./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label59.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/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_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label59.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/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 32bit --witnessprinter.graph.data.programhash c3365f1635b74f6a53afd889ed9f5ab40e7b8a98b6d57619b7925d1a2f204728 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:31:46,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:31:46,513 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:31:46,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:31:46,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:31:46,556 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:31:46,558 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:31:46,558 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:31:46,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:31:46,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:31:46,559 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:31:46,559 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:31:46,559 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:31:46,560 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:31:46,560 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:31:46,560 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:31:46,560 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:31:46,560 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:31:46,560 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:31:46,560 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:31:46,560 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:31:46,561 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:31:46,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:31:46,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:31:46,563 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:31:46,563 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:31:46,563 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:31:46,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:31:46,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:31:46,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:31:46,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:31:46,564 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:31:46,564 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:31:46,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:31:46,565 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:31:46,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:31:46,565 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:31:46,565 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:31:46,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:31:46,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:31:46,566 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:31:46,566 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:31:46,566 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:31:46,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:31:46,566 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:31:46,566 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:31:46,566 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:31:46,566 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_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3365f1635b74f6a53afd889ed9f5ab40e7b8a98b6d57619b7925d1a2f204728 [2024-11-14 04:31:46,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:31:46,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:31:46,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:31:46,916 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:31:46,916 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:31:46,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/eca-rers2012/Problem10_label59.c Unable to find full path for "g++" [2024-11-14 04:31:48,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:31:49,430 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:31:49,431 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/sv-benchmarks/c/eca-rers2012/Problem10_label59.c [2024-11-14 04:31:49,455 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/bin/utaipan-verify-sOmjnqqW8E/data/316297dd3/560326f3844945448bffd109220e77b0/FLAGfcffd0c8d [2024-11-14 04:31:49,488 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/bin/utaipan-verify-sOmjnqqW8E/data/316297dd3/560326f3844945448bffd109220e77b0 [2024-11-14 04:31:49,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:31:49,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:31:49,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:31:49,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:31:49,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:31:49,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:31:49" (1/1) ... [2024-11-14 