./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b88007960cae79b63604455924d89f4d8e6ff83730f3fe3600fe1cad3b333850 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:14:57,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:14:58,028 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 21:14:58,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:14:58,040 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:14:58,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:14:58,091 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:14:58,092 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:14:58,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:14:58,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:14:58,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:14:58,102 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:14:58,103 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:14:58,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:14:58,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:14:58,106 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:14:58,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:14:58,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:14:58,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:14:58,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:14:58,109 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:14:58,110 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:14:58,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:14:58,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:14:58,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:14:58,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:14:58,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:14:58,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:14:58,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:14:58,116 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:14:58,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:14:58,118 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:14:58,118 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:14:58,118 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:14:58,119 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:14:58,119 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:14:58,120 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b88007960cae79b63604455924d89f4d8e6ff83730f3fe3600fe1cad3b333850 [2023-11-06 21:14:58,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:14:58,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:14:58,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:14:58,550 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:14:58,551 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:14:58,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p5.c [2023-11-06 21:15:02,096 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:15:02,490 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:15:02,491 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p5.c [2023-11-06 21:15:02,515 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/data/9bce55afb/346b61b7ba3047008e26ddff6fe9c10c/FLAG83598ec54 [2023-11-06 21:15:02,529 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/data/9bce55afb/346b61b7ba3047008e26ddff6fe9c10c [2023-11-06 21:15:02,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:15:02,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:15:02,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:15:02,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:15:02,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:15:02,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:15:02" (1/1) ... [2023-11-06 21:15:02,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e34c762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:02, skipping insertion in model container [2023-11-06 21:15:02,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:15:02" (1/1) ... [2023-11-06 21:15:02,634 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:15:02,840 WARN L240 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_97ec42f2-3cd0-4719-99ab-6825162a4ef7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p5.c[1260,1273] [2023-11-06 21:15:03,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:15:03,329 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:15:03,338 WARN L240 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_97ec42f2-3cd0-4719-99ab-6825162a4ef7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p5.c[1260,1273] [2023-11-06 21:15:03,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:15:03,736 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:15:03,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:03 WrapperNode [2023-11-06 21:15:03,736 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:15:03,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:15:03,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:15:03,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:15:03,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:03" (1/1) ... [2023-11-06 21:15:03,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:03" (1/1) ... [2023-11-06 21:15:04,493 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5185 [2023-11-06 21:15:04,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:15:04,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:15:04,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:15:04,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:15:04,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:03" (1/1) ... [2023-11-06 21:15:04,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:03" (1/1) ... [2023-11-06 21:15:04,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:03" (1/1) ... [2023-11-06 21:15:04,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:03" (1/1) ... [2023-11-06 21:15:04,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:03" (1/1) ... [2023-11-06 21:15:05,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:03" (1/1) ... [2023-11-06 21:15:05,053 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:03" (1/1) ... [2023-11-06 21:15:05,077 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:03" (1/1) ... [2023-11-06 21:15:05,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:15:05,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:15:05,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:15:05,267 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:15:05,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:03" (1/1) ... [2023-11-06 21:15:05,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:15:05,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:15:05,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:15:05,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:15:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:15:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:15:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:15:05,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:15:06,048 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:15:06,050 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:15:10,163 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:15:10,179 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:15:10,180 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:15:10,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:15:10 BoogieIcfgContainer [2023-11-06 21:15:10,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:15:10,187 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:15:10,187 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:15:10,191 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:15:10,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:15:02" (1/3) ... [2023-11-06 21:15:10,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4540c856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:15:10, skipping insertion in model container [2023-11-06 21:15:10,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:03" (2/3) ... [2023-11-06 21:15:10,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4540c856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:15:10, skipping insertion in model container [2023-11-06 21:15:10,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:15:10" (3/3) ... [2023-11-06 21:15:10,194 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsa16a_p5.c [2023-11-06 21:15:10,215 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:15:10,215 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:15:10,304 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:15:10,310 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@58625b75, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:15:10,311 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:15:10,321 INFO L276 IsEmpty]: Start isEmpty. Operand has 1017 states, 1015 states have (on average 1.6650246305418719) internal successors, (1690), 1016 states have internal predecessors, (1690), 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) [2023-11-06 21:15:10,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-06 21:15:10,332 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:15:10,333 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:10,334 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:15:10,339 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:10,340 INFO L85 PathProgramCache]: Analyzing trace with hash -502918280, now seen corresponding path program 1 times [2023-11-06 21:15:10,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:10,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791882178] [2023-11-06 21:15:10,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:10,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:11,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:11,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:11,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791882178] [2023-11-06 21:15:11,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791882178] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:11,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:11,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 21:15:11,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612235068] [2023-11-06 21:15:11,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:11,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:15:11,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:11,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:15:11,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:15:11,650 INFO L87 Difference]: Start difference. First operand has 1017 states, 1015 states have (on average 1.6650246305418719) internal successors, (1690), 1016 states have internal predecessors, (1690), 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 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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) [2023-11-06 21:15:12,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:15:12,264 INFO L93 Difference]: Finished difference Result 3947 states and 6570 transitions. [2023-11-06 21:15:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 21:15:12,267 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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 47 [2023-11-06 21:15:12,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:15:12,318 INFO L225 Difference]: With dead ends: 3947 [2023-11-06 21:15:12,318 INFO L226 Difference]: Without dead ends: 2971 [2023-11-06 21:15:12,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-06 21:15:12,338 INFO L413 NwaCegarLoop]: 1704 mSDtfsCounter, 4840 mSDsluCounter, 6776 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4840 SdHoareTripleChecker+Valid, 8480 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:15:12,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4840 Valid, 8480 Invalid, 45 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:15:12,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2971 states. [2023-11-06 21:15:12,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2971 to 1024. [2023-11-06 21:15:12,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1024 