104 = input_104 & mask_SORT_1 [L275] input_105 = __VERIFIER_nondet_uchar() [L276] EXPR input_105 & mask_SORT_1 [L276] input_105 = input_105 & mask_SORT_1 [L277] input_106 = __VERIFIER_nondet_uchar() [L278] EXPR input_106 & mask_SORT_1 [L278] input_106 = input_106 & mask_SORT_1 [L279] input_116 = __VERIFIER_nondet_uchar() [L280] EXPR input_116 & mask_SORT_1 [L280] input_116 = input_116 & mask_SORT_1 [L281] input_117 = __VERIFIER_nondet_uchar() [L282] EXPR input_117 & mask_SORT_1 [L282] input_117 = input_117 & mask_SORT_1 [L283] input_118 = __VERIFIER_nondet_uchar() [L284] EXPR input_118 & mask_SORT_1 [L284] input_118 = input_118 & mask_SORT_1 [L285] input_119 = __VERIFIER_nondet_uchar() [L286] EXPR input_119 & mask_SORT_1 [L286] input_119 = input_119 & mask_SORT_1 [L287] input_131 = __VERIFIER_nondet_uchar() [L288] EXPR input_131 & mask_SORT_1 [L288] input_131 = input_131 & mask_SORT_1 [L289] input_132 = __VERIFIER_nondet_uchar() [L290] EXPR input_132 & mask_SORT_1 [L290] input_132 = input_132 & mask_SORT_1 [L291] input_133 = __VERIFIER_nondet_uchar() [L292] EXPR input_133 & mask_SORT_1 [L292] input_133 = input_133 & mask_SORT_1 [L293] input_134 = __VERIFIER_nondet_uchar() [L294] EXPR input_134 & mask_SORT_1 [L294] input_134 = input_134 & mask_SORT_1 [L295] input_146 = __VERIFIER_nondet_uchar() [L296] EXPR input_146 & mask_SORT_1 [L296] input_146 = input_146 & mask_SORT_1 [L297] input_147 = __VERIFIER_nondet_uchar() [L298] EXPR input_147 & mask_SORT_1 [L298] input_147 = input_147 & mask_SORT_1 [L299] input_157 = __VERIFIER_nondet_uchar() [L300] EXPR input_157 & mask_SORT_1 [L300] input_157 = input_157 & mask_SORT_1 [L301] input_158 = __VERIFIER_nondet_uchar() [L302] EXPR input_158 & mask_SORT_1 [L302] input_158 = input_158 & mask_SORT_1 [L303] input_166 = __VERIFIER_nondet_uchar() [L304] EXPR input_166 & mask_SORT_1 [L304] input_166 = input_166 & mask_SORT_1 [L305] input_167 = __VERIFIER_nondet_uchar() [L306] EXPR input_167 & mask_SORT_1 [L306] input_167 = input_167 & mask_SORT_1 [L307] input_168 = __VERIFIER_nondet_uchar() [L308] EXPR input_168 & mask_SORT_1 [L308] input_168 = input_168 & mask_SORT_1 [L309] input_169 = __VERIFIER_nondet_uchar() [L310] EXPR input_169 & mask_SORT_1 [L310] input_169 = input_169 & mask_SORT_1 [L311] input_179 = __VERIFIER_nondet_uchar() [L312] EXPR input_179 & mask_SORT_1 [L312] input_179 = input_179 & mask_SORT_1 [L313] input_180 = __VERIFIER_nondet_uchar() [L314] EXPR input_180 & mask_SORT_1 [L314] input_180 = input_180 & mask_SORT_1 [L315] input_181 = __VERIFIER_nondet_uchar() [L316] EXPR input_181 & mask_SORT_1 [L316] input_181 = input_181 & mask_SORT_1 [L317] input_182 = __VERIFIER_nondet_uchar() [L318] EXPR input_182 & mask_SORT_1 [L318] input_182 = input_182 & mask_SORT_1 [L319] input_194 = __VERIFIER_nondet_uchar() [L320] EXPR input_194 & mask_SORT_1 [L320] input_194 = input_194 & mask_SORT_1 [L321] input_195 = __VERIFIER_nondet_uchar() [L322] EXPR input_195 & mask_SORT_1 [L322] input_195 = input_195 & mask_SORT_1 [L323] input_196 = __VERIFIER_nondet_uchar() [L324] EXPR input_196 & mask_SORT_1 [L324] input_196 = input_196 & mask_SORT_1 [L325] input_197 = __VERIFIER_nondet_uchar() [L326] EXPR input_197 & mask_SORT_1 [L326] input_197 = input_197 & mask_SORT_1 [L327] input_211 = __VERIFIER_nondet_uchar() [L328] EXPR input_211 & mask_SORT_1 [L328] input_211 = input_211 & mask_SORT_1 [L329] input_212 = __VERIFIER_nondet_uchar() [L330] EXPR input_212 & mask_SORT_1 [L330] input_212 = input_212 & mask_SORT_1 [L331] input_213 = __VERIFIER_nondet_uchar() [L332] EXPR input_213 & mask_SORT_1 [L332] input_213 = input_213 & mask_SORT_1 [L333] input_214 = __VERIFIER_nondet_uchar() [L334] EXPR input_214 & mask_SORT_1 [L334] input_214 = input_214 & mask_SORT_1 [L335] input_228 = __VERIFIER_nondet_uchar() [L336] EXPR input_228 & mask_SORT_1 [L336] input_228 = input_228 & mask_SORT_1 [L337] input_229 = __VERIFIER_nondet_uchar() [L338] EXPR input_229 & mask_SORT_1 [L338] input_229 = input_229 & mask_SORT_1 [L339] input_241 = __VERIFIER_nondet_uchar() [L340] EXPR input_241 & mask_SORT_1 [L340] input_241 = input_241 & mask_SORT_1 [L341] input_242 = __VERIFIER_nondet_uchar() [L342] EXPR input_242 & mask_SORT_1 [L342] input_242 = input_242 & mask_SORT_1 [L343] input_252 = __VERIFIER_nondet_uchar() [L344] EXPR input_252 & mask_SORT_1 [L344] input_252 = input_252 & mask_SORT_1 [L345] input_253 = __VERIFIER_nondet_uchar() [L346] EXPR input_253 & mask_SORT_1 [L346] input_253 = input_253 & mask_SORT_1 [L347] input_254 = __VERIFIER_nondet_uchar() [L348] EXPR input_254 & mask_SORT_1 [L348] input_254 = input_254 & mask_SORT_1 [L349] input_255 = __VERIFIER_nondet_uchar() [L350] EXPR input_255 & mask_SORT_1 [L350] input_255 = input_255 & mask_SORT_1 [L351] input_267 = __VERIFIER_nondet_uchar() [L352] EXPR input_267 & mask_SORT_1 [L352] input_267 = input_267 & mask_SORT_1 [L353] input_268 = __VERIFIER_nondet_uchar() [L354] EXPR input_268 & mask_SORT_1 [L354] input_268 = input_268 & mask_SORT_1 [L355] input_269 = __VERIFIER_nondet_uchar() [L356] EXPR input_269 & mask_SORT_1 [L356] input_269 = input_269 & mask_SORT_1 [L357] input_270 = __VERIFIER_nondet_uchar() [L358] EXPR input_270 & mask_SORT_1 [L358] input_270 = input_270 & mask_SORT_1 [L359] input_284 = __VERIFIER_nondet_uchar() [L360] EXPR input_284 & mask_SORT_1 [L360] input_284 = input_284 & mask_SORT_1 [L361] input_285 = __VERIFIER_nondet_uchar() [L362] EXPR input_285 & mask_SORT_1 [L362] input_285 = input_285 & mask_SORT_1 [L363] input_286 = __VERIFIER_nondet_uchar() [L364] EXPR input_286 & mask_SORT_1 [L364] input_286 = input_286 & mask_SORT_1 [L365] input_287 = __VERIFIER_nondet_uchar() [L366] EXPR input_287 & mask_SORT_1 [L366] input_287 = input_287 & mask_SORT_1 [L367] input_303 = __VERIFIER_nondet_uchar() [L368] EXPR input_303 & mask_SORT_1 [L368] input_303 = input_303 & mask_SORT_1 [L369] input_304 = __VERIFIER_nondet_uchar() [L370] EXPR input_304 & mask_SORT_1 [L370] input_304 = input_304 & mask_SORT_1 [L371] input_305 = __VERIFIER_nondet_uchar() [L372] EXPR input_305 & mask_SORT_1 [L372] input_305 = input_305 & mask_SORT_1 [L373] input_306 = __VERIFIER_nondet_uchar() [L374] EXPR input_306 & mask_SORT_1 [L374] input_306 = input_306 & mask_SORT_1 [L375] input_322 = __VERIFIER_nondet_uchar() [L376] EXPR input_322 & mask_SORT_1 [L376] input_322 = input_322 & mask_SORT_1 [L377] input_323 = __VERIFIER_nondet_uchar() [L378] EXPR input_323 & mask_SORT_1 [L378] input_323 = input_323 & mask_SORT_1 [L379] input_337 = __VERIFIER_nondet_uchar() [L380] EXPR input_337 & mask_SORT_1 [L380] input_337 = input_337 & mask_SORT_1 [L381] input_338 = __VERIFIER_nondet_uchar() [L382] EXPR input_338 & mask_SORT_1 [L382] input_338 = input_338 & mask_SORT_1 [L383] input_350 = __VERIFIER_nondet_uchar() [L384] EXPR input_350 & mask_SORT_1 [L384] input_350 = input_350 & mask_SORT_1 [L385] input_351 = __VERIFIER_nondet_uchar() [L386] EXPR input_351 & mask_SORT_1 [L386] input_351 = input_351 & mask_SORT_1 [L387] input_352 = __VERIFIER_nondet_uchar() [L388] EXPR input_352 & mask_SORT_1 [L388] input_352 = input_352 & mask_SORT_1 [L389] input_353 = __VERIFIER_nondet_uchar() [L390] EXPR input_353 & mask_SORT_1 [L390] input_353 = input_353 & mask_SORT_1 [L391] input_365 = __VERIFIER_nondet_uchar() [L392] EXPR input_365 & mask_SORT_1 [L392] input_365 = input_365 & mask_SORT_1 [L393] input_366 = __VERIFIER_nondet_uchar() [L394] EXPR input_366 & mask_SORT_1 [L394] input_366 = input_366 & mask_SORT_1 [L395] input_367 = __VERIFIER_nondet_uchar() [L396] EXPR input_367 & mask_SORT_1 [L396] input_367 = input_367 & mask_SORT_1 [L397] input_368 = __VERIFIER_nondet_uchar() [L398] EXPR input_368 & mask_SORT_1 [L398] input_368 = input_368 & mask_SORT_1 [L399] input_382 = __VERIFIER_nondet_uchar() [L400] EXPR input_382 & mask_SORT_1 [L400] input_382 = input_382 & mask_SORT_1 [L401] input_383 = __VERIFIER_nondet_uchar() [L402] EXPR input_383 & mask_SORT_1 [L402] input_383 = input_383 & mask_SORT_1 [L403] input_384 = __VERIFIER_nondet_uchar() [L404] EXPR input_384 & mask_SORT_1 [L404] input_384 = input_384 & mask_SORT_1 [L405] input_385 = __VERIFIER_nondet_uchar() [L406] EXPR input_385 & mask_SORT_1 [L406] input_385 = input_385 & mask_SORT_1 [L407] input_401 = __VERIFIER_nondet_uchar() [L408] EXPR input_401 & mask_SORT_1 [L408] input_401 = input_401 & mask_SORT_1 [L409] input_402 = __VERIFIER_nondet_uchar() [L410] EXPR input_402 & mask_SORT_1 [L410] input_402 = input_402 & mask_SORT_1 [L411] input_403 = __VERIFIER_nondet_uchar() [L412] EXPR input_403 & mask_SORT_1 [L412] input_403 = input_403 & mask_SORT_1 [L413] input_404 = __VERIFIER_nondet_uchar() [L414] EXPR input_404 & mask_SORT_1 [L414] input_404 = input_404 & mask_SORT_1 [L415] input_420 = __VERIFIER_nondet_uchar() [L416] EXPR input_420 & mask_SORT_1 [L416] input_420 = input_420 & mask_SORT_1 [L417] input_421 = __VERIFIER_nondet_uchar() [L418] EXPR input_421 & mask_SORT_1 [L418] input_421 = input_421 & mask_SORT_1 [L419] input_435 = __VERIFIER_nondet_uchar() [L420] EXPR input_435 & mask_SORT_1 [L420] input_435 = input_435 & mask_SORT_1 [L421] input_436 = __VERIFIER_nondet_uchar() [L422] EXPR input_436 & mask_SORT_1 [L422] input_436 = input_436 & mask_SORT_1 [L423] input_448 = __VERIFIER_nondet_uchar() [L424] EXPR input_448 & mask_SORT_1 [L424] input_448 = input_448 & mask_SORT_1 [L425] input_449 = __VERIFIER_nondet_uchar() [L426] EXPR input_449 & mask_SORT_1 [L426] input_449 = input_449 & mask_SORT_1 [L427] input_459 = __VERIFIER_nondet_uchar() [L428] EXPR input_459 & mask_SORT_1 [L428] input_459 = input_459 & mask_SORT_1 [L429] input_460 = __VERIFIER_nondet_uchar() [L430] EXPR input_460 & mask_SORT_1 [L430] input_460 = input_460 & mask_SORT_1 [L431] input_472 = __VERIFIER_nondet_uchar() [L432] EXPR input_472 & mask_SORT_1 [L432] input_472 = input_472 & mask_SORT_1 [L433] input_473 = __VERIFIER_nondet_uchar() [L434] EXPR input_473 & mask_SORT_1 [L434] input_473 = input_473 & mask_SORT_1 [L435] input_487 = __VERIFIER_nondet_uchar() [L436] EXPR input_487 & mask_SORT_1 [L436] input_487 = input_487 & mask_SORT_1 [L437] input_488 = __VERIFIER_nondet_uchar() [L438] EXPR input_488 & mask_SORT_1 [L438] input_488 = input_488 & mask_SORT_1 [L439] input_522 = __VERIFIER_nondet_uchar() [L440] EXPR input_522 & mask_SORT_1 [L440] input_522 = input_522 & mask_SORT_1 [L441] input_523 = __VERIFIER_nondet_uchar() [L442] EXPR input_523 & mask_SORT_1 [L442] input_523 = input_523 & mask_SORT_1 [L443] input_531 = __VERIFIER_nondet_uchar() [L444] EXPR input_531 & mask_SORT_1 [L444] input_531 = input_531 & mask_SORT_1 [L445] input_532 = __VERIFIER_nondet_uchar() [L446] EXPR input_532 & mask_SORT_1 [L446] input_532 = input_532 & mask_SORT_1 [L447] input_542 = __VERIFIER_nondet_uchar() [L448] EXPR input_542 & mask_SORT_1 [L448] input_542 = input_542 & mask_SORT_1 [L449] input_543 = __VERIFIER_nondet_uchar() [L450] EXPR input_543 & mask_SORT_1 [L450] input_543 = input_543 & mask_SORT_1 [L451] input_555 = __VERIFIER_nondet_uchar() [L452] EXPR input_555 & mask_SORT_1 [L452] input_555 = input_555 & mask_SORT_1 [L453] input_556 = __VERIFIER_nondet_uchar() [L454] EXPR input_556 & mask_SORT_1 [L454] input_556 = input_556 & mask_SORT_1 [L457] SORT_2 var_87_arg_0 = var_86; [L458] SORT_2 var_87_arg_1 = state_78; [L459] EXPR var_87_arg_0 ^ var_87_arg_1 [L459] SORT_2 var_87 = var_87_arg_0 ^ var_87_arg_1; [L460] EXPR var_87 & mask_SORT_2 [L460] var_87 = var_87 & mask_SORT_2 [L461] SORT_2 var_88_arg_0 = var_85; [L462] SORT_2 var_88_arg_1 = var_87; [L463] SORT_1 var_88 = var_88_arg_0 == var_88_arg_1; [L464] SORT_1 var_89_arg_0 = ~state_83; [L465] EXPR var_89_arg_0 & mask_SORT_1 [L465] var_89_arg_0 = var_89_arg_0 & mask_SORT_1 [L466] SORT_1 var_89_arg_1 = var_88; [L467] EXPR var_89_arg_0 & var_89_arg_1 [L467] SORT_1 var_89 = var_89_arg_0 & var_89_arg_1; [L468] EXPR var_89 & mask_SORT_1 [L468] var_89 = var_89 & mask_SORT_1 [L469] SORT_1 bad_90_arg_0 = var_89; [L470] CALL __VERIFIER_assert(!(bad_90_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: 3.3s, 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: 0.1s SsaConstructionTime, 1.5s 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 05:39:12,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/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_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.6.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/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_329b5ab1-e895-41ee-8888-b84447ef59a1/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 5e5e7b037c46100729f51c7adb5e61e156906f5d25d4a150c97245c41afe40ba --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:39:16,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:39:16,209 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-14 05:39:16,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:39:16,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:39:16,282 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:39:16,283 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:39:16,284 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:39:16,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:39:16,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:39:16,286 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:39:16,286 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:39:16,287 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:39:16,287 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:39:16,287 