04:31:49,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c4d69d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:49, skipping insertion in model container [2024-11-14 04:31:49,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:31:49" (1/1) ... [2024-11-14 04:31:49,557 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:31:49,838 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_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/sv-benchmarks/c/eca-rers2012/Problem10_label59.c[7385,7398] [2024-11-14 04:31:50,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:31:50,067 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:31:50,119 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_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/sv-benchmarks/c/eca-rers2012/Problem10_label59.c[7385,7398] [2024-11-14 04:31:50,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:31:50,267 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:31:50,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:50 WrapperNode [2024-11-14 04:31:50,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:31:50,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:31:50,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:31:50,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:31:50,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:50" (1/1) ... [2024-11-14 04:31:50,305 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:50" (1/1) ... [2024-11-14 04:31:50,403 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-14 04:31:50,403 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:31:50,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:31:50,404 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:31:50,404 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:31:50,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:50" (1/1) ... [2024-11-14 04:31:50,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:50" (1/1) ... [2024-11-14 04:31:50,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:50" (1/1) ... [2024-11-14 04:31:50,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:50" (1/1) ... [2024-11-14 04:31:50,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:50" (1/1) ... [2024-11-14 04:31:50,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:50" (1/1) ... [2024-11-14 04:31:50,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:50" (1/1) ... [2024-11-14 04:31:50,492 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:50" (1/1) ... [2024-11-14 04:31:50,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:31:50,508 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:31:50,508 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:31:50,508 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:31:50,510 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:50" (1/1) ... [2024-11-14 04:31:50,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:31:50,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:31:50,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:31:50,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:31:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:31:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:31:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:31:50,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:31:50,660 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:31:50,662 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:31:52,204 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-14 04:31:52,205 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:31:55,438 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:31:55,438 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:31:55,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:31:55 BoogieIcfgContainer [2024-11-14 04:31:55,439 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:31:55,442 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:31:55,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:31:55,450 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:31:55,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:31:49" (1/3) ... [2024-11-14 04:31:55,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2ccc84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:31:55, skipping insertion in model container [2024-11-14 04:31:55,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:31:50" (2/3) ... [2024-11-14 04:31:55,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2ccc84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:31:55, skipping insertion in model container [2024-11-14 04:31:55,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:31:55" (3/3) ... [2024-11-14 04:31:55,453 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label59.c [2024-11-14 04:31:55,472 