states, 1023 states have (on average 1.66177908113392) internal successors, (1700), 1023 states have internal predecessors, (1700), 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) [2023-11-06 21:15:12,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1700 transitions. [2023-11-06 21:15:12,498 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1700 transitions. Word has length 47 [2023-11-06 21:15:12,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:15:12,499 INFO L495 AbstractCegarLoop]: Abstraction has 1024 states and 1700 transitions. [2023-11-06 21:15:12,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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) [2023-11-06 21:15:12,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1700 transitions. [2023-11-06 21:15:12,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-06 21:15:12,502 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:15:12,502 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:12,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:15:12,503 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:15:12,503 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:12,504 INFO L85 PathProgramCache]: Analyzing trace with hash 964939364, now seen corresponding path program 1 times [2023-11-06 21:15:12,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:12,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925292815] [2023-11-06 21:15:12,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:12,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:13,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:13,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:13,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925292815] [2023-11-06 21:15:13,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925292815] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:13,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:13,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 21:15:13,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818165028] [2023-11-06 21:15:13,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:13,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 21:15:13,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:13,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 21:15:13,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:15:13,200 INFO L87 Difference]: Start difference. First operand 1024 states and 1700 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2023-11-06 21:15:13,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:15:13,532 INFO L93 Difference]: Finished difference Result 2998 states and 4978 transitions. [2023-11-06 21:15:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 21:15:13,533 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 48 [2023-11-06 21:15:13,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:15:13,548 INFO L225 Difference]: With dead ends: 2998 [2023-11-06 21:15:13,548 INFO L226 Difference]: Without dead ends: 2015 [2023-11-06 21:15:13,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 21:15:13,559 INFO L413 NwaCegarLoop]: 1683 mSDtfsCounter, 6510 mSDsluCounter, 3346 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6510 SdHoareTripleChecker+Valid, 5029 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:15:13,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6510 Valid, 5029 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:15:13,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2015 states. [2023-11-06 21:15:13,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2015 to 1034. [2023-11-06 21:15:13,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1033 states have (on average 1.659244917715392) internal successors, (1714), 1033 states have internal predecessors, (1714), 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) [2023-11-06 21:15:13,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1714 transitions. [2023-11-06 21:15:13,618 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1714 transitions. Word has length 48 [2023-11-06 21:15:13,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:15:13,619 INFO L495 AbstractCegarLoop]: Abstraction has 1034 states and 1714 transitions. [2023-11-06 21:15:13,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2023-11-06 21:15:13,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1714 transitions. [2023-11-06 21:15:13,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-06 21:15:13,624 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:15:13,625 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:13,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:15:13,626 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:15:13,627 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:13,628 INFO L85 PathProgramCache]: Analyzing trace with hash 660230854, now seen corresponding path program 1 times [2023-11-06 21:15:13,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:13,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969413503] [2023-11-06 21:15:13,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:13,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:14,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:14,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:14,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969413503] [2023-11-06 21:15:14,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969413503] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:14,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:14,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 21:15:14,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763034577] [2023-11-06 21:15:14,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:14,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 21:15:14,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:14,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 21:15:14,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:15:14,359 INFO L87 Difference]: Start difference. First operand 1034 states and 1714 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2023-11-06 21:15:14,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:15:14,624 INFO L93 Difference]: Finished difference Result 3004 states and 4986 transitions. [2023-11-06 21:15:14,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 21:15:14,625 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 49 [2023-11-06 21:15:14,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:15:14,640 INFO L225 Difference]: With dead ends: 3004 [2023-11-06 21:15:14,641 INFO L226 Difference]: Without dead ends: 2021 [2023-11-06 21:15:14,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 21:15:14,644 INFO L413 NwaCegarLoop]: 1688 mSDtfsCounter, 6507 mSDsluCounter, 3345 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6507 SdHoareTripleChecker+Valid, 5033 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:15:14,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6507 Valid, 5033 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:15:14,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2021 states. [2023-11-06 21:15:14,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2021 to 1042. [2023-11-06 21:15:14,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1042 states, 1041 states have (on average 1.6560999039385207) internal successors, (1724), 1041 states have internal predecessors, (1724), 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) [2023-11-06 21:15:14,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 1724 transitions. [2023-11-06 21:15:14,693 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 1724 transitions. Word has length 49 [2023-11-06 21:15:14,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:15:14,693 INFO L495 AbstractCegarLoop]: Abstraction has 1042 states and 1724 transitions. [2023-11-06 21:15:14,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2023-11-06 21:15:14,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1724 transitions. [2023-11-06 21:15:14,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-06 21:15:14,696 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:15:14,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:14,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 21:15:14,696 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:15:14,697 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:14,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1434298230, now seen corresponding path program 1 times [2023-11-06 21:15:14,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:14,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694043154] [2023-11-06 21:15:14,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:14,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:15,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:15,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:15,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694043154] [2023-11-06 21:15:15,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694043154] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:15,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:15,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 21:15:15,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70419021] [2023-11-06 21:15:15,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:15,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 21:15:15,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:15,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 21:15:15,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 21:15:15,271 INFO L87 Difference]: Start difference. First operand 1042 states and 1724 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 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) [2023-11-06 21:15:15,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:15:15,963 INFO L93 Difference]: Finished difference Result 4999 states and 8285 transitions. [2023-11-06 21:15:15,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 21:15:15,964 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 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 50 [2023-11-06 21:15:15,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:15:15,989 INFO L225 Difference]: With dead ends: 4999 [2023-11-06 21:15:15,989 INFO L226 Difference]: Without dead ends: 4016 [2023-11-06 21:15:15,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-11-06 21:15:15,993 INFO L413 NwaCegarLoop]: 1695 mSDtfsCounter, 11296 mSDsluCounter, 10045 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11296 SdHoareTripleChecker+Valid, 11740 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 21:15:15,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11296 Valid, 11740 Invalid, 97 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 21:15:16,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4016 states. [2023-11-06 21:15:16,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4016 to 1053. [2023-11-06 21:15:16,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1053 states, 1052 states have (on average 1.653041825095057) internal successors, (1739), 1052 states have internal predecessors, (1739), 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) [2023-11-06 21:15:16,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1739 transitions. [2023-11-06 21:15:16,053 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1739 transitions. Word has length 50 [2023-11-06 21:15:16,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:15:16,054 INFO L495 AbstractCegarLoop]: Abstraction has 1053 states and 1739 transitions. [2023-11-06 21:15:16,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 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) [2023-11-06 21:15:16,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1739 transitions. [2023-11-06 21:15:16,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-06 21:15:16,056 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:15:16,056 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:16,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 21:15:16,057 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:15:16,057 