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:39:16,287 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:39:16,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:39:16,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:39:16,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:39:16,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:39:16,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:39:16,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:39:16,289 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:39:16,289 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:39:16,290 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:39:16,290 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:39:16,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:39:16,290 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:39:16,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:39:16,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:39:16,291 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:39:16,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:39:16,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:39:16,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:39:16,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:39:16,291 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:39:16,291 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:39:16,292 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:39:16,292 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:39:16,292 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:39:16,292 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_329b5ab1-e895-41ee-8888-b84447ef59a1/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 -> 5e5e7b037c46100729f51c7adb5e61e156906f5d25d4a150c97245c41afe40ba [2024-11-14 05:39:16,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:39:16,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:39:16,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:39:16,669 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:39:16,669 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:39:16,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.6.prop1-func-interl.c Unable to find full path for "g++" [2024-11-14 05:39:19,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:39:19,781 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:39:19,782 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.6.prop1-func-interl.c [2024-11-14 05:39:19,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/data/496885deb/8da4d509032a45a1bf8ce71c0e9bd126/FLAG74706352b [2024-11-14 05:39:19,867 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/data/496885deb/8da4d509032a45a1bf8ce71c0e9bd126 [2024-11-14 05:39:19,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:39:19,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:39:19,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:39:19,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:39:19,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:39:19,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:39:19" (1/1) ... [2024-11-14 05:39:19,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b366af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:19, skipping insertion in model container [2024-11-14 05:39:19,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:39:19" (1/1) ... [2024-11-14 05:39:20,038 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:39:20,412 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_329b5ab1-e895-41ee-8888-b84447ef59a1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.6.prop1-func-interl.c[1180,1193] [2024-11-14 05:39:21,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:39:21,288 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:39:21,302 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_329b5ab1-e895-41ee-8888-b84447ef59a1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.6.prop1-func-interl.c[1180,1193] [2024-11-14 05:39:21,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:39:21,873 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:39:21,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:21 WrapperNode [2024-11-14 05:39:21,876 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:39:21,878 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:39:21,878 