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:31:55,474 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem10_label59.c that has 1 procedures, 9 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:31:55,530 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:31:55,543 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;@2cc0691a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:31:55,543 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:31:55,547 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:55,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 04:31:55,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:55,554 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 04:31:55,555 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:31:55,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:55,560 INFO L85 PathProgramCache]: Analyzing trace with hash 900070984, now seen corresponding path program 1 times [2024-11-14 04:31:55,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:31:55,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805056940] [2024-11-14 04:31:55,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:55,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:31:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:31:55,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:31:55,857 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:31:55,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805056940] [2024-11-14 04:31:55,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805056940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:31:55,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:31:55,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:31:55,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436314765] [2024-11-14 04:31:55,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:31:55,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:31:55,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:31:55,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:31:55,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:31:55,890 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:55,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:31:55,982 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2024-11-14 04:31:55,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:31:55,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-14 04:31:55,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:31:55,992 INFO L225 Difference]: With dead ends: 23 [2024-11-14 04:31:55,993 INFO L226 Difference]: Without dead ends: 11 [2024-11-14 04:31:55,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:31:56,003 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:31:56,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 7 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:31:56,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-14 04:31:56,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2024-11-14 04:31:56,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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 04:31:56,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-11-14 04:31:56,042 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2024-11-14 04:31:56,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:31:56,042 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2024-11-14 04:31:56,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:31:56,043 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-11-14 04:31:56,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-14 04:31:56,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:56,044 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-14 04:31:56,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:31:56,045 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:31:56,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:56,046 INFO L85 PathProgramCache]: Analyzing trace with hash 182908722, now seen corresponding path program 1 times [2024-11-14 04:31:56,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:31:56,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713452515] [2024-11-14 04:31:56,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:56,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:31:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:32:12,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:32:12,523 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:32:12,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713452515] [2024-11-14 04:32:12,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713452515] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:32:12,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350952593] [2024-11-14 04:32:12,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:32:12,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:32:12,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:32:12,527 