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:16,058 INFO L85 PathProgramCache]: Analyzing trace with hash -16986002, now seen corresponding path program 1 times [2023-11-06 21:15:16,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:16,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862842387] [2023-11-06 21:15:16,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:16,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:16,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:16,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:16,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862842387] [2023-11-06 21:15:16,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862842387] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:16,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:16,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 21:15:16,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857050245] [2023-11-06 21:15:16,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:16,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:15:16,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:16,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:15:16,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:15:16,378 INFO L87 Difference]: Start difference. First operand 1053 states and 1739 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2023-11-06 21:15:16,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:15:16,448 INFO L93 Difference]: Finished difference Result 1057 states and 1743 transitions. [2023-11-06 21:15:16,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:15:16,449 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 50 [2023-11-06 21:15:16,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:15:16,457 INFO L225 Difference]: With dead ends: 1057 [2023-11-06 21:15:16,458 INFO L226 Difference]: Without dead ends: 1055 [2023-11-06 21:15:16,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:15:16,460 INFO L413 NwaCegarLoop]: 1682 mSDtfsCounter, 1 mSDsluCounter, 3358 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5040 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:15:16,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5040 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:15:16,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2023-11-06 21:15:16,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1055. [2023-11-06 21:15:16,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 1054 states have (on average 1.6518026565464896) internal successors, (1741), 1054 states have internal predecessors, (1741), 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) [2023-11-06 21:15:16,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1741 transitions. [2023-11-06 21:15:16,583 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1741 transitions. Word has length 50 [2023-11-06 21:15:16,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:15:16,583 INFO L495 AbstractCegarLoop]: Abstraction has 1055 states and 1741 transitions. [2023-11-06 21:15:16,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2023-11-06 21:15:16,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1741 transitions. [2023-11-06 21:15:16,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-06 21:15:16,585 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:15:16,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:16,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 21:15:16,586 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:15:16,587 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:16,587 INFO L85 PathProgramCache]: Analyzing trace with hash -524840862, now seen corresponding path program 1 times [2023-11-06 21:15:16,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:16,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695052115] [2023-11-06 21:15:16,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:16,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:16,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:16,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:16,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695052115] [2023-11-06 21:15:16,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695052115] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:16,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:16,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 21:15:16,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984235877] [2023-11-06 21:15:16,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:16,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:15:16,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:16,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:15:16,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:15:16,813 INFO L87 Difference]: Start difference. First operand 1055 states and 1741 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2023-11-06 21:15:16,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:15:16,886 INFO L93 Difference]: Finished difference Result 2051 states and 3392 transitions. [2023-11-06 21:15:16,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:15:16,887 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 51 [2023-11-06 21:15:16,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:15:16,894 INFO L225 Difference]: With dead ends: 2051 [2023-11-06 21:15:16,894 INFO L226 Difference]: Without dead ends: 1058 [2023-11-06 21:15:16,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:15:16,897 INFO L413 NwaCegarLoop]: 1682 mSDtfsCounter, 1 mSDsluCounter, 3355 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5037 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:15:16,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5037 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:15:16,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2023-11-06 21:15:16,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 1057. [2023-11-06 21:15:16,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1057 states, 1056 states have (on average 1.6505681818181819) internal successors, (1743), 1056 states have internal predecessors, (1743), 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) [2023-11-06 21:15:16,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1743 transitions. [2023-11-06 21:15:16,932 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1743 transitions. Word has length 51 [2023-11-06 21:15:16,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:15:16,933 INFO L495 AbstractCegarLoop]: Abstraction has 1057 states and 1743 transitions. [2023-11-06 21:15:16,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2023-11-06 21:15:16,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1743 transitions. [2023-11-06 21:15:16,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-06 21:15:16,935 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:15:16,935 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:16,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 21:15:16,936 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:15:16,937 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:16,937 INFO L85 PathProgramCache]: Analyzing trace with hash 699370248, now seen corresponding path program 1 times [2023-11-06 21:15:16,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:16,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507473487] [2023-11-06 21:15:16,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:16,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:17,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:17,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:17,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507473487] [2023-11-06 21:15:17,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507473487] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:17,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:17,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 21:15:17,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317586705] [2023-11-06 21:15:17,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:17,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 21:15:17,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:17,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 21:15:17,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 21:15:17,414 INFO L87 Difference]: Start difference. First operand 1057 states and 1743 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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) [2023-11-06 21:15:17,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:15:17,874 INFO L93 Difference]: Finished difference Result 4052 states and 6702 transitions. [2023-11-06 21:15:17,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 21:15:17,875 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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 52 [2023-11-06 21:15:17,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:15:17,892 INFO L225 Difference]: With dead ends: 4052 [2023-11-06 21:15:17,892 INFO L226 Difference]: Without dead ends: 3057 [2023-11-06 21:15:17,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2023-11-06 21:15:17,896 INFO L413 NwaCegarLoop]: 1705 mSDtfsCounter, 8078 mSDsluCounter, 10055 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8078 SdHoareTripleChecker+Valid, 11760 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:15:17,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8078 Valid, 11760 Invalid, 90 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:15:17,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3057 states. [2023-11-06 21:15:17,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3057 to 1068. [2023-11-06 21:15:17,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 1067 states have (on average 1.646672914714152) internal successors, (1757), 1067 states have internal predecessors, (1757), 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) [2023-11-06 21:15:17,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1757 transitions. [2023-11-06 21:15:17,940 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1757 transitions. Word has length 52 [2023-11-06 21:15:17,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:15:17,941 INFO L495 AbstractCegarLoop]: Abstraction has 1068 states and 1757 transitions. [2023-11-06 21:15:17,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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) [2023-11-06 21:15:17,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1757 transitions. [2023-11-06 21:15:17,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-06 21:15:17,942 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:15:17,942 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:17,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 21:15:17,943 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:15:17,943 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:17,943 INFO L85 PathProgramCache]: Analyzing trace with hash -709922638, now seen corresponding path program 1 times [2023-11-06 21:15:17,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:17,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215930398] [2023-11-06 21:15:17,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:17,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:18,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:18,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:18,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215930398] [2023-11-06 21:15:18,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215930398] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:18,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:18,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 21:15:18,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492439932] [2023-11-06 21:15:18,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:18,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:15:18,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:18,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:15:18,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:15:18,323 INFO L87 