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:39:21,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:39:21,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:21" (1/1) ... [2024-11-14 05:39:21,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:21" (1/1) ... [2024-11-14 05:39:22,251 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5198 [2024-11-14 05:39:22,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:39:22,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:39:22,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:39:22,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:39:22,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:21" (1/1) ... [2024-11-14 05:39:22,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:21" (1/1) ... [2024-11-14 05:39:22,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:21" (1/1) ... [2024-11-14 05:39:22,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:21" (1/1) ... [2024-11-14 05:39:22,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:21" (1/1) ... [2024-11-14 05:39:22,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:21" (1/1) ... [2024-11-14 05:39:22,556 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:21" (1/1) ... [2024-11-14 05:39:22,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:21" (1/1) ... [2024-11-14 05:39:22,625 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:39:22,626 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:39:22,626 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:39:22,626 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:39:22,627 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:21" (1/1) ... [2024-11-14 05:39:22,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:39:22,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:39:22,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:39:22,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:39:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:39:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:39:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:39:22,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:39:24,051 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:39:24,054 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:39:34,772 INFO L? ?]: Removed 158 outVars from TransFormulas that were not future-live. [2024-11-14 05:39:34,772 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:39:34,781 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:39:34,782 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:39:34,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:39:34 BoogieIcfgContainer [2024-11-14 05:39:34,782 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:39:34,785 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:39:34,785 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:39:34,790 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:39:34,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:39:19" (1/3) ... [2024-11-14 05:39:34,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6690aed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:39:34, skipping insertion in model container [2024-11-14 05:39:34,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:21" (2/3) ... [2024-11-14 05:39:34,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6690aed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:39:34, skipping insertion in model container [2024-11-14 05:39:34,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:39:34" (3/3) ... [2024-11-14 05:39:34,793 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.peg_solitaire.6.prop1-func-interl.c [2024-11-14 05:39:34,811 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:39:34,813 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.peg_solitaire.6.prop1-func-interl.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:39:34,875 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:39:34,893 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;@464f8cd3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:39:34,893 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:39:34,898 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 05:39:34,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 05:39:34,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:34,906 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 05:39:34,908 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:39:34,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:34,914 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-14 