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:32:12,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:32:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:32:12,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 04:32:12,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:32:14,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:32:14,266 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:32:35,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:32:35,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350952593] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:32:35,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [959033588] [2024-11-14 04:32:35,062 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2024-11-14 04:32:35,062 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:32:35,065 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:32:35,068 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:32:35,069 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:32:36,106 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 61 [2024-11-14 04:32:38,277 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 15440 conjunctions. This might take some time... [2024-11-14 04:32:38,877 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 80 conjunctions. [2024-11-14 04:32:38,882 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 61 [2024-11-14 04:32:41,663 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 15440 conjunctions. This might take some time... [2024-11-14 04:32:42,195 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 80 conjunctions. [2024-11-14 04:33:42,272 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 60 [2024-11-14 04:33:43,133 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 17960 conjunctions. This might take some time... [2024-11-14 04:33:43,445 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 50 conjunctions. [2024-11-14 04:33:43,447 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 60 [2024-11-14 04:33:44,294 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 17960 conjunctions. This might take some time... [2024-11-14 04:33:44,635 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 50 conjunctions. [2024-11-14 04:34:56,586 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 60 [2024-11-14 04:34:57,351 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 17960 conjunctions. This might take some time... [2024-11-14 04:34:57,657 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 50 conjunctions. [2024-11-14 04:34:57,659 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 60 [2024-11-14 04:34:58,444 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 17960 conjunctions. This might take some time... [2024-11-14 04:34:58,802 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 50 conjunctions. [2024-11-14 04:34:58,817 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 60 [2024-11-14 04:34:59,683 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 17960 conjunctions. This might take some time... [2024-11-14 04:35:00,047 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 50 conjunctions. [2024-11-14 04:36:12,467 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 60 [2024-11-14 04:36:13,286 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 17960 conjunctions. This might take some time... [2024-11-14 04:36:13,616 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 50 conjunctions. [2024-11-14 04:36:13,622 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:36:15,818 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse11 (= c_~a4~0 14)) (.cse12 (= 9 c_~a19~0)) (.cse54 (= c_~a10~0 0)) (.cse16 (= c_~a12~0 0))) (or (exists ((v_~a1~0_887 Int) (v_~a19~0_855 Int) (|v_ULTIMATE.start_calculate_output_~input#1_484| Int) (v_~a10~0_870 Int) (|v_ULTIMATE.start_main_~output~0#1_11| Int)) (let ((.cse263 (+ v_~a1~0_887 12)) (.cse31 (= v_~a10~0_870 1))) (let ((.cse6 (= |v_ULTIMATE.start_calculate_output_~input#1_484| 6)) (.cse8 (= 5 |v_ULTIMATE.start_calculate_output_~input#1_484|)) (.cse4 (not .cse31)) (.cse9 (= |v_ULTIMATE.start_calculate_output_~input#1_484| 3)) (.cse5 (= |v_ULTIMATE.start_calculate_output_~input#1_484| 2)) (.cse2 (< 38 v_~a1~0_887)) (.cse3 (< .cse263 0)) (.cse0 (not .cse11)) (.cse1 (not .cse16)) (.cse7 (= |v_ULTIMATE.start_calculate_output_~input#1_484| 4))) (and (<= |v_ULTIMATE.start_main_~output~0#1_11| 2147483647) (or .cse0 .cse1 .cse2 .cse3 (not (= v_~a19~0_855 6)) .