Difference]: Start difference. First operand 1068 states and 1757 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2023-11-06 21:15:18,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:15:18,697 INFO L93 Difference]: Finished difference Result 3046 states and 5031 transitions. [2023-11-06 21:15:18,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 21:15:18,698 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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 52 [2023-11-06 21:15:18,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:15:18,709 INFO L225 Difference]: With dead ends: 3046 [2023-11-06 21:15:18,709 INFO L226 Difference]: Without dead ends: 2033 [2023-11-06 21:15:18,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:15:18,712 INFO L413 NwaCegarLoop]: 1674 mSDtfsCounter, 6492 mSDsluCounter, 5009 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6492 SdHoareTripleChecker+Valid, 6683 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 21:15:18,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6492 Valid, 6683 Invalid, 66 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 21:15:18,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2033 states. [2023-11-06 21:15:18,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2033 to 1058. [2023-11-06 21:15:18,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 1057 states have (on average 1.6499526963103122) internal successors, (1744), 1057 states have internal predecessors, (1744), 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) [2023-11-06 21:15:18,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1744 transitions. [2023-11-06 21:15:18,747 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1744 transitions. Word has length 52 [2023-11-06 21:15:18,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:15:18,748 INFO L495 AbstractCegarLoop]: Abstraction has 1058 states and 1744 transitions. [2023-11-06 21:15:18,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2023-11-06 21:15:18,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1744 transitions. [2023-11-06 21:15:18,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-06 21:15:18,749 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:15:18,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:18,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 21:15:18,749 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:15:18,750 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:18,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1412521222, now seen corresponding path program 1 times [2023-11-06 21:15:18,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:18,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285757907] [2023-11-06 21:15:18,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:18,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:19,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:19,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:19,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285757907] [2023-11-06 21:15:19,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285757907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:19,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:19,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 21:15:19,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073802783] [2023-11-06 21:15:19,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:19,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 21:15:19,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:19,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 21:15:19,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-06 21:15:19,380 INFO L87 Difference]: Start difference. First operand 1058 states and 1744 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 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) [2023-11-06 21:15:20,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:15:20,485 INFO L93 Difference]: Finished difference Result 5046 states and 8348 transitions. [2023-11-06 21:15:20,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-06 21:15:20,485 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 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 53 [2023-11-06 21:15:20,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:15:20,507 INFO L225 Difference]: With dead ends: 5046 [2023-11-06 21:15:20,507 INFO L226 Difference]: Without dead ends: 4043 [2023-11-06 21:15:20,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=198, Invalid=452, Unknown=0, NotChecked=0, Total=650 [2023-11-06 21:15:20,511 INFO L413 NwaCegarLoop]: 4889 mSDtfsCounter, 9782 mSDsluCounter, 19822 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9782 SdHoareTripleChecker+Valid, 24711 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 21:15:20,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9782 Valid, 24711 Invalid, 212 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 21:15:20,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4043 states. [2023-11-06 21:15:20,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4043 to 1061. [2023-11-06 21:15:20,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 1060 states have (on average 1.649056603773585) internal successors, (1748), 1060 states have internal predecessors, (1748), 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) [2023-11-06 21:15:20,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1748 transitions. [2023-11-06 21:15:20,561 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1748 transitions. Word has length 53 [2023-11-06 21:15:20,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:15:20,561 INFO L495 AbstractCegarLoop]: Abstraction has 1061 states and 1748 transitions. [2023-11-06 21:15:20,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 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) [2023-11-06 21:15:20,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1748 transitions. [2023-11-06 21:15:20,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-06 21:15:20,562 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:15:20,562 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:20,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 21:15:20,563 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:15:20,563 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:20,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1107438712, now seen corresponding path program 1 times [2023-11-06 21:15:20,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:20,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767263052] [2023-11-06 21:15:20,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:20,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:21,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:21,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:21,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767263052] [2023-11-06 21:15:21,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767263052] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:21,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:21,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 21:15:21,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39299304] [2023-11-06 21:15:21,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:21,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 21:15:21,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:21,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 21:15:21,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:15:21,117 INFO L87 Difference]: Start difference. First operand 1061 states and 1748 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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) [2023-11-06 21:15:21,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:15:21,448 INFO L93 Difference]: Finished difference Result 3044 states and 5029 transitions. [2023-11-06 21:15:21,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 21:15:21,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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 53 [2023-11-06 21:15:21,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:15:21,474 INFO L225 Difference]: With dead ends: 3044 [2023-11-06 21:15:21,480 INFO L226 Difference]: Without dead ends: 2035 [2023-11-06 21:15:21,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-06 21:15:21,484 INFO L413 NwaCegarLoop]: 1676 mSDtfsCounter, 6486 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6486 SdHoareTripleChecker+Valid, 5017 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 21:15:21,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6486 Valid, 5017 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 21:15:21,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2035 states. [2023-11-06 21:15:21,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2035 to 1058. [2023-11-06 21:15:21,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 1057 states have (on average 1.6499526963103122) internal successors, (1744), 1057 states have internal predecessors, (1744), 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) [2023-11-06 21:15:21,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1744 transitions. [2023-11-06 21:15:21,542 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1744 transitions. Word has length 53 [2023-11-06 21:15:21,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:15:21,542 INFO L495 AbstractCegarLoop]: Abstraction has 1058 states and 1744 transitions. [2023-11-06 21:15:21,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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) [2023-11-06 21:15:21,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1744 transitions. [2023-11-06 21:15:21,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-06 21:15:21,544 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:15:21,544 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:21,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 21:15:21,545 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:15:21,545 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:21,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1498584842, now seen corresponding path program 1 times [2023-11-06 21:15:21,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:21,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081755350] [2023-11-06 21:15:21,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:21,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:15:21,696 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:15:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:15:21,949 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:15:21,950 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 21:15:21,951 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 21:15:21,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 21:15:21,957 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:21,962 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:15:22,096 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 21:15:22,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:15:22 BoogieIcfgContainer [2023-11-06 21:15:22,124 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:15:22,125 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:15:22,125 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:15:22,125 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:15:22,126 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:15:10" (3/4) ... [2023-11-06 21:15:22,129 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 21:15:22,130 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:15:22,131 INFO L158 Benchmark]: Toolchain (without parser) took 19597.84ms. Allocated memory was 169.9MB in the beginning and 1.0GB in the end (delta: 849.3MB). Free memory was 136.0MB in the beginning and 686.3MB in the end (delta: -550.3MB). Peak memory consumption was 299.6MB. Max. memory is 16.1GB. [2023-11-06 21:15:22,132 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 121.6MB. Free memory was 80.3MB in the beginning and 80.1MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:15:22,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1202.07ms. Allocated memory is still 169.9MB. Free memory was 136.0MB in the beginning and 109.1MB in the end (delta: 26.9MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. [2023-11-06 21:15:22,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 757.20ms. Allocated memory was 169.9MB in the beginning and 272.6MB in the end (delta: 102.8MB). Free memory was 109.1MB in the beginning and 140.8MB in the end (delta: -31.7MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2023-11-06 21:15:22,133 INFO L158 Benchmark]: Boogie Preprocessor took 753.77ms. Allocated memory is still 272.6MB. Free memory was 140.8MB in the beginning and 132.8MB in the end (delta: 8.