05:39:34,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:39:34,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [192619690] [2024-11-14 05:39:34,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:34,934 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 05:39:34,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:39:34,936 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/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 05:39:34,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/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 05:39:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:36,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-14 05:39:36,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:36,400 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 05:39:36,402 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:39:36,403 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:39:36,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [192619690] [2024-11-14 05:39:36,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [192619690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:36,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:36,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:39:36,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578202674] [2024-11-14 05:39:36,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:36,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:39:36,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:39:36,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:39:36,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:39:36,443 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 05:39:38,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:38,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:38,166 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2024-11-14 05:39:38,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:39:38,170 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 05:39:38,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:38,178 INFO L225 Difference]: With dead ends: 17 [2024-11-14 05:39:38,178 INFO L226 Difference]: Without dead ends: 9 [2024-11-14 05:39:38,182 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 05:39:38,187 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.7s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:38,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-14 05:39:38,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-14 05:39:38,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-14 05:39:38,219 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 05:39:38,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-14 05:39:38,227 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-14 05:39:38,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:38,229 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-14 05:39:38,229 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 05:39:38,230 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-14 05:39:38,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 05:39:38,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:38,230 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-14 05:39:38,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-14 05:39:38,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/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 05:39:38,431 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:39:38,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:38,432 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-14 05:39:38,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:39:38,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318748663] [2024-11-14 05:39:38,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:38,436 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 05:39:38,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:39:38,438 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/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 05:39:38,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b5ab1-e895-41ee-8888-b84447ef59a1/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 05:39:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:40,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 170 conjuncts are in the unsatisfiable core [2024-11-14 05:39:40,607 INFO L278 TraceCheckSpWp]: Computing forward predicates...