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9) (let ((.cse17 (= v_~a1~0_887 c_~a1~0)) (.cse14 (= |v_ULTIMATE.start_main_~output~0#1_11| 24)) (.cse10 (= c_~a10~0 1)) (.cse18 (<= 219 v_~a1~0_887)) (.cse15 (= v_~a19~0_855 9)) (.cse13 (= v_~a10~0_870 4))) (or (and .cse10 .cse11 .cse12 .cse13 .cse7 .cse14 .cse15 .cse16 .cse17 .cse18) (let ((.cse33 (< v_~a1~0_887 219)) (.cse84 (not .cse13)) (.cse27 (not .cse15)) (.cse28 (not .cse7))) (and (let ((.cse147 (<= 0 .cse263)) (.cse110 (<= v_~a1~0_887 38)) (.cse142 (<= v_~a1~0_887 218)) (.cse143 (<= 39 v_~a1~0_887)) (.cse23 (= (mod (+ v_~a1~0_887 4) 5) 0))) (let ((.cse25 (not .cse23)) (.cse21 (or (and .cse147 .cse110) (and .cse142 .cse143))) (.cse20 (= |v_ULTIMATE.start_main_~output~0#1_11| 22)) (.cse22 (= c_~a10~0 2)) (.cse19 (= v_~a10~0_870 0))) (or (and .cse11 .cse12 .cse7 .cse19 .cse20 .cse21 .cse22 (let ((.cse24 (div (+ (- 227431) v_~a1~0_887) 5))) (or (and (or .cse23 (< 227430 v_~a1~0_887)) (= .cse24 c_~a1~0)) (and (<= v_~a1~0_887 227430) (= (+ .cse24 1) c_~a1~0) .cse25))) .cse15 .cse16) (let ((.cse192 (< 218 v_~a1~0_887)) (.cse193 (< v_~a1~0_887 39))) (let ((.cse26 (and (or .cse192 .cse193) (or .cse2 .cse3))) (.cse29 (not .cse19))) (and (or .cse0 .cse1 .cse26 .cse27 .cse28 .cse29) (let ((.cse30 (= v_~a19~0_855 10))) (or (and .cse10 .cse5 .cse11 .cse30 .cse12 .cse20 .cse31 .cse16 .cse17 .cse18) (let ((.cse32 (not .cse5)) (.cse34 (not .cse30))) (and (or .cse0 .cse32 .cse1 .cse33 .cse34 .cse4) (let ((.cse36 (= 10 c_~a19~0)) (.cse35 (= |v_ULTIMATE.start_main_~output~0#1_11| 25))) (or (and .cse10 .cse35 .cse11 .cse36 .cse31 .cse15 .cse16 .cse17 .cse18 .cse9) (let ((.cse60 (not .cse9))) (and (let ((.cse259 (+ v_~a1~0_887 13)) (.cse262 (* v_~a1~0_887 9))) (let ((.cse50 (div .cse262 10)) (.cse169 (+ v_~a1~0_887 1)) (.cse237 (<= .cse259 0))) (let ((.cse246 (and .cse237 .cse31)) (.cse247 (and .cse19 .cse18)) (.cse261 (= (mod .cse262 10) 0)) (.cse225 (< 0 .cse169)) (.cse260 (+ 2 .cse50)) (.cse44 (+ .cse50 1))) (let ((.cse39 (+ 13 c_~a1~0)) (.cse46 (<= .cse44 0)) (.cse42 (<= .cse260 0)) (.cse45 (or .cse261 .cse225)) (.cse38 (not .cse261)) (.cse49 (< 0 .cse44)) (.cse43 (< 0 .cse260)) (.cse53 (or .cse246 (and .cse142 .cse19 .cse143) .cse247)) (.cse51 (= 8 c_~a19~0)) (.cse52 (= (+ |v_ULTIMATE.start_main_~output~0#1_11| 1) 0)) (.cse37 (<= .cse169 0))) (or (and .cse11 (or (and .cse37 .cse38 (let ((.cse40 (mod .cse44 25))) (let ((.cse41 (= .cse40 0))) (or (and (= .cse39 .cse40) (not .cse41) .cse42) (and (= (+ .cse40 12) c_~a1~0) (or .cse43 .cse41)))))) (and .cse45 (let ((.cse47 (mod .cse50 25))) (let ((.cse48 (= .cse47 0))) (or (and .cse46 (= .cse39 .cse47) (not .cse48)) (and (or .cse48 .cse49) (= (+ 12 .cse47) c_~a1~0))))))) .cse30 .cse51 .cse52 .cse53 .cse22 .cse16 .cse8) (let ((.cse236 (< 0 .cse259))) (let ((.cse244 (or .cse236 .cse4)) (.cse245 (or .cse33 .cse29))) (let ((.cse85 (and .cse244 (or .cse192 .cse193 .cse29) .cse245)) (.cse72 (not .cse8))) (and (let ((.cse56 (= |v_ULTIMATE.start_main_~output~0#1_11| 26)) (.cse55 (= v_~a10~0_870 3))) (or (and .cse5 .cse11 .cse12 .cse21 .cse54 .cse55 .cse15 .cse16 .cse56 (let ((.cse58 (+ v_~a1~0_887 513170)) (.cse57 (div (+ v_~a1~0_887 513169) 5))) (or (and (= (+ 374179 .cse57) c_~a1~0) (or .cse23 (< 0 .cse58))) (and (<= .cse58 0) (= (+ 374180 .cse57) c_~a1~0) .cse25)))) (let ((.cse170 (not .cse55))) (and (let ((.cse183 (mod v_~a1~0_887 299993))) (let ((.cse258 (= .cse183 0))) (let ((.cse185 (or .cse258 .cse225)) (.cse177 (not .cse258))) (let ((.cse194 (= v_~a10~0_870 2)) (.cse161 (or (and (= .cse183 (+ c_~a1~0 300007)) .cse185) (and .cse177 .cse37 (= .cse183 (+ 600000 c_~a1~0)))))) (or (let ((.cse59 (not .cse194))) (and (or .cse59 .cse0 .cse60 .cse1 .cse27 .cse2) (let ((.cse191 (* v_~a1~0_887 2)) (.cse171 (* v_~a1~0_887 10))) (or (and (or .cse0 .cse60 .cse1 .cse2 .cse3 .cse34 .cse4) (let ((.cse64 (mod v_~a1~0_887 25))) (let ((.cse62 (= (mod (+ v_~a1~0_887 3) 5) 0)) (.cse248 (= .cse64 0))) (let ((.cse65 (or 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.cse1 .cse33 .cse34 .cse4) (or (and (let ((.cse167 (div (+ v_~a1~0_887 (- 223754)) 5)) (.cse168 (= (mod .cse169 5) 0))) (or (and (<= v_~a1~0_887 223753) (= (+ 265623 .cse167) c_~a1~0) (not .cse168)) (and (= (+ .cse167 265622) c_~a1~0) (or (< 223753 v_~a1~0_887) .cse168)))) .cse11 .cse12 .cse52 .cse21 .cse54 .cse55 .cse15 .cse16 .cse9) (and (or .cse0 .cse60 .cse1 .cse26 .cse170 .cse27) (or (and .cse5 .cse142 .cse11 .cse30 (= (+ (* 5 (div .cse171 9)) c_~a1~0 333686) 0) .cse52 .cse31 .cse143 .cse108 .cse16 .cse162) (and (or (and (or .cse72 .cse0 .cse1 .cse2 .cse3 .cse34 .cse4) (or (and .cse11 .cse30 (= (+ 56 (mod (+ .cse86 20) 89)) c_~a1~0) .cse51 .cse52 .cse31 .cse108 .cse16 .cse18 .cse8) (and (or .cse72 .cse0 .cse1 .cse33 .cse34 .cse4) (or (and (or (and (or (and (or .cse0 .cse1 .cse26 .cse170 .cse27 .cse71) (or (and .cse6 .cse11 .cse30 .cse36 .cse19 .cse52 .cse110 .cse54 (let ((.cse182 (+ c_~a1~0 352230)) (.cse174 (= (mod .cse183 5) 0)) (.cse178 (+ 352229 c_~a1~0)) (.cse184 (div .cse183 5))) (let ((.cse180 (= (mod (+ .cse183 2) 5) 0)) (.cse175 (and (= .cse178 .cse184) .cse185)) (.cse176 (not .cse174)) (.cse173 (and (= .cse184 .cse182) .cse185)) (.cse179 (div (+ .cse183 (- 299993)) 5))) (or (and (let ((.cse172 (and .cse177 .cse37 (= .cse178 .cse179)))) (or (and (or .cse172 .cse173) .cse174) (and (or .cse172 .cse175) .cse176))) (not .cse180)) (and .cse180 (let ((.cse181 (and .cse177 .cse37 (= .cse182 .cse179)))) (or (and (or .cse181 .cse175) .cse176) (and .cse174 (or .cse181 .cse173)))))))) .cse16) (and (or (and (or .cse85 .cse0 .cse32 .cse1 .cse34) (or (and (or (and (or .cse0 .cse32 .cse1 .cse26 .cse27 .cse29) (or (and .cse10 .cse5 .cse11 .cse36 .cse31 .cse21 .cse15 (= 12 c_~a1~0) .cse16 .cse56) (and (or .cse0 .cse32 .cse1 .cse26 .cse27 .cse4) (or (and .cse11 .cse51 .cse52 .cse31 .cse21 .cse22 .cse15 .cse16 (= v_~a1~0_887 (+ 438195 c_~a1~0)) .cse8) (and (or .cse72 .cse0 .cse1 .cse26 .cse27 .cse4) (or (and .cse10 .cse35 .cse6 .cse11 .cse12 .cse19 .cse21 .cse15 .cse16 (let ((.cse186 (mod (+ v_~a1~0_887 36) 89))) (let ((.cse188 (= .cse186 0)) (.cse187 (+ v_~a1~0_887 345535))) (or (and (= (+ .cse186 110) c_~a1~0) (or (< 0 .cse187) .cse188)) (and (not .cse188) (<= .cse187 0) (= (+ .cse186 21) c_~a1~0)))))) (and (or (and .cse6 .cse11 .cse12 .cse13 .cse52 (let ((.cse190 (mod (+ 31 .cse191) 89))) (let ((.cse189 (= .cse190 0))) (or (and (or (< 213539 v_~a1~0_887) .cse189) (= (+ .cse190 207) c_~a1~0)) (and (<= v_~a1~0_887 213539) (= (+ .cse190 118) c_~a1~0) (not .cse189))))) .cse21 .cse15 .cse108 .cse16) (and (or (and .cse142 .cse11 .cse30 .cse12 .cse52 .cse31 .cse143 (= (+ .cse86 180866) c_~a1~0) .cse108 .cse16 .cse9) (and (or .cse0 .cse60 .cse1 .cse192 .cse193 .cse34 .cse4) (or (and (or .cse59 .cse0 .cse1 .cse27 .cse2 .cse28) (or (and .cse11 .cse51 .cse52 (= .cse50 (+ 545163 c_~a1~0)) .cse31 .cse15 .cse108 .cse16 .cse18 .cse8) (and (or .cse72 .cse0 .cse1 .cse33 .cse27 .cse4) (or (and .cse11 .cse51 .cse13 .cse52 .cse21 .cse22 (= (+ v_~a1~0_887 592110) c_~a1~0) .cse15 .cse16 .cse8) (and (or (and .cse147 .cse5 .cse11 .cse30 .cse110 .cse31 .cse16 .cse56) (and (= (+ |v_ULTIMATE.start_main_~output~0#1_11| 2) 0) (or .cse0 .cse32 .cse1 .cse2 .cse3 .cse34 .cse4))) (= v_~a19~0_855 c_~a19~0) (or .cse72 .cse0 .cse1 .cse26 .cse84 .cse27) (= c_~a10~0 v_~a10~0_870) .cse17))))) (and .cse194 .cse11 .cse12 .cse7 .cse110 .cse14 .cse22 .cse15 .cse16 .cse195)))) (or .cse0 .cse1 .cse26 .cse84 .cse27 .cse71))) (or .cse0 .cse1 .cse26 .cse27 .cse29 .cse71)))))))) (and .cse5 .cse11 .cse12 .cse19 .cse21 .cse54 .cse15 .cse16 .cse56 (= c_~a1~0 (+ .cse86 517989)))) (or .cse59 .cse0 .cse1 .cse27 .cse2 .cse71)) (and .cse35 .cse194 .cse6 .cse11 .cse12 .cse110 .cse22 .cse15 .cse16 (let ((.cse207 (div (+ (- 12) .cse206) 5))) (let ((.cse199 (and (= (+ .cse207 1) c_~a1~0) .cse76)) (.cse200 (and .cse76 (= .cse207 c_~a1~0))) (.cse197 (and (= c_~a1~0 (div (+ .cse206 13) 5)) .cse76)) (.cse205 (and (= (div (+ 13 .cse204) 5) c_~a1~0) .cse78 .cse37))) (let ((.cse198 (and (or .cse197 .cse205) .cse122)) (.cse201 (and (or (and .cse127 (or .cse205 .cse199) .cse130) (and (or .cse205 .cse200) .cse126)) .cse131)) (.cse202 (div (+ (- 12) .cse204) 5))) (or (and .cse120 (let ((.cse196 (and .cse78 .cse37 (= .cse202 c_~a1~0)))) (or (and .cse113 (or (and .cse116 (or .cse196 .cse197) .cse117) .cse198)) (and .cse123 .cse134 (or (and .cse116 (or (and .cse127 (or .cse196 .cse199) .cse130) (and (or .cse196 .cse200) .cse126)) .cse117) .cse201))))) (and .cse118 .cse119 (let ((.cse203 (and (= c_~a1~0 (+ .cse202 1)) .cse78 .cse37))) (or (and .cse113 (or .cse198 (and (or .cse203 .cse197) .cse116 .cse117))) (and (or .cse201 (and (or (and (or .cse203 .cse200) .cse126) (and (or .cse203 .cse199) .cse127 .cse130)) .cse116 .cse117)) .cse123 .cse134))))))))))) (and .cse5 .cse11 .cse30 .cse12 .cse20 (or (and (= (div (+ 14 .cse64) 5) c_~a1~0) .cse65) (and .cse66 .cse37 .cse166)) .cse53 .cse22 .cse16)) (or .cse0 .cse1 .cse2 .cse34 .cse29 .cse71)))) (and .cse10 .cse6 .cse11 .cse12 .cse52 .cse21 .cse55 .cse15 (= v_~a1~0_887 (+ 599476 c_~a1~0)) .cse16)) (or .cse0 .cse32 .cse1 .cse26 .cse84 .cse27)) (and .cse5 .cse11 .cse12 .cse13 (let ((.cse209 (* .cse211 (- 1)))) (or (and .cse208 (= (div (+ .cse209 1005) 10) c_~a1~0)) (and (= (div (+ .cse209 1094) 10) c_~a1~0) .cse37 .cse210))) .cse52 .cse21 .cse15 .cse69 .cse16)) (or .cse0 .cse212 .cse32 .cse1 .cse27)) (and .cse10 .cse5 .cse11 .cse12 .cse52 .cse161 .cse15 .cse16 .cse109))))) (and .cse147 .cse11 .cse30 .cse52 .cse110 .cse31 .cse54 (let ((.cse213 (div (+ v_~a1~0_887 (- 283353)) 5))) (or (and (= (+ 495232 c_~a1~0) .cse213) .cse79) (and .cse81 (= (+ 495231 c_~a1~0) .cse213)))) .cse16 .cse8 .cse162)) (or .cse0 .cse32 .cse1 .cse192 .cse193 .cse34 .cse4)))))))) (or .cse72 .cse0 .cse1 .cse2 .cse34 .cse29))))) (or .cse72 .cse0 .cse1 .cse192 .cse193 .cse34 .cse4)) (and (let ((.cse215 (mod .cse217 25))) (let ((.cse216 (= (div (+ .cse215 1) 5) c_~a1~0))) (or (and (<= .cse215 23) .cse63 .cse216) (and (or (< 23 .cse215) .cse62) .cse216)))) .cse142 .cse11 .cse30 .cse52 .cse31 .cse143 .cse22 .cse83 .cse16 .cse8)) (or .cse72 .cse0 .cse212 .cse1 .cse27))))))))) (and .cse6 .cse11 .cse30 .cse12 .cse14 .cse53 (let ((.cse219 (and (= .cse105 .cse221) .cse37 .cse38)) (.cse220 (and (= .cse223 .cse105) .cse37 .cse38))) (or (and (let ((.cse218 (and .cse45 (= .cse221 .cse97)))) (or (and (or .cse218 .cse219) .cse92) (and .cse88 (or .cse218 .cse220) .cse42))) .cse87) (and .cse46 (let ((.cse222 (and .cse45 (= .cse223 .cse97)))) (or (and .cse99 (or .cse222 .cse219)) (and .cse88 .cse42 (or .cse220 .cse222)))) .cse102))) .cse22 .cse16)) (or .cse0 .cse60 .cse1 .cse26 .cse27 .cse29)) (and .cse10 .cse35 (or (and (= (+ 505228 .cse77) c_~a1~0) .cse76) (and (= (+ 505229 .cse77) c_~a1~0) .cse78 .cse37)) .cse11 .cse12 .cse19 .cse21 .cse15 .cse16 .cse9)))))) (or .cse59 .cse72 .cse0 .cse1 .cse27 .cse2)) (and .cse194 .cse11 .cse51 .cse139 .cse52 .cse110 .cse54 .cse15 .cse16 .cse8)) (or .cse0 .cse1 .cse27 .cse75 .cse71)) (and .cse6 .cse11 .cse12 .cse73 .cse52 .cse112 .cse22 .cse15 .cse16))))) (and .cse11 .cse12 .cse146 .cse161 .cse15 .cse68 .cse69 .cse16 .cse8)) (or .cse72 .cse0 .cse1 .cse27 .cse75)))) (or .cse0 .cse60 .cse1 .cse26 .cse84 .cse27))) (or .cse0 .cse212 .cse1 .cse27 .cse28)) (and .cse11 (or (and .cse37 (= c_~a1~0 (+ .cse211 38)) .cse210) (and .cse208 (= (+ .cse211 127) c_~a1~0))) .cse12 .cse7 .cse52 .cse15 .cse69 .cse16 .cse109))))))) (or .cse0 .cse1 .cse192 .cse193 .cse34 .cse4 .cse71))) (or .cse0 .cse60 .cse1 .cse27 .cse75))) (or .cse0 .cse1 .cse26 .cse27 .cse28 .cse4)) (and .cse10 .cse11 .cse36 .cse7 .cse14 .cse31 .cse21 (let ((.cse227 (= (mod (+ v_~a1~0_887 8) 9) 0)) (.cse226 (div (+ (- 5014630) .cse171) 9))) (or (and (= .cse226 c_~a1~0) (or (< 501462 v_~a1~0_887) .cse227)) (and (<= v_~a1~0_887 501462) (not .cse227) (= (+ .cse226 1) c_~a1~0)))) .cse15 .cse16))) (and .cse11 .cse12 .cse13 .cse7 .cse52 (let ((.cse229 (mod (+ v_~a1~0_887 63) 89))) (let ((.cse230 (= .cse229 0)) (.cse228 (+ v_~a1~0_887 567083))) (or (and (<= .cse228 0) (= .cse229 (+ c_~a1~0 27)) (not .cse230)) (and (= (+ .cse229 62) c_~a1~0) (or .cse230 (< 0 .cse228)))))) .cse21 .cse15 .cse108 .cse16)) (or .cse0 .cse60 .cse1 .cse2 .cse34 .cse29))) (or .cse0 .cse1 .cse33 .cse27 .cse4 .cse71)) (and .cse10 .cse6 .cse11 .cse12 .cse14 .cse31 .cse15 .cse16 .cse17 .cse18)) (or .cse72 .cse0 .cse1 .cse26 .cse170 .cse27))) (or .cse0 .cse212 .cse1 .cse27 .cse71)))))))))) (or .cse0 .cse32 .cse1 .cse2 .cse34 .cse29)))) (or .cse0 .cse1 .cse33 .cse34 .cse4 .cse71)) (and .cse10 .cse6 .cse11 .cse30 (= v_~a1~0_887 (+ c_~a1~0 600219)) .cse36 .cse52 .cse31 .cse16 .cse18)) (or .cse0 .cse1 .cse26 .cse170 .cse27 .cse28)) (and .cse11 .cse12 .cse7 .cse52 .cse21 .cse55 .cse15 .cse69 .cse16 (= .cse86 (+ 102279 c_~a1~0)))) (or .cse59 .cse0 .cse32 .cse1 .cse27 .cse2)) (and .cse35 .cse194 .cse5 .cse11 .cse12 .cse110 .cse22 (or (and .cse177 .cse37 (= .cse183 .cse223)) (and (= .cse183 .cse221) .cse185)) .cse15 .cse16)))))))) (and .cse147 .cse6 .cse11 .cse30 .cse12 .cse110 .cse14 .cse31 .cse22 .cse16 (or (and .cse78 .cse37 (= (+ 175792 c_~a1~0) .cse77)) (and .cse76 (= .cse77 (+ 175793 c_~a1~0)))))) (or .cse0 .cse60 .cse212 .cse1 .cse27))))) (or .cse0 .cse32 .cse1 .cse70 .cse27)))))))) (or .cse0 .cse32 .cse1 .cse33 .cse27 .cse4)))) (or .cse0 .cse1 .cse33 .cse27 .cse28 .cse4)))) (and .cse11 .cse30 .cse12 .cse7 .cse14 .cse53 .cse22 .cse16 .cse195))))))))) (or .cse0 .cse1 .cse26 .cse27 .cse4 .cse71))))))))))) (and .cse10 .cse11 .cse51 .cse19 .cse52 .cse21 .cse15 .cse16 (or (and .cse78 .cse37 (= (+ .cse77 331502) c_~a1~0)) (and .cse76 (= (+ 331501 .cse77) c_~a1~0))) .cse8)))) (or .cse0 .cse1 .cse192 .cse193 .cse28 .cse34 .cse4)) (and .cse10 .cse142 .cse11 .cse30 .cse12 .cse7 .cse14 .cse31 (= (* (div (* v_~a1~0_887 57) 10) 25) c_~a1~0) .cse143 .cse16))))))))) (and .cse147 .cse10 .cse11 .cse30 .cse12 .cse20 .cse110 .cse31 .cse16 (let ((.cse256 (div (+ .cse171 2215650) 9))) (let ((.cse255 (+ .cse256 1)) (.cse252 (= (mod .cse256 5) 0)) (.cse257 (div (+ 443130 .cse191) 9))) (let ((.cse250 (= (+ .cse257 1) c_~a1~0)) (.cse251 (not .cse252)) (.cse253 (= .cse257 c_~a1~0)) (.cse254 (+ 2 .cse256)) (.cse249 (= (mod .cse255 5) 0))) (or (and (not .cse249) (or (and .cse250 .cse251) (and .cse252 .cse253)) (<= .cse254 0)) (and (or (and .cse250 .cse251 (<= .cse255 0)) (and (or .cse252 (< 0 .cse255)) .cse253)) (or (< 0 .cse254) .cse249)))))) .cse9))))) (and .cse194 .cse11 .cse12 .cse20 .cse110 .cse161 .cse22 .cse15 .cse16 .cse9)))))) (or .cse0 .cse32 .cse1 .cse26 .cse170 .cse27))))) (or .cse85 .cse72 .cse0 .cse1 .cse34)))))))))) (or .cse0 .cse60 .cse1 .cse33 .cse27 .cse4))))))))))))))) (or .cse0 .cse1 .cse33 .cse84 .cse27 .cse28))))) (<= 0 (+ |v_ULTIMATE.start_main_~output~0#1_11| 2147483648)))))) (let ((.cse264 (select |c_#memory_int| 1))) (and (= (select |c_#valid| 0) 0) (= 3 c_~inputC~0) (= (select |c_#valid| 3) 1) .cse11 .cse12 (= 2 (select |c_#length| 1)) (= (select |c_#valid| 1) 1) (= 23 c_~a1~0) (<= 1 |c_#StackHeapBarrier|) (= c_~inputF~0 6) (= (select |c_#valid| 2) 1) (= (select .cse264 1) 0) .cse54 (= c_~inputD~0 4) (= (select |c_#length| 3) 12) (= 2 c_~inputB~0) (= 5 c_~inputE~0) .cse16 (= 48 (select .cse264 0)) (= (select |c_#length| 2) 20))))) is different from true [2024-11-14 04:36:15,882 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '111#(and (= ~a10~0 0) (= ~a19~0 9) (<= (+ ~a1~0 13) 0) (or (= |ULTIMATE.start_calculate_output_~input#1| 6) (= |ULTIMATE.start_calculate_output_~input#1| 2) (= |ULTIMATE.start_calculate_output_~input#1| 3) (= |ULTIMATE.start_calculate_output_~input#1| 4) (= |ULTIMATE.start_calculate_output_~input#1| 5)) (= 14 ~a4~0) (= ~a12~0 0))' at error location [2024-11-14 04:36:15,883 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:36:15,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:36:15,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-14 04:36:15,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095152866] [2024-11-14 04:36:15,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:36:15,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 04:36:15,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:36:15,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 04:36:15,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=77, Unknown=1, NotChecked=18, Total=132 [2024-11-14 04:36:15,886 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 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 04:36:16,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:36:16,024 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2024-11-14 04:36:16,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:36:16,025 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 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 9 [2024-11-14 04:36:16,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:36:16,026 INFO L225 Difference]: With dead ends: 21 [2024-11-14 04:36:16,026 INFO L226 Difference]: Without dead ends: 19 [2024-11-14 04:36:16,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=36, Invalid=77, Unknown=1, NotChecked=18, Total=132 [2024-11-14 04:36:16,027 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 2 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:36:16,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:36:16,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-14 04:36:16,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2024-11-14 04:36:16,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 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 04:36:16,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2024-11-14 04:36:16,032 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 9 [2024-11-14 04:36:16,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:36:16,032 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2024-11-14 04:36:16,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 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 04:36:16,033 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2024-11-14 04:36:16,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-14 04:36:16,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:36:16,034 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1] [2024-11-14 04:36:16,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:36:16,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:36:16,238 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:36:16,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:36:16,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1529076230, now seen corresponding path program 2 times [2024-11-14 04:36:16,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:36:16,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693273300] [2024-11-14 04:36:16,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:36:16,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:36:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:37:08,036 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:37:08,037 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:37:08,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693273300] [2024-11-14 04:37:08,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693273300] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:37:08,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33568277] [2024-11-14 04:37:08,037 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 04:37:08,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:37:08,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:37:08,041 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:37:08,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54dba1e1-95ff-4494-aa6f-1d55e2f3d043/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 04:37:08,242 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-14 04:37:08,242 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:37:08,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-14 04:37:08,261 INFO L278 TraceCheckSpWp]: Computing forward predicates...