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-06 21:15:22,134 INFO L158 Benchmark]: RCFGBuilder took 4917.77ms. Allocated memory was 272.6MB in the beginning and 719.3MB in the end (delta: 446.7MB). Free memory was 132.8MB in the beginning and 501.8MB in the end (delta: -369.0MB). Peak memory consumption was 164.4MB. Max. memory is 16.1GB. [2023-11-06 21:15:22,134 INFO L158 Benchmark]: TraceAbstraction took 11937.10ms. Allocated memory was 719.3MB in the beginning and 1.0GB in the end (delta: 299.9MB). Free memory was 501.8MB in the beginning and 687.3MB in the end (delta: -185.5MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. [2023-11-06 21:15:22,135 INFO L158 Benchmark]: Witness Printer took 5.81ms. Allocated memory is still 1.0GB. Free memory was 687.3MB in the beginning and 686.3MB in the end (delta: 999.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:15:22,138 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 121.6MB. Free memory was 80.3MB in the beginning and 80.1MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1202.07ms. Allocated memory is still 169.9MB. Free memory was 136.0MB in the beginning and 109.1MB in the end (delta: 26.9MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 757.20ms. Allocated memory was 169.9MB in the beginning and 272.6MB in the end (delta: 102.8MB). Free memory was 109.1MB in the beginning and 140.8MB in the end (delta: -31.7MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 753.77ms. Allocated memory is still 272.6MB. Free memory was 140.8MB in the beginning and 132.8MB in the end (delta: 8.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * RCFGBuilder took 4917.77ms. Allocated memory was 272.6MB in the beginning and 719.3MB in the end (delta: 446.7MB). Free memory was 132.8MB in the beginning and 501.8MB in the end (delta: -369.0MB). Peak memory consumption was 164.4MB. Max. memory is 16.1GB. * TraceAbstraction took 11937.10ms. Allocated memory was 719.3MB in the beginning and 1.0GB in the end (delta: 299.9MB). Free memory was 501.8MB in the beginning and 687.3MB in the end (delta: -185.5MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. * Witness Printer took 5.81ms. Allocated memory is still 1.0GB. Free memory was 687.3MB in the beginning and 686.3MB in the end (delta: 999.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 215, overapproximation of bitwiseAnd at line 220. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 16); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (16 - 1); [L32] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 3); [L33] const SORT_9 msb_SORT_9 = (SORT_9)1 << (3 - 1); [L35] const SORT_44 mask_SORT_44 = (SORT_44)-1 >> (sizeof(SORT_44) * 8 - 12); [L36] const SORT_44 msb_SORT_44 = (SORT_44)1 << (12 - 1); [L38] const SORT_98 mask_SORT_98 = (SORT_98)-1 >> (sizeof(SORT_98) * 8 - 17); [L39] const SORT_98 msb_SORT_98 = (SORT_98)1 << (17 - 1); [L41] const SORT_99 mask_SORT_99 = (SORT_99)-1 >> (sizeof(SORT_99) * 8 - 5); [L42] const SORT_99 msb_SORT_99 = (SORT_99)1 << (5 - 1); [L44] const SORT_102 mask_SORT_102 = (SORT_102)-1 >> (sizeof(SORT_102) * 8 - 9); [L45] const SORT_102 msb_SORT_102 = (SORT_102)1 << (9 - 1); [L47] const SORT_104 mask_SORT_104 = (SORT_104)-1 >> (sizeof(SORT_104) * 8 - 10); [L48] const SORT_104 msb_SORT_104 = (SORT_104)1 << (10 - 1); [L50] const SORT_107 mask_SORT_107 = (SORT_107)-1 >> (sizeof(SORT_107) * 8 - 11); [L51] const SORT_107 msb_SORT_107 = (SORT_107)1 << (11 - 1); [L53] const SORT_112 mask_SORT_112 = (SORT_112)-1 >> (sizeof(SORT_112) * 8 - 13); [L54] const SORT_112 msb_SORT_112 = (SORT_112)1 << (13 - 1); [L56] const SORT_115 mask_SORT_115 = (SORT_115)-1 >> (sizeof(SORT_115) * 8 - 14); [L57] const SORT_115 msb_SORT_115 = (SORT_115)1 << (14 - 1); [L59] const SORT_118 mask_SORT_118 = (SORT_118)-1 >> (sizeof(SORT_118) * 8 - 15); [L60] const SORT_118 msb_SORT_118 = (SORT_118)1 << (15 - 1); [L62] const SORT_151 mask_SORT_151 = (SORT_151)-1 >> (sizeof(SORT_151) * 8 - 7); [L63] const SORT_151 msb_SORT_151 = (SORT_151)1 << (7 - 1); [L65] const SORT_211 mask_SORT_211 = (SORT_211)-1 >> (sizeof(SORT_211) * 8 - 2); [L66] const SORT_211 msb_SORT_211 = (SORT_211)1 << (2 - 1); [L68] const SORT_370 mask_SORT_370 = (SORT_370)-1 >> (sizeof(SORT_370) * 8 - 4); [L69] const SORT_370 msb_SORT_370 = (SORT_370)1 << (4 - 1); [L71] const SORT_373 mask_SORT_373 = (SORT_373)-1 >> (sizeof(SORT_373) * 8 - 6); [L72] const SORT_373 msb_SORT_373 = (SORT_373)1 << (6 - 1); [L74] const SORT_376 mask_SORT_376 = (SORT_376)-1 >> (sizeof(SORT_376) * 8 - 8); [L75] const SORT_376 msb_SORT_376 = (SORT_376)1 << (8 - 1); [L77] const SORT_3 var_6 = 0; [L78] const SORT_9 var_11 = 2; [L79] const SORT_9 var_13 = 0; [L80] const SORT_1 var_19 = 0; [L81] const SORT_1 var_34 = 1; [L82] const SORT_44 var_45 = 0; [L83] const SORT_9 var_61 = 1; [L84] const SORT_9 var_66 = 4; [L85] const SORT_9 var_68 = 5; [L86] const SORT_9 var_72 = 3; [L87] const SORT_99 var_100 = 0; [L88] const SORT_151 var_153 = 5; [L89] const SORT_151 var_157 = 4; [L90] const SORT_151 var_161 = 3; [L91] const SORT_151 var_165 = 2; [L92] const SORT_151 var_169 = 1; [L93] const SORT_151 var_173 = 0; [L94] const SORT_44 var_196 = 2; [L95] const SORT_211 var_213 = 0; [L96] const SORT_3 var_220 = 65535; [L98] SORT_1 input_2; [L99] SORT_3 input_4; [L100] SORT_3 input_5; [L101] SORT_3 input_208; [L102] SORT_3 input_209; [L103] SORT_3 input_210; [L104] SORT_3 input_219; [L105] SORT_3 input_228; [L106] SORT_3 input_229; [L107] SORT_3 input_230; [L108] SORT_3 input_233; [L109] SORT_3 input_251; [L110] SORT_3 input_252; [L111] SORT_3 input_253; [L112] SORT_3 input_256; [L113] SORT_3 input_258; [L114] SORT_211 input_272; [L115] SORT_211 input_273; [L116] SORT_211 input_274; [L118] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [__VERIFIER_nondet_ushort() & mask_SORT_3=0, __VERIFIER_nondet_ushort()=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, var_100=0, var_11=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_173=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L118] SORT_3 state_7 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [__VERIFIER_nondet_uchar() & mask_SORT_9=0, __VERIFIER_nondet_uchar()=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_7=0, var_100=0, var_11=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_173=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L119] SORT_9 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_7=0, var_100=0, var_11=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_173=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L120] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [__VERIFIER_nondet_ushort() & mask_SORT_3=0, __VERIFIER_nondet_ushort()=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_7=0, var_100=0, var_11=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_173=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L121] SORT_3 state_23 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L122] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [__VERIFIER_nondet_ushort() & mask_SORT_3=0, __VERIFIER_nondet_ushort()=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_7=0, var_100=0, var_11=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_173=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L122] SORT_3 state_38 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L123] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [__VERIFIER_nondet_ushort() & mask_SORT_3=0, __VERIFIER_nondet_ushort()=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_7=0, var_100=0, var_11=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_173=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L123] SORT_3 state_40 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L124] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [__VERIFIER_nondet_ushort() & mask_SORT_3=0, __VERIFIER_nondet_ushort()=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_7=0, var_100=0, var_11=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_173=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L124] SORT_3 state_42 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L125] EXPR __VERIFIER_nondet_ushort() & mask_SORT_44 VAL [__VERIFIER_nondet_ushort() & mask_SORT_44=0, __VERIFIER_nondet_ushort()=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_7=0, var_100=0, var_11=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_173=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L125] SORT_44 state_46 = __VERIFIER_nondet_ushort() & mask_SORT_44; [L126] EXPR __VERIFIER_nondet_ushort() & mask_SORT_44 VAL [__VERIFIER_nondet_ushort() & mask_SORT_44=0, __VERIFIER_nondet_ushort()=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_46=0, state_7=0, var_100=0, var_11=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_173=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L126] SORT_44 state_48 = __VERIFIER_nondet_ushort() & mask_SORT_44; [L127] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [__VERIFIER_nondet_ushort() & mask_SORT_3=0, __VERIFIER_nondet_ushort()=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_46=0, state_48=0, state_7=0, var_100=0, var_11=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_173=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L127] SORT_3 state_50 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L128] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [__VERIFIER_nondet_ushort() & mask_SORT_3=0, __VERIFIER_nondet_ushort()=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_46=0, state_48=0, state_50=0, state_7=0, var_100=0, var_11=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_173=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L128] SORT_3 state_52 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L129] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [__VERIFIER_nondet_ushort() & mask_SORT_3=0, __VERIFIER_nondet_ushort()=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_46=0, state_48=0, state_50=0, state_52=0, state_7=0, var_100=0, var_11=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_173=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L129] SORT_3 state_54 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L130] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [__VERIFIER_nondet_ushort() & mask_SORT_3=0, __VERIFIER_nondet_ushort()=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_7=0, var_100=0, var_11=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_173=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L130] SORT_3 state_56 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L132] SORT_3 init_8_arg_1 = var_6; [L133] state_7 = init_8_arg_1 [L134] SORT_9 init_15_arg_1 = var_13; [L135] state_14 = init_15_arg_1 [L136] SORT_1 init_21_arg_1 = var_19; [L137] state_20 = init_21_arg_1 [L138] SORT_3 init_24_arg_1 = var_6; [L139] state_23 = init_24_arg_1 [L140] SORT_3 init_39_arg_1 = var_6; [L141] state_38 = init_39_arg_1 [L142] SORT_3 init_41_arg_1 = var_6; [L143] state_40 = init_41_arg_1 [L144] SORT_3 init_43_arg_1 = var_6; [L145] state_42 = init_43_arg_1 [L146] SORT_44 init_47_arg_1 = var_45; [L147] state_46 = init_47_arg_1 [L148] SORT_44 init_49_arg_1 = var_45; [L149] state_48 = init_49_arg_1 [L150] SORT_3 init_51_arg_1 = var_6; [L151] state_50 = init_51_arg_1 [L152] SORT_3 init_53_arg_1 = var_6; [L153] state_52 = init_53_arg_1 [L154] SORT_3 init_55_arg_1 = var_6; [L155] state_54 = init_55_arg_1 [L156] SORT_3 init_57_arg_1 = var_6; [L157] state_56 = init_57_arg_1 VAL [init_15_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_8_arg_1=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_7=0, var_100=0, var_11=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_173=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L160] input_2 = __VERIFIER_nondet_uchar() [L161] input_4 = __VERIFIER_nondet_ushort() [L162] input_5 = __VERIFIER_nondet_ushort() [L163] input_208 = __VERIFIER_nondet_ushort() [L164] input_209 = __VERIFIER_nondet_ushort() [L165] input_210 = __VERIFIER_nondet_ushort() [L166] input_219 = __VERIFIER_nondet_ushort() [L167] input_228 = __VERIFIER_nondet_ushort() [L168] input_229 = __VERIFIER_nondet_ushort() [L169] input_230 = __VERIFIER_nondet_ushort() [L170] input_233 = __VERIFIER_nondet_ushort() [L171] input_251 = __VERIFIER_nondet_ushort() [L172] input_252 = __VERIFIER_nondet_ushort() [L173] input_253 = __VERIFIER_nondet_ushort() [L174] input_256 = __VERIFIER_nondet_ushort() [L175] input_258 = __VERIFIER_nondet_ushort() [L176] input_272 = __VERIFIER_nondet_uchar() [L177] input_273 = __VERIFIER_nondet_uchar() [L178] input_274 = __VERIFIER_nondet_uchar() [L181] SORT_3 var_10_arg_0 = state_7; [L182] SORT_9 var_10 = var_10_arg_0 >> 0; VAL [init_15_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_8_arg_1=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_7=0, var_100=0, var_10=0, var_10_arg_0=0, var_11=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_173=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L183] EXPR var_10 & mask_SORT_9 VAL [init_15_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_8_arg_1=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_7=0, var_10 & mask_SORT_9=0, var_100=0, var_10=0, var_10_arg_0=0, var_11=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_173=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L183] var_10 = var_10 & mask_SORT_9 [L184] SORT_9 var_12_arg_0 = var_10; [L185] SORT_9 var_12_arg_1 = var_11; [L186] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L187] SORT_9 var_16_arg_0 = state_14; [L188] SORT_1 var_16 = var_16_arg_0 >> 2; [L189] SORT_1 var_17_arg_0 = var_12; [L190] SORT_1 var_17_arg_1 = var_16; VAL [init_15_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_8_arg_1=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_7=0, var_100=0, var_10=0, var_10_arg_0=0, var_11=2, var_12=0, var_12_arg_0=0, var_12_arg_1=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_16=0, var_16_arg_0=0, var_173=0, var_17_arg_0=0, var_17_arg_1=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L191] EXPR var_17_arg_0 & var_17_arg_1 VAL [init_15_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_8_arg_1=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_7=0, var_100=0, var_10=0, var_10_arg_0=0, var_11=2, var_12=0, var_12_arg_0=0, var_12_arg_1=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_16=0, var_16_arg_0=0, var_173=0, var_17_arg_0 & var_17_arg_1=0, var_17_arg_0=0, var_17_arg_1=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L191] SORT_1 var_17 = var_17_arg_0 & var_17_arg_1; [L192] SORT_1 var_18_arg_0 = var_17; [L193] SORT_1 var_18 = ~var_18_arg_0; [L194] SORT_1 var_22_arg_0 = state_20; [L195] SORT_1 var_22 = ~var_22_arg_0; [L196] SORT_3 var_25_arg_0 = state_23; [L197] SORT_3 var_25_arg_1 = var_6; [L198] SORT_1 var_25 = var_25_arg_0 == var_25_arg_1; [L199] SORT_1 var_26_arg_0 = var_22; [L200] SORT_1 var_26_arg_1 = var_25; VAL [init_15_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_8_arg_1=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_7=0, var_100=0, var_10=0, var_10_arg_0=0, var_11=2, var_12=0, var_12_arg_0=0, var_12_arg_1=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_16=0, var_16_arg_0=0, var_173=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=255, var_18_arg_0=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_22=255, var_22_arg_0=0, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_26_arg_0=255, var_26_arg_1=1, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L201] EXPR var_26_arg_0 | var_26_arg_1 VAL [init_15_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_8_arg_1=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_7=0, var_100=0, var_10=0, var_10_arg_0=0, var_11=2, var_12=0, var_12_arg_0=0, var_12_arg_1=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_16=0, var_16_arg_0=0, var_173=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=255, var_18_arg_0=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_22=255, var_22_arg_0=0, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_26_arg_0 | var_26_arg_1=255, var_26_arg_0=255, var_26_arg_1=1, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L201] SORT_1 var_26 = var_26_arg_0 | var_26_arg_1; [L202] SORT_3 var_27_arg_0 = state_23; [L203] SORT_3 var_27_arg_1 = var_6; [L204] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L205] SORT_1 var_28_arg_0 = var_27; [L206] SORT_1 var_28 = ~var_28_arg_0; [L207] SORT_1 var_29_arg_0 = var_28; [L208] SORT_1 var_29_arg_1 = state_20; VAL [init_15_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_8_arg_1=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_7=0, var_100=0, var_10=0, var_10_arg_0=0, var_11=2, var_12=0, var_12_arg_0=0, var_12_arg_1=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_16=0, var_16_arg_0=0, var_173=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=255, var_18_arg_0=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_22=255, var_22_arg_0=0, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_26=255, var_26_arg_0=255, var_26_arg_1=1, var_27=1, var_27_arg_0=0, var_27_arg_1=0, var_28=254, var_28_arg_0=1, var_29_arg_0=254, var_29_arg_1=0, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L209] EXPR var_29_arg_0 | var_29_arg_1 VAL [init_15_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_8_arg_1=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_7=0, var_100=0, var_10=0, var_10_arg_0=0, var_11=2, var_12=0, var_12_arg_0=0, var_12_arg_1=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_16=0, var_16_arg_0=0, var_173=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=255, var_18_arg_0=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_22=255, var_22_arg_0=0, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_26=255, var_26_arg_0=255, var_26_arg_1=1, var_27=1, var_27_arg_0=0, var_27_arg_1=0, var_28=254, var_28_arg_0=1, var_29_arg_0 | var_29_arg_1=254, var_29_arg_0=254, var_29_arg_1=0, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L209] SORT_1 var_29 = var_29_arg_0 | var_29_arg_1; [L210] SORT_1 var_30_arg_0 = var_26; [L211] SORT_1 var_30_arg_1 = var_29; VAL [init_15_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_8_arg_1=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_7=0, var_100=0, var_10=0, var_10_arg_0=0, var_11=2, var_12=0, var_12_arg_0=0, var_12_arg_1=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_16=0, var_16_arg_0=0, var_173=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=255, var_18_arg_0=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_22=255, var_22_arg_0=0, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_26=255, var_26_arg_0=255, var_26_arg_1=1, var_27=1, var_27_arg_0=0, var_27_arg_1=0, var_28=254, var_28_arg_0=1, var_29=254, var_29_arg_0=254, var_29_arg_1=0, var_30_arg_0=255, var_30_arg_1=254, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L212] EXPR var_30_arg_0 & var_30_arg_1 VAL [init_15_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_8_arg_1=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_7=0, var_100=0, var_10=0, var_10_arg_0=0, var_11=2, var_12=0, var_12_arg_0=0, var_12_arg_1=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_16=0, var_16_arg_0=0, var_173=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=255, var_18_arg_0=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_22=255, var_22_arg_0=0, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_26=255, var_26_arg_0=255, var_26_arg_1=1, var_27=1, var_27_arg_0=0, var_27_arg_1=0, var_28=254, var_28_arg_0=1, var_29=254, var_29_arg_0=254, var_29_arg_1=0, var_30_arg_0 & var_30_arg_1=254, var_30_arg_0=255, var_30_arg_1=254, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L212] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L213] SORT_1 var_31_arg_0 = var_18; [L214] SORT_1 var_31_arg_1 = var_30; VAL [init_15_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_8_arg_1=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_7=0, var_100=0, var_10=0, var_10_arg_0=0, var_11=2, var_12=0, var_12_arg_0=0, var_12_arg_1=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_16=0, var_16_arg_0=0, var_173=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=255, var_18_arg_0=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_22=255, var_22_arg_0=0, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_26=255, var_26_arg_0=255, var_26_arg_1=1, var_27=1, var_27_arg_0=0, var_27_arg_1=0, var_28=254, var_28_arg_0=1, var_29=254, var_29_arg_0=254, var_29_arg_1=0, var_30=254, var_30_arg_0=255, var_30_arg_1=254, var_31_arg_0=255, var_31_arg_1=254, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L215] EXPR var_31_arg_0 | var_31_arg_1 VAL [init_15_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_8_arg_1=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_7=0, var_100=0, var_10=0, var_10_arg_0=0, var_11=2, var_12=0, var_12_arg_0=0, var_12_arg_1=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_16=0, var_16_arg_0=0, var_173=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=255, var_18_arg_0=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_22=255, var_22_arg_0=0, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_26=255, var_26_arg_0=255, var_26_arg_1=1, var_27=1, var_27_arg_0=0, var_27_arg_1=0, var_28=254, var_28_arg_0=1, var_29=254, var_29_arg_0=254, var_29_arg_1=0, var_30=254, var_30_arg_0=255, var_30_arg_1=254, var_31_arg_0 | var_31_arg_1=256, var_31_arg_0=255, var_31_arg_1=254, var_34=1, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L215] SORT_1 var_31 = var_31_arg_0 | var_31_arg_1; [L216] SORT_1 var_35_arg_0 = var_31; [L217] SORT_1 var_35 = ~var_35_arg_0; [L218] SORT_1 var_36_arg_0 = var_34; [L219] SORT_1 var_36_arg_1 = var_35; VAL [init_15_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_8_arg_1=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_7=0, var_100=0, var_10=0, var_10_arg_0=0, var_11=2, var_12=0, var_12_arg_0=0, var_12_arg_1=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_16=0, var_16_arg_0=0, var_173=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=255, var_18_arg_0=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_22=255, var_22_arg_0=0, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_26=255, var_26_arg_0=255, var_26_arg_1=1, var_27=1, var_27_arg_0=0, var_27_arg_1=0, var_28=254, var_28_arg_0=1, var_29=254, var_29_arg_0=254, var_29_arg_1=0, var_30=254, var_30_arg_0=255, var_30_arg_1=254, var_31=0, var_31_arg_0=255, var_31_arg_1=254, var_34=1, var_35=255, var_35_arg_0=0, var_36_arg_0=1, var_36_arg_1=255, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L220] EXPR var_36_arg_0 & var_36_arg_1 VAL [init_15_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_8_arg_1=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_7=0, var_100=0, var_10=0, var_10_arg_0=0, var_11=2, var_12=0, var_12_arg_0=0, var_12_arg_1=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_16=0, var_16_arg_0=0, var_173=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=255, var_18_arg_0=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_22=255, var_22_arg_0=0, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_26=255, var_26_arg_0=255, var_26_arg_1=1, var_27=1, var_27_arg_0=0, var_27_arg_1=0, var_28=254, var_28_arg_0=1, var_29=254, var_29_arg_0=254, var_29_arg_1=0, var_30=254, var_30_arg_0=255, var_30_arg_1=254, var_31=0, var_31_arg_0=255, var_31_arg_1=254, var_34=1, var_35=255, var_35_arg_0=0, var_36_arg_0 & var_36_arg_1=1, var_36_arg_0=1, var_36_arg_1=255, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L220] SORT_1 var_36 = var_36_arg_0 & var_36_arg_1; [L221] EXPR var_36 & mask_SORT_1 VAL [init_15_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_8_arg_1=0, mask_SORT_102=511, mask_SORT_104=1023, mask_SORT_107=2047, mask_SORT_112=8191, mask_SORT_115=16383, mask_SORT_118=32767, mask_SORT_151=127, mask_SORT_1=1, mask_SORT_211=3, mask_SORT_370=15, mask_SORT_373=63, mask_SORT_376=255, mask_SORT_3=65535, mask_SORT_44=4095, mask_SORT_98=131071, mask_SORT_99=31, mask_SORT_9=7, msb_SORT_102=256, msb_SORT_104=512, msb_SORT_107=1024, msb_SORT_112=4096, msb_SORT_115=8192, msb_SORT_118=16384, msb_SORT_151=64, msb_SORT_1=1, msb_SORT_211=2, msb_SORT_370=8, msb_SORT_373=32, msb_SORT_376=128, msb_SORT_3=32768, msb_SORT_44=2048, msb_SORT_98=65536, msb_SORT_99=16, msb_SORT_9=4, state_14=0, state_20=0, state_23=0, state_38=0, state_40=0, state_42=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_7=0, var_100=0, var_10=0, var_10_arg_0=0, var_11=2, var_12=0, var_12_arg_0=0, var_12_arg_1=2, var_13=0, var_153=5, var_157=4, var_161=3, var_165=2, var_169=1, var_16=0, var_16_arg_0=0, var_173=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=255, var_18_arg_0=0, var_196=2, var_19=0, var_213=0, var_220=65535, var_22=255, var_22_arg_0=0, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_26=255, var_26_arg_0=255, var_26_arg_1=1, var_27=1, var_27_arg_0=0, var_27_arg_1=0, var_28=254, var_28_arg_0=1, var_29=254, var_29_arg_0=254, var_29_arg_1=0, var_30=254, var_30_arg_0=255, var_30_arg_1=254, var_31=0, var_31_arg_0=255, var_31_arg_1=254, var_34=1, var_35=255, var_35_arg_0=0, var_36 & mask_SORT_1=1, var_36=1, var_36_arg_0=1, var_36_arg_1=255, var_45=0, var_61=1, var_66=4, var_68=5, var_6=0, var_72=3] [L221] var_36 = var_36 & mask_SORT_1 [L222] SORT_1 bad_37_arg_0 = var_36; [L223] CALL __VERIFIER_assert(!(bad_37_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1017 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.7s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59993 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 59993 mSDsluCounter, 88530 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 68452 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 637 IncrementalHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 20078 mSDtfsCounter, 637 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1068occurred in iteration=7, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 13794 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 558 NumberOfCodeBlocks, 558 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 495 ConstructedInterpolants, 0 QuantifiedInterpolants, 1417 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 [2023-11-06 21:15:22,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b88007960cae79b63604455924d89f4d8e6ff83730f3fe3600fe1cad3b333850 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:15:25,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:15:25,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-06 21:15:25,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:15:25,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:15:25,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:15:25,293 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:15:25,294 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:15:25,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:15:25,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:15:25,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:15:25,298 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:15:25,298 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:15:25,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:15:25,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:15:25,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:15:25,303 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:15:25,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:15:25,307 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:15:25,307 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:15:25,308 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 21:15:25,308 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 21:15:25,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:15:25,309 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:15:25,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:15:25,310 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:15:25,310 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:15:25,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:15:25,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:15:25,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:15:25,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:15:25,313 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 21:15:25,313 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 21:15:25,314 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:15:25,314 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:15:25,314 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:15:25,315 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:15:25,315 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 21:15:25,315 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:15:25,316 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b88007960cae79b63604455924d89f4d8e6ff83730f3fe3600fe1cad3b333850 [2023-11-06 21:15:25,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:15:25,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:15:25,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:15:25,737 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:15:25,737 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:15:25,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p5.c [2023-11-06 21:15:29,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:15:29,843 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:15:29,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p5.c [2023-11-06 21:15:29,865 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/data/20ece7548/f793a86f65ba469280c1a334c6ccebc1/FLAG99974f716 [2023-11-06 21:15:29,879 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/data/20ece7548/f793a86f65ba469280c1a334c6ccebc1 [2023-11-06 21:15:29,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:15:29,883 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:15:29,885 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:15:29,885 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:15:29,890 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:15:29,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:15:29" (1/1) ... [2023-11-06 21:15:29,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32fd45d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:29, skipping insertion in model container [2023-11-06 21:15:29,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:15:29" (1/1) ... [2023-11-06 21:15:29,969 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:15:30,233 WARN L240 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_97ec42f2-3cd0-4719-99ab-6825162a4ef7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p5.c[1260,1273] [2023-11-06 21:15:30,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:15:30,657 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:15:30,669 WARN L240 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_97ec42f2-3cd0-4719-99ab-6825162a4ef7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p5.c[1260,1273] [2023-11-06 21:15:30,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:15:30,841 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:15:30,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:30 WrapperNode [2023-11-06 21:15:30,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:15:30,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:15:30,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:15:30,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:15:30,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:30" (1/1) ... [2023-11-06 21:15:30,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:30" (1/1) ... [2023-11-06 21:15:31,024 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1835 [2023-11-06 21:15:31,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:15:31,026 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:15:31,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:15:31,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:15:31,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:30" (1/1) ... [2023-11-06 21:15:31,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:30" (1/1) ... [2023-11-06 21:15:31,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:30" (1/1) ... [2023-11-06 21:15:31,050 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:30" (1/1) ... [2023-11-06 21:15:31,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:30" (1/1) ... [2023-11-06 21:15:31,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:30" (1/1) ... [2023-11-06 21:15:31,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:30" (1/1) ... [2023-11-06 21:15:31,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:30" (1/1) ... [2023-11-06 21:15:31,244 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:15:31,245 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:15:31,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:15:31,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:15:31,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:30" (1/1) ... [2023-11-06 21:15:31,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:15:31,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:15:31,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:15:31,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:15:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:15:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 21:15:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:15:31,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:15:31,780 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:15:31,782 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:15:35,667 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:15:35,674 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:15:35,674 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:15:35,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:15:35 BoogieIcfgContainer [2023-11-06 21:15:35,677 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:15:35,679 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:15:35,679 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:15:35,682 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:15:35,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:15:29" (1/3) ... [2023-11-06 21:15:35,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575aab51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:15:35, skipping insertion in model container [2023-11-06 21:15:35,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:30" (2/3) ... [2023-11-06 21:15:35,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575aab51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:15:35, skipping insertion in model container [2023-11-06 21:15:35,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:15:35" (3/3) ... [2023-11-06 21:15:35,686 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsa16a_p5.c [2023-11-06 21:15:35,705 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:15:35,705 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:15:35,760 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:15:35,768 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@518b19ed, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:15:35,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:15:35,773 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) [2023-11-06 21:15:35,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-06 21:15:35,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:15:35,782 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 21:15:35,782 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:15:35,789 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:35,790 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-06 21:15:35,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:15:35,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2006665688] [2023-11-06 21:15:35,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:35,809 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 [2023-11-06 21:15:35,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:15:35,810 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 21:15:35,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 21:15:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:36,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 21:15:36,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:15:36,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:36,589 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:15:36,590 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 21:15:36,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2006665688] [2023-11-06 21:15:36,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2006665688] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:36,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:36,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 21:15:36,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447539380] [2023-11-06 21:15:36,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:36,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:15:36,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 21:15:36,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:15:36,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:15:36,642 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) [2023-11-06 21:15:36,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:15:36,987 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-06 21:15:36,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:15:36,995 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 [2023-11-06 21:15:36,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:15:37,003 INFO L225 Difference]: With dead ends: 19 [2023-11-06 21:15:37,004 INFO L226 Difference]: Without dead ends: 10 [2023-11-06 21:15:37,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:15:37,014 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 21:15:37,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 21:15:37,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-06 21:15:37,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-06 21:15:37,043 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) [2023-11-06 21:15:37,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-06 21:15:37,045 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-06 21:15:37,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:15:37,046 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-06 21:15:37,046 INFO L496 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) [2023-11-06 21:15:37,046 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-06 21:15:37,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 21:15:37,047 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:15:37,047 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:37,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 21:15:37,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 21:15:37,260 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:15:37,260 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:37,261 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-06 21:15:37,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:15:37,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2066724429] [2023-11-06 21:15:37,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:37,265 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 [2023-11-06 21:15:37,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:15:37,266 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 21:15:37,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 21:15:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:40,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 1600 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-06 21:15:40,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:15:41,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:41,229 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:15:41,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:41,713 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 21:15:41,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2066724429] [2023-11-06 21:15:41,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2066724429] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 21:15:41,715 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 21:15:41,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-06 21:15:41,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370820101] [2023-11-06 21:15:41,715 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 21:15:41,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 21:15:41,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 21:15:41,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 21:15:41,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-06 21:15:41,719 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2023-11-06 21:15:43,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:15:43,099 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2023-11-06 21:15:43,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 21:15:43,101 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-06 21:15:43,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:15:43,101 INFO L225 Difference]: With dead ends: 18 [2023-11-06 21:15:43,102 INFO L226 Difference]: Without dead ends: 16 [2023-11-06 21:15:43,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2023-11-06 21:15:43,104 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:15:43,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 17 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-06 21:15:43,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-06 21:15:43,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2023-11-06 21:15:43,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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) [2023-11-06 21:15:43,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-11-06 21:15:43,111 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2023-11-06 21:15:43,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:15:43,112 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-11-06 21:15:43,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2023-11-06 21:15:43,112 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-11-06 21:15:43,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 21:15:43,113 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:15:43,113 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2023-11-06 21:15:43,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 21:15:43,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 21:15:43,335 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:15:43,336 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:43,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 2 times [2023-11-06 21:15:43,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:15:43,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2103944788] [2023-11-06 21:15:43,344 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 21:15:43,344 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 [2023-11-06 21:15:43,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:15:43,346 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 21:15:43,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/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 (4)] Waiting until timeout for monitored process [2023-11-06 21:16:17,769 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 21:16:17,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 21:16:17,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 4528 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-06 21:16:17,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:16:18,558 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:16:18,558 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:16:19,873 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:16:19,873 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 21:16:19,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2103944788] [2023-11-06 21:16:19,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2103944788] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 21:16:19,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 21:16:19,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-11-06 21:16:19,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473050884] [2023-11-06 21:16:19,875 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 21:16:19,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 21:16:19,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 21:16:19,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 21:16:19,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-11-06 21:16:19,877 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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) [2023-11-06 21:16:21,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:16:21,913 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2023-11-06 21:16:21,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 21:16:21,914 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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 14 [2023-11-06 21:16:21,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:16:21,915 INFO L225 Difference]: With dead ends: 21 [2023-11-06 21:16:21,915 INFO L226 Difference]: Without dead ends: 19 [2023-11-06 21:16:21,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2023-11-06 21:16:21,918 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 8 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-06 21:16:21,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 26 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-06 21:16:21,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-11-06 21:16:21,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2023-11-06 21:16:21,926 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) [2023-11-06 21:16:21,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2023-11-06 21:16:21,927 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 14 [2023-11-06 21:16:21,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:16:21,928 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2023-11-06 21:16:21,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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) [2023-11-06 21:16:21,929 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2023-11-06 21:16:21,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-06 21:16:21,930 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:16:21,930 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1] [2023-11-06 21:16:21,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/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 (4)] Forceful destruction successful, exit code 0 [2023-11-06 21:16:22,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 21:16:22,146 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:16:22,146 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:16:22,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1250702327, now seen corresponding path program 3 times [2023-11-06 21:16:22,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:16:22,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [774918978] [2023-11-06 21:16:22,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 21:16:22,157 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 [2023-11-06 21:16:22,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:16:22,159 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 21:16:22,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ec42f2-3cd0-4719-99ab-6825162a4ef7/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-06 21:16:56,665 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-11-06 21:16:56,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 21:16:56,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 5992 conjuncts, 173 conjunts are in the unsatisfiable core [2023-11-06 21:16:56,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:17:08,077 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:17:08,077 INFO L327 TraceCheckSpWp